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Intel D945GTPL motherboard

1. Wi G EE H FF L O O i AA A d st ODO EE G l DD cc o WSF BB gz TT J i AA JO L Y Lo E M D X ES A Pg V T S R Q P oO Ww U OM17835 Figure 1 Board Components Table 3 lists the components identified in Figure 1 Table 3 Board Components Shown in Figure 1 Item callout from Figure 1 S S N lt x lt c A o I o v o z S 7 A Cc zo a mo o mol gt n m I o n m ol O Description Audio codec Front panel audio connector Ethernet device PCI Conventional bus add in card connectors 2 PCI Express x16 bus add in card connector Back panel connectors 12V power connector ATX12V Rear chassis fan connector LGA775 processor socket Intel 82945G GMCH Processor fan connector DIMM Channel A sockets 2 DIMM Channel B sockets 2 SCSI LED connector optional Legacy UO controller Power connector Diskette drive connector Parallel ATE IDE connector Battery Front chassis fan connector BIOS Setup configuration jumper block Serial ATA connectors 4 Auxiliary front panel power LED connector Front panel connector Front panel USB connectors 2 Chassis intrusion connector Inte
2. OM17839 Figure 20 Component side Connectors 56 Technical Reference Table 18 lists the component side connectors identified in Figure 20 Table 18 Component side Connectors Shown in Figure 20 Item callout from Figure 20 A I 0O m1 mM o O O x lt c a wm D ol VO Z Z ry aye Description PCI Express x1 bus add in card connector Front panel audio connector PCI Conventional bus add in card connector 2 PCI Conventional bus add in card connector 1 PCI Express x16 bus add in card connector Rear chassis fan connector 12V power connector ATX12V Processor fan connector SCSI LED connector optional Power connector Diskette drive connector Parallel ATA IDE connector Serial ATA connector 3 Front chassis fan connector Serial ATA connector 2 Serial ATA connector 0 Auxiliary front panel power LED connector Front panel connector Serial ATA connector 1 Front panel USB connector Chassis intrusion connector Front panel USB connector Front panel IEEE 1394a connector optional Front panel IEEE 1394a connector optional 57 Intel Desktop Board D945GTP Technical Product Specification Table 19 Front Panel Audio Connector Pin Signal Name i Signal Name 1 Port E Port 1 Left Channel Ground 3 Port E Port 1 Right Channel Presence do
3. LL J7J3 OM17840 Figure 24 Location of the Jumper Block Table 31 BIOS Setup Configuration Jumper Settings Function Mode Jumper Setting Configuration Normal The BIOS uses current configuration information and 1 2 21 passwords for booting Configure After the POST runs Setup runs automatically The 2 3 30001 maintenance menu is displayed Recovery The BIOS attempts to recover the BIOS configuration A None 3 0001 recovery diskette is required 65 Intel Desktop Board D945GTP Technical Product Specification 2 10 Mechanical Considerations 2 10 1 Form Factor The board is designed to fit into an ATX or microATX form factor chassis Figure 25 illustrates the mechanical form factor of the board Dimensions are given in inches millimeters The outer dimensions are 9 60 inches by 9 60 inches 243 84 millimeters by 243 84 millimeters Location of the I O connectors and mounting holes are in compliance with the ATX specification 1 800 45 72 6 500 Fre 165 10 ec Leen 6 100 154 94 5 200 132 08 2 850 72 39 3 100 78 74 L_ 6 450 3 150 0 00 6 200 1163 83 80 01 2 600 1
4. 1 12 1 1 System States and Power States Under ACPI the operating system directs all system and device power state transitions The operating system puts devices in and out of low power states based on user preferences and knowledge of how devices are being used by applications Devices that are not being used can be turned off The operating system uses information from applications and user settings to put the system as a whole into a low power state Table 8 lists the power states supported by the board along with the associated system power targets See the ACPI specification for a complete description of the various system and power states Table 8 Power States and Targeted System Power Processor Targeted System state S1 G1 sleeping Processor C1 stop D1 D2 D3 device 5 W lt power lt 52 5 W state stopped grant specification specific G1 sleeping S3 Suspend to No power D3 no power Power lt 5 W Note 2 state RAM Context except for wake up saved to RAM logic G1 sleeping S4 Suspend to No power D3 no power Power lt 5 W Note 2 state disk Context except for wake up saved to disk logic G2 S5 S5 Soft off No power D3 no power Power lt 5 W Note 2 Context not saved except for wake up Cold boot is logic required G3 No power to the No power D3 no power for No power to the system mechanical off system wake up logic Service can be AC power is except when perfo
5. Table 29 States for a One Color Power LED LED State Description Off Power off sleeping Steady Green Running Table 30 States for a Two Color Power LED LED State Description Off Power off Steady Green Running Sleeping Steady Yellow NOTE The colors listed in Table 29 and Table 30 are suggested colors only Actual LED colors are product or customer specific 2 8 2 4 4 Power Switch Connector Red Pins 6 and 8 Red can be connected to a front panel momentary contact power switch The switch must pull the SW_ON pin to ground for at least 50 ms to signal the power supply to switch on or off The time requirement is due to internal debounce circuitry on the board At least two seconds must pass before the power supply will recognize another on off signal 63 Intel Desktop Board D945GTP Technical Product Specification 2 8 2 5 Front Panel USB Connectors Figure 22 is a connection diagram for the front panel USB connectors SK INTEGRATOR S NOTES The 5 V DC power on the USB connector is fused Pins 1 3 5 and 7 comprise one USB port Pins 2 4 6 and 8 comprise one USB port Use only a front panel USB connector that conforms to the USB 2 0 specification for high speed USB devices wsvoc D O evoco One D 3 4 e One USB USB Port D De Port Ground 7 Ground Key no pin le No Connect OM15963 Figure 22 Connection Diagram for Front Panel USB Connectors 2 8 2 6 Front P
6. card e Dynamic Video Memory Technology DVMT support up to 224 MB e Intel Zoom Utility For information about Refer to DVMT Section 1 5 1 2 page 22 Obtaining graphics software and utilities Section 1 2 page 15 1 5 1 2 Dynamic Video Memory Technology DVMT 22 DVMT enables enhanced graphics and memory performance through Direct AGP and highly efficient memory utilization DVMT ensures the most efficient use of available system memory for maximum 2 D 3 D graphics performance Up to 224 MB of system memory can be allocated to DVMT on systems that have 512 MB or more of total system memory installed Up to 128 MB can be allocated to DVMT on systems that have 256 MB but less than 512 MB of total installed system memory Up to 64 MB can be allocated to DVMT when less than 256 MB of system memory is installed DVMT returns system memory back to the operating system when the additional system memory is no longer required by the graphics subsystem DVMT will always use a minimal fixed portion of system physical memory as set in the BIOS Setup program for compatibility with legacy applications An example of this would be when using VGA graphics under DOS Once loaded the operating system and graphics drivers allocate additional system memory to the graphics buffer as needed for performing graphics functions NOTE The use of DVMT requires operating system driver support Product Description 1 5 1 3 Advanced Digital Display ADD2 ADD2
7. 256 bytes Used by the Desktop Board D945GTP Refer to the ICH7 data sheet for dynamic addressing information Secondary Parallel ATA IDE channel command block Primary Parallel ATA IDE channel command block 8 bytes LPT3 8 bytes LPT2 COM4 8 bytes COM2 Secondary Parallel ATA IDE channel control block Secondary IDE channel status port 8 bytes LPT1 8 bytes COM3 6 bytes Diskette channel Primary Parallel ATA IDE channel control block COM Edge level triggered PIC ECP port LPTn base address 400h PCI Conventional bus configuration address register Reset control register PCI Conventional bus configuration data register Primary Parallel ATA IDE bus master registers Secondary Parallel ATA IDE bus master registers 1 Default but can be changed to another address range 2 Dword access only 3 Byte access only NOTE Some additional I O addresses are not available due to ICH7 address aliasing The ICH7 data sheet provides more information on address aliasing For information about Refer to Obtaining the ICH7 data sheet Section 1 2 page 15 Technical Reference 2 5 PCI Configuration Space Map Table 13 PCI Configuration Space Map Bus Device Function Number hex Number hex Number hex Description 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Notes Ce Memory controller of Intel 82945G component mm PCI Express x16 graphics port Note 1 o2 6000 Integrated graphics controller 1B 00s Intel High De
8. Class B ICES 003 Class B EN55022 1998 Class B EN55024 1998 AS NZS CISPR 22 Class B CISPR 22 3 Edition Class B CISPR 24 1997 VCCI Class B Title Title 47 of the Code of Federal Regulations Parts 2 and 15 Subpart B Radio Frequency Devices USA Interference Causing Equipment Standard Digital Apparatus Canada Limits and methods of measurement of Radio Interference Characteristics of Information Technology Equipment European Union Information Technology Equipment Immunity Characteristics Limits and methods of measurement European Union Australian Communications Authority Standard for Electromagnetic Compatibility Australia and New Zealand Limits and methods of measurement of Radio Disturbance Characteristics of Information Technology Equipment International Information Technology Equipment Immunity Characteristics Limits and Methods of Measurements International Voluntary Control for Interference by Information Technology Equipment Japan 75 Intel Desktop Board D945GTP Technical Product Specification 2 15 2 1 FCC Compliance Statement USA Product Type D945GTP Desktop Board This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment
9. User available Diskette drive LPT1 Note 1 Real time clock User available User available User available Onboard mouse port if present else user available Reserved math coprocessor Primary Parallel ATA Serial ATA Legacy Mode if present else user available Secondary Parallel ATA Serial ATA Legacy Mode if present else user available User available through PIRQA User available through PIRQB User available through PIRQC User available through PIRQD User available through PIRQE User available through PIRQF User available through PIRQG User available through PIRQH 1 Default but can be changed to another IRQ 2 Available in APIC mode only Technical Reference 2 7 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus In most cases the small amount of latency added by interrupt sharing does not affect the operation or throughput of the devices In some special cases where maximum performance is needed from a device a PCI Conventional device should not share an interrupt with other PCI Conventional devices Use the following information to avoid sharing an interrupt with a PCI Conventional add in card PCI Convention
10. When the computer is plugged in the standby current from the power supply extends the life of the battery The clock is accurate to 13 minutes year at 25 C with 3 3 VSB applied NOTE If the battery and AC power fail custom defaults if previously saved will be loaded into CMOS RAM at power on 1 6 PCI Express Connectors The board provides the following PCI Express connectors e One PCI Express x16 connector supporting simultaneous transfer speeds up to 8 GBytes sec e One PCI Express x1 connector The x1 interface supports simultaneous transfer speeds up to 500 MBytes sec The PCI Express interface supports the PCI Conventional bus configuration mechanism so that the underlying PCI Express architecture is compatible with PCI Conventional compliant operating systems Additional features of the PCI Express interface include the following e Support for the PCI Express enhanced configuration mechanism e Automatic discovery link training and initialization e Support for Active State Power Management ASPM e SMBus 2 0 support e Wake signal supporting wake events from ACPI S1 S3 S4 or S5 e Software compatible with the PCI Power Management Event PME mechanism defined in the PCI Power Management Specification Rev 1 1 1 7 IEEE 1394a Connectors Optional 26 The optional IEEE 1394a interface addresses interconnection of both computer peripherals and consumer electronics The IEEE 1394a interface provides a throughput
11. 11 12 13 21 22 23 24 25 26 27 28 50 51 52 53 57 58 59 5A 5B 5C 5D 70 71 72 78 79 7A Host Processor Power on initialization of the host processor Boot Strap Processor Host processor Cache initialization including APs Starting Application processor initialization SMM initialization Chipset Initializing a chipset component Memory Reading SPD from memory DIMMs Detecting presence of memory DIMMs Programming timing parameters in the memory controller and the DIMMs Configuring memory Optimizing memory settings Initializing memory such as ECC init Testing memory PCI Bus Enumerating PCI busses Allocating resources to PCI bus Hot Plug PCI controller initialization Reserved for PCI Bus USB Resetting USB bus Reserved for USB ATA ATAPI SATA Resetting PATA SATA bus and all devices Reserved for ATA SMBus Resetting SMBUS Reserved for SMBUS Local Console Resetting the VGA controller Disabling the VGA controller Enabling the VGA controller Remote Console Resetting the console controller Disabling the console controller Enabling the console controller continued 89 Intel Desktop Board D945GTP Technical Product Specification 90 Table 46 Port 80h POST Codes continued POST Code Description of POST Operation 90 91 92 93 94 95 98 99 9A 9B BO B1 B2 B3 B8 B9 BA BC Dy E0 E2 E1 E3 E4 E5 E6 Keyboard PS2 or USB Resetting keyboard Disabling
12. 71 EN Ee EE 73 aen EE 74 2 15 RUE eege 75 2 15 1 Safety E E le EN 75 215 2 EMG Regulations EE 75 2 15 3 European Union Declaration of Conformity Gtaiement 76 2 15 4 Recycling ge le ET e ia ido 77 2 15 5 Product Certification Markings Board Level 78 Overview of BIOS Features Gute Te E 79 3 2 BIOS Flash Memory Organization ness o 80 3 8 Resource COMIGUT OM station 80 3 3 1 POlA tocOnfig ratio DEE 80 3 3 2 PONDE SUPPOR ona ida iaa 80 3 4 System Management BIOS SMBIOS ENEE 81 3 5 Legacy USB SuUpPOM kerri a E ER E a R 81 3 6 BIOS Update Shine eaa EE el aci 82 3 6 1 Language Support EE 82 3 6 2 Custom Splash EE 82 HE Boot OPIO Sa ti ld oe 83 3 7 1 CD ROM BOR srl id soi 83 3 7 2 Network BOU EE 83 3 7 3 Booting Without Attached Devices cccccceeeeeeeereeeeeeeeeeeeeeeeeseeseeeeeeeaeeeees 83 3 7 4 Changing the Default Boot Device During POST oooniccccinniccccnnnnccccccnonancnnnnnns 83 Contents 3 8 Adjusting Boot E DEE 84 3 8 1 Peripheral Selection and Configuration oooooccccnnnnccccccnnncccccccnnncannccnnnancnnnnnnnos 84 3 8 2 e ET lgl ue 84 3 9 BIOS SOCuUIYy Feat reS eer o 85 4 Error Messages and Beep Codes A Ia 87 4 2 BIOS Beep OO E 87 4 3 BIOS Error Messages EEN 87 4A Port 80M POST Codes cita ias 88 Figures dis Board Components msi 12 So Block Dia Mic a det 14 3 Memory Channel and DIMM Confiouraton 17 4 Dual Channel Interleaved Mode Configuration with Two DIMMS 0ooccccinncccccn
13. Active Management Technology Optional gt NOTE Intel Active Management Technology AMT is available only on boards that use the Intel 82573E Ethernet Controller Intel Active Management Technology AMT offers IT organizations tamper resistant and persistent management capabilities Specifically Intel AMT is a hardware based solution that offers encrypted and persistent asset management and remote diagnostics and or recovery capabilities for networked platforms With Intel AMT IT organizations can easily get accurate platform information and can perform remote updating diagnostics debugging and repair of a system regardless of the state of the operating system and the power state of the system Intel AMT enables IT organizations to discover heal and protect all of their computing assets regardless of system state in the manner described below e Discovering hardware and software computing assets Intel AMT stores hardware and software asset information in non volatile memory and allows IT to read the asset information anytime even if the PC is off Users cannot remove or prevent IT organization access to the information because it does not rely on software agents 33 Intel Desktop Board D945GTP Technical Product Specification Healing systems remotely regardless of the operating system or system state Intel AMT provides out of band diagnostics and recovery capabilities for IT organizations to remotely dia
14. COnm ctors cic cite ccsstceecauasctpens EAR EEN EEE 26 1 7 IEEE 1394a Connectors Optional 26 1 8 A ease ieaa tes tet atetes ned war ah at asl sacl Madea napau cast gnaeenaaens 27 159 Audo SUS Md il aida illa 28 110 LAN SUBS SO Mendieta 31 1 11 Hardware Management Subsystem ANEN 35 1 12 Power Management 38 1 13 Trusted Platform Module Optional nk 44 Intel Desktop Board D945GTP Technical Product Specification 1 1 Overview 1 1 1 Feature Summary Table 1 summarizes the major features of the board Table 1 Form Factor Processor Memory Chipset Video Audio Legacy I O Control USB Peripheral Interfaces LAN Support BIOS Expansion Capabilities Instantly Available PC Technology Hardware Monitor Subsystem Feature Summary microATX 9 60 inches by 9 60 inches 243 84 millimeters by 243 84 millimeters Support for an Intel Pentium 4 processor in an LGA775 socket with a 1066 800 or 533 MHz system bus e Four 240 pin DDR2 SDRAM Dual Inline Memory Module DIMM sockets e Support for DDR2 667 DDR2 533 or DDR2 400 MHz DIMMs e Support for up to 4 GB of system memory Intel 945G Chipset consisting of e Intel 82945G Graphics Memory Controller Hub GMCH e Intel 82801G I O Controller Hub ICH7 Intel GMA950 onboard graphics subsystem Refer to Table 2 on page 11 for a description of audio subsystem options Legacy l O controller for diskette drive serial parallel and PS 2 ports Support fo
15. automatically forces booting from the LAN To use this key during POST the User Access Level in the BIOS Setup program s Security menu must be set to Full 3 7 3 Booting Without Attached Devices For use in embedded applications the BIOS has been designed so that after passing the POST the Operating system loader is invoked even if the following devices are not present e Video adapter e Keyboard e Mouse 3 7 4 Changing the Default Boot Device During POST Pressing the lt F10 gt key during POST causes a boot device menu to be displayed This menu displays the list of available boot devices as set in the BIOS setup program s Boot Device Priority Submenu Table 41 lists the boot device menu options Table 41 Boot Device Menu Options Boot Device Menu Function Keys Description lt P gt or lt gt Selects a default boot device lt Enter gt Exits the menu saves changes and boots from the selected device lt Esc gt Exits the menu without saving changes 83 Intel Desktop Board D945GTP Technical Product Specification 3 8 Adjusting Boot Speed These factors affect system boot speed e Selecting and configuring peripherals properly e Optimized BIOS boot parameters 3 8 1 Peripheral Selection and Configuration The following techniques help improve system boot speed e Choose a hard drive with parameters such as power up to data ready less than eight seconds that minimize hard drive startup delays e Select a C
16. has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment to a different electrical branch circuit from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the user s authority to operate the equipment Tested to comply with FCC standards for home or office use 2 15 2 2 Canadian Compliance Statement This Class B digital apparatus complies with Canadian ICES 003 Cet appereil num rique de la classe B est conforme la norme NMB 003 du Canada
17. information from software based attacks For information about Refer to TPM http www intel com design motherbd tp 2 Technical Reference What This Chapter Contains 2A nee ee WEE 45 2 2 Memory ReSQUICES inin era anaita e Ad 45 23 DMA Charges eessen Ae Ee a a a 47 24o Fixed V O MaDe een na Rd ana 48 2 5 PCI Configuration Space Map 49 Sr A cote eee aks Ade ele Sea s dee A Meee cenleu uaeautens catvagene 50 2 7 PCI Conventional Interrupt Routing Map ANEN 51 28 COMEOCIO Sinarcas est 53 2 9 JUMper leie 65 2 10 Mechanical Considerations cccccooononcncnncncnoncnnnnncnnnnnnnnnnnnncncnnnnnnnnnononarnnnenonanonnnnarnnnnnnnns 66 2 11 Electrical Considerations a a a akini 69 2 12 Thermal CGopnsiderations nana nc na nnna nana nana 71 E E er A camas A te assaban T deacdaxanaowe 73 2 14 NN 74 2 15 Regulatory Compliance sie stat sis 75 2 1 Introduction Sections 2 2 2 6 contain several standalone tables Table 10 describes the system memory map Table 11 lists the DMA channels Table 12 shows the I O map Table 13 defines the PCI Conventional bus configuration space map and Table 14 describes the interrupts The remaining sections in this chapter are introduced by text found with their respective section headings 2 2 Memory Resources 2 2 1 Addressable Memory The board utilizes 4 GB of addressable system memory Typically the address space that is allocated for PCI Conventional bus add in cards PCI Express configuration spac
18. keyboard Detecting presence of keyboard Enabling keyboard Clearing keyboard input buffer Instructing keyboard controller to run Self Test PS2 only Mouse PS2 or USB Resetting mouse Disabling mouse Detecting presence of mouse Enabling mouse Fixed Media Resetting fixed media Disabling fixed media Detecting presence of a fixed media IDE hard drive detection etc Enabling configuring a fixed media Removable media Resetting removable media Disabling removable media Detecting presence of a removable media IDE CD ROM detection etc Enabling configuring a removable media BDS Trying boot selection y y 0 to 15 PEI Core Started dispatching PEIMs emitted on first report of EFI_SW_PC_INIT_BEGIN EFI_SW_PEI_PC_HANDOFF_TO_NEXT Permanent memory found Reserved for PEI PEIMs DXE Core Entered DXE phase Started dispatching drivers Started connecting drivers continued Error Messages and Beep Codes Table 46 Port 80h POST Codes continued POST Code Description of POST Operation E7 E8 E9 EA EB EE EF F4 F5 F8 F9 FA 30 31 34 35 3F DXE Drivers Waiting for user input Checking password Entering BIOS setup TBD Flash Update Calling Legacy Option ROMs TBD Calling INT 19 One beep unless silent boot is enabled TBD Unrecoverable Boot failure S3 resume failure Runtime Phase EFI OS Boot Entering Sleep state Exiting Sleep state EFI boot service ExitBootServices has been called EFI runtime ser
19. other information residing on the board Note the following considerations for the PCI Conventional bus connectors e All of the PCI Conventional bus connectors are bus master capable e SMBus signals are routed to PCI Conventional bus connector 2 This enables PCI Conventional bus add in boards with SMBus support to access sensor data on the boards The specific SMBus signals are as follows The SMBus clock line is connected to pin A40 The SMBus data line is connected to pin A41 gt NOTE The PCI Express x16 connector is configured to support only a PCI Express x1 link when the Intel GMA950 graphics controller is enabled 2 8 2 3 Auxiliary Front Panel Power Sleep LED Connector Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector Table 27 Auxiliary Front Panel Power Sleep LED Connector 1 Out Front panel green LED 2 Notcomected 3 Out Front panel yellow LED 61 Intel Desktop Board D945GTP Technical Product Specification 2 8 2 4 Front Panel Connector This section describes the functions of the front panel connector Table 28 lists the signal names of the front panel connector Figure 21 is a connection diagram for the front panel connector Table 28 Front Panel Connector Pin Signal In Qut Description Hard Drive Activity LED Yellow Hard disk LED pull up 750 Q to 5 V Pin Signal In Out Description Power LED Green Front panel green LE
20. your distributor to obtain the latest specifications before placing your product order Copies of documents which have an ordering number and are referenced in this document or other Intel literature may be obtained from Intel Corporation P O Box 5937 Denver CO 80217 9808 or call in North America 1 800 548 4725 Europe 44 0 1793 431 155 France 44 0 1793 421 777 Germany 44 0 1793 421 333 other Countries 708 296 9333 Intel Pentium and Celeron are registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries Other names and brands may be claimed as the property of others Copyright 2005 Intel Corporation All rights reserved Preface This Technical Product Specification TPS specifies the board layout components connectors power and environmental requirements and the BIOS for the Intel Desktop Board D945GTP It describes the standard product and available manufacturing options Intended Audience The TPS is intended to provide detailed technical information about the Desktop Board D945GTP and its components to the vendors system integrators and other engineers and technicians who need this level of information It is specifically not intended for general audiences What This Document Contains Chapter Description 1 A description of the hardware used on the Desktop Board D945GTP 2 A map of the resources of the Desktop Board 3 The features supported by the BIOS Se
21. 100 DMA protocol on IDE bus allows host and target throttling The ICH7 s ATA 100 logic can achieve read transfer rates up to 100 MB sec and write transfer rates up to 88 MB sec NOTE ATA 66 and ATA 100 are faster timings and require a specialized cable to reduce reflections noise and inductive coupling The Parallel ATA IDE interface also supports ATAPI devices such as CD ROM drives and ATA devices using the transfer modes The BIOS supports Logical Block Addressing LBA and Extended Cylinder Head Sector ECHS translation modes The drive reports the transfer rate and translation mode to the BIOS For information about Refer to The location of the Parallel ATA IDE connector Figure 20 page 56 1 5 3 2 Serial ATA Interfaces 24 The ICH7 s Serial ATA controller offers four independent Serial ATA ports with a theoretical maximum transfer rate of 3 Gbits sec per port One device can be installed on each port for a maximum of four Serial ATA devices A point to point interface is used for host to device connections unlike Parallel ATA IDE which supports a master slave configuration and two devices per channel For compatibility the underlying Serial ATA functionality is transparent to the operating system The Serial ATA controller can operate in both legacy and native modes In legacy mode standard IDE I O and IRQ resources are assigned IRQ 14 and 15 In Native mode standard PCI Conventional bus resource steering is used N
22. 2 15 3 European Union Declaration of Conformity Statement 76 We Intel Corporation declare under our sole responsibility that the product Intel Desktop Board D945GTP is in conformity with all applicable essential requirements necessary for CE marking following the provisions of the European Council Directive 89 336 EEC EMC Directive and Council Directive 73 23 EEC Safety Low Voltage Directive The product is properly CE marked demonstrating this conformity and is for distribution within all member states of the EU with no restrictions L This product follows the provisions of the European Directives 89 336 EEC and 73 23 EEC Dansk Dette produkt er i overensstemmelse med det europ iske direktiv 89 336 EEC amp 73 23 EEC Technical Reference Dutch Dit product is in navolging van de bepalingen van Europees Directief 89 336 EEC amp 73 23 EEC Suomi T m tuote noudattaa EU direktiivin 89 336 EEC 8 73 23 EEC m r yksi Fran ais Ce produit est conforme aux exigences de la Directive Europ enne 89 336 EEC amp 73 23 EEC Deutsch Dieses Produkt entspricht den Bestimmungen der Europ ischen Richtlinie 89 336 EEC amp 73 23 EEC Icelandic Pessi vara stenst regluger Evr pska Efnahags Bandalagsins n mer 89 336 EEC amp 73 23 EEC Italiano Questo prodotto conforme alla Direttiva Europea 89 336 EEC amp 73 23 EEC Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet 89 336 EEC a
23. 57 48 66 04 OM17841 Figure 25 Board Dimensions 66 Technical Reference 2 10 2 UO Shield The back panel I O shield for the board must meet specific dimension and material requirements Systems based on this board need the back panel I O shield to pass certification testing Figure 26 shows the I O shield for boards with the 8 channel 7 1 audio subsystem Figure 27 shows the I O shield for boards with the 6 channel 5 1 audio subsystem Dimensions are given in millimeters inches The figures also indicate the position of each cutout Additional design considerations for VO shields relative to chassis requirements are described in the ATX specification gt NOTE The I O shield drawings in this document are for reference only I O shields compliant with the ATX chassis specification 2 03 are available from Intel _ 162 3 REF a 6 390 ee DU E 0 063 0 005 ai db 2 eg e CA gt fal Q o a a a a D 20 0 254 TYP S 0 787 0 10 1 55 REF 159 2 0 12 a 0 061 6 268 0 005 22 45 0 884 8x R 0 5 MIN 7 01 0 276 91 00 9 o e dl ee QQ Sc hs a VS as OO 11 81 0 465 gt ODO gt gt 0 WS T i ES O A if i ER 12 04 il 0 474 33 ab Ss 28 SE CS SE 38 6 Me e Oa Pe ZS Tio Pictorial View OM17932 Figure 26 I O Shield Dimensions for Boards w
24. 801G ICH7 Figure 29 Localized High Temperature Zones Technical Reference Table 34 provides maximum case temperatures for the components that are sensitive to thermal changes The operating temperature current load or operating frequency could affect case temperatures Maximum case temperatures are important when considering proper airflow to cool the board Table 34 Thermal Considerations for Components Component Maximum Case Temperature Intel Pentium 4 processor For processor case temperature see processor datasheets and processor specification updates Intel 82945G GMCH 99 C under bias Intel 82801G ICH7 110 C under bias without heatsink 99 C under bias with heatsink For information about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1 2 page 15 2 13 Reliability The Mean Time Between Failures MTBF prediction is calculated using component and subassembly random failure rates The calculation is based on the Bellcore Reliability Prediction Procedure TR NWT 000332 Issue 4 September 1991 The MTBF prediction is used to estimate repair rates and spare parts requirements The MTBF data is calculated from predicted data at 55 C The MTBF for the D945GTP board is 108 165 hours 73 Intel Desktop Board D945GTP Technical Product Specification 2 14 Environmental Table 35 lists the environmental specifications for the board Table 35 Environmental Specifications Par
25. AINING APPLICATIONS All Intel desktop boards are evaluated as Information Technology Equipment I T E for use in personal computers PC for installation in homes offices schools computer rooms and similar locations The suitability of this product for other PC or embedded non PC applications or other environments such as medical industrial alarm systems test equipment etc may not be supported without further evaluation by Intel Intel Corporation may have patents or pending patent applications trademarks copyrights or other intellectual property rights that relate to the presented subject matter The furnishing of documents and other materials and information does not provide any license express or implied by estoppel or otherwise to any such patents trademarks copyrights or other intellectual property rights Intel may make changes to specifications and product descriptions at any time without notice Designers must not rely on the absence or characteristics of any features or instructions marked reserved or undefined Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them Intel desktop boards may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characterized errata are available on request Contact your local Intel sales office or
26. Card Support The GMCH routes two multiplexed DVO ports that are each capable of driving up to a 200 MHz pixel clock to the PCI Express x16 connector The DVO ports can be paired for a dual channel configuration to support up to a 400 MHz pixel clock When an ADD2 ADD2 card is detected the Intel GMA950 graphics controller is enabled and the PCI Express x16 connector is configured for DVO mode DVO mode enables the DVO ports to be accessed by the ADD2 ADD2 card An ADD2 ADD 2 card can either be configured to support simultaneous display with the primary VGA display or can be configured to support dual independent display as an extended desktop configuration with different color depths and resolutions ADD2 ADD2 cards can be designed to support the following configurations e TV Out composite video e Transition Minimized Differential Signaling TMDS for DVI 1 0 e Low Voltage Differential Signaling LVDS e Single device operating in dual channel mode e VGA output e HDTV output 1 5 1 4 Configuration Modes A list of supported modes for the Intel GMA950 graphics controller is available as a downloadable document For information about Refer to Supported video modes for the board Section 1 2 page 15 1 5 2 USB The board supports up to eight USB 2 0 ports supports UHCI and EHCI and uses UHCI and EHCI compatible drivers The ICH7 provides the USB controller for all ports The port arrangement is as follows e Four ports are imple
27. Connector ATX12V compliant power supplies can turn off the system power through system control When an ACPI enabled system receives the correct command the power supply removes all non standby voltages When resuming from an AC power failure the computer returns to the power state it was in before power was interrupted on or off The computer s response can be set using the Last Power State feature in the BIOS Setup program s Boot menu For information about Refer to The location of the main power connector Figure 20 page 56 The signal names of the main power connector Table 25 page 60 1 12 2 2 Fan Connectors The function operation of the fan connectors is as follows The fans are on when the board is in the SO or S1 state The fans are off when the board is off or in the S3 S4 or S5 state Each fan connector is wired to a fan tachometer input of the hardware monitoring and fan control ASIC All fan connectors support closed loop fan control that can adjust the fan speed or switch the fan on or off as needed All fan connectors have a 12 V DC connection For information about Refer to The location of the fan connectors Figure 20 page 56 The location of the fan connectors and sensors for thermal monitoring Figure 15 page 37 The signal names of the processor fan connector Table 23 page 59 The signal names of the chassis fan connectors Table 24 page 59 41 Intel Desktop Board D945GTP Technical Product Specificatio
28. D N HDR_BLNK_ Out GRN 3 Hard disk active LED 4 HDR_BLNK_ Out Front panel yellow YEL LED Reset Switch On Off Switch Purple Red 5 Ground Ground 6 FPBUT_IN In Power switch 7 FP_RESET In Reset switch 8 Ground Ground Power Not Connected 9 5 V Power 10 N C Not connected NC 5 VDC Power o Z Reset Switch 5 Switch a Dual colored Single colored E SIE Power LED Power LED 9 2 Hard Drive T Ke aS E gt F ya Activity LED 2 EY OM17000 Figure 21 Connection Diagram for Front Panel Connector 2 8 2 4 1 Hard Drive Activity LED Connector Yellow Pins 1 and 3 Yellow can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive Proper LED function requires one of the following e A Serial ATA hard drive connected to an onboard Serial ATA connector e An IDE hard drive connected to an onboard IDE connector 62 2 8 2 Technical Reference 4 2 Reset Switch Connector Purple Pins 5 and 7 Purple can be connected to a momentary single pole single throw SPST type switch that is normally open When the switch is closed the board resets and runs the POST 2 8 2 4 3 Power Sleep LED Connector Green Pins 2 and 4 Green can be connected to a one or two color LED Table 29 shows the possible states for a one color LED Table 30 shows the possible states for a two color LED
29. D ROM drive with a fast initialization rate This rate can influence POST execution time e Eliminate unnecessary add in adapter features such as logo displays screen repaints or mode changes in POST These features may add time to the boot process e Try different monitors Some monitors initialize and communicate with the BIOS more quickly which enables the system to boot more quickly 3 8 2 BIOS Boot Optimizations 84 Use of the following BIOS Setup program settings reduces the POST execution time In the Boot Menu e Set the hard disk drive as the first boot device As a result the POST does not first seek a diskette drive which saves about one second from the POST execution time e Disable Quiet Boot which eliminates display of the logo splash screen This could save several seconds of painting complex graphic images and changing video modes In the Peripheral Configuration submenu disable the LAN device if it will not be used This can reduce up to four seconds of option ROM boot time NOTE It is possible to optimize the boot process to the point where the system boots so quickly that the Intel logo screen or a custom logo splash screen will not be seen Monitors and hard disk drives with minimum initialization times can also contribute to a boot time that might be so fast that necessary logo screens and POST messages cannot be seen This boot time may be so fast that some drives might be not be initialized at all If t
30. FFFFH Standard PCI ISA Video 1MB Memory SMM Memory 640 KB 128 KB DOS Ge 640 KB Compatibility O9FFFFH Memory DOS area 640 KB X op EA 0 KB OM17140 Figure 17 Detailed System Memory Address Map 46 Technical Reference 2 2 2 Memory Map Table 10 lists the system memory map Table 10 System Memory Map Address Range decimal Address Range hex Size Description 1024 K 4194304 K Extended memory 960 K 1024 K Runtime BIOS 896 K 960 K Reserved 800 K 896 K C8000 DFFFF 96 KB Potential available high DOS memory open to the PCI Conventional bus Dependent on video adapter used 640 K 800 K Video memory and BIOS 639 K 640 K Extended BIOS data movable by memory manager software 512 K 639 K Extended conventional memory OK 512K Conventional memory 2 3 DMA Channels Table 11 DMA Channels DMA Channel Number System Resource Diskette drive Parallel port for ECP or EPP DMA controller Open 16 bits Open NI o a A o N e OH 47 Intel Desktop Board D945GTP Technical Product Specification 2 4 Fixed I O Map 48 Table 12 1 0 Map Address hex 0000 OOFF 0170 0177 01F0 01F7 0228 022F Note 1 0278 027F Note 1 02E8 02EF Note 1 02F8 02FF Note 1 0374 0377 0377 bits 6 0 0378 037F 03E8 OSEF 03FO 03F5 03F4 03F7 03F8 03FF 04D0 04D1 LPTn 400 OCF8 OCFB Note 2 OCF9 Note 3 OCFC OCFF FFAO FFA7 FFA8 FFAF Notes
31. Intel Desktop Board D945GTP Technical Product Specification May 2005 Order Number D14070 001US The Intel Desktop Board D945GTP may contain design defects or errors known as errata that may cause the product to deviate from published specifications Current characterized errata are documented in the Intel Desktop Board D945GTP Specification Update Revision History Revision Revision History Date 001 First release of the Intel Desktop Board D945GTP Technical Product May 2005 Specification This product specification applies to only the standard Intel Desktop Board D945GTP with BIOS identifier NT94510J 86A Changes to this specification will be published in the Intel Desktop Board D945GTP Specification Update before being incorporated into a revision of this document INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL PRODUCTS NO LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT EXCEPT AS PROVIDED IN INTEL S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS INTEL ASSUMES NO LIABILITY WHATSOEVER AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY RELATING TO SALE AND OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT INTEL PRODUCTS ARE NOT INTENDED FOR USE IN MEDICAL LIFE SAVING OR LIFE SUST
32. PLC eg Connector DIMMs 2 2 Optional S IEEE 1394a PCI E ina ee gt Controller a pe a Serial ATA Serial ATA IDE optional optional 5 IDE Interface Connectors 4 PCI Bus Line Out af Mic In gt PCI Slot 1 Line In Retasking Jack PCI Slot 2 SMBus Line Out Retasking Jack i Audio Mic In Retasking Jack _ Codec Hardware Monitoring d ira Retasking Jack optional and Fan Control ASIC a 9 d E urround L Retasking Jack optional connector or socket S PDIF optional gt Figure 2 Block Diagram 14 OM17836 Product Description 1 2 Online Support To find information about Visit this World Wide Web site Intel Desktop Board D945GTP under http www intel com design motherbd Desktop Board Products or Desktop Board Support http support intel com support motherboards desktop Available configurations for the Desktop http developer intel com design motherbd tp tp_available htm Board D945GTP Processor data sheets http www intel com design litcentr ICH7 addressing http developer intel com products chipsets Custom splash screens http intel com design motherbd gen_indx htm Audio software and utilities http www intel com design motherbd LAN software and drivers http www intel com design motherbd Intel Active Management Technology http www intel com technology manage iamt index htm 1 3 Processor The board is designed to support I
33. al 33 1 10 5 Alert Standard Format ASF Support Optional 35 Hardware Management Subsystem ecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaeeeeeseaaeeeeeeeaeeeeneaas 35 1 11 1 Hardware Monitoring and Fan Control Al 36 1 11 2 Chassis Intrusion and Detection cien 36 Eat E E Ge Nee re ee DEE 36 111 4 Thermal MORONA iS 37 Power E E EE 38 da AP a tota 38 112 2 Hardware SUPDO Ei ee ato E 40 Trusted Platform Module Optional un 44 Intel Desktop Board D945GTP Technical Product Specification 2 Technical Reference vi 21 EEN EE 45 2 2 A A nent 45 2 2 1 Addressable Memory sat sscecteyastosustastacassateetetia danced ordre dal eatotociote Detenidas 45 2 2 2 lee AE EE 47 23 DMA Channel Sacate 47 24 A cea sdiatea ei lathnts evaclaazendlcn pans EE SEENEN 48 2 5 PCI Configuration Space Mapu saedde nats acdacenauenteelawenotageeiennens 49 PGs IESSEN ee 50 2 7 PCI Conventional Interrupt Routing Map 51 28 e 53 2 8 1 Back ER e 53 2 8 2 Compeonent Side ee 56 29 Jumper E 65 2 10 Mechanical Considerations iii cha sasheweeryedakepes eedeawnasinieneaaeentidee iaebeeeeieomtess 66 2 10 1 Form ee 66 210 2 A O raia ans n 67 2 11 Electrical EE en EE 69 211 HEC OIG nd a aa So NE 69 2 11 2 Add in Board ConsideratiONS ooccononcccnnnnoncccnncnnononnnnnncnonnnnannnnnnnnnnnenannnn ne 69 2 11 3 Fan Connector Current Capability AEN 70 2 11 4 Power Supply Considerations si nhs RAS eae Salas ce ae 70 2 12 Thermal Considerations vinci aca Rie
34. al devices are categorized as follows to specify their interrupt grouping e INTA By default all add in cards that require only one interrupt are in this category For almost all cards that require more than one interrupt the first interrupt on the card is also classified as INTA e INTB Generally the second interrupt on add in cards that require two or more interrupts is classified as INTB This is not an absolute requirement e INTC and INTD Generally a third interrupt on add in cards is classified as INTC and a fourth interrupt is classified as INTD The ICH7 has eight Programmable Interrupt Request PIRQ input signals All PCI Conventional interrupt sources either onboard or from a PCI Conventional add in card connect to one of these PIRQ signals Some PCI Conventional interrupt sources are electrically tied together on the board and therefore share the same interrupt Table 15 shows an example of how the PIRQ signals are routed Table 15 PCI Interrupt Routing Map ICH7 PIRQ Signal Name PCI Interrupt Source PIRQA PIRQB PIRGC PIRQD PIRQE PIRGF PIRQG PIRGH IEEE 1394a controller INTA optional PCI bus connector 1 INTO INTA INTB INTC 51 Intel Desktop Board D945GTP Technical Product Specification gt NOTE 52 In PIC mode the ICH7 can connect each PIRO line internally to one of the IRQ signals 3 4 5 6 7 9 10 11 12 14 and 15 Typically a device that does not share a PIRO line will ha
35. ameter Temperature Non Operating Operating Shock Unpackaged Packaged Vibration Unpackaged Packaged 74 Specification 40 C to 70 C 0 C to 55 C 50 g trapezoidal waveform Velocity change of 170 inches second Half sine 2 millisecond Velocity Change inches sec 5 Hz to 20 Hz 0 01 g Hz sloping up to 0 02 g Hz 20 Hz to 500 Hz 0 02 g Hz flat 5 Hz to 40 Hz 0 015 g Hz flat 40 Hz to 500 Hz 0 015 g Hz sloping down to 0 00015 g Hz Technical Reference 2 15 Regulatory Compliance This section describes the Desktop Boards compliance with U S and international safety and electromagnetic compatibility EMC regulations 2 15 1 Safety Regulations Table 36 lists the safety regulations that the Desktop Board D945GTP complies with when correctly installed in a compatible host system Table 36 Safety Regulations Regulation UL 60950 1 2003 CSA C22 2 No 60950 1 03 EN 60950 1 2002 IEC 60950 1 2001 First Edition 2 15 2 EMC Regulations Title Information Technology Equipment Safety Part 1 General Requirements USA and Canada Information Technology Equipment Safety Part 1 General Requirements European Union Information Technology Equipment Safety Part 1 General Requirements International Table 37 lists the EMC regulations the Desktop Board D945GTP complies with when correctly installed in a compatible host system Table 37 EMC Regulations Regulation FCC
36. amount of standby current required depends on the wake devices supported and manufacturing options System integrators should refer to the power usage values listed in Table 32 when selecting a power supply for use with the board Additional power required will depend on configurations chosen by the integrator The power supply must comply with the following recommendations found in the indicated sections of the ATX form factor specification e The potential relation between 3 3 VDC and 5 VDC power rails Section 4 2 e The current capability of the 5 VSB line Section 4 2 1 2 e All timing parameters Section 4 2 1 3 e All voltage tolerances Section 4 2 2 Technical Reference 2 12 Thermal Considerations A CAUTION A chassis with a maximum internal ambient temperature of 38 C at the processor fan inlet is a requirement Use a processor heatsink that provides omni directional airflow similar to the type shown in Figure 28 to maintain required airflow across the processor voltage regulator area il OM16996 Figure 28 Processor Heatsink for Omni directional Airflow A CAUTION Failure to ensure appropriate airflow may result in reduced performance of both the processor and or voltage regulator or in some instances damage to the board For a list of chassis that have been tested with Intel desktop boards please refer to the following website http developer intel com design motherbd cooling htm All responsi
37. and 82562GZ PCI Conventional bus power management Supports ACPI technology Supports LAN wake capabilities 1 10 1 LAN Subsystem Software LAN software and drivers are available from Intel s World Wide Web site For information about Refer to Obtaining LAN software and drivers Section 1 2 page 15 1 10 2 10 100 Mbits sec LAN Subsystem The 10 100 Mbits sec LAN subsystem consists of the following 1 10 2 1 Intel 82801G ICH7 Intel 82562GX 82562GZ PLC RJ 45 LAN connector with integrated status LEDs Intel 82562GX 82562GZ Physical Layer Interface Device The Intel 82562GX provides the following functions 10 100 Ethernet LAN connectivity Full device driver compatibility Programmable transit threshold Configuration EEPROM that contains the MAC address The Intel 82562GZ additionally provides Alert Standard Format ASF 1 03 support 31 Intel Desktop Board D945GTP Technical Product Specification 1 10 2 2 RJ 45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ 45 LAN connector shown in Figure 13 Green LED Yellow LED OM15076 Figure 13 LAN Connector LED Locations Table 5 describes the LED states when the board is powered up and the 10 100 Mbits sec LAN subsystem is operating Table 5 LAN Connector LED States LED Color Condition Green LAN link is not established Dn LAN linkis established LAN activity is occurring Yellow 10 Mbits sec data rate is selected ES 100 M
38. anel IEEE 1394a Connectors Optional Figure 23 is a connection diagram for the optional IEEE 1394a connectors Ground Key no pin H2VDC 7 12v De ue Je mn Ground 8 Ground m O M OM17834 Figure 23 Connection Diagram for IEEE 1394a Connectors S INTEGRATOR S NOTES e The IEEE 1394a connectors are colored blue e The 12 V DC power on the IEEE 1394a connectors is fused e Each IEEE 1394a connector provides one IEEE 1394a port 64 Technical Reference 2 9 Jumper Block A CAUTION Do not move the jumper with the power on Always turn off the power and unplug the power cord from the computer before changing a jumper setting Otherwise the board could be damaged Figure 24 shows the location of the jumper block The jumper block determines the BIOS Setup program s mode Table 31 describes the jumper settings for the three modes normal configure and recovery When the jumper is set to configure mode and the computer is powered up the BIOS compares the processor version and the microcode version in the BIOS and reports if the two match O
39. anel audio connectors are configurable through the audio device drivers The available configurable audio ports are shown in Figure 11 Front Panel Back Panel Audio Connectors Audio Connectors Line Out Mic In Line In Retasking Jack Line Out Retasking Jack Mic In Retasking Jack OM17560 Figure 11 Front Back Panel Audio Connector Options for 6 Channel 5 1 Audio Subsystem Figure 12 is a block diagram of the 6 channel 5 1 audio subsystem e Line Out gt Front A i Panel cala ne Sigmatel ee E Hub High Definition 9220 Line In Retasking Jack gt ICH7 Audio Link Audio Codec 4 Une Out Retasking Jack pr Pack Mic In Retasking Jack __ OM17818 Figure 12 6 Channel 5 1 Audio Subsystem Block Diagram For information about Refer to The back panel audio connectors Section 2 8 1 page 53 30 Product Description 1 10 LAN Subsystem The LAN subsystem consists of the following Physical layer interface device As a manufacturing option the board includes one of the following LAN devices Intel 82562GX 82562GZ PLC for 10 100 Mbits sec Ethernet LAN connectivity Intel 82573E 82573V 82574V for Gigabit 10 100 1000 Mbits sec Ethernet LAN connectivity RJ 45 LAN connector with integrated status LEDs Additional features of the LAN subsystem include CSMA CD protocol engine LAN connect interface that supports the 82562GX
40. ative mode is the preferred mode for configurations using the Windows XP and Windows 2000 operating systems Product Description gt NOTE Many Serial ATA drives use new low voltage power connectors and require adaptors or power supplies equipped with low voltage power connectors For more information see http www serialata org For information about Refer to The location of the Serial ATA IDE connectors Figure 20 page 56 1 5 3 3 Serial ATA RAID Optional The optional ICH7 R supports the following RAID Redundant Array of Independent Drives levels RAID 0 data striping Multiple physical drives can be teamed together to create one logical drive As data is written or retrieved from the logical drive both drives operate in parallel thus increasing the throughput The ICH7 R allows for more than two drives to be used in a RAID 0 configuration RAID 1 data mirroring Multiple physical drives maintain duplicate sets of all data on separate disk drives Level 1 provides the highest data reliability because two complete copies of all information are maintained The ICH7 R allows for two or four drives to be used in a RAID 1 configuration RADD 0 1 or RAID 10 data striping and mirroring RAID 0 1 combines multiple mirrored drives RAID 1 with data striping RAID 0 into a single array This provides the highest performance with data protection Data is striped across all mirrored sets RAID 0 1 utilizes several drive
41. bility for determining the adequacy of any thermal or system design remains solely with the reader Intel makes no warranties or representations that merely following the instructions presented in this document will result in a system with adequate thermal performance A CAUTION Ensure that the ambient temperature does not exceed the board s maximum operating temperature Failure to do so could cause components to exceed their maximum case temperature and malfunction For information about the maximum operating temperature see the environmental specifications in Section 2 14 71 Intel Desktop Board D945GTP Technical Product Specification A CAUTION 72 Ensure that proper airflow is maintained in the processor voltage regulator circuit Failure to do so may result in damage to the voltage regulator circuit The processor voltage regulator area item A in Figure 29 can reach a temperature of up to 85 C in an open chassis Figure 29 shows the locations of the localized high temperature zones ei D C OM17842 Item Description A Processor voltage regulator area B Processor C Intel 82945G GMCH D Intel 82
42. bit 1 048 576 bits Megabits per second An address or data value ending with a lowercase h indicates a hexadecimal value Volts Voltages are DC unless otherwise specified This symbol is used to indicate third party brands and names that are the property of their respective owners Contents 1 Product Description 1 1 mb bh hb An wech bh sch o JO Eet eet Ee 10 1 1 1 Feature HEEN eege 10 1 1 2 Manufacturing Options EE 11 1 1 3 B ard LAYOUT rri EE 12 1 1 4 Blok Diagr M ranean a e See A EE aS 14 le EE 15 o EE 15 System Mei ia 16 1 4 1 Memory Configurations dsd tela aa aii aida 17 MA add 21 1 5 1 Intel 945G Graphics Gubevestem kk 21 1 5 2 UD e a a rana 23 1 5 3 IDE SUPpon cts ados 24 1 5 4 Real Time Clock CMOS SRAM and DBatten 26 PCI Express COMBCIONS siii 26 EEE 1394a Connectors Optional o otoctcnaaa ee 26 Legacy Heen e EE EE 27 1 8 1 A A EN 27 1 8 2 Parla coc cue 27 1 8 3 Diskette Drive Controller cocos arica dpi 27 1 8 4 Keyboard and Mouse Interface eesceccccceeeeeeeeeseeeeeeeeeeeeeeeeeseeeeeeneeeeees 27 Audi SUBS Sua sata il ld 28 1 9 1 Audio Subsystem Software ceci 28 1 9 2 Audi Connectors canr a iii 28 1 9 3 8 Channel 7 1 Audio Gubevstem ANEN 28 1 9 4 6 Channel 5 1 Audio Gubevstem 30 LAN S pSYSTEM EE 31 1 10 1 a BCEE Ee EE 31 1 10 2 10 100 Mbits sec LAN SUDSYSIGM co cc ias 31 1 10 3 Gigabit LAN SUBS ySte Tetis ab iS 32 1 10 4 Intel Active Management Technology Option
43. bits sec data rate is selected 1 10 3 Gigabit LAN Subsystem The Gigabit 10 100 1000 Mbits sec LAN subsystem includes the Intel 82573 82574 controller and an RJ 45 LAN connector with integrated status LEDs 1 10 3 1 Intel 82573E 82573V 82574V Gigabit Ethernet Controller The Intel 82573E 82573V 82574V Gigabit Ethernet Controller supports the following features e PCI Express link e 10 100 1000 IEEE 802 3 compliant e Compliant to IEEE 802 3x flow control support e Jumbo frame support e TCP IP UDP checksum offload e Transmit TCP segmentation e Advanced packet filtering e Full device driver compatibility e PCI Express Power Management Support The 82573E Gigabit Ethernet Controller also supports the following e Intel Active Management Technology e Alert Standard Format ASF 2 0 32 Product Description 1 10 3 2 RJ 45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ 45 LAN connector as shown in Figure 14 Table 6 describes the LED states when the board is powered up and the Gigabit LAN subsystem is operating Green LED Green Yellow LED OM16513 Figure 14 LAN Connector LED Locations Table 6 LAN Connector LED States LED LED State Condition LAN link is not established Left Green LAN link is established Blinking LAN activity is occurring 10 Mbits sec data rate is selected Right 100 Mbits sec data rate is selected 1000 Mbits sec data rate is selected 1 10 4 Intel
44. cation 1 12 2 10 5 V Standby Power Indicator LED A The 5 V standby power indicator LED shows that power is still present even when the computer appears to be off Figure 16 shows the location of the standby power indicator LED CAUTION If AC power has been switched off and the standby power indicator is still lit disconnect the power cord before installing or removing any devices connected to the board Failure to do so could damage the board and any attached devices OM17838 Figure 16 Location of the Standby Power Indicator LED 1 13 Trusted Platform Module Optional 44 The optional Trusted Platform Module TPM is a component on the desktop board that is specifically designed to enhance platform security above and beyond the capabilities of today s software by providing a protected space for key operations and other security critical tasks Using both hardware and software the TPM protects encryption and signature keys at their most vulnerable stages operations when the keys are being used unencrypted in plain text form The TPM is specifically designed to shield unencrypted keys and platform authentication
45. cnncccccos 18 5 Dual Channel Interleaved Mode Configuration with Three DiMMs 18 6 Dual Channel Interleaved Mode Configuration with Four DIMMs 19 7 Single Channel Asymmetric Mode Configuration with One DIMM 20 8 Single Channel Asymmetric Mode Configuration with Three DIMMS ccccn 20 9 Front Back Panel Audio Connector Options for 8 Channel 7 1 Audio Subsystem 29 10 8 channel 7 1 Audio Subsystem Block Diagoram 29 11 Front Back Panel Audio Connector Options for 6 Channel 5 1 Audio Subsystem 30 12 6 Channel 5 1 Audio Subsystem Block Diagram ssssssseresssernreersrresrreressrrrnrerrrn 30 13 CAN Connector LEDO ON Sudestada 32 14 LAN Connector RAR Le 33 15 Thermal Sensors and Fan Connectors cie 37 16 Location of the Standby Power Indicator LED oooonnnccccnnnnnccccnnonoccnccnnancccncnnanccnnnnnnncnn 44 17 Detailed System Memory Address Map 46 18 Back Panel Connectors for 8 Channel 7 1 Audio Subsystem oooonoccccnnnnccccccnonncccnnn 54 19 Back Panel Connectors for 6 Channel 5 1 Audio Subsystem oooonoccccnnnnccccccnonnccccnn 55 20 Component side COMMCCIOMS ax 2 serena eek ta edad 56 21 Connection Diagram for Front Panel Connector ooococccncoccccnonccacccnnnancncnnnnnancnnnnnnnnccnnnnns 62 22 Connection Diagram for Front Panel USB Connectors oococccncoccccnononcccnnnanncccnnnnnnancnnnnns 64 23 Connection Diagram for IEEE 1394a Connechors 64 24 Loca
46. ction agents Nonvolatile storage for agents Tamper resistant Remote hardware and software asset tracking that eliminates time consuming manual inventory tracking which also reduces asset accounting costs E Asset Tag HW SW inventory For information about Refer to Intel Active Management Technology Section 1 2 page 15 Product Description 1 10 5 Alert Standard Format ASF Support Optional gt NOTE Alter Standard Format ASF support is available only on boards that use the Intel 82573E Ethernet Controller or the Intel 82562GZ PLC device The board provides the following ASF support for PCI Express x1 bus add in LAN cards and PCI Conventional bus add in LAN cards installed in PCI Conventional bus slot 2 e Monitoring of system firmware progress events including BIOS present Primary processor initialization Memory initialization Video initialization PCI resource configuration Hard disk initialization User authentication Starting operating system boot process e Monitoring of system firmware error events including Memory missing Memory failure No video device Keyboard failure Hard disk failure No boot media e Boot options to boot from different types of boot devices e Reset shutdown power cycle and power up options e LAN Subsystem Software 1 11 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Management WfM s
47. e BIOS SPI Flash and chipset overhead resides above the top of DRAM total system memory On a system that has 4 GB of system memory installed it is not possible to use all of the installed memory due to system address space being allocated for other system critical functions These functions include the following BIOS SPI Flash 2 MB Local APIC 19 MB Digital Media Interface 40 MB Front side bus interrupts 17 MB PCI Express configuration space 256 MB 45 Intel Desktop Board D945GTP Technical Product Specification e MCH base address registers internal graphics ranges PCI Express ports up to 512 MB e Memory mapped I O that is dynamically allocated for PCI Conventional and PCI Express add in cards The amount of installed memory that can be used will vary based on add in cards and BIOS settings Figure 17 shows a schematic of the system memory map All installed system memory can be used when there is no overlap of system addresses 4 GB Top of System Address Space FLASH APIC 20 MB Reserved PCI Memory Range contains PCI chipsets Direct Media Interface lt OFFFFFH 1 MB DMI and ICH ranges Upper BIOS approximately 750 MB OF0000H area 64 KB 960 KB D OEFFFFH Lower BIOS reem Top of usable area DRAM memory 64 KB y 0E0000H 16KBx4 896 KB system ODFFFFH Add in Card BIOS and Buffer area 128 KB 16 KB x 8 DRAM 0C0000H 768 KB Range OB
48. e information about the POST codes generated by the BIOS e Table 45 lists the Port 80h POST code ranges e Table 46 lists the Port 80h POST codes themselves e Table 47 lists the Port 80h POST sequence NOTE In the tables listed above all POST codes and range values are listed in hexadecimal Table 45 Port 80h POST Code Ranges Range Category Subsystem 00 OF Debug codes Can be used by any PEIM driver for debug 10 1F Host Processors 1F is an unrecoverable CPU error 20 2F Memory Chipset 2F is no memory detected or no useful memory detected 30 3F Recovery 3F indicated recovery failure 40 AF Reserved for future use 50 5F I O Busses PCI USB ISA ATA etc 5F is an unrecoverable error Start with PCI 60 6F Reserved for future use for new busses 70 7F Output Devices All output consoles 7F is an unrecoverable error 80 8F Reserved for future use new output console codes 90 9F Input devices Keyboard Mouse 9F is an unrecoverable error AO AF Reserved for future use new input console codes BO BF Boot Devices Includes fixed media and removable media BF is an unrecoverable error CO CF Reserved for future use DO DF Boot device selection E0 FF FO FF FF processor exception E0 EE Miscellaneous codes See Table 46 EF boot S3 resume failure Error Messages and Beep Codes Table 46 Port 80h POST Codes POST Code Description of POST Operation 10
49. ectly to the processor voltage regulator and must always be used Failure to do so will prevent the board from booting SK INTEGRATOR S NOTE When using high wattage PCI Express x16 graphics cards use a power supply with a 2 x 12 main power cable The 2 x 12 main power cable can provide up to 144 W of power from the 12 V rail Table 25 Main Power Connector Pin Signal Name Pin Signal Name 1 3 3 V 13 3 3 V 2 3 3 V 14 12 V 3 Ground 15 Ground 4 5 V 16 PS ON power supply remote on off 5 Ground 17 Ground 6 5 V 18 Ground 7 Ground 19 Ground 8 PWRGD Power Good 20 No connect 9 5 V Standby 21 5 V 10 12 V 22 5 V 11 12 V Note 23 5 V Note 12 2 x 12 connector detect Note 24 Ground Note Note When using a 2 x 10 power supply cable this pin will be unconnected Table 26 ATX12V Power Connector Pin Signal Name Signal Name 60 Technical Reference 2 8 2 2 Add in Card Connectors The board has the following add in card connectors e PCI Express x16 one connector supporting simultaneous transfer speeds up to 8 GBytes sec e PCI Express x1 one PCI Express x1 connector The x1 interface supports simultaneous transfer speeds up to 500 MBytes sec e PCI Conventional rev 2 3 compliant bus two PCI Conventional bus add in card connectors The SMBus is routed to PCI Conventional bus connector 2 only ATX expansion slot 6 PCI Conventional bus add in cards with SMBus support can access sensor data and
50. finition Audio Controller 10 fo PCI Express port 1 RE PCI Express port 2 PCI Express port 3 USB UHCI controller 1 KE Ce USB UHCI controller 2 o 02 USB UHCI controller 3 bp Im USB UHCI controller 4 mo for EHCI controller E C O aes PCI controller E Im Parallel ATA IDE controller sdf Serial ATA controller mr Im SMBus controller CI Gigabit LAN controller if present joo 8 00 PCI Conventional bus connector 1 ar po PCI Conventional bus connector 2 o5 fos es IEEE 1394a controller if present os fo es Intel 82562 10 100 Mbits sec LAN PLC if present 00 poo es PCI Express video controller if present 1 Present only when a PCI Express x16 graphics card is installed 2 Bus number is dynamic and can change based on add in cards used 49 Intel Desktop Board D945GTP Technical Product Specification 2 6 Interrupts 50 The interrupts can be routed through either the Programmable Interrupt Controller PIC or the Advanced Programmable Interrupt Controller APIC portion of the ICH7 component The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts The APIC is supported in Windows 2000 and Windows XP and supports a total of 24 interrupts Table 14 IRQ NMI CO N ol oF ki oi N O Notes Interrupts System Resource I O channel check Reserved interval timer Reserved keyboard buffer full Reserved cascade interrupt from slave PIC User available COM1 Note 1
51. gnized device type e Stereo input and output for all back panel jacks e Line out and Mic in functions for front panel audio jacks e A signal to noise S N ratio of 95 dB 1 9 1 Audio Subsystem Software Audio software and drivers are available from Intel s World Wide Web site For information about Refer to Obtaining audio software and drivers Section 1 2 page 15 1 9 2 Audio Connectors The board contains audio connectors on both the back panel and the component side of the board The front panel audio connector provides mic in and line out signals for the front panel The functions of the back panel audio connectors are dependent on which subsystem is present The 8 channel 7 1 audio subsystem is described in Section 1 9 3 the 6 channel 5 1 audio subsystem is described in Section 1 9 4 For information about Refer to The location of the front panel audio connector Figure 20 page 56 The signal names of the front panel audio connector Table 19 page 58 The back panel audio connectors Section 2 8 1 page 53 1 9 3 8 Channel 7 1 Audio Subsystem 28 The 8 channel 7 1 audio subsystem includes the following e Intel 82801G I O Controller Hub ICH7 e Sigmatel 9223 audio codec e Microphone input that supports a single dynamic condenser or electret microphone The back panel audio connectors are configurable through the audio device drivers The available configurable audio ports are shown in Figure 9 Product Descript
52. gnose and repair PCs after software operating system or hardware failures Alerting and event logging help IT organizations detect and diagnose problems quickly to reduce end user downtime Protecting the enterprise against malicious software attacks Intel AMT helps IT organizations keep software versions and virus protection consistent and up to date across the enterprise Version information is stored in non volatile memory for access anytime by third party software to check and if necessary wake a system to perform off hours updates The key features of Intel AMT include 34 Secure Out of Band OOB system management that allows remote management of PCs regardless of system power or operating system state SSL3 1 TLS encryption HTTP authentication TCP IP HTTP web GUI XML SOAP API Remote troubleshooting and recovery that can significantly reduce desk side visits and potentially increasing efficiency of IT technical staff System event log IDE Redirection or PXE boot Network drive or remote CD boot Serial over LAN OOB diagnostics Remote control Remote BIOS update Proactive alerting that decreases downtime and minimizes time to repair Programmable policies Operating system lock up alert Boot failure alert Hardware failure alerts Third party non volatile storage that prevents users from removing critical inventory remote control or virus prote
53. he back panel connectors for boards equipped with the 6 channel 5 1 audio subsystem The back panel connectors are color coded The figure legend Table 17 lists the colors used when applicable Figure 19 Back Panel Connectors for 6 Channel 5 1 Audio Subsystem Table 17 lists the back panel connectors identified in Figure 19 NOTE The back panel audio line out connector is designed to power headphones or amplified speakers only Poor audio quality occurs if passive non amplified speakers are connected to this output Table 17 Back Panel Connectors Shown in Figure 19 ltem callout from Figure 19 Description A PS 2 mouse port Green PS 2 keyboard port Purple Serial port A Teal Parallel port Burgundy VGA port USB ports two LAN USB ports two Audio line in Retasking Jack Blue Mic in Retasking Jack Pink Front left right channel audio out Two channel audio line out Retasking Jack Lime green A e T O m1 m o O w 55 Intel Desktop Board D945GTP Technical Product Specification 2 8 2 Component side Connectors Figure 20 shows the locations of the component side connectors
54. his condition should occur it is possible to introduce a programmable delay ranging from three to 30 seconds using the Hard Disk Pre Delay feature of the Advanced Menu in the Drive Configuration Submenu of the BIOS Setup program Overview of BIOS Features 3 9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer with the following restrictions e The supervisor password gives unrestricted access to view and change all the Setup options in the BIOS Setup program This is the supervisor mode e The user password gives restricted access to view and change Setup options in the BIOS Setup program This is the user mode e If only the supervisor password is set pressing the lt Enter gt key at the password prompt of the BIOS Setup program allows the user restricted access to Setup e If both the supervisor and user passwords are set users can enter either the supervisor password or the user password to access Setup Users have access to Setup respective to which password is entered e Setting the user password restricts who can boot the computer The password prompt will be displayed before the computer is booted If only the supervisor password is set the computer boots without asking for a password If both passwords are set the user can enter either
55. ion Front Panel Audio Connectors Line Out Mic In Surround Left and Right Retasking Jack Black Side Surround Left and Right Center channel and LFE Subwoofer __ Line In Retasking Jack Retasking Jack Orange Blue S PDIF Digital Audio Out Optical Mic In Retasking Jack Pink Line Out Retasking Jack Lime Green OM17816 Figure 9 Front Back Panel Audio Connector Options for 8 Channel 7 1 Audio Subsystem Figure 10 is a block diagram of the 8 channel 7 1 audio subsystem lt Line Out 1 Front Mic In gt Panel 82801G Line In Side Surround L R Retasking Jack gt UO Controller Jm Sigmatel La Line Out Retasking Jack p gt Hub a High Definition p 9223 CH Audio Link Audio Codec Mic In Retasking Jack L Back Center and LFE Retasking Jack Panel Surround Left Right Retasking Jack gt S PDIF gt OM17817 Figure 10 8 channel 7 1 Audio Subsystem Block Diagram For information about Refer to The back panel audio connectors Section 2 8 1 page 53 29 Intel Desktop Board D945GTP Technical Product Specification 1 9 4 6 Channel 5 1 Audio Subsystem The 6 channel 5 1 audio subsystem includes the following e Intel 82801G I O Controller Hub ICH7 e Sigmatel 9220 audio codec e Microphone input that supports a single dynamic condenser or electret microphone The back p
56. ith the 8 Channel 7 1 Audio Subsystem 67 Intel Desktop Board D945GTP Technical Product Specification Hg 8x R 0 5 MIN 11 81 0 465 14 17 162 3 REF 6 390 pe Se G Q rel a fel 200 254 TYP 0 787 0 10 1 55 REF 159 2 0 12 0 061 6 268 0 005 22 45 0 884 7 01 0 276 1 00 0 039 A 0 00 0 00 11 81 0 465 12 04 0 474 0 00 0 00 8 81 20 28 SS GES GE e Re 2 oS ON S Ng PN 146 88 5 783 0 558 OM17933 Figure 27 1 O Shield Dimensions for Boards with the 6 Channel 5 1 Audio Subsystem 68 Technical Reference 2 11 Electrical Considerations 2 11 1 DC Loading Table 32 lists the DC loading characteristics of the boards This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems The analysis does not include PCI add in cards Minimum values assume a light load placed on the board that is similar to an environment with no applications running and no USB current draw Maximum values assume a load placed on the board that is similar to a heavy gaming environment with a 500 mA current draw per USB port These calculations are not based on specific processor values or memory configurations but are based on the minimum and maximum current draw possible from the board s power delivery sub
57. l 82801G I O Controller Hub ICH7 SPI flash device IEEE 1394a controller optional Front panel IEEE 1394a connectors optional 2 Speaker PCI Express x1 bus add in card connector Product Description Intel Desktop Board D945GTP Technical Product Specification 1 1 4 Block Diagram Figure 2 is a block diagram of the major functional areas Gigabit Ethernet LAN PCI Express x1 Interface gt E Controller Optional WS Connector PCI Express x1 Slot 1 USB Back Panel Front Panel USB Ports Parallel ATA Parallel ATA 1 0 t Serial Pott gt Legacy a Paralel Port IDE Connector IDE Interface Controller t PS 2 Mouse PS 2 Keyboard _ LGA775 4 System Bus Ke Diskette Drive Processor Socket 1066 800 533 MHz S Connector us Intel 945G Chipset PCI Express E 3 y v y y x16 Interface E A e SC S Intel 82801G Serial Peripheral PCIE rapnics an DP UO Controller Hub gt Interface SPI Xpress Memory Controller ICH7 Flash Device x16 Hub GMCH Connector E A A AA A 1 A ah lt t Display Interface si TPMC t D o L LPC omponen Dual Channel S 8 Bus Optional Channel A Memory Bus S 2 DIMMs 2 lt 4 SMBus x 37 a 10 100 LAN Channel B 3 LAN
58. l Desktop Board D945GTP Technical Product Specification 2 8 1 1 Back Panel Connectors For 8 Channel 7 1 Audio Subsystem 54 Figure 18 shows the location of the back panel connectors for boards equipped with the 8 channel 7 1 audio subsystem The back panel connectors are color coded The figure legend Table 16 lists the colors used when applicable Figure 18 Back Panel Connectors for 8 Channel 7 1 Audio Subsystem Table 16 lists the back panel connectors identified in Figure 18 NOTE The back panel audio line out connector is designed to power headphones or amplified speakers only Poor audio quality occurs if passive non amplified speakers are connected to this output Table 16 Back Panel Connectors Shown in Figure 18 Item callout from Figure 18 Description A PS 2 mouse port Green PS 2 keyboard port Purple Serial port A Teal Parallel port Burgundy VGA port IEEE 1394a connector USB ports two LAN USB ports two Center channel and LFE subwoofer audio out Retasking Jack Orange Surround left right channel audio out Retasking Jack Black Audio line in Retasking Jack Blue Digital audio out optical Mic in Retasking Jack Pink Front left right channel audio out Two channel audio line out Retasking Jack Lime green O z z m Alc I o mmo o w Technical Reference 2 8 1 2 Back Panel Connectors For 6 Channel 5 1 Audio Subsystem Figure 19 shows the location of t
59. led by default in the BIOS Setup program Setting this option to Power On will enable a wake up event from LAN in the S5 state NOTE The use of these wake up events from an ACPI state requires an operating system that provides full ACPI support In addition software drivers and peripherals must fully support ACPI wake events 1 12 2 Hardware Support A 40 CAUTION Ensure that the power supply provides adequate 5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used Failure to do so can damage the power supply The total amount of standby current required depends on the wake devices supported and manufacturing options The board provides several power management hardware features including e Power connector e Fan connectors e LAN wake capabilities e Instantly Available PC technology e Resume on Ring e Wake from USB e Wake from PS 2 keyboard e PME signal wake up support e WAKE signal wake up support LAN wake capabilities and Instantly Available PC technology require power from the 5 V standby line Resume on Ring enables telephony devices to access the computer when it is in a power managed state The method used depends on the type of telephony device external or internal Product Description gt NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support 1 12 2 1 Power
60. mented with dual stacked back panel connectors adjacent to the audio connectors e Four ports are routed to two separate front panel USB connectors NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements even if no device is attached to the cable Use shielded cable that meets the requirements for full speed devices For information about Refer to The location of the USB connectors on the back panel Figure 19 page 55 The location of the front panel USB connectors Figure 20 page 56 23 Intel Desktop Board D945GTP Technical Product Specification 1 5 3 IDE Support The board provides five IDE interface connectors e One parallel ATA IDE connector that supports two devices e Four serial ATA IDE connectors that support one device per connector 1 5 3 1 Parallel ATE IDE Interface The ICH7 s Parallel ATA IDE controller has one bus mastering Parallel ATA IDE interface The Parallel ATA IDE interface supports the following modes e Programmed I O PIO processor controls data transfer e 8237 style DMA DMA offloads the processor supporting transfer rates of up to 16 MB sec e Ultra DMA DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 33 MB sec e ATA 66 DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 66 MB sec ATA 66 protocol is similar to Ultra DMA and is device driver compatible e ATA
61. mp 73 23 EEC Portuguese Este produto cumpre com as normas da Diretiva Europ ia 89 336 EEC amp 73 23 EEC Espa ol Este producto cumple con las normas del Directivo Europeo 89 336 EEC amp 73 23 EEC Svenska Denna produkt har tillverkats i enlighet med EG direktiv 89 336 EEC amp 73 23 EEC 2 15 4 Recycling Considerations Intel encourages its customers to recycle its products and their components e g batteries circuit boards plastic enclosures etc whenever possible In the U S a list of recyclers in your area can be found at http www eiae org In the absence of a viable recycling option products and their components must be disposed of in accordance with all applicable local environmental regulations 77 Intel Desktop Board D945GTP Technical Product Specification 2 15 5 Product Certification Markings Board Level 78 Table 38 lists the board s product certification markings Table 38 Product Certification Markings Description UL joint US Canada Recognized Component mark Includes adjacent UL file number for Intel Desktop Boards E210882 component side FCC Declaration of Conformity logo mark for Class B equipment includes Intel name and D945GTP model designation component side CE mark Declares compliance to European Union EU EMC directive 89 336 EEC and Low Voltage directive 73 23 EEC component side The CE mark should also be on the shipping container Australian Communicatio
62. n 1 12 22 3 LAN Wake Capabilities A CAUTION For LAN wake capabilities the 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure to provide adequate standby current when implementing LAN wake capabilities can damage the power supply LAN wake capabilities enable remote wake up of the computer through a network The LAN network adapter monitors network traffic at the Media Independent Interface Upon detecting a Magic Packet frame the LAN subsystem asserts a wake up signal that powers up the computer Depending on the LAN implementation the board supports LAN wake capabilities with ACPI in the following ways e The PCI Express WAKE signal e The PCI Conventional bus PME signal for PCI 2 3 compliant LAN designs e The onboard LAN subsystem 1 12 2 4 Instantly Available PC Technology A CAUTION For Instantly Available PC technology the 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure to provide adequate standby current when implementing Instantly Available PC technology can damage the power supply Instantly Available PC technology enables the board to enter the ACPI S3 Suspend to RAM sleep state While in the S3 sleep state the computer will appear to be off the power supply is off and the front panel LED is amber if dual colored or off if single colored When signaled by a wake up device or event the system quickly ret
63. n D Sub parallel port connector is located on the back panel Use the BIOS Setup program to set the parallel port mode For information about Refer to The location of the parallel port connector Figure 19 page 55 1 8 3 Diskette Drive Controller The legacy I O controller supports one diskette drive Use the BIOS Setup program to configure the diskette drive interface For information about Refer to The location of the diskette drive connector Figure 20 page 56 1 8 4 Keyboard and Mouse Interface PS 2 keyboard and mouse connectors are located on the back panel gt NOTE The keyboard is supported in the bottom PS 2 connector and the mouse is supported in the top PS 2 connector Power to the computer should be turned off before a keyboard or mouse is connected or disconnected For information about Refer to The location of the keyboard and mouse connectors Figure 19 page 55 27 Intel Desktop Board D945GTP Technical Product Specification 1 9 Audio Subsystem The board supports the Intel High Definition audio subsystem based on the Sigmatel 9223 or the Sigmatel 9220 audio codec The audio subsystem supports the following features e Advanced jack sense for the back panel audio jacks that enables the audio codec to recognize the device that is connected to an audio port The back panel audio jacks are capable of retasking according to user s definition or can be automatically switched depending on the reco
64. nal languages are available in the Integrator s Toolkit utility Check the Intel website for details 3 6 2 Custom Splash Screen During POST an Intel splash screen is displayed by default This splash screen can be augmented with a custom splash screen The Integrator s Toolkit that is available from Intel can be used to create a custom splash screen gt NOTE If you add a custom splash screen it will share space with the Intel branded logo For information about Refer to The Intel World Wide Web site Section 1 2 page 15 82 Overview of BIOS Features 3 7 Boot Options In the BIOS Setup program the user can choose to boot from a diskette drive hard drives CD ROM or the network The default setting is for the diskette drive to be the first boot device the hard drive second and the ATAPI CD ROM third The fourth device is disabled 3 7 1 CD ROM Boot Booting from CD ROM is supported in compliance to the El Torito bootable CD ROM format specification Under the Boot menu in the BIOS Setup program ATAPI CD ROM is listed as a boot device Boot devices are defined in priority order Accordingly if there is not a bootable CD in the CD ROM drive the system will attempt to boot from the next defined drive 3 7 2 Network Boot The network can be selected as a boot device This selection allows booting from the onboard LAN or a network add in card with a remote boot ROM installed Pressing the lt F12 gt key during POST
65. nd recognizes any ATAPI compliant devices including CD ROM drives tape drives and Ultra DMA drives The interface also supports second generation SATA drives The BIOS determines the capabilities of each drive and configures them to optimize capacity and performance To take advantage of the high capacities typically available today hard drives are Overview of BIOS Features automatically configured for Logical Block Addressing LBA and to PIO Mode 3 or 4 depending on the capability of the drive You can override the auto configuration options by specifying manual configuration in the BIOS Setup program To use ATA 66 100 features the following items are required e An ATA 66 100 peripheral device e An ATA 66 100 compatible cable e ATA 66 100 operating system device drivers NOTE Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master device For example do not connect an ATA hard drive as a slave to an ATAPI CD ROM drive 3 4 System Management BIOS SMBIOS SMBIOS is a Desktop Management Interface DMI compliant method for managing computers in a managed network The main component of SMBIOS is the Management Information Format MIF database which contains information about the computing system and its components Using SMBIOS a system administrator can obtain the system types capabilities operational status and installation dates for system components The MIF database defines the data and provides
66. ngle present 5 Port F Port 2 Right Channel Port E Port 1 Sense return jack detection 7 Port E Port 1 and Port F Port 2 Key Sense send jack detection 9 Port F Port 2 Left Channel Port F Port 2 Sense return jack detection SK INTEGRATOR S NOTE The front panel audio connector is colored yellow Table 20 Chassis Intrusion Connector Pin Signal Name 1 Intruder 2 Ground Table 21 SCSI Hard Drive Activity LED Connector Optional Pin Signal Name 1 SCSI_ACTH 2 No connect Table 22 Serial ATA Connectors Pin Signal Name Ground TXP TXN Ground RXN RXP Ground N O a A Goal N 58 Table 23 Processor Fan Connector Signal Name Ground 12 V FAN_TACH FAN_CONTROL Front and Rear Chassis Fan Connectors Signal Name FAN_CONTROL 12 V FAN_TACH Technical Reference 59 Intel Desktop Board D945GTP Technical Product Specification 2 8 2 1 Power Supply Connectors The board has power supply connectors e Main power a2 x 12 connector This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables When using a power supply with a 2 x 10 main power cable attach that cable on the rightmost pins of the main power connector leaving pins 11 12 23 and 24 unconnected e ATX12V power a 2 x 2 connector This connector provides power dir
67. nnel Asymmetric Mode Configuration with One DIMM Figure 8 shows a single channel configuration using three DIMMs In this example the combined capacity of the two DIMMs in Channel A does not equal the capacity of the single DIMM in the DIMMO blue socket of Channel B Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17126 Figure 8 Single Channel Asymmetric Mode Configuration with Three DIMMs 20 Product Description 1 5 Intel 945G Chipset The Intel 945G chipset consists of the following devices e Intel 82945G Graphics Memory Controller Hub GMCH with Direct Media Interface DMI interconnect e Intel 82801G I O Controller Hub ICH7 with DMI interconnect The GMCH component provides interfaces to the CPU memory PCI Express and the DMI interconnect The component also provides integrated graphics capabilities supporting 3D 2D and display capabilities The ICH7 is a centralized controller for the board s I O paths For information about Refer to The Intel 945G chipset http developer intel com Resources used by the chipset Chapter 2 1 5 1 Intel 945G Graphics Subsystem The Intel 945G chipset contains two separate mutually exclusive graphics options Either the GMA9S50 graphics controller contained within the 82945G GMCH is used or a PCI Express x16 add in card can be used When a PCI Express x16 add in card is installed the GMA950 gra
68. ns Authority ACA C Tick mark Includes adjacent Intel supplier code number N 232 The C tick mark should also be on the shipping container Printed wiring board manufacturer s recognition mark consists of a unique UL recognized manufacturer s logo along with a flammability rating solder side Lead Free Certification Pb free certification markings are per the JEDEC spec Pb free symbol PB_FREE_SILK e1 symbol specifies the composition of the solder paste E1_SILK 2P Level Interconnect used until a board is considered Pb free per the RoHS definition This must follow the Pb free symbol It is abbreviated per spec 2ND_LVL_INTCT_SILK 260 C specifies maximum safe processing temperature 260C_SILK Marking Trade Name Model Number Fe FOR HOME OR OFFICE USE Tested To Comply With FCC Standards CE V 0 or 94V 0 2ND LVL INTCT 260 C 3 Overview of BIOS Features What This Chapter Contains Bt UOC CUO EE 79 3 2 BIOS Flash Memory Organization ssc 25ccgedecscecsst cian encia dad 80 3 3 Resource COMMOUEALON EE 80 3 4 System Management BIOS SMBIOS EEN 81 30 Legacy USB SUDDOM EE 81 3 6 BIOS pdg sta si o err ee 82 A ee ee aeteavanetagteienetass 83 3 9 Adjusting Boot SPCC ME 84 3 9 ACEN n 85 3 1 Introduction The boards use an Intel BIOS that is stored in the Serial Peripheral Interface Flash Memory SPI Flash and can be updated using a disk based p
69. ntel Pentium 4 processors in an LGA775 processor socket with a 1066 800 or 533 MHz system bus See the Intel web site listed below for the most up to date list of supported processors For information about Refer to Supported processors http www intel com design motherbd tp tp_proc htm A CAUTION Use only the processors listed on web site above Use of unsupported processors can damage the board the processor and the power supply S INTEGRATOR S NOTE Use only ATX12V compliant power supplies For information about Refer to Power supply connectors Section 2 8 2 1 page 60 Intel Desktop Board D945GTP Technical Product Specification 1 4 System Memory The board has four DIMM sockets and support the following memory features e 1 8 V only DDR2 SDRAM DIMMs with gold plated contacts e Unbuffered single sided or double sided DIMMs with the following restriction Double sided DIMMS with x16 organization are not supported e 4 GB maximum total system memory Refer to Section 2 2 1 on page 45 for information on the total amount of addressable memory e Minimum total system memory 128 MB e Non ECC DIMMs e Serial Presence Detect e DDR2 667 DDR2 533 or DDR2 400 MHz SDRAM DIMMs NOTES e Remove the PCI Express x16 video card before installing or upgrading memory to avoid interference with the memory retention mechanism e To be fully compliant with all applicable DDR SDRAM memory specifications the board should be popula
70. oading USB keyboards and mice are recognized and may be used to configure the operating system 6 After the operating system loads the USB drivers all legacy and non legacy USB devices are recognized by the operating system and Legacy USB support from the BIOS is no longer used To install an operating system that supports USB follow the operating system s installation instructions 3 6 BIOS Updates The BIOS can be updated using either of the following utilities which are available on the Intel World Wide Web site e Intel Express BIOS Update utility which enables automated updating while in the Windows environment Using this utility the BIOS can be updated from a file on a hard disk a 1 44 MB diskette or a CD ROM or from the file location on the Web e Intel Flash Memory Update Utility which requires creation of a boot diskette and manual rebooting of the system Using this utility the BIOS can be updated from a file on a 1 44 MB diskette from a legacy diskette drive or an LS 120 diskette drive or a CD ROM Both utilities verify that the updated BIOS matches the target system to prevent accidentally installing an incompatible BIOS gt NOTE Review the instructions distributed with the upgrade utility before attempting a BIOS update For information about Refer to The Intel World Wide Web site Section 1 2 page 15 3 6 1 Language Support The BIOS Setup program and help messages are supported in US English Additio
71. onfiguration with Two DIMMs Figure 5 shows a dual channel configuration using three DIMMs In this example the combined capacity of the two DIMMs in Channel A equal the capacity of the single DIMM in the DIMMO blue socket of Channel B O Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17122 Figure 5 Dual Channel Interleaved Mode Configuration with Three DIMMs Product Description Figure 6 shows a dual channel configuration using four DIMMs In this example the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B Also the DIMMs are matched between DIMMO and DIMM1 of both channels Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17124 Figure 6 Dual Channel Interleaved Mode Configuration with Four DIMMs Intel Desktop Board D945GTP Technical Product Specification 1 4 1 2 Single Channel Asymmetric Mode Configurations gt NOTE Dual channel Interleaved mode configurations provide the highest memory throughput Figure 7 shows a single channel configuration using one DIMM In this example only the DIMMO blue socket of Channel A is populated Channel B is not populated Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17125 Figure 7 Single Cha
72. ontrol is dependent on the hardware monitoring ASIC used with the board For information about Refer to The functions of the fan connectors Section 1 12 2 2 page 41 36 Product Description 1 11 4 Thermal Monitoring Figure 15 shows the location of the sensors and fan connectors OM17837 Item Description A Remote ambient temperature sensor Thermal diode located on processor die Ambient temperature sensor internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan mm DC D Front chassis fan Figure 15 Thermal Sensors and Fan Connectors 37 Intel Desktop Board D945GTP Technical Product Specification 1 12 Power Management Power management is implemented at several levels including e Software support through Advanced Configuration and Power Interface ACPI e Hardware support Power connector Fan connectors LAN wake capabilities Instantly Available PC technology Resume on Ring Wake from USB Wake from PS 2 devices Power Management Event signal PME wake up support 1 12 1 ACPI ACPI gives the operating system direct control over the powe
73. ontrols options Table 40 lists the function keys available for menu screens Table 40 BIOS Setup Program Function Keys BIOS Setup Program Function Key Description lt lt gt OF lt gt gt Selects a different menu screen Moves the cursor left or right lt P gt or lt gt Selects an item Moves the cursor up or down lt Tab gt Selects a field Not implemented lt Enter gt Executes command or selects the submenu lt F9 gt Load the default configuration values for the current menu lt F10 gt Save the current values and exits the BIOS Setup program lt Esc gt Exits the menu 3 2 BIOS Flash Memory Organization The Serial Peripheral Interface Flash Memory SPI Flash includes a 4 Mbit 512 KB flash memory device 3 3 Resource Configuration 3 3 1 PCI Autoconfiguration The BIOS can automatically configure PCI devices PCI devices may be onboard or add in cards Autoconfiguration lets a user insert or remove PCI cards without having to configure the system When a user turns on the system after adding a PCI card the BIOS automatically configures interrupts the I O space and other system resources Any interrupts set to Available in Setup are considered to be available for use by the add in card 3 3 2 PCIIDE Support 80 If you select Auto in the BIOS Setup program the BIOS automatically sets up the PCI IDE connector with independent I O channel support The IDE interface supports hard drives up to ATA 66 100 a
74. password to boot the computer e For enhanced security use different passwords for the supervisor and user passwords e Valid password characters are A Z a z and 0 9 Passwords may be up to 16 characters in length Table 42 shows the effects of setting the supervisor password and user password This table is for reference only and is not displayed on the screen Table 42 Supervisor and User Password Functions Supervisor Password to Password Password Set Mode User Mode Setup Options Enter Setup During Boot Neither Can change all Can change all None None options Note options Note Supervisor Can change all Can change a Supervisor Password Supervisor None only options limited number of options User only N A Can change all Enter Password User User options Clear User Password Supervisor Can change all Can change a Supervisor Password Supervisor or Supervisor or and user set options limited number Enter Password user user of options Note If no password is set any user can change all Setup options 85 Intel Desktop Board D945GTP Technical Product Specification 86 4 Error Messages and Beep Codes What This Chapter Contains RC 87 E EE EE A aa ice te a ee aaa Me seh ee ae a eae cla ote 87 49 BIOS Error Messages oil lit ede 87 AA Port SOM POST CodeS rca to la die 88 4 1 Speaker The board mounted speaker provides audible error code beep code information during POST For information abou
75. pecification The board has several hardware management features including the following e Chassis intrusion detection e Fan monitoring and control through the hardware monitoring and fan control ASIC e Thermal and voltage monitoring 35 Intel Desktop Board D945GTP Technical Product Specification 1 11 1 Hardware Monitoring and Fan Control ASIC The features of the hardware monitoring and fan control ASIC include e Internal ambient temperature sensor e Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing e Power supply monitoring of five voltages 5 V 12 V 3 3 VSB 1 5 V and VCCP to detect levels above or below acceptable values e Thermally monitored closed loop fan control for all three fans that can adjust the fan speed or switch the fans on or off as needed e SMBus interface For information about Refer to The location of the fan connectors and sensors for thermal monitoring Figure 15 page 37 1 11 2 Chassis Intrusion and Detection The board supports a chassis security feature that detects 1f the chassis cover is removed The security feature uses a mechanical switch on the chassis that attaches to the chassis intrusion connector When the chassis cover is removed the mechanical switch is in the closed position 1 11 3 Fan Monitoring Fan monitoring can be implemented using Intel Desktop Utilities or third party software The level of monitoring and c
76. phics controller is disabled 1 5 1 1 Intel GMA950 Graphics Controller The Intel GMA950 graphics controller features the following e 400 MHz core frequency e High performance 3 D setup and render engine e High quality texture engine DX9 Compliant Hardware Pixel Shader 2 0 Alpha and luminance maps Texture color keying chroma keying Cubic environment reflection mapping Enhanced texture blending functions e 3D Graphics Rendering enhancements 1 3 Dual Texture GigaPixel Sec Fill Rate 16 and 32 bit color Maximum 3D supported resolution of 1600 x 1200 x 32 at 85 Hz Vertex cache Anti aliased lines OpenGL version 1 4 support with vertex buffer and EXT_Shadow extensions e 2D Graphics enhancements 8 16 and 32 bit color Optimized 256 bit BLT engine Color space conversion Anti aliased lines 21 Intel Desktop Board D945GTP Technical Product Specification e Video Hardware motion compensation for MPEG2 Software DVD at 30 fps full screen e Display Integrated 24 bit 400 MHz RAMDAC Up to 2048 x 1536 at 75 Hz refresh QXGA DDC2B compliant interface With Advanced Digital Display 2 or 2 ADD2 ADD2 cards support for TV out TV in and DVI digital display connections Supports flat panels up to 2048 x 1536 at 60Hz or digital CRT HDTV at 1920 x 1080 at 85 Hz with ADD2 ADD2 Two multiplexed DVO port interfaces with 200 MHz pixel clocks using an ADD2 ADD2
77. r USB 2 0 devices e Eight USB ports e One serial port e One parallel port e Four Serial ATA interfaces e One Parallel ATA IDE interface with UDMA 33 ATA 66 100 support e One diskette drive interface e PS 2 keyboard and mouse ports Refer to Table 2 on page 11 for a description of LAN subsystem options e Intel BIOS resident in the SPI Flash device e Support for Advanced Configuration and Power Interface ACPI Plug and Play and SMBIOS e Two PCI Conventional bus connectors e One PCI Express x1 bus add in card connector e One PCI Express x16 bus add in card connector e Support for PCI Local Bus Specification Revision 2 3 e Support for PCI Express Revision 1 0a e Suspend to RAM support e Wake on PCI RS 232 front panel PS 2 devices and USB ports e Hardware monitoring and fan control ASIC e Voltage sense to detect out of range power supply voltages e Thermal sense to detect out of range thermal values e Three fan connectors e Three fan sense inputs used to monitor fan activity e Fan speed control Product Description 1 1 2 Manufacturing Options Table 2 describes the manufacturing options Not every manufacturing option is available in all marketing channels Please contact your Intel representative to determine which manufacturing options are available to you Table 2 Manufacturing Options Audio Subsystem IEEE 1394a Interface LAN subsystem SATA RAID SCSI Hard Drive Activity LED Connector Tru
78. r management and Plug and Play functions of a computer The use of ACPI with this board requires an operating system that provides full ACPI support ACPI features include e Plug and Play including bus and device enumeration e Power management control of individual devices add in boards some add in boards may require an ACPI aware driver video displays and hard disk drives e Methods for achieving less than 15 watt system operation in the power on standby sleeping state e A Soft off feature that enables the operating system to power off the computer e Support for multiple wake up events see Table 9 on page 40 e Support for a front panel power and sleep mode switch Table 7 lists the system states based on how long the power switch is pressed depending on how ACPI is configured with an ACPI aware operating system Table 7 Effects of Pressing the Power Switch and the power switch is If the system is in this state pressed for the system enters this state Off Less than four seconds Power on ACPI G2 G5 Soft off SPA 5 ACPI GO working state On Soft off Standby ACPI GO working state ACPI G1 sleeping state On Fail safe power off ACPI GO working state ACPI G2 G5 Soft off Sleep Less than four seconds Wake up ACPI G1 sleeping state peer ACPI GO working state Sleep More than four seconds Power off ACPI G1 sleeping state Kee ACPI G2 G5 Soft off 38 Product Description
79. ranging from 100 Mbits sec to 400 Mbits sec As a manufacturing option the board includes three IEEE 1394a connectors as follows e One IEEE 1394a connector located on the back panel e Two IEEE 1394a front panel connectors located on the component side For information about Refer to The location of the back panel IEEE 1394a connector Figure 18 page 54 The location of the front panel IEEE 1394a connectors Figure 20 page 56 The signal names of the front panel IEEE 1394a connectors Section 2 8 2 6 page 64 Product Description 1 8 Legacy I O Controller The legacy I O controller provides the following features e One serial port e One parallel port with Extended Capabilities Port ECP and Enhanced Parallel Port EPP support e Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems e PS 2 style mouse and keyboard interfaces e Interface for one 1 44 MB or 2 88 MB diskette drive e Intelligent power management including a programmable wake up event interface e PCI Conventional bus power management support The BIOS Setup program provides configuration options for the legacy I O controller 1 8 1 Serial Port The Serial port A connector is located on the back panel The serial port supports data transfers at speeds up to 115 2 kbits sec with BIOS support For information about Refer to The location of the serial port A connector Figure 19 page 55 1 8 2 Parallel Port The 25 pi
80. rd Drive Activity LED Connector Optional 58 Serial WE Ree 58 Processor Fan COMO siii a 59 Front and Rear Chassis Fan CGonnechors oocccconcccccccnononcccnnnnncnnnnnnnnnncnnnnnnn ocn nnnnnnnnnncnnnnss 59 Main Power CONNECTOR entitats 60 ATX12V TE e 60 Auxiliary Front Panel Power Sleep LED Connector occcccccocccccccononcccnonancnonanancccnnnannncnnns 61 Front Panel COMBO aaa aia 62 States for a One Color Power RE 63 States for a Two Color Power LED cuco ic 63 BIOS Setup Configuration Jumper Gettngs ENEE 65 DC Loading BEE EE 69 Fan Connector Current Capability ccc facades incoada eines 70 Thermal Considerations for Components cccooooccccccnnocociconononincnonnncnnnnnnn cnn nnnnnn cnn nnnnnncnn 73 Environmental Specifications sia la ario 74 Safety e EE 75 Lee IT 75 Product Certification Markings tit ia ad diras 78 BIOS Setup Program Menu Barco 80 BIOS Setup Program Function Keys cciiiciosionosiiedce era 80 Boot Device Menu Options pcia ici ra adas 83 Supervisor and User Password Functions oooocccccnnccccccononcccccccnanancncnnnoncn cnn nc cnn nnnnnnccnos 85 Beep COD CS tii eel 87 BIOS Error Messages steel delos 87 Port 80h POST Gode Ranges cto il 88 POM COMPOST COMES as di ad 89 Typical Port 80h POST Sequence eegene EENS ENEE EES 92 1 Product Description What This Chapter Contains A E 10 12 Online Suppo coast ocios dario io locos pelada 15 13 POCOS O capas 15 T4 SYSTEM MEMO EE 16 15 e Sel eege ee 21 1 6 PCI Express
81. rmed safely disconnected provided by battery from the or external source computer Notes 1 Total system power is dependent on the system configuration including add in boards and peripherals powered by the system chassis power supply 2 Dependent on the standby power consumption of wake up devices used in the system 1 12 1 2 One Watt Standby In 2001 the U S government issued an executive order requiring a reduction in power for appliances and personal computers This board meets that requirement by operating at 1 W or less in S5 Standby mode One Watt operation applies only to the S5 state when the computer is turned off but still connected to AC power One Watt operation does not apply to the S3 Suspend to RAM or S4 Suspend to disk states Newer energy efficient power supplies using less than 0 5 W in Standby mode may also be needed to achieve this goal 39 Intel Desktop Board D945GTP Technical Product Specification 1 12 1 3 Wake up Devices and Events Table 9 lists the devices or specific events that can wake the computer from specific states Table 9 Wake up Devices and Events These devices events can wake up the computer from this state LAN S1 S3 S4 S5 Note Modem back panel Serial Port A S1 S3 PME signal S1 S3 S4 S5 Note Power switch S1 S3 S4 S5 PS 2 devices S1 S3 RTC alarm S1 S3 S4 S5 USB S1 S3 WAKE signal S1 S3 S4 S5 Note For LAN and PME signal S5 is disab
82. rogram The SPI Flash contains the BIOS Setup program POST the PCI auto configuration utility and Plug and Play support The BIOS displays a message during POST identifying the type of BIOS and a revision code The initial production BIOSs are identified as NT94510J 86A When the BIOS Setup configuration jumper is set to configure mode and the computer is powered up the BIOS compares the CPU version and the microcode version in the BIOS and reports if the two match The BIOS Setup program can be used to view and change the BIOS settings for the computer The BIOS Setup program is accessed by pressing the lt F2 gt key after the Power On Self Test POST memory test begins and before the operating system boot begins The menu bar is shown below Maintenance Main Advanced Security Power Boot Exit NOTE The maintenance menu is displayed only when the Desktop Board is in configure mode Section 2 9 on page 65 shows how to put the Desktop Board in configure mode 79 Intel Desktop Board D945GTP Technical Product Specification Table 39 lists the BIOS Setup program menu features Table 39 BIOS Setup Program Menu Bar Clears Displays Configures Sets Configures Selects boot Saves or passwords and processor advanced passwords power options discards displays and memory features and security management changes to processor configuration available features features and Setup information through the power supply program chipset c
83. s to stripe data increased performance and then makes a copy of the striped drives to provide redundancy The mirrored disks eliminate the overhead and delay of parity RAID 5 distributed parity RAID Level 5 stripes data at a block level across several drives and distributes parity among the drives no single disk is devoted to parity Because parity data is distributed on each drive read performance tends to be lower than other RAID types RAID 5 requires the use of three or four drives 1 5 3 4 SCSI Hard Drive Activity LED Connector Optional The SCSI hard drive activity LED connector is a 1 X 2 pin connector that allows an add in hard drive controller to use the same LED as the onboard IDE controller For proper operation this connector should be wired to the LED output of the add in hard drive controller The LED indicates when data is being read from or written to either the add in hard drive controller or the onboard IDE controller Parallel ATA or Serial ATA For information about Refer to The location of the SCSI hard drive activity LED connector Figure 20 page 56 The signal names of the SCSI hard drive activity LED connector Table 21 page 58 25 Intel Desktop Board D945GTP Technical Product Specification 1 5 4 Real Time Clock CMOS SRAM and Battery A coin cell battery CR2032 powers the real time clock and CMOS memory When the computer is not plugged into a wall socket the battery has an estimated life of three years
84. sted Platform Module TPM revision 1 2 Intel High Definition Audio subsystem in one of the following configurations e 8 channel 7 1 audio subsystem with five analog audio outputs and two S PDIF digital audio outputs coaxial and optical using the Sigmatel 9223 audio codec e 6 channel 5 1 audio subsystem with three analog audio outputs using the Sigmatel 9220 audio codec IEEE 1394a controller and three IEEE 1394a connectors one back panel connector two front panel connectors The board provides one of the following e Gigabit 10 100 1000 Mbits sec LAN subsystem using the Intel 82573E 82573V 82574V Gigabit Ethernet Controller e 10 100 Mbits sec LAN subsystem using the Intel 82562GX 82562GZ Platform LAN Connect PLC device Intel 82801GR I O Controller Hub ICH7 R for RAID support levels 0 1 0 1 and 5 on the SATA interface Allows add in hard drive controllers SCSI or other to use the same LED as the onboard IDE controller A component that enhances platform security For information about Refer to Available configurations for the board Section 1 2 page 15 11 Intel Desktop Board D945GTP Technical Product Specification 1 1 3 Board Layout Figure 1 shows the location of the major components A D
85. systems to the processor memory and USB ports Use the datasheets for add in cards such as PCI to determine the overall system power requirements The selection of a power supply at the system level is dependent on the system s usage model and not necessarily tied to a particular processor speed Table 32 DC Loading Characteristics P DC Current at Maximum loading 2 11 2 Add in Board Considerations The boards are designed to provide 2 A average of 5 V current for each add in board The total 5 V current draw for both boards is as follows a fully loaded D945GTP board all three expansion slots and the PCI Express x16 slot filled must not exceed 8 A 69 Intel Desktop Board D945GTP Technical Product Specification 2 11 3 Fan Connector Current Capability A CAUTION The processor fan must be connected to the processor fan connector not to a chassis fan connector Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation Table 33 lists the current capability of the fan connectors Table 33 Fan Connector Current Capability Fan Connector Maximum Available Current Processor fan 3 0A Front chassis fan 15A Rear chassis fan 15A 2 11 4 Power Supply Considerations A 70 CAUTION The 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure to do so can damage the power supply The total
86. t Refer to The location of the onboard speaker Figure 1 page 12 4 2 BIOS Beep Codes Whenever a recoverable error occurs during POST the BIOS displays an error message describing the problem see Table 43 Table 43 Beep Codes Thermal warning Four alternating beeps High tone 2000 Hz 4 3 BIOS Error Messages Table 44 lists the error messages and provides a brief description of each Table 44 BIOS Error Messages Error Message Explanation CMOS Battery Low The battery may be losing power Replace the battery soon CMOS Checksum Bad The CMOS checksum is incorrect CMOS memory may have been corrupted Run Setup to reset values Memory Size Decreased Memory size has decreased since the last boot If no memory was removed then memory may be bad No Boot Device Available System did not find a device to boot 87 Intel Desktop Board D945GTP Technical Product Specification 4 4 Port 80h POST Codes 88 During the POST the BIOS generates diagnostic progress codes POST codes to I O port 80h If the POST fails execution stops and the last POST code generated is left at port 80h This code is useful for determining the point where an error occurred Displaying the POST codes requires a PCI bus add in card often called a POST card The POST card can decode the port and display the contents on a medium such as a seven segment display NOTE The POST card must be installed in PCI bus connector 1 The following tables provid
87. ted with DIMMs that support the Serial Presence Detect SPD data structure This allows the BIOS to read the SPD data and program the chipset to accurately configure memory Settings for optimum performance If non SPD memory is installed the BIOS will attempt to correctly configure the memory settings but performance and reliability may be impacted or the DIMMs may not function under the determined frequency Table 4 lists the supported DIMM configurations Table 4 Supported Memory Configurations DIMM ia E 7 SDRAM Organization Number of SDRAM Capacity Configuration Density Front side Back side Devices 2048 MB DS 1 Gbit 128Mx8 128 Mx 8 16 Note In the second column DS refers to double sided memory modules containing two rows of SDRAM and SS refers to single sided memory modules containing one row of SDRAM INTEGRATOR S NOTE It is possible to install four 2048 MB 2 GB modules for a total of 8 GB of system memory however only 4 GB of address space is available Refer to Section 2 2 1 on page 45 for additional information on available memory Product Description 1 4 1 Memory Configurations The Intel 82945G GMCH supports two types of memory organization e Dual channel Interleaved mode This mode offers the highest throughput for real world applications Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal Technology and device width can vary from one channel to
88. the other but the installed memory capacity for each channel must be equal If different speed DIMMs are used between channels the slowest memory timing will be used e Single channel Asymmetric mode This mode is equivalent to single channel bandwidth operation for real world applications This mode is used when only a single DIMM is installed or the memory capacities are unequal Technology and device width can vary from one channel to the other If different speed DIMMs are used between channels the slowest memory timing will be used Figure 3 illustrates the memory channel and DIMM configuration gt NOTE The DIMMO sockets of both channels are blue The DIMMI sockets of both channels are black oo ane Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17739 Figure 3 Memory Channel and DIMM Configuration Intel Desktop Board D945GTP Technical Product Specification 1 4 1 1 Dual Channel Interleaved Mode Configurations Figure 4 shows a dual channel configuration using two DIMMs In this example the DIMMO blue sockets of both channels are populated with identical DIMMs Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17123 Figure 4 Dual Channel Interleaved Mode C
89. the method for accessing this information The BIOS enables applications such as third party management software to use SMBIOS The BIOS stores and reports the following SMBIOS information e BIOS data such as the BIOS revision level e Fixed system data such as peripherals serial numbers and asset tags e Resource data such as memory size cache size and processor speed e Dynamic data such as event detection and error logging Non Plug and Play operating systems such as Windows N T require an additional interface for obtaining the SMBIOS information The BIOS supports an SMBIOS table interface for such Operating systems Using this support an SMBIOS service level application running on a non Plug and Play operating system can obtain the SMBIOS information 3 5 Legacy USB Support Legacy USB support enables USB devices to be used even when the operating system s USB drivers are not yet available Legacy USB support is used to access the BIOS Setup program and to install an operating system that supports USB Legacy USB support operates as follows 1 When you apply power to the computer legacy support is disabled 2 POST begins 3 Legacy USB support is enabled by the BIOS allowing you to use a USB keyboard to enter and configure the BIOS Setup program and the maintenance menu 4 POST completes 81 Intel Desktop Board D945GTP Technical Product Specification 5 The operating system loads While the operating system is l
90. tion of the Jumper Block ini toi 65 29 Board DIMENSIONS sii ade a 66 26 I O Shield Dimensions for Boards with the 8 Channel 7 1 Audio Subsystem 67 27 1 0 Shield Dimensions for Boards with the 6 Channel 5 1 Audio Subsystem 68 28 Processor Heatsink for Omni directional Artflow sssssssseneesenneessrrrrssrrsnererneressrernnee 71 29 Localized High Temperature Zones oocococcccccnononononancncnnnnnnnnnnnnnnnnnnnnnnnnn nan cnn rene 72 vii Intel Desktop Board D945GTP Technical Product Specification Tables viii Feature SS EE EE 10 MANUFACTURING Option Se eesti ole 11 Board Components Shown in Figure 1 13 Supported Memory Configurations oil A Seee Seege E 16 LAN Connector LED Stalin a 32 LAN Connector LED States scientist caia 33 Effects of Pressing the Power Switch itinere 38 Power States and Targeted System Power sssssssnessseernseernnntrnnrtsserrnnerennnnennnessrenn nee 39 Wake up Devices and Event cccccceeeeeeeeeeeeeeeeeeeeeecneeeeeeeeeeeeeseseeeeeeaeseneeenneseeees 40 System MEMORY Map cosas std lisis 47 DMA Channels stan a ia 47 VO Mapes a a ad 48 PCI Configuration Space Maira nnt 49 adi ia 50 PCI Interrupt Routing Map geustuaggeugege E ege ee EES EENEG 51 Back Panel Connectors Shown in Figure 18 54 Back Panel Connectors Shown in Figure 19 55 Component side Connectors Shown in Figure 20 57 Front Panel Audio Connector iaa 58 EEN ue Be le EE 58 SCSI Ha
91. tup program 4 A description of the BIOS error messages beep codes and POST codes Typographical Conventions This section contains information about the conventions used in this specification Not all of these symbols and abbreviations appear in all specifications of this type Notes Cautions and Warnings gt NOTE Notes call attention to important information SK INTEGRATOR S NOTES Integrator s notes are used to call attention to information that may be useful to system integrators A CAUTION Cautions are included to help you avoid damaging hardware or losing data A WARNING Warnings indicate conditions which if not observed can cause personal injury Intel Desktop Board D945GTP Technical Product Specification Other Common Notation NxnX GB GB sec Gbits sec KB Kbit kbits sec MB MB sec Mbit Mbit sec xxh x x V Used after a signal name to identify an active low signal such as USBPO When used in the description of a component N indicates component type xn are the relative coordinates of its location on the Desktop Board D945GTP and X is the instance of the particular part at that general location For example J5J1 is a connector located at 5J Itis the first connector in the 5J area Gigabyte 1 073 741 824 bytes Gigabytes per second Gigabits per second Kilobyte 1024 bytes Kilobit 1024 bits 1000 bits per second Megabyte 1 048 576 bytes Megabytes per second Mega
92. urns to 1ts last known wake state Table 9 on page 40 lists the devices and events that can wake the computer from the S3 state The board supports the PCI Bus Power Management Interface Specification Add in boards that also support this specification can participate in power management and can be used to wake the computer The use of Instantly Available PC technology requires operating system support and PCI 2 3 compliant add in cards PCI Express add in cards and drivers 42 Product Description 1 12 2 5 Resume on Ring The operation of Resume on Ring can be summarized as follows e Resumes operation from ACPI S1 or S3 states e Detects incoming call similarly for external and internal modems e Requires modem interrupt be unmasked for correct operation 1 12 2 6 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states gt NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB 1 12 2 7 Wake from PS 2 Devices PS 2 device activity wakes the computer from an ACPI S1 or S3 state 1 12 2 8 PME Signal Wake up Support When the PME signal on the PCI Conventional bus is asserted the computer wakes from an ACPI S1 S3 S4 or S5 state with Wake on PME enabled in BIOS 1 12 2 9 WAKE Signal Wake up Support When the WAKE signal on the PCI Express bus is asserted the computer wakes from an ACPI S1 S3 S4 or S5 state 43 Intel Desktop Board D945GTP Technical Product Specifi
93. ve a unique interrupt However in certain interrupt constrained situations it is possible for two or more of the PIRO lines to be connected to the same IRO signal Refer to Table 14 for the allocation of PIRO lines to IRQ signals in APIC mode PCI interrupt assignments to the USB ports Serial ATA ports and PCI Express ports are dynamic Technical Reference 2 8 Connectors A CAUTION Only the following connectors have overcurrent protection back panel USB front panel USB and PS 2 The other internal connectors are not overcurrent protected and should connect only to devices inside the computer s chassis such as fans and internal peripherals Do not use these connectors to power devices external to the computer s chassis A fault in the load presented by the external devices could cause damage to the computer the power cable and the external devices themselves This section describes the board s connectors The connectors can be divided into these groups e Back panel I O connectors see page 55 e Component side I O connectors see page 53 2 8 1 Back Panel Connectors The back panel configuration is dependent upon which audio subsystem is present The configurations are as follows e 8 channel 7 1 audio subsystem five analog audio output connectors and one digital audio output connector described on page 54 e 6 channel 5 1 audio subsystem three analog audio output connectors described on page 55 53 Inte
94. vice SetVirtualAddressMap has been called EFI runtime service ResetSystem has been called PEIMs Recovery Crisis Recovery has initiated per User request Crisis Recovery has initiated by software corrupt flash Loading recovery capsule Handing off control to the recovery capsule Unable to recover 91 Intel Desktop Board D945GTP Technical Product Specification 92 Table 47 Typical Port 80h POST Sequence POST Code 21 22 23 25 28 34 E4 12 13 50 51 92 90 94 95 EB 58 5A 92 90 94 5A 28 90 94 E7 01 00 Description Initializing a chipset component Reading SPD from memory DIMMs Detecting presence of memory DIMMs Configuring memory Testing memory Loading recovery capsule Entered DXE phase Starting Application processor initialization SMM initialization Enumerating PCI busses Allocating resourced to PCI bus Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Keyboard Self Test Calling Video BIOS Resetting USB bus Resetting PATA SATA bus and all devices Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Resetting PATA SATA bus and all devices Testing memory Resetting keyboard Clearing keyboard input buffer Waiting for user input INT 19 Ready to boot

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