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Intel D845GVFN Motherboard

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1. OM17304 Item Description A Processor voltage regulator area B Processor C Intel 82845GV GMCH D Intel 82801DB ICH4 Figure 13 Localized High Temperature Zones Table 39 provides maximum case temperatures for Desktop Board D845GVEN 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 Desktop Board D845GVEN Table 39 Thermal Considerations for Components Component Maximum Case Temperature Intel Pentium 4 processor For processor case temperature see processor datasheets and processor specification updates Intel 82845GV GMCH 92 C under bias Intel 82801DB ICH4 110 C under bias Technical Reference 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 Desktop Board D845GVFN MTBF is 149979 68 hours 2 14 Environment
2. OM17302 Item Description Reference Designator A Front panel audio connector jumper block J8A1 B BIOS Setup configuration jumper block J9H2 Figure 10 Location of the Jumper Blocks 2 9 1 Front Panel Audio Connector Jumper Block This connector has two functions e With jumpers installed the audio line out signals are routed to the back panel audio line out connector e With jumpers removed the connector provides audio line out and mic in signals for front panel audio connectors Table 35 describes the two configurations of this connector jumper block 56 Technical Reference A CAUTION Do not place jumpers on this block in any configuration other than the one described in Table 35 Other jumper configurations are not supported and could damage the desktop board Table 35 Front Panel Audio Connector Jumper Block Jumper Setting Configuration ER 1 and 2 Audio line out signals are routed to the back panel audio line out Bee connector The back panel audio line out connector is shown in Figure 4 sud 5 and 6 on page 46 710 Jo e lke 9 and 10 Audio line out and mic in signals are available for front panel audio 7 5 No jumpers connectors Table 21 on page 49 lists the names of the signals available dd installed on this connector when no jumpers are installed
3. E Cd erg I Eo og i i I if I I d e EE I d 2 D 482 Cu O O SCH 9 1 C Hee EEN F 8 coon O B OM17301 Description For more information see Serial Port B optional Auxiliary front panel power sleep LED Front panel Front panel USB Serial Port B Connector optional Signal Name Table 30 Table 31 Table 32 and Figure 8 Figure 9 Figure 7 External UO Connectors Signal Name RXD DTR DSR CTS Not connected Technical Reference 2 8 3 1 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 31 lists the signal names of the Auxiliary Front Panel Power Sleep LED Connector Table 31 Auxiliary Front Panel Power Sleep LED Connector Pin In Out Description Front panel green LED Front panel yellow LED 2 8 3 2 Front Panel Connector This section describes the functions of the front panel connector Table 32 lists the signal names of the front panel connector Figure 8 is a connection diagram for the front panel connector Table 32 Front Panel Connector Pin 1 Hard disk LED pull up 2 750 Q to 5 V 3 Hard disk active LED 4 HDR_BLNK_ Out Front panel yellow YEL LED Reset Switch On Off Switch 5 Ground Ground 6 SWITCH_ON In Power sw
4. Table 3 Specifications continued Reference Specification Version Revision Date and The information is Name Title Ownership available from EHCI Enhanced Host Revision 1 0 http developer intel com te Controller Interface March 12 2002 chnology usb download ehc Specification for Intel Corporation i r10 pdf Universal Serial Bus EPP IEEE Std 1284 1 1997 Version 1 7 http standards ieee org re Enhanced Parallel Port 1997 ading ieee std public descri Institute of Electrical and ption busarch 1284 1 Electronic Engineers 1997 desc html El Torito Bootable CD ROM Version 1 0 http www phoenix com res Format Specification January 25 1995 ources specs cdrom pdf Phoenix Technologies Limited and International Business Machines Corporation LPC Low Pin Count Interface Revision 1 0 http www intel com design Specification September 29 1997 chipsets industry Ipc htm Intel Corporation MicroATX microATX Motherboard Version 1 0 http www formfactors org Interface Specification December 1997 developer specs microatx Intel Corporation microatx htm PCI PCI Local Bus Revision 2 2 http www pcisig com speci Specification December 18 1998 fications PCI Special Interest Group PCI Bus Power Revision 1 1 http www pcisig com speci Management Interface December 18 1998 fications Specification PCI Special Interest Group Plug and Plug and Play BIOS Version 1 0a http www microsoft com h Play Specification
5. 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 e Fan monitoring for all three fan connectors 31 Intel Desktop Board D845GVFN Technical Product Specification 1 12 2 Fan Monitoring Fan monitoring can be implemented using Intel LANDesk Client Manager or third party software For information about Refer to The functions of the fan connectors Section 1 13 2 2 page 36 1 12 3 Chassis Intrusion and Detection The board supports a chassis security feature that detects if 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 13 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 13 1 ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer The u
6. 50016 Hie 910 0 10 SE INTEGRATOR S NOTE When the jumpers are removed and this connector is used for front panel audio the back panel audio line out and mic in connectors are disabled 2 9 2 BIOS Setup Configuration Jumper Block The 3 pin jumper block determines the BIOS Setup program s mode Table 36 describes the jumper settings for the three modes normal configure and recovery When the jumper is set to configuration 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 Table 36 BIOS Setup Configuration Jumper Settings Function Mode Jumper Setting Jumper Setting Configuration Normal The BIOS uses current configuration information and 3 passwords for booting Configure After the POST runs Setup runs automatically The 2 3 3 0100 maintenance menu is displayed Recovery The BIOS attempts to recover the BIOS configuration A None 3 recovery diskette is required 57 Intel Desktop Board D845GVFN Technical Product Specification 2 10 Mechanical Considerations The Desktop Board D845GVEN is designed to fit into either a microATX or an ATX form factor chassis Figure 11 illustrates the mechanical form factor for the desktop board Dimensions are given in inches millimeters The outer dimensions are 9 20 inches by 8 20 inches 233 68 millimeters by 208 28 millimeters Location of the I O connectors
7. Hewlett Packard Company Lucent Technologies Inc Intel Corporation Microsoft Corporation NEC Corporation and Koninklijke Philips Electronics N V WiM Wired for Management Version 2 0 http www intel com labs m Baseline December 18 1998 anage wfm wfmspecs htm Intel Corporation 17 Intel Desktop Board D845GVFN Technical Product Specification 1 6 Processor da NOTE A Refer to Thermal Considerations Section 2 12 page 61 for important information when using an Intel Pentium 4 processor operating above 2 80 GHz with this Intel desktop board The board is designed to support the following e Intel Pentium 4 processors in an mPGA478 processor socket with a 533 400 MHz system bus e Intel Celeron processors in an mPGA478 processor socket with a 400 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 for the D845GVFN board http www intel com design motherbd fn fn_proc htm CAUTION Use only the processors listed on web site above Use of unsupported processors can damage the board the processor and the power supply SE INTEGRATOR S NOTES e Use only ATX12V SFX12V or TFX12V compliant power supplies with the Desktop Board D845GVFN ATX12V SFX12V and TFX12V power supplies have an additional power lead that provides required supplemental power for the processor Always connect the 20 pin and 4 pi
8. 239 Jumper BOKS ps 56 2 9 1 Front Panel Audio Connector Jumper Block 56 2 9 2 BIOS Setup Configuration Jumper Block ronnnnnnvnnnnnnnnvnnnnnnnrrnnnnnrrrnnnnnnnnnnn 57 2 10 Mechanical Considerations mune cele 58 2401 VO SNE eee 59 e aars ean 60 2111 o A a a a a a aS 60 2 11 2 Add in Board ConsidGrations cacas dnd 60 2 11 3 Fan Connector Current Capablanca drid 60 2 11 4 Power Supply Considerations AEN 61 212 Thermal Considerations vise scachisisaccazessisciesssccicabeven EAR EEER cap dadsertededank dE sek 61 PTS WGN ARN EE 63 A TE A A 63 2 15 Regulatory ell ne 64 2151 gt Safety Reg lationS EE 64 2152 ee IEN e 64 2 15 3 European Union Declaration of Conformity Gtaiement eee 65 2 15 4 Product Ecology Statements cui 65 2 15 5 Product Certification Markings Board Level 66 Overview of BIOS Features del TOi Tel LOES TE ee 67 3 2 BIOS Flash Memory Organization EE 68 3 3 Resource Config rati EE 68 3 3 1 Ee ene ET LL DE 68 3 3 2 PCI MDE ENEE 69 3 4 System Management BIOS MIO 69 3 5 Legacy USB UPON dt 70 26 SENOS EE eege eege 70 3 6 1 Language SUBD ir nt tte 71 3 6 2 Custom Splash SON oscila 71 gt Boot NS es 71 3 7 1 CD ROM Bobre EE 71 3 7 2 Network BOL tus 71 3 7 3 Booting Without Attached Devices cccccceeeeeeeeeeseeeeeeeeeeeeeeeseeeeeneeeeeeeees 72 3 7 4 Changing the Default Boot Device During POST rrnrnnnnnvnnnrnnnrvnnrnrrrrrnerernnn 72 3 8 Fast Booting Systems with Intel Rapi
9. 73 3 9 BIOS Security Feie 74 3 1 Introduction The board uses an Intel AMI BIOS that is stored in the Firmware Hub FWH and can be updated using a disk based program The FWH 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 FN84510A 86A When the BIOS Setup program configuration jumper is set to configuration 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 da NOTE The maintenance menu is displayed only when the board is in configuration mode Section 2 9 2 on page 57 tells how to put the board in configuration mode 67 Intel Desktop Board D845GVFN Technical Product Specification Table 44 lists the BIOS Setup program menu features Table 44 BIOS Setup Program Menu Bar Clears Allocates Configures Sets Configures Selects boot Saves or passwords and resources for advanced passwords power options and discards BIS c
10. Note 1 1 8 bytes COM2 0376 0377 bits 6 0 0378 037F 03B0 03BB 03C0 03DF 03E8 03EF O3FO 03F5 03F6 03F8 03FF 04D0 04D 1 LPTn 400 OCF8 OCFB Note 2 OCF9 Note 3 OCFC OCFF FFAO FFA7 FFA8 FFAF Notes 1 byte Secondary IDE channel command port 7 bits Secondary IDE channel status port 8 bytes LPT1 12 bytes Intel 82845GV GMCH 32 bytes Intel 82845GV GMCH 8 bytes COM3 6 bytes Diskette channel 1 1 byte Primary IDE channel command port 8 bytes COM1 2 bytes Edge level triggered PIC 8 bytes ECP port LPTn base address 400h 4 bytes PCI configuration address register 1 byte Turbo and reset control register 4 bytes PCI configuration data register 8 bytes Primary bus master IDE registers 8 bytes Secondary bus master IDE registers 1 Default but can be changed to another address range 2 Dword access only 3 Byte access only lt Q NOTE Some additional I O addresses are not available due to ICH4 address aliasing The ICH4 data sheet provides more information on address aliasing 40 For information about Refer to Obtaining the ICH4 data sheet Section 1 3 on page 14 Technical Reference 2 4 DMA Channels Table 17 DMA Channels DMA Channel Number Data Width System Resource o S D A Gol DM Open 8 or 16 bits Parallel port Diskette drive Parallel port for ECP or EPP DMA controller 16 bits Open 2 5 PCI Configuration Space Map Table 18 PCI Configur
11. e g POST module not found etc 0 CO S D OI ki N 0 83 Intel Desktop Board D845GVFN Technical Product Specification 84
12. 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 power connector Figure 5 page 48 The signal names of the power connector Table 27 page 50 The ATX SFX and TFX12V specifications Section 1 5 page 15 1 13 2 2 Fan Connectors Table 14 summarizes the function operation of the fan connectors 36 Table 14 Fan Connector Function Operation Connector Processor fan Front chassis fan Rear chassis fan Description 12 V DC connection for a processor fan or active fan heatsink Fan is on in the SO or S1 state Fan is off when the system is off or in the S3 S4 or S5 state Option to wire the fan tachometer input to the I O controller or the Hardware Monitoring and Fan Control ASIC 12 V DC connection for a system or chassis fan Fan is on in the SO or S1 state Fan is off when the system is off or in the S3 S4 or S5 state Option to wire the fan tachometer input to the Hardware Monitoring and Fan Control ASIC 12 V DC connection for a system or chassis fan Fan is on in the SO or S1 state Fan is off when the system is off or in the S3 S4 or S5 state Option to w
13. API Double Data Rate DDR SDRAM Specification Design Specification for a 184 Pin DDR Unbuffered DIMM Intel JEDEC DDR 200 266 Unbuffered DIMM Specification Addendum Revision 2 2 September 2000 Intel Corporation Version 1 0b February 08 1999 Intel Corporation Microsoft Corporation and Toshiba Corporation Version 1 03 June 20 2001 DMTF Intel Corporation Revision 3 February 29 2000 Contact T13 Chair Seagate Technology Version 2 03 December 1998 Intel Corporation Version 1 2 August 2000 Intel Corporation Version 1 0 August 4 1999 Intel Corporation Version 1 0 June 2000 JEDEC Solid State Technology Association Revision 1 0 October 2001 JEDEC Solid State Technology Association Revision 0 9 September 27 2001 Intel Corporation Product Description The information is available from ftp download intel com labs media audio download ac97r2 2 pdf http www acpi info spec10b htm http www dmtf org standards documents ASF DSP0114 pd f http www t13 or http www formfactors org de veloper specs atx atxspecs ht m http www formfactors org de veloper specs atx atxspecs ht m http www intel com labs man age wfm wfmspecs htm http www jedec org http www jedec org http developer intel com tech nology memory index htm continued Intel Desktop Board D845GVFN Technical Product Specification
14. ATAPI CD ROM and front panel audio Fans Power Add in boards PCI IDE Diskette drive Chassis intrusion optional External I O connectors see page 52 Serial Port B optional Auxiliary front panel power sleep LED Front panel power sleep LED power switch hard drive activity LED reset switch and auxiliary front panel power LED Front panel USB one connector for two ports NOTE When installing the board in a microATX chassis make sure that peripheral devices are installed at least 1 5 inches above the main power connector the diskette drive connector the IDE connector and the DIMM sockets 45 Intel Desktop Board D845GVFN Technical Product Specification 2 8 1 Back Panel Connectors Figure 4 shows the location of the back panel connectors The back panel connectors are color coded in compliance with PC 99 recommendations The figure legend below lists the colors used 46 D OO0O0000000000 O OO0O0000000000 ltem Description A PS 2 mouse port PS 2 keyboard port Serial port A Parallel port VGA LAN optional USB ports Audio line in Mic in CG Com m OO D Audio line out OM17298 Color Green Purple Teal Burgundy Dark blue Black Black Light blue Pink Lime green Figure 4 Back Panel Connectors Technical Reference SE IN
15. EE 19 1 8 Intel 845 WAPA skate 21 E EE 28 1 10 Audio Subsystem aa SR 29 1 11 LAN Subsystem OplONAl EE 30 1 12 Hardware Management Subsystem Optional 31 1 13 Power Management EE 32 Intel Desktop Board D845GVFN Technical Product Specification 1 1 Overview 1 1 1 Feature Summary Table 1 summarizes the major features of the Intel Desktop Board D845G VEN Table 1 Feature Summary Form Factor microATX 9 20 inches by 8 20 inches 233 68 millimeters by 208 28 millimeters Processor e Support for an Intel Pentium 4 processor in an mPGA478 socket with a 400 533 MHz system bus e Support for an Intel Celeron processor in an mPGA478 socket with a 400 MHz system bus Memory e Two 184 pin DDR SDRAM Dual Inline Memory Module DIMM sockets e Support for single sided or double sided DIMMs DDR333 266 200 e Support for up to 2 GB system memory Chipset Intel 845GV Chipset consisting of e Intel 82845GV Graphics and Memory Controller Hub GMCH e Intel 82801DB I O Controller Hub CHA e 3 Mbit Firmware Hub FWH Video Intel Extreme Graphics controller Audio Audio subsystem for AC 97 processing using the Realtek ALC202A codec UO Control SMSC LPC47M172 LPC Bus I O controller or National Semiconductor PC87372 LPC Bus I O controller USB Support for USB 2 0 devices Peripheral e Up to four USB ports Interfaces e One serial port e One parallel port e Two IDE interfaces with UDMA 33 ATA 66 100 support e One diskette dr
16. May 5 1994 wdev tech PnP default asp Compaq Computer Corporation Phoenix Technologies Limited and Intel Corporation PXE Preboot Execution Version 2 1 ftp download intel com lab Environment September 20 1999 s manage wfm download Intel Corporation pxespec pdf SFX SFX SFX12V Power Version 2 0 http www formfactors org Supply Design Guide May 2001 developer specs sfx sfx12v Intel Corporation pdf continued 16 Product Description Table 3 Specifications continued Reference Specification Version Revision Date The information is Name Title and Ownership available from SMBIOS System Management Version 2 3 1 http www dmtf org downlo BIOS March 16 1999 ad standards DSP0119 pdf American Megatrends Incorporated Award Software International Incorporated Compaq Computer Corporation Dell Computer Corporation Hewlett Packard Company Intel Corporation International Business Machines Corporation Phoenix Technologies Limited and SystemSoft Corporation TFX12V TFX12V Power Supply Revision 1 01 http www formfactors org Design Guide May 2002 developer specs tfx12v tfx1 Intel Corporation 2v psdg 101 pdf UHCI Universal Host Controller Revision 1 1 http developer intel com d Interface Design Guide March 1996 esign USB UHCI 11D htm Intel Corporation USB Universal Serial Bus Revision 2 0 http www usb org develop Specification April 27 2000 ers docs html Compaq Computer Corporation
17. RJ 45 LAN connector Table 10 describes the LED states when the desktop board is powered up and the LAN subsystem is operating Table 10 LAN Connector LED States LED Color LED State Condition Green 10 Mbit sec data rate is selected 100 Mbit sec data rate is selected Yellow LAN link is not established LAN link is established The computer is communicating with another computer on the LAN steady state On brighter and pulsing 1 11 3 LAN Subsystem Software LAN software and drivers are available from Intel s World Wide Web site On On n For information about Refer to Obtaining LAN software and drivers Section 1 3 page 14 1 12 Hardware Management Subsystem Optional The hardware management features enable the boards to be compatible with the Wired for Management WfM specification The board has several hardware management features including the following e Fan monitoring through the I O controller or the hardware monitoring and fan control ASIC e Thermal and voltage monitoring e Chassis intrusion detection For information about Refer to The WiM specification Section 1 5 page 15 1 12 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
18. la classe B est conforme a la norme NMB 003 du Canada 2 15 3 European Union Declaration of Conformity Statement We Intel Corporation declare under our sole responsibility that the product Intel Desktop Board D845GVEN 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 2 15 4 Product Ecology Statements The following information is provided to address worldwide product ecology concerns and regulations 65 Intel Desktop Board D845GVFN Technical Product Specification 2 15 4 1 Disposal Considerations This product contains the following materials that may be regulated upon disposal lead solder on the printed wiring board assembly 2 15 4 2 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 w
19. reset If power on go to check point 4Eh 4C Memory below 1M cleared SOFT RESET Going to clear memory above 1M 4D Memory above 1M cleared SOFT RESET Going to save the memory size Go to check point 52h 4E Memory test started NOT SOFT RESET About to display the first 64k memory size 4F Memory size display started This will be updated during memory test Going for sequential and random memory test 50 Memory testing initialization below 1M complete Going to adjust displayed memory size for relocation shadow 51 Memory size display adjusted due to relocation shadow Memory test above 1M to follow 52 Memory testing initialization above 1M complete Going to save memory size information 53 Memory size information is saved CPU registers are saved Going to enter in real mode 54 Shutdown successful CPU in real mode Going to disable gate A20 line and disable parity NMI 57 A20 address line parity NMI disable successful Going to adjust memory size depending on relocation shadow 58 Memory size adjusted for relocation shadow Going to clear Hit lt DEL gt message 59 Hit lt DEL gt message cleared lt WAIT gt message displayed About to start DMA and interrupt controller test 60 DMA page register test passed To do DMA 1 base register test 62 DMA 1 base register test passed To do DMA 2 base register test 65 DMA 2 base register test passed To program DMA unit 1 and 2 66 DMA unit 1 and 2 programming over
20. 3 ICH4 USB 2 0 EHCI controller PCI bus connector 1 PCI bus connector 2 PCI bus connector 3 da NOTE 44 In PIC mode the ICH4 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 PIRQ line will have a unique interrupt However in certain interrupt constrained situations it is possible for two or more of the PIRQ lines to be connected to the same IRQ signal Refer to Table 19 for the allocation of PIRQ lines to IRQ signals in APIC mode Technical Reference 2 8 Connectors A CAUTION Only the back panel USB front panel USB VGA and PS 2 connectors have overcurrent protection The desktop boards internal connectors are not overcurrent protected and should connect only to devices inside the computer e chassis such as fans and internal peripherals Do not use these connectors to power devices external to the computer e chassis A fault in the load presented by the external devices could cause damage to the computer the interconnecting cable and the external devices themselves This section describes the board s connectors The connectors can be divided into these groups lt a Back panel I O connectors see page 46 PS 2 keyboard and mouse USB two ports Parallel port Serial port A VGA port LAN optional Audio line out line in and mic in Internal I O connectors see page 47 Audio auxiliary line input
21. API style connector connects an internal ATAPI CD ROM drive to the audio mixer For information about Refer to The location of the ATAPI CD ROM connector Figure 5 page 48 The signal names of the ATAPI CD ROM connector Table 23 page 49 1 10 2 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 3 page 14 1 11 LAN Subsystem Optional The Network Interface Controller subsystem consists of the ICH4 with integrated LAN Media Access Controller and a physical layer interface device Features of the LAN subsystem include e PCI Bus Master interface e CSMA CD Protocol Engine e Serial CSMA CD unit interface that supports the 82562ET 10 100 Mbit sec Ethernet e PCI Power Management Supports ACPI technology Supports LAN wake capabilities 1 11 1 Intel 82562ET Platform LAN Connect Device The Intel 82562ET component provides an interface to the back panel RJ 45 connector with integrated LEDs The Intel 82562ET provides the following functions e Basic 10 100 Ethernet LAN connectivity e Supports RJ 45 connector with status indicator LEDs on the back panel e Full device driver compatibility e ACPI support e Programmable transit threshold e Configuration EEPROM that contains the MAC address 30 Product Description 1 11 2 RJ 45 LAN Connector with Integrated LEDs Two LEDs are built into the
22. CMOS Checksum Bad CMOS Settings Wrong CMOS Date Time Not Set Explanation An error occurred with Gate A20 when switching to protected mode during the memory test Could not read sector from corresponding drive Corresponding drive in not an ATAPI device Run Setup to make sure device is selected correctly No response from diskette drive An error occurred when testing L2 cache Cache memory may be bad The battery may be losing power Replace the battery soon The display type is different than what has been stored in CMOS Check Setup to make sure type is correct The CMOS checksum is incorrect CMOS memory may have been corrupted Run Setup to reset values CMOS values are not the same as the last boot These values have either been corrupted or the battery has failed The time and or date values stored in CMOS are invalid Run Setup to set correct values DMA Error Error during read write test of DMA controller FDC Failure Error occurred trying to access diskette drive controller HDC Failure Error occurred trying to access hard disk controller continued 75 Intel Desktop Board D845GVFN Technical Product Specification Table 48 BIOS Error Messages continued Error Message Explanation Checking NVRAM NVRAM is being checked to see if it is valid Update OK NVRAM was invalid and has been updated Updated Failed NVRAM was invalid but was unable to be updated Keyboard Error Error in the keyboa
23. Class B requirements even if no device is attached to the cable Use shielded cable that meets the requirements for full speed devices 1 8 3 IDE Interfaces The ICH4 s IDE controller has two independent bus mastering IDE interfaces that can be independently enabled The IDE interfaces support 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 100 DMA protocol on IDE bus allows host and target throttling The ICH4 s ATA 100 logic can achieve transfer rates up to 100 MB sec 26 Product Description SE INTEGRATOR S NOTE ATA 66 and ATA 100 are faster timings and require a specialized cable to reduce reflections noise and inductive coupling The IDE interfaces also support ATAPI devices such as CD ROM drives and ATA devices The BIOS supports 48 bit Logical Block Addressing LBA and Extended Cylinder Head Sector ECHS translation modes The drive reports the transfer rate and translation mode to the BIOS The desktop boards support Laser Servo LS 120 diskette technology through the IDE interfaces The BIO
24. Intel Desktop Board D845GVEN Technical Product Specification August 2004 Order Number C83644 001 The Intel Desktop Board D845GVEN 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 D845GVEN Specification Update Revision History Revision Revision History Date 001 First release of the Intel Desktop Board D845GVFN Technical Product August 2004 Specification This product specification applies to only standard Intel Desktop Board D845GVEN with BIOS identifier FN84510A 86A Changes to this specification will be published in the Intel Desktop Board D845GVFN Specification Update before being incorporated into a revision of this document INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL PRODUCTS 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 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
25. PC47M172 I O controller http Awww smsc com National Semiconductor PC87372 http www national com 1 9 1 Serial Ports The desktop board has two serial port connectors Serial port A is located on the back panel Serial port B optional is accessible using a connector on the component side of the desktop board The serial ports support 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 4 page 46 The location of the optional serial port B connector Figure 7 page 52 1 9 2 Parallel Port The 25 pin D Sub parallel port connector is located on the back panel Use the BIOS Setup program to set the parallel port mode 1 9 3 Diskette Drive Controller The I O controller supports one diskette drive Use the BIOS Setup program to configure the diskette drive interface 1 9 4 Keyboard and Mouse Interface PS 2 keyboard and mouse connectors are located on the back panel SE INTEGRATOR S 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 28 Product Description 1 10 Audio Subsystem The audio subsystem consists of the following devices e Intel 82801DB I O Controller Hub ICH4 e Realtek ALC202A audio codec The audio subsystem includes these features e Signal to no
26. S supports booting from an LS 120 drive da NOTE The BIOS will always recognize an LS 120 drive as an ATAPI floppy drive To ensure correct operation do not configure the drive as a hard disk drive 1 8 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 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 SE INTEGRATOR S NOTE If the battery and AC power fail custom defaults if previously saved will be loaded into CMOS RAM at power on 27 Intel Desktop Board D845GVFN Technical Product Specification 1 9 I O Controller The SMSC LPC47M172 or National Semiconductor PC87372 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 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 power management support The BIOS Setup program provides configuration options for the I O controller For information about Refer to SMSC L
27. TEGRATOR S 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 2 8 2 2 8 2 1 X Internal UO Connectors The internal I O connectors are divided into the following functional groups e Audio power and hardware control see page 48 Front panel audio Auxiliary line in optional ATAPI CD ROM optional Fans 3 ATX12V power Main power Chassis intrusion optional e Add in boards and peripheral interfaces see page 51 PCI bus IDE Diskette drive Expansion Slots The desktop board has three PCI rev 2 2 compliant local bus slots The SMBus is routed to PCI bus connector 2 INTEGRATOR S NOTE This document references back panel slot numbering with respect to processor location on the desktop board PCI slots are identified as PCI slot x starting with the slot closest to the processor The ATX microATX specifications identify expansion slot locations with respect to the far edge of a full sized ATX chassis The ATX specification and the desktop board s silkscreen are opposite and could cause confusion The ATX numbering convention is made without respect to slot type but refers to an actual slot location on a chassis Figure 6 on page 51 illustrates the desktop board s PCI slot numbering 47 Intel Desktop Board D845GVFN Technical Product Specification 2 8 2 2 Audi
28. The Integrator s Toolkit that is available from Intel can be used to create a custom splash screen Ja NOTE If you add a custom splash screen it will share space with the Intel branded logo Refer to For information about The Intel World Wide Web site Section 1 3 page 14 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 For information about Refer to The El Torito specification Section 1 5 page 15 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 automatically forces boot from the LAN 71 Intel Desktop Board D845GVFN Technical Product Specification 3 7 3 Booting Without Attached Devices For use in embedded applications the BIOS has been designed s
29. To initialize 8259 interrupt controller 7F Extended NMI sources enabling is in progress 80 Keyboard test started Clearing output buffer checking for stuck key to issue keyboard reset command 81 Keyboard reset error stuck key found To issue keyboard controller interface test command 82 Keyboard controller interface test over To write command byte and init circular buffer 83 Command byte written global data init done To check for lock key continued 79 Intel Desktop Board D845GVFN Technical Product Specification 80 Table 51 Code 84 85 86 87 88 89 8B 8C 8D 8F 91 95 96 97 98 99 9A 9B 9C 9D 9E A2 A3 A4 A5 A7 A8 A9 AA AB AC AD Runtime Code Uncompressed in F000 Shadow RAM continued Description of POST Operation Lock key checking over To check for memory size mismatch with CMOS Memory size check done To display soft error and check for password or bypass setup Password checked About to do programming before setup Programming before setup complete To uncompress SETUP code and execute CMOS setup Returned from CMOS setup program and screen is cleared About to do programming after setup Programming after setup complete Going to display power on screen message First screen message displayed lt WAIT gt message displayed PS 2 Mouse check and extended BIOS data area allocation to be done Setup options programming after CMOS setup about to start Going for ha
30. Use only ATX12V SFX12V or TFX12V compliant power supplies with this board ATX12V SFX12V and TFX12V power supplies have an additional power lead that provides required supplemental power for the processor Always connect the 20 pin and 4 pin leads of ATX 12V SFX12V and TFX12V power supplies to the corresponding connectors on the desktop board otherwise the desktop board will not boot e Do not use a standard ATX power supply The desktop board will not boot with a standard ATX power supply Table 24 ATX12V Power Connector Pin Signal Name Signal Name 1 Ground Ground 49 Intel Desktop Board D845GVFN Technical Product Specification Table 25 Table 26 Table 27 Table 29 50 Rear Chassis Fan Connector Signal Name Ground default or FNT_REAR_FAN_CTRL optional 12 V No connect default or REAR TACH OUT optional Processor Fan Connector Signal Name Ground default or CPU FAN CTRL optional 12 V No connect default or CPU FAN TACH Main Power Connector Signal Name Pin 3 3 V 11 3 3 V 12 Ground 13 5 V 14 Ground 15 5 V 16 Ground 17 PWRGD Power Good 18 5 V Standby 19 12 V 20 Front Chassis Fan Connector Signal Name Ground default or FNT_REAR_FAN_CTRL optional 12 V No connect default or FRONT_FAN_TACH optional Chassis Intrusion Connector Optional Signal Name Intruder Ground Signal Name 3 3 V 12 V Ground PS ON
31. al Table 40 lists the environmental specifications for the Desktop Board D845GVEN Table 40 Desktop Board D845GVFN Environmental Specifications Parameter Specification Temperature Non Operating 40 C to 70 C Operating 0 C to 55 C Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches second Packaged Half sine 2 millisecond Velocity Change inches sec Vibration Unpackaged 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 Packaged 10 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 63 Intel Desktop Board D845GVFN Technical Product Specification 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 41 lists the safety regulations the Desktop Board D845GVEN complies with when correctly installed in a compatible host system Table 41 Safety Regulations Regulation UL 60950 3rd ed 2000 CSA C22 2 No 60950 00 EN 60950 2000 IEC 60950 3 Edition 1999 2 15 2 EMC Regulations Title Bi National Standard for Safety of Information Technology Equipment including Electrical Business Equipment USA and Canada The Standard for Safety of Information Technology Equipment including Electrical Business Equipment European Union The Standard for Safety of Informa
32. and mounting holes are in compliance with the ATX specification SE INTEGRATOR S NOTE When installing the desktop board in a microATX chassis make sure that peripheral devices are installed at least 1 5 inches above the main power connector the diskette drive connector the IDE connector and the DIMM sockets 800 20 32 GE DE SNE 165 10 del Teto 6 10 154 94 5 20 SS 132 08 NE EEE SE EE NE 1 Io o i i i I I if I I le ji I I r I 1 0 ol A a a a d H 0 00 p D 1700 UDS 42 5 ES 229 87 150 2 600 8 800 3 81 325 66 04 223 52 OM17303 Figure 11 Desktop Board Dimensions 58 2 10 1 I O Shield Technical Reference The back panel I O shield for the Desktop Board D845GVEN must meet specific dimension and material requirements Systems based on this desktop board need the back panel I O shield to pass emissions EMI certification testing Figure 12 shows the critical dimensions of the I O shield Dimensions are given in inches millimeters to a tolerance of 0 020 inches 0 508 millimeters The figures also indicate the position of each cutout Additional design considerations for I O shields rela
33. ash screens Audio software and utilities LAN software and drivers Visit this World Wide Web site http www intel com design motherbd http support intel com support motherboards desktop http developer intel com design motherbd fn fn_available htm http www intel com design litcentr http developer intel com design chipsets datashts http intel com design motherbd gen indx htm http www intel com design motherbd http www intel com design motherbd 1 4 Operating System Support The Desktop Board D845GVEN supports drivers for all of the onboard hardware and subsystems under the following operating systems e Windows XP e Windows ME e Windows 2000 e Microsoft Windows 98 SE For information about Supported drivers da NOTE Third party vendors may offer other drivers Refer to Section 1 3 1 5 Design Specifications Table 3 lists the specifications applicable to the Desktop Board D845GVEN Table 3 Reference Name AC 97 ACPI ASF ATA ATAPI 5 ATX ATX12V BIS DDR SDRAM Specifications Specification Version Revision Date Title and Ownership Audio Codec 97 Advanced Configuration and Power Interface Specification Alert Standard Format ASF Specification Information Technology AT Attachment with Packet Interface 5 ATA ATAPI 5 ATX Specification ATX ATX12V Power Supply Design Guide Boot Integrity Services BIS Application Programming Interface
34. ation Space Map Bus Number hex 00 00 00 00 00 00 00 00 00 00 00 00 01 01 01 01 Function Number hex Number hex Description O Memory controller of Intel 82845GV component SS Intel Extreme Graphics Controller Hub link to PCI bridge EE EE Intel 82801DB ICH4 PCI to LPC bridge IDE controller Ge AC 97 modem controller optional USB UHCI controller 2 M iD 02 USB UHCI controller 3 Op for EHCI controller 08 00 LAN controller optional oo 00 PCI bus connector 1 foi fs es PCI bus connector 2 02 ees PCI bus connector 3 41 Intel Desktop Board D845GVFN Technical Product Specification 2 6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller PIC or the Advanced Programmable Interrupt Controller APIC portion of the ICH4 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 19 Interrupts IRQ System Resource NMI I O channel check 0 Reserved interval timer 1 Reserved keyboard buffer full 2 Reserved cascade interrupt from slave PIC 3 COM2 Note 1 4 COM1 Note 1 5 LPT2 Plug and Play option User available 6 Diskette drive 7 LPT1 Note 1 8 Real time clock 9 Reserved for ICH4 system management bus 10 User available 11 User available 12 Onboard mouse port if present else user availabl
35. ce must accept any interference received including interference that may cause undesired operation This equipment 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 2 15 2 2 Canadian Compliance Statement This Class B digital apparatus complies with Canadian ICES 003 Cet appereil num rique de
36. 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 subsystems 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 37 DC Loading Characteristics DC Current at DC Power 5 V 12 V 12 V 2 11 2 Add in Board Considerations The Desktop Board D845GVEN is designed to provide 2 A average of 5 V current for each add in board The total 5 V current draw for add in boards for a fully loaded Desktop Board D845GVEN all three expansion slots filled must not exceed 6 A Mode Minimum loading Maximum loading 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 38 lists the current capability of the fan connectors on the Desktop Board D845GVEN Table 38 Fan Connecto
37. d BIOS Boot 73 3 8 1 Peripheral Selection and Configuration cccccscceeeeseeeeeeeeeeceeeeeeseneeeteneaes 73 3 8 2 Intel Rapid BIOS BOO tito 73 3 9 BIOS S c rity FEAT rea 74 Contents 4 Error Messages and Beep Codes 4 1 BIOS Error MESS EE 75 42 Por 80h POST ee EE 77 4 3 Bus Initialization Checkpoints coscstejccestedanset case ccanetsdtadovesetieoseagadetne unne eli 81 44 Pad 82 25 BIOS Beep CodeS eegene NG eet eee nese ee a E a 82 Figures 1 Desktop Board D845GVFN Components rrrrnrnnnnnvnnnrnvnrrnnnenrrrrnnnnrrrrrrnnnennvrnnnrnnnvnnnenn 12 Pe A a a a a a AEA TRE 13 3 Location of the Standby Power Indicator LED on the D845GVFN Board 38 4 Back Panel CONneELlO IS airada 46 5 Audio Power and Hardware Control Connectors cccoooccccccnnccncnnnnccnnnnnncnnnnnonacino nana 48 6 Add in Board and Peripheral Interface Connectors cccccnnnnoconccncnnnnnncnnonanononnnnnnncnnnnnos 51 Ze External UO Connections 52 8 Connection Diagram for Front Panel Connector asarrrrrrrannvvrvnnnnnnvrnnnrnnnrnnnrnrrnrrnnrrennn 53 9 Connection Diagram for Front Panel USB Connector rrnrnnrvnnnnrrrrvrvrnnnnrnnnerrrrerrnnnnnn 55 10 Location of the Jumper EE 56 11 Desktop Bo rd DIMENSIONS EE 58 12 VO Shield DIMENSIONS EE 59 13 Localized High Temperature Zones e comicios sentenctenned vere vm ed 62 Tables de Feature SUMMA EEN 10 2 Manufacturing Options suse 11 O 15 4 Supported System Bus Frequency and Memory Spe
38. d to that of the Slowest device lt j 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 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 69 Intel Desktop Board D845GVFN Technical Product Specification Non Plug and Play operating systems such as Windows NT 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 app
39. dition software drivers and peripherals must fully support ACPI wake events 1 13 2 Hardware Support A 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 Desktop Board D845GVEN 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 LAN wake capabilities and Instantly Available PC technology require power from the 5 V standby line The sections discussing these features describe the incremental standby power requirements for each 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 lt j 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 35 Intel Desktop Board D845GVFN Technical Product Specification 1 13 2 1 Power Connector ATX12V SFX12V and TFX12V compliant power supplies can turn off the system power through system control When an
40. 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 products are not intended for use in medical life saving or life sustaining applications or for any other application in which the failure of the Intel product could create a situation where personal injury or death may occur Intel may make changes to specifications product descriptions and plans at any time without notice The Intel Desktop Board D845GVFN may contain design defects or errors known as errata that may cause the product to deviate from published specifications Current characterized errata are available on request Contact your local Intel sales office or 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 2004 Intel Corpora
41. e 13 Reserved math coprocessor 14 Primary IDE if present else user available 15 Secondary IDE if present else user available 16 Note 2 USB UHCI controller 1 through PIRQA 17 Note 2 AC 97 audio modem User available through PIRQB 18 Note 2 ICH4 USB controller 3 through PIRQC 19 Note 2 ICH4 USB controller 2 through PIRQD 20 Note 2 ICH4 LAN optional through PIRQE 21 Note 2 User available through PIRQF 22 Note 2 User available through PIRQG 23 Note 2 ICH4 USB 2 0 EHCI controller User available through PIRQH Notes 1 Default but can be changed to another IRQ 2 Available in APIC mode only 42 Technical Reference 2 7 PCI Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI bus connectors and onboard PCI devices The PCI specification specifies how interrupts can be shared between devices attached to the PCI 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 device should not share an interrupt with other PCI devices Use the following information to avoid sharing an interrupt with a PCI add in card PCI 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 categor
42. e Display memory R W test passed To look for the alternate display retrace checking Video display checking over Display mode to be set next Display mode set Going to display the power on message Different buses init input IPL general devices to start if present See Section 4 3 for details of different buses Display different buses initialization error messages See Section 4 3 for details of different buses New cursor position read and saved To display the Hit lt DEL gt message continued Error Messages and Beep Codes Table 51 Runtime Code Uncompressed in F000 Shadow RAM continued Code Description of POST Operation 40 To prepare the descriptor tables 42 To enter in virtual mode for memory test 43 To enable interrupts for diagnostics mode 44 To initialize data to check memory wrap around at 0 0 45 Data initialized Going to check for memory wrap around at 0 0 and finding the total system memory size 46 Memory wrap around test done Memory size calculation over About to go for writing patterns to test memory 47 Pattern to be tested written in extended memory Going to write patterns in base 640k memory 48 Patterns written in base memory Going to find out amount of memory below 1M memory 49 Amount of memory below 1M found and verified Going to find out amount of memory above 1M memory 4B Amount of memory above 1M found and verified Check for soft reset and going to clear memory below 1M for soft
43. e graphics subsystem Table 7 Video BIOS Video Modes Supported for Analog CRTs zent D P Resolution Color Palette Frequencies Hz Notes 320 x 200 16 colors 70 640 x 480 16 colors 60 64 K colors 60 75 85 16 M colors 1056 x 350 1056 x 400 1056 x 480 1600 x 1200 256 colors 60 75 85 Notes T Text mode G Graphics mode B Banked addressing mode L Linear addressing mode 23 Intel Desktop Board D845GVFN Technical Product Specification 24 Table 8 lists the supported configuration modes of the graphics subsystem Table 8 Resolution 640 x 480 800 x 600 1024 x 768 1024 x 768 1152 x 864 1152 x 864 1280 x 720 1280 x 720 1280 x 768 1280 x 960 1280 x 960 1280 x 1024 1280 x 1024 1280 x 1024 1280 x 1024 1400 x 1050 1600 x 900 1600 x 900 1600 x 900 1600 x 1200 1600 x 1200 1856 x 1392 1920 x 1080 1920 x 1080 1920 x 1200 1920 x 1440 2048 x 1536 Available Refresh Frequencies Hz 60 72 75 85 100 120 60 72 75 85 100 120 60 70 75 85 100 60 75 85 60 75 85 Reduced blanking 60 75 8 7 85 100 6 75 85 75 85 100 5 5 0 Supported Configuration Modes Supported bpp Configuration Mode see Table 9 for more information wiol WO WO RL WO WO RL WO RIED OD WO RIE OD TO OD OD O OD al DM al OI ae Product Description Table 9 describes the bpp configuration mode values referenced in Table 8 In Table 9 assume that for eac
44. e of the Advanced Menu in the IDE Configuration Submenu of the BIOS Setup program 73 Intel Desktop Board D845GVFN Technical Product Specification 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 password to boot the computer Table 47 shows the effects of setting the supervisor password and user pass
45. ed Combinations 19 5 Supported DDR DIMM Configurations nu anmode D sen ER deeg 20 6 Direct Draw ee ele E Me EE 22 7 Video BIOS Video Modes Supported for Analog CATS ococccnnoccccnononcccnnonncnccccnanannincnnns 23 8 Supported Configuration Modes AAA 24 9 Details of bpp Configuration Modes AAA 25 10 LAN Connector LED States eeh Ee EE 31 11 Effects of Pressing the Power Switch ENNEN 33 12 Power States and Targeted System Power 34 13 Wake up Devices and EE 34 14 Fan Connector Function Opera 36 15 System Memory Map escocia 39 16 MOM ia 40 17 DMA Chama iii in 41 18 PCI Configuration Space Map aiii at 41 de oaa OEE E A E AE A E A AS 42 20 PCI Interrupt Routing Map is 44 21 Front Panel Audio COME dida 49 22 Auxiliary Line In Connector Optional Lukten dnaandmmtedd uke 49 23 ATAPI CD ROM Connector Optional coil cae 49 24 ATX12V Power Connector icono cien 49 25 Rear Chassis Fan Connector EEN 50 vii Intel Desktop Board D845GVFN Technical Product Specification viii Processor Fan Connector E EE 50 Main Power Re Lee 50 Front Chassis Fan GONGEN egen eEugedeged ged cine anindacesdivapedeecegersnedandaceneceuedetaneannds 50 Chassis Intrusion Connector Optional acia ca A n eege 50 Serial Port B Connector ee e EE 52 Auxiliary Front Panel Power Sleep LED Connector arrrrrrnnnnnvrrrnnnnnvrrnnnnnnnrnnnnrnnnvnnennr 53 Fr nt Panel Connector esoe in 53 States for a One Color Powe
46. ed to a front panel momentary contact power switch The switch must pull the SW ONS 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 Desktop Board D845GVEN At least two seconds must pass before the power supply will recognize another on off signal 54 Technical Reference 2 8 3 3 Front Panel USB Connector Figure 9 is a connection diagram for the front panel USB connector S 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 Power p Power 5 V DC E 5 V DC One D ll 3 4 A D One USB S H USB Port D 6 D Port Ground 7 al Ground Key no pin No Connect OM15963 Figure 9 Connection Diagram for Front Panel USB Connector 55 Intel Desktop Board D845GVFN Technical Product Specification 2 9 Jumper Blocks A CAUTION Do not move any jumpers with the power on Always turn off the power and unplug the power cord from the computer before changing a jumper setting Otherwise the desktop board could be damaged Figure 10 shows the location of the jumper blocks
47. em s installation instructions 3 6 BIOS Updates 70 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 Verifying that the updated BIOS matches the target system to prevent accidentally installing an incompatible BIOS Overview of BIOS Features lt j 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 3 page 14 3 6 1 Language Support The BIOS Setup program and help messages are supported in five languages US English German Italian French and Spanish The default language is US English which is present unless another language is selected in the BIOS Setup program 3 6 2 Custom Splash Screen During POST an Intel splash screen is displayed by default This splash screen can be replaced with a custom splash screen
48. er BAT to be done next Keyboard command byte to be written Going to issue Pin 23 24 blocking unblocking command Going to check pressing of lt INS gt lt END gt key during power on To init CMOS if Init CMOS in every boot is set or lt END gt key is pressed Going to disable DMA and Interrupt controllers Video display is disabled and port B is initialized Chipset init about to begin 8254 timer test about to start About to start memory refresh test Memory Refresh line is toggling Going to check 15 us ON OFF time To read 8042 input port and disable Megakey GreenPC feature Make BIOS code segment writeable To do any setup before Int vector init Interrupt vector initialization to begin To clear password if necessary Any initialization before setting video mode to be done Going for monochrome mode and color mode setting Different buses init system static output devices to start if present See Section 4 3 for details of different buses To give control for any setup required before optional video ROM check To look for optional video ROM and give control To give control to do any processing after video ROM returns control If EGA VGA not found then do display memory R W test EGA VGA not found Display memory R W test about to begin Display memory R W test passed About to look for the retrace checking Display memory R W test or retrace checking failed To do alternate Display memory R W test Alternat
49. erformance targets for Pentium 4 processors operating above 2 80 GHz 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 desktop 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 responsibility 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 desktop 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 61 Intel Desktop Board D845GVFN Technical Product Specification A CAUTION 62 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 13 can reach a temperature of up to 85 C in an open chassis Figure 13 shows the locations of the localized high temperature zones
50. ess 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 Intel Rapid BIOS Boot 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 e Enabled Intel Rapid BIOS Boot This feature bypasses memory count and the search for a diskette drive 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 da 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 this condition should occur it is possible to introduce a programmable delay ranging from three to 30 seconds using the Hard Disk Pre Delay featur
51. et O 1M s0 OM17297 Figure 3 Location of the Standby Power Indicator LED on the D845GVFN Board 1 13 2 6 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 13 2 7 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states lt NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB 1 13 2 8 Wake from PS 2 Devices PS 2 device activity wakes the computer from an ACPI S1 or S3 state 1 13 2 9 PME Signal Wake up Support When the PME signal on the PCI bus is asserted the computer wakes from an ACPI S1 S3 S4 or S5 state with Wake on PME enabled in BIOS 38 2 Technical Reference What This Chapter Contains 2 1 2 2 2 3 2 4 2 11 2 12 2 13 2 14 2 15 INTFOCUCHO Mrs Zeen EE 39 Memory Ma ae aar 39 FLERE EEE EE NE dd 40 Bleu 41 PChContiquration Space EE 41 Interrupts arms da 42 PCI Interrupt Routing Map caninas 43 el neie 45 Jumper EE 56 Mechanical Considerations cocconocccnccnnncccnnnnncncnnnananononocanano nan cnn nono nono nn nano nn nana nannnnnnos 58 Electrical ConsideratiONS ascii dd minde 60 Thermal Considerations aa a a nono conocio a a a nono nano no
52. fication 1 1 3 Board Layout Figure 1 shows the location of the major components on the Desktop Board D845GVEN A BCD E U el Lann BB E E a Ss SIHF Jo H pe EN SE 1 oO og I AA i i 7 1 i Z O oi Vi enee eer Du ve ee eel 1 5 J Y O OI FK A L W J CH VUT S RQ P O N M OM17296 Item Description Item Description A Audio codec O Diskette drive connector B Intel 82562ET 10 100 Mbit sec PLC device P IDE connectors optional C Auxiliary line in connector optional Q Speaker D ATAPI CD ROM connector optional R Battery E Back panel connectors S Auxiliary front panel power LED connector F 12V power connector ATX12V T Front chassis fan connector G Rear chassis fan connector U Chassis intrusion connector optional H Intel 82845GV GMCH V BIOS Setup configuration jumper block l mPGA478 processor socket W 3 Mbit Firmware Hub FWH J Processor fan connector X Front panel connector K DIMM sockets Y Front panel USB connector L Serial Port B connector optional Z Intel 82801DB UO Controller Hub CHA M I O Controller AA PCI bus add in card connectors N Power connector BB Front panel audio connector Figure 1 De
53. gure 1 on page 12 4 5 BIOS Beep Codes 82 Whenever a recoverable error occurs during POST the BIOS displays an error message describing the problem see Table 55 The BIOS also issues a beep code one long tone followed by two short tones during POST if the video configuration fails a faulty video card or no card installed or if an external ROM module does not properly checksum to zero An external ROM module for example a video BIOS can also issue audible errors usually consisting of one long tone followed by a series of short tones For more information on the beep codes issued check the documentation for that external device There are several POST routines that issue a POST terminal error and shut down the system if they fail Before shutting down the system the terminal error handler issues a beep code signifying the test point error writes the error to I O port 80h attempts to initialize the video and writes the error in the upper left corner of the screen using both monochrome and color adapters Error Messages and Beep Codes If POST completes normally the BIOS issues one short beep before passing control to the operating system Table 55 Beep Codes Beep Description Refresh failure Parity cannot be reset First 64 KB memory failure Timer not operational Not used 8042 GateA20 cannot be toggled Exception interrupt error Display memory R W error Not used CMOS Shutdown register test error Invalid BIOS
54. h configuration mode number the features of all lower numbers are also supported For example if the supported configuration mode is 4 then modes 1 through 3 are also supported DVD consists of both the overlay engine as well as the MPEG decoding both are necessary for DVD playback Table 9 Details of bpp Configuration Modes Configuration Mode Number Description 32 bpp 16 M colors with DVD Overlay MPEG decode On 16 bpp 64 K colors with DVD On 32 bpp 16 M colors with DVD Off 16 bpp 64 K colors with DVD Off 8 bpp 256 colors with DVD On 8 bpp 256 colors with DVD off N Oo AJ a Oo For information about Refer to Obtaining graphics software and utilities Section 1 3 page 14 1 8 1 1 Dynamic Video Memory Technology DVMT 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 up to 64 MB for maximum 2 D 3 D graphics performance DVMT uses a 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 the buffers needed for performing graphics functions da NOTE The use of DVMT requires operating system driver support For information about Refer to Obtaining the DVMT white paper http developer intel com design chi
55. he POST card can decode the port and display the contents on a medium such as a seven segment display lt a NOTE The POST card must be installed in PCI bus connector 1 The tables below offer descriptions of the POST codes generated by the BIOS Table 49 defines the uncompressed INIT code checkpoints Table 50 describes the boot block recovery code checkpoints and Table 51 lists the runtime code uncompressed in F000 shadow RAM Some codes are repeated in the tables because that code applies to more than one operation Table 49 Uncompressed INIT Code Checkpoints Code Description of POST Operation DO NMI is Disabled Onboard KBC RTC enabled if present Init code Checksum verification starting D1 Keyboard controller BAT test CPU ID saved and going to 4 GB flat mode D3 Do necessary chipset initialization start memory refresh and do memory sizing D4 Verify base memory D5 Init code to be copied to segment 0 and control to be transferred to segment 0 D6 Control is in segment 0 To check recovery mode and verify main BIOS checksum If either it is recovery mode or main BIOS checksum is bad go to check point EO for recovery else go to check point D7 for giving control to main BIOS D7 Find Main BIOS module in ROM image D8 Uncompress the main BIOS module D9 Copy main BIOS image to F000 shadow RAM and give control to main BIOS in F000 shadow RAM Table 50 Boot Block Recovery Code Checkpoints Code Description of POST Operati
56. ire the fan tachometer input to the I O controller or the Hardware Monitoring and Fan Control ASIC Product Description 1 13 2 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 subsystem PCI bus 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 bus PME signal for PCI 2 2 compliant LAN designs e The onboard LAN subsystem 1 13 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 col
57. ise ratio gt 90 dB e Supports wake events driver dependent e Mic in pre amp that supports dynamic condenser and electret microphones The audio subsystem supports the following audio interfaces e Optional ATAPI style connectors Auxiliary line in CD ROM e Front panel audio connector including pins for Line out Mic in e Back panel audio connectors Line out Line in Mic in 1 10 1 Audio Connectors 1 10 1 1 Front Panel Audio Connector A 2 x 5 pin connector provides mic in and line out signals for front panel audio connectors For information about Refer to The location of the connector Figure 5 page 48 The signal names of the front panel audio connector Table 21 page 49 Obtaining the Front Panel I O Connectivity Design Guide Section 1 5 page 15 dal NOTE The front panel audio connector is alternately used as a jumper block for routing audio signals Refer to Section 2 9 1 on page 56 for more information 1 10 1 2 Auxiliary Line In Connector Optional An optional 1 x 4 pin ATAPI style connector connects the left and right channel signals of an internal audio device to the audio subsystem For information about Refer to The location of the auxiliary line in connector Figure 5 page 48 The signal names of the auxiliary line in connector Table 22 page 49 29 Intel Desktop Board D845GVFN Technical Product Specification 1 10 1 3 ATAPI CD ROM Audio Connector Optional An optional 1 x 4 pin AT
58. itch 7 Reset switch d Single colored Dual colored _ 1 Power LED Power LED KL F hira Hard Drive N D No oe Activity LED ar 7 Z GA Reset Power Switch Switch 5VDC N C OM16110 Figure 8 Connection Diagram for Front Panel Connector 53 Intel Desktop Board D845GVFN Technical Product Specification 2 8 3 2 1 Hard Drive Activity LED Connector Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive For the LED to function properly an IDE drive must be connected to the onboard IDE interface 2 8 3 2 2 Reset Switch Connector Pins 5 and 7 can be connected to a momentary SPST type switch that is normally open When the switch is closed the desktop board resets and runs the POST 2 8 3 2 3 Power Sleep LED Connector Pins 2 and 4 can be connected to a one or two color LED Table 33 shows the possible states for a one color LED Table 34 shows the possible states for a two color LED Table 33 States for a One Color Power LED LED State Description Off Power off sleeping Steady Green Running Table 34 States for a Two Color Power LED LED State Description Off Power off Steady Green Running Steady Yellow Sleeping lt j NOTE The colors listed in Table 33 and Table 34 are suggested colors only Actual LED colors are product or customer specific 2 8 3 2 4 Power Switch Connector Pins 6 and 8 can be connect
59. ith all applicable local environmental regulations 2 15 5 Product Certification Markings Board Level Table 43 lists the board s product certification markings Table 43 Product Certification Markings Description Marking UL joint US Canada Recognized Component mark Includes adjacent 7 UL file number for Intel Desktop Boards E210882 component side C US FCC Declaration of Conformity logo mark for Class B equipment Trade Name Model Number includes Intel name and D845GVFN model designation component C Tested To Comply side With FCC Standards FOR HOME OR OFFICE USE 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 Communications 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 94V 0 unique UL recognized manufacturer s logo along with a flammability rating solder side 66 3 Overview of BIOS Features What This Chapter Contains 3 1 111 06 TL EE 67 3 2 BIOS Flash Memory Organization ENEE 68 3 3 RESOURCE Gonigurahon EE 68 3 4 System Management BIOS SMBIOS EEN 69 30 L60460 USB SUDDOM EE 70 3 6 EE eene EE 70 37 BOOP ee E 71 3 8 Fast Booting Systems with Intel Rapid BIOS Boot
60. ive interface e PS 2 keyboard and mouse ports e Three fan connectors Expansion Three PCI bus add in card connectors SMBus routed to PCI bus connector 2 Capabilities BIOS e Intel AMI BIOS resident in the 3 Mbit FWH e Support for Advanced Configuration and Power Interface ACPI Plug and Play and SMBIOS Instantly Available e Support for PCI Local Bus Specification Revision 2 2 PC Technology e Suspend to RAM support e Wake on PCI RS 232 front panel PS 2 devices and USB ports Product Description 1 1 2 Manufacturing Options Table 2 describes the manufacturing options on the Desktop Board D845GVEN 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 LAN Intel 82562ET 10 100 Mbit sec Platform LAN Connect PLC device Hardware Monitor e Hardware monitoring and fan control ASIC Subsystem e Three fan sense inputs used to monitor fan activity e Chassis intrusion detection Serial Port B e Connector for a second serial port ATAPI style audio Two ATAPI style audio connectors connectors e Auxiliary line input e ATAPI CD DROM For information about Refer to The board s compliance level with ACPI Plug and Play and SMBIOS Section 1 5 page 15 Available configurations for the Desktop Board D845GVFN Section 1 3 page 14 11 Intel Desktop Board D845GVFN Technical Product Speci
61. lable in Setup are considered to be available for use by the add in card For information about the versions of PCI and Plug and Play supported by the BIOS see Section 1 5 Overview of BIOS Features 3 3 2 PCIIDE Support If you select Auto in the BIOS Setup program the BIOS automatically sets up the two PCI IDE connectors with independent I O channel support The IDE interface supports hard drives up to ATA 66 100 and recognizes any ATAPI compliant devices including CD ROM drives tape drives and Ultra DMA drives see Section 1 5 for the supported version of ATAPI 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 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 lt j NOTE ATA 66 100 compatible cables are backward compatible with drives using slower IDE transfer protocols If an ATA 66 100 disk drive and a disk drive using any other IDE transfer protocol are attached to the same cable the maximum transfer rate between the drives is reduce
62. lication running on a non Plug and Play operating system can obtain the SMBIOS information For information about Refer to The desktop boards compliance level with SMBIOS Section 1 5 page 15 3 5 Legacy USB Support Legacy USB support enables USB devices such as keyboards mice and hubs 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 By default Legacy USB support is set to Enabled 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 5 The operating system loads While the operating system is loading USB keyboards and mice are recognized and may be used to configure the operating system Keyboards and mice are not recognized during this period if Legacy USB support was set to Disabled in the BIOS Setup program 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 verify that Legacy USB support in the BIOS Setup program is set to Enabled and follow the operating syst
63. n leads of ATX12V SFX12V and TFX12V power supplies to the corresponding connectors on the desktop board otherwise the board will not boot e Do not use a standard ATX power supply The board will not boot with a standard ATX power supply e Refer to Table 4 on page 19 for a list of supported system bus frequency and memory speed combinations For information about Refer to Power supply connectors Section 2 8 2 2 page 48 Product Description 1 7 System Memory A The Desktop Board D845GVEN has two DIMM sockets and supports the following memory features 2 5 V only 184 pin DDR SDRAM DIMMs with gold plated contacts Unbuffered single sided or double sided DIMMs Maximum total system memory 2 GB minimum total system memory 64 MB DDR333 266 200 MHz SDRAM DIMMs only Serial Presence Detect SPD Suspend to RAM Table 4 lists the supported system bus frequency and memory speed combinations Table 4 Supported System Bus Frequency and Memory Speed Combinations You can use this type of DIMM DDR333 or DDR266 DDR266 or DDR200 If the processor s system bus frequency is 533 MHz 400 MHz CAUTION Do not use ECC DIMMs with this board Using ECC DIMMs could damage the board SE INTEGRATOR S NOTES e Registered DIMMs are not supported e Double sided x16 DIMMs are not supported lt j NOTE To be fully compliant with all applicable DDR SDRAM memory specifications the board should be populated with DIMMs that support
64. naninans 61 A NE OE EE 63 ENVIFON Meli A a a ad toi cta 63 Regulatory elen 64 2 1 Introduction Sections 2 2 2 6 contain several standalone tables Table 15 describes the system memory map Table 16 shows the I O map Table 17 lists the DMA channels Table 18 defines the PCI configuration space map and Table 19 describes the interrupts The remaining sections in this chapter are introduced by text found with their respective section headings 2 2 Memory Map Table 15 System Memory Map Address Range decimal Address Range hex Size Description 1024 K 2097152 K Extended memory 960 K 1024 K Runtime BIOS 896 K 960 K Reserved 800 K 896 K C8000 DFFFF 96 KB Available high DOS memory open to the PCI bus 640 K 800 K A0000 C7FFF 160 KB Video memory and BIOS 639 K 640 K 9FCOO 9FFFF 1 KB Extended BIOS data movable by memory manager software 512 K 639 K 80000 9FBFF 127 KB Extended conventional memory OK 512K 00000 7FFFF 512 KB Conventional memory 39 Intel Desktop Board D845GVFN Technical Product Specification 2 3 Fixed I O Map Table 16 I O Map Address hex Sie Description 0000 OOFF 256 bytes Used by the Desktop Board D845GVFN Refer to the ICH4 data sheet for dynamic addressing information 0170 0177 8 bytes Secondary IDE channel 01F0 01F7 8 bytes Primary IDE channel 0228 022F Note 1 8 bytes LPT3 0278 027F Note 1 LPT2 02E8 02EF Note 1 8 bytes COM4 02F8 02FF
65. nes under execution In these WORD checkpoints the low byte of the checkpoint is the system BIOS checkpoint from which the control is passed to the different bus routines The high byte of the checkpoint is the indication of which routine is being executed in the different buses Table 53 describes the upper nibble of the high byte and indicates the function that is being executed Table 53 Value N o on A o NIe oO Upper Nibble High Byte Functions Description func 0 disable all devices on the bus concerned func 1 static devices init on the bus concerned func 2 output device init on the bus concerned func 3 input device init on the bus concerned func 4 IPL device init on the bus concerned func 5 general device init on the bus concerned func 6 error reporting for the bus concerned func 7 add on ROM init for all buses 81 Intel Desktop Board D845GVFN Technical Product Specification Table 54 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed Table 54 Lower Nibble High Byte Functions Value Description Generic DIM Device Initialization Manager On board System devices ISA devices EISA devices ISA PnP devices PCI devices a j N 9 4 4 Speaker A 47 Q inductive speaker provides audible error code beep code information during POST For information about Refer to The location of the onboard speaker on the Desktop Board D845GVFN Fi
66. o Power and Hardware Control Connectors Figure 5 shows the location of the audio power and hardware control connectors A B C D o He SE A 1 2 LI 9180 10 70094 12 El E mo 1 OO EE 1 3 4 O O I I I I 1 O Oi APA a AT i HF O O C 2 9000000000 tl 113 i0 0000000008m 1 me H G OM17299 Item Description For more information see A Front panel audio Table 21 B Auxiliary line in ATAPI style gray optional Table 22 C ATAPI CD ROM black optional Table 23 D 12 V power connector ATX12V Table 24 E Rear chassis fan Table 25 F Processor fan Table 26 G Main power Table 27 H Front chassis fan Table 28 l Chassis intrusion optional Table 29 Figure 5 Audio Power and Hardware Control Connectors 48 Technical Reference Table 21 Front Panel Audio Connector Pin Signal Name i Signal Name 1 Ground 3 MIC_BIAS 5 V 5 RIGHT_OUT RIGHT_IN 7 No connect Key 9 LEFT_OUT LEFT_IN Table 22 Auxiliary Line In Connector Optional Pin Signal Name 1 Left auxiliary line in 2 Ground 3 Ground 4 Right auxiliary line in Pin Signal Name 1 Left audio input from CD ROM 2 CD audio differential ground 3 CD audio differential ground 4 Right audio input from CD ROM INTEGRATOR S NOTES e
67. o that after passing the POST the operating system loader is invoked even if the following devices are not present 3 7 4 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 46 lists the boot device menu options 72 Video adapter Keyboard Mouse Changing the Default Boot Device During POST Table 46 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 Overview of BIOS Features 3 8 Fast Booting Systems with Intel Rapid BIOS Boot These factors affect system boot speed e Selecting and configuring peripherals properly e Using an optimized BIOS such as the Intel Rapid BIOS 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 CD 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 proc
68. oft off Refer to Section 1 5 page 15 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 12 lists the power states supported by the Desktop Board D845GVEN along with the associated system power targets See the ACPI specification for a complete description of the various system and power states 33 Intel Desktop Board D845GVFN Technical Product Specification Table 12 Power States and Targeted System Power Device States DO working state D1 D2 D3 device specification specific Global States Sleeping States SO working GO working state G1 sleeping state G1 sleeping state G1 sleeping state G2 S5 G3 mechanical off AC power is disconnected from the computer Notes S1 Processor stopped S3 Suspend to RAM Context saved to RAM S4 Suspend to disk Context saved to disk 55 Soft off Context not saved Cold boot is required No power to the system Processor States CO working C1 stop grant No power No power No power No power D3 no power e
69. on EO Onboard Floppy Controller if any is initialized Compressed recovery code is uncompressed in F000 0000 in Shadow RAM and give control to recovery code in F000 Shadow RAM Initialize interrupt vector tables initialize system timer initialize DMA controller and interrupt controller E8 Initialize extra Intel Recovery Module E9 Initialize floppy drive EA Try to boot from floppy If reading of boot sector is successful give control to boot sector code EB Booting from floppy failed look for ATAPI LS 120 Zip devices EC Try to boot from ATAPI If reading of boot sector is successful give control to boot sector code EF Booting from floppy and ATAPI device failed Give two beeps Retry the booting procedure again go to check point E9 77 Intel Desktop Board D845GVFN Technical Product Specification 78 Table 51 Code 03 05 06 07 08 0B OG OE OF 10 11 12 13 14 19 1A 23 24 25 27 28 2A 2B 2C 2D 2E 2F 30 31 32 34 37 38 39 3A Runtime Code Uncompressed in F000 Shadow RAM Description of POST Operation NMI is Disabled To check soft reset power on BIOS stack set Going to disable cache if any POST code to be uncompressed CPU init and CPU data area init to be done CMOS checksum calculation to be done next Any initialization before keyboard BAT to be done next KB controller I B free To issue the BAT command to keyboard controller Any initialization after KB controll
70. ore E000 ROM control over E000 ROM to get control next Returned from E000 ROM control Going to do any initialization required after E000 optional ROM control Initialization after E000 optional ROM control is over Going to display the system configuration Put INT13 module runtime image to shadow Generate MP for multiprocessor support if present Put CGA INT10 module if present in Shadow continued Table 51 Code AE B1 00 Error Messages and Beep Codes Runtime Code Uncompressed in F000 Shadow RAM continued Description of POST Operation Uncompress SMBIOS module and init SMBIOS code and form the runtime SMBIOS image in shadow Going to copy any code to specific area Copying of code to specific area done Going to give control to INT 19 boot loader 4 3 Bus Initialization Checkpoints The system BIOS gives control to the different buses at several checkpoints to do various tasks Table 52 describes the bus initialization checkpoints Table 52 Bus Initialization Checkpoints Checkpoint Description 2A 38 39 95 Different buses init system static and output devices to start if present Different buses init input IPL and general devices to start if present Display different buses initialization error messages Init of different buses optional ROMs from C800 to start While control is inside the different bus routines additional checkpoints are output to port 80h as WORD to identify the routi
71. ored or off if single colored When signaled by a wake up device or event the system quickly returns to its last known wake state Table 13 on page 34 lists the devices and events that can wake the computer from the S3 state The board supports the PCI Bus Power Management Interface Specification For information on the version of this specification see Section 1 5 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 2 compliant add in cards and drivers 1 13 2 5 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 3 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 37 Intel Desktop Board D845GVFN Technical Product Specification lo hit yo ANOS yt et es ey I Io oi 1 I I I I I I I i i GK i 1 O Og AS IA S Le d
72. power supply remote on off Ground Ground Ground No connect 5 V 5 V Technical Reference 2 8 2 3 Add in Board and Peripheral Interface Connectors Figure 6 shows the location of the add in board connector and peripheral connectors for the Desktop Board D845GVEN Note the following considerations for the PCI bus connectors e All of the PCI bus connectors are bus master capable e SMBus signals are routed to PCI bus connector 2 enabling PCI bus add in boards with SMBus support to access sensor data on the desktop board The SMBus signals are as follows The SMBus clock line is connected to pin A40 The SMBus data line is connected to pin A41 OM17300 Item Description A PCI bus connector 3 PCI bus connector 2 PCI bus connector 1 Diskette drive Primary IDE Secondary IDE mm OO D Figure 6 Add in Board and Peripheral Interface Connectors 51 Intel Desktop Board D845GVFN Technical Product Specification 2 8 3 External I O Connectors Figure 7 shows the locations of the external I O connectors 52 Hem DO D Table 20
73. psets 845qv 1 8 1 2 Zone Rendering Technology ZRT The Intel Extreme Graphics Controller supports Zone Rendering Technology ZRT ZRT is process by which the screen is divided into several zones Each zone is completely cached and rendered on chip before being written to the frame buffer The benefits of ZRT include the following e Increased memory efficiency via better localization of data e Increased on chip processing speed due to decreased wait time for data e Increased effective pixel fill rates 25 Intel Desktop Board D845GVFN Technical Product Specification e Increased headroom for larger resolution and color depth e Reduced power as a result of decreased memory bandwidth e Reduction in depth and color bandwidth associated with conventional rendering For information about Refer to Obtaining the Zone Rendering white paper http developer intel com design chipsets 845gv 1 8 2 USB The board supports up to four USB 2 0 ports fully supports UHCI and EHCI and uses UHCI and EHCI compatible drivers For more than four USB devices an external hub can be connected to any of the ports The ICH4 provides the USB controller for all ports The port arrangement is as follows e Two ports are implemented with stacked back panel connectors adjacent to the audio connectors e Two ports are routed to the front panel USB connector da NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC
74. r Current Capability Maximum Available Current 1 00A 1 00A 1 00A Fan Connector Processor fan Front chassis fan Rear chassis fan 60 Technical Reference 2 11 4 Power Supply Considerations A 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 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 37 when selecting a power supply for use with the Desktop Board D845GVEN 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 For information about Refer to The ATX form factor specification Section 1 5 page 15 2 12 Thermal Considerations A CAUTION The use of an Intel Pentium 4 processor operating above 2 80 GHz with this Intel desktop board requires the following e A chassis with appropriate airflow to ensure proper cooling of the components on the board e A processor fan heatsink that meets the thermal p
75. r LEI Ave decet CNS teerent nngekenm ke tnededeedevdededeesesanaedts 54 States for a Two Color Power LED AEN 54 Front Panel Audio Connector Jumper Block 57 BIOS Setup Configuration Jumper SettingS AE 57 DG Loading Keren 60 Fan Connector Current Capablanca 60 Thermal Considerations for Components cccooooccccccnnoccccnonononcncnnnn conc nono ncnnnnnnn cnn nana naccn 62 Desktop Board D845GVFN Environmental Gpechftcattons neee 63 Safety Regulations EE 64 ee IE IPE P EE EE A S A a ae ES 64 Product Certification Markings 2ismi sesmmemntasemirdantafennen utd ini 66 BIOS Setup Program Menu Bar stare 68 BIOS Setup Program Function Me 68 Boot Device Menu OPtONS ccd tyes wes o aiii 72 Supervisor and User Password Functions EEN 74 BIOS Error M SS4g s ss 75 Uncompressed INIT Code Checkpooimte cnn nnnnnn cnn ncnnnnes 77 Boot Block Recovery Code Checkpoints oooocooococcccnonoccccononnccccnnnnnanccnnnannncnncnnnnncnncnnnnns 77 Runtime Code Uncompressed in F000 Shadow DAME 78 Bus Initialization Checkpoints EE 81 Upper Nibble High Byte Functions ccccc cssscesced ot ceces seca suasoetanenuevecssy cde nu la 81 Lower Nibble High Byte Functions ee diuceerer Zra Ree cect beter deenentnnn NEE 82 Beep US uge EES 83 1 Product Description What This Chapter Contains ET es 10 12 Blek EES eege E 13 tS ONS SU p OE EE 14 LA Operating System SUPPO EE 14 15 Design SPEOMICA NON Sierras eterna in ke AEA R 15 126 POCOS EE 18 157 System MGMIONY
76. rd connection Make sure keyboard is connected properly KB Interface Error Keyboard interface test failed Memory Size Decreased Memory size has decreased since the last boot If no memory was removed then memory may be bad Memory Size Increased Memory size has increased since the last boot If no memory was added there may be a problem with the system Memory Size Changed Memory size has changed since the last boot If no memory was added or removed then memory may be bad No Boot Device Available System did not find a device to boot Off Board Parity Error A parity error occurred on an off board card This error is followed by an address On Board Parity Error A parity error occurred in onboard memory This error is followed by an address Parity Error A parity error occurred in onboard memory at an unknown address NVRAM CMOS PASSWORD cleared by NVRAM CMOS and passwords have been cleared The system Jumper should be powered down and the jumper removed lt CTRL_N gt Pressed CMOS is ignored and NVRAM is cleared User must enter Setup 76 Error Messages and Beep Codes 4 2 Port 80h POST Codes 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 T
77. rd disk controller reset Hard disk controller reset done Floppy setup to be done next Floppy setup complete Hard disk setup to be done next Init of different buses optional ROMs from C800 to start See Section 4 3 for details of different buses Going to do any init before C800 optional ROM control Any init before C800 optional ROM control is over Optional ROM check and control will be done next Optional ROM control is done About to give control to do any required processing after optional ROM returns control and enable external cache Any initialization required after optional ROM test over Going to setup timer data area and printer base address Return after setting timer and printer base address Going to set the RS 232 base address Returned after RS 232 base address Going to do any initialization before Coprocessor test Required initialization before Coprocessor is over Going to initialize the Coprocessor next Coprocessor initialized Going to do any initialization after Coprocessor test Initialization after Coprocessor test is complete Going to check extended keyboard keyboard ID and num lock Going to display any soft errors Soft error display complete Going to set keyboard typematic rate Keyboard typematic rate set To program memory wait states Going to enable parity NMI NMI and parity enabled Going to do any initialization required before giving control to optional ROM at E000 Initialization bef
78. redentials hardware features and security management power supply changes to and enables components available features features controls Setup extended through the program configuration chipset options mode Table 45 lists the function keys available for menu screens Table 45 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 For information about Refer to The desktop boards compliance level with Plug and Play Section1 5 page15 3 2 BIOS Flash Memory Organization The Firmware Hub FWH includes a 3 Mbit 384 KB symmetrical flash memory device 3 3 Resource Configuration 3 3 1 PCI Autoconfiguration 68 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 Avai
79. rsonal injury Intel Desktop Board D845GVFN Technical Product Specification Other Common Notation NxnX GB GB 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 D845GVFN 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 Kilobyte 1024 bytes Kilobit 1024 bits 1000 bits per second Megabyte 1 048 576 bytes Megabytes per second Megabit 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 2 L SA E E E E E E A 10 1 1 1 A 10 1 1 2 Manufacturing Options 2 2 eg aa 11 1 1 3 Boar Me EE 12 diay Block Di Msi na erana anai oaa aee da a a EE a EA E 13 1 3 Onlie S ppor EE 14 1 4 Operating System Suppoltsseccesetvcastecseteaaseshsleasaccctaesoeedeseteetande vha EENS 14 1 5 Design Specieations ais 15 RE We EE 18 1 7 System Memory EE EE 19 E o 21 1 8 1 Intel Ex
80. se 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 13 on page 34 e Support for a front panel power and sleep mode switch Table 11 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 32 Table 11 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 ACPI G2 G5 Soft off On ACPI GO working state On ACPI GO working state Sleep ACPI G1 sleeping state Sleep ACPI G1 sleeping state For information about The desktop boards compliance level with ACPI 1 13 1 1 System States and Power States Product Description Power on ACPI GO working state Soft off Standby ACPI G1 sleeping state Fail safe power off ACPI G2 G5 Soft off Wake up ACPI GO working state Power off ACPI G2 G5 S
81. sktop Board D845GVFN Components 12 1 2 Block Diagram Figure 2 is a block diagram of the major functional areas of the board Product Description Back Panel gt Front Panel connector or socket USB Ports USB LPCB e Serial Ports _ Pri UDMA 33 and US 4 Parallel Port nmay W_ ATA Ec 106 gt VO PS 2 Mouse Secondary IDE Controller PS 2 Keyboar mPGA478 System Bus SMBus SE Processor Socket 400 533 MHz si es Bus M vv y Intel 82845GV i Intel 82801DB 3 Mbit Graphics and ARA I O Controller Hub y Firmware Hub Memory Controller Bus ICH4 FWH Hub GMCH A A A A t 1 Intel 845GV Chipset CSMA CD Display Unit Interface Interf VGA Port nterface Memory Bus DIMM Banks 2 5 Ayer LAN a SMBus e Q Interface 2 i SE Optional P J PCI Bus PCI Slot 1 Realtek 4 Line In PCI Slot 2 SMBus p ALC202A TA o Audio m S PCI Slot 3 w Auxiliary Line In optional Codec CD ROM optional Figure 2 Block Diagram OM17285 13 Intel Desktop Board D845GVFN Technical Product Specification 1 3 Online Support To find information about Intel Desktop Board D845GVFN under Desktop Board Products or Desktop Board Support Available configurations for the Desktop Board D845GVFN Processor data sheets ICH4 addressing Custom spl
82. 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 For information about Refer to Obtaining DDR SDRAM specifications Section 1 5 page 15 Obtaining the PC Serial Presence Detect SPD Specification Section 1 5 page 15 Intel Desktop Board D845GVFN Technical Product Specification 20 Table 5 lists the supported DDR DIMM configurations Table 5 Supported DDR DIMM Configurations DIMM Configuration Number of DDR Capacity Note Density Front side Back side SDRAM Devices 64 MB 64 Mbit 8 M x 8 empty 8 128 MB SS 256 Mbit 16 M x 16 empty 1024 MB DS 512 Mbit 64 M x 8 64 M x 8 16 Note In this column DS refers to double sided memory modules containing DDR SDRAM devices on both sides and SS refers to single sided memory modules containing DDR SDRAM devices on only one side Product Description 1 8 Intel 845GV Chipset The Intel 845GV chipset consists of the following devices e Intel 82845GV Graphics and Memory Controller Hub GMCH with Accelerated Hub Architecture AHA bus e Intel 82801DB I O Controller Hub ICH4 with AHA bus e Firmware Hub FWH The GMCH is a centralized controller for the system bus the memory bus the AGP bus and the Accelerated Hub Architecture interface The ICH4 is a centralized controller for the board s I O paths The FWH provides the nonvolatile s
83. tion 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 D845GVFN It describes the standard product and available manufacturing options Intended Audience The TPS is intended to provide detailed technical information about the Desktop Board D845GVFN and their 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 D845GVEN 2 A map of the resources of the desktop board 3 The features supported by the BIOS Setup 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 da NOTE Notes call attention to important information SE 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 pe
84. tion Technology Equipment including Electrical Business Equipment International Table 42 lists the EMC regulations the Desktop Board D845GVEN complies with when correctly installed in a compatible host system Table 42 EMC Regulations Regulation FCC Class B ICES 003 Class B EN55022 1998 Class B EN55024 1998 AS NZS 3548 Class B CISPR 22 3 Edition Class B CISPR 24 1997 64 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 Technical Reference 2 15 2 1 FCC Compliance Statement USA Product Type D845GVEN 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 devi
85. tive to chassis requirements are described in the ATX specification See Section 1 5 for information about the ATX specification INTEGRATOR S NOTE An I O shield compliant with the ATX chassis specification 2 03 is available from Intel o o 6 390 REF 162 300 o ao a LJ 0 787 0 010 TYP 20 0 254 3x Dia 0 039 1 000 3x Dia 0 330 8 380 0 884 22 450 d A 0 276 f 4 E 7 012 SEH G D l pa d MT A O j DIG oc DG 0 465 ak he gt 17 SI 11 811 a 8 a H I i 0 567 NN 14 400 ess Eis YS DN oF 2T 23 HE SS 33 28 22 82 xe 38 RE sg og 5 ry Na nm Ya Og 2a 5 2 S 9 A y JP Pictorial Figure 12 1 O Shield Dimensions View 063 0 005 1 600 0 120 8X RO 5 MIN OM11487 59 Intel Desktop Board D845GVFN Technical Product Specification 2 11 Electrical Considerations 2 11 1 DC Loading Table 37 lists the DC loading characteristics of the board 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
86. torage of the BIOS For information about Refer to The Intel 845GV chipset http developer intel com Resources used by the chipset Chapter 2 1 8 1 Intel Extreme Graphics Controller The Intel Extreme Graphics controller features the following e Integrated graphics controller 32 bpp Bits Per Pixel graphics engine 266 MHz core frequency 256 bit internal data path for 2 D and 3 D graphics Motion video acceleration e 3 D graphics visual and texturing enhancement e Display Integrated 24 bit 350 MHz RAMDAC DDC2B compliant interface e Video Dual monitor synchronous display Hardware motion compensation for software MPEG2 decode e Dynamic Video Memory Technology DVMT support up to 64 MB For information about Refer to DVMT Section 1 8 1 1 page 25 21 Intel Desktop Board D845GVFN Technical Product Specification Table 6 lists the Direct Draw supported modes Table 6 Direct Draw Supported Modes Resolution Color Palette Notes 16 M colors 70 352 x 480 256 colors 70 64 K colors GE meme so PR l IO E ECETIA Ec on EN 43 GE ee RECETA ECO BEER AA A E ECO EES Notes Y Supported in driver without Direct3D and OpenGL 3 Direct3D and OpenGL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 7 7 7 7 7 7 7 7 7 7 7 ol ol el ol ol lt wl wl el wl wl el wl wl el wl ol lt ol ow 22 Product Description Table 7 lists the video BIOS video modes supported by th
87. treme Graphics Controller br 21 1 8 2 lee EE 26 1 8 3 ID eg EE 26 1 8 4 Real Time Clock CMOS SRAM and DBatten nennen 27 19 VO engel 28 1 9 1 Sela PO mo 28 1 9 2 STEUER e e SE 28 1 9 3 Diskette Drive ege EE 28 1 9 4 Keyboard and Mouse Interface e ccseccnceeeeeeeeeseseeeeeeeeeeeeeeseseneeeeneeeess 28 110 Audio SUSS EE 29 1104 Audio COMME CONS enee rolas 29 1 10 2 Audio Subsystem Software ccchcscaeceedscdecgelecdeteuus ao nen deba 30 1 11 EAN Subsystem Op lluviosa cect lash EE EEN ele ee EE 30 1 11 1 Intel 82562ET Platform LAN Connect Device 30 1 11 2 RJ 45 LAN Connector with Integrated LED 31 1 11 3 LAN Subsystem SOmWare sonora dario iddjerer 31 1 12 Hardware Management Subsystem Optional 31 1 121 Hardware Monitoring and Fan Control AG 31 1422 Fan A a EA RE E A 32 1 12 3 Chassis Intrusion and Detection EE 32 1 13 Power Management 2ie ugegcEerERgeNEE EENEG ER 11501 e WEE 32 1 13 2 Hardware Support GE 35 Technical Reference 210 MO Te Le EE EEE EE 39 2 2 Memory Map aarisenargaggeurkatbaaaruautnvmervbtesvjejegvdstsieiee 39 EC WEN LE sutre ee tes Uda canal seeders Sr Paven 40 24 DMA Chanel a a E E A E 41 2 5 PCI Configuration Space Map sa vage cay e EE 41 PA MINUS NOLS re 42 2 7 PCI Interrupt Routing Map ee 43 Intel Desktop Board D845GVFN Technical Product Specification vi A A PE A E TEE E ET 45 2 8 1 Backs Panel COMMOCIONS acaricia ug 46 2 8 2 Internal VO Ree 47 2 8 3 ExXtemal CONE iii dis 52
88. word This table is for reference only and is not displayed on the screen Table 47 Supervisor and User Password Functions Supervisor Password to Password Password Set Mode User Mode Setup Options Enter Setup During Boot Neither Can change al 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 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 74 4 Error Messages and Beep Codes What This Chapter Contains 41 BIOS Error Messages siii bananas Ee 75 42 E AM ae 77 4 3 Bus Initialization Checkpoints veis aiii 81 AA Speaker ass ege ene 82 45 BIOS Beep E 82 4 1 BIOS Error Messages Table 48 lists the error messages and provides a brief description of each Table 48 BIOS Error Messages Error Message GA20 Error Pri Master HDD Error Pri Slave HDD Error Sec Master HDD Error Sec Slave HDD Error Pri Master Drive ATAPI Incompatible Pri Slave Drive ATAPI Incompatible Sec Master Drive ATAPI Incompatible Sec Slave Drive ATAPI Incompatible A Drive Error Cache Memory Bad CMOS Battery Low CMOS Display Type Wrong
89. xcept for wake up logic D3 no power except for wake up logic D3 no power except for wake up logic D3 no power for wake up logic except when provided by battery or external source Targeted System Power Note 1 Full power gt 30 W 5 W lt power lt 52 5 W Power lt 5 W Note 2 Power lt 5 W Note 2 Power lt 5 W Note 2 No power to the system Service can be performed safely 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 13 1 2 Wake up Devices and Events Table 13 lists the devices or specific events that can wake the computer from specific states 34 Table 13 Wake up Devices and Events These devices events can wake up the computer LAN Modem back panel Serial Port A PME signal Power switch PS 2 devices RTC alarm USB Note will enable a wake up event from LAN in the S5 state from this state 1 S3 S4 S5 Note 1 S3 1 S3 S4 S5 Note S1 S3 54 S5 S1 S3 S1 S3 S4 S5 S1 S3 For LAN and PME signal S5 is disabled by default in the BIOS Setup program Setting this option to Power On Product Description lt j NOTE The use of these wake up events from an ACPI state requires an operating system that provides full ACPI support In ad
90. y 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 ICH4 has eight Programmable Interrupt Request PIRQ input signals All PCI interrupt sources either onboard or from a PCI add in card connect to one of these PIRQ signals Some PCI interrupt sources are electrically tied together on the Desktop Board D845GVEN and therefore share the same interrupt Table 20 shows an example of how the PIRQ signals are routed For example using Table 20 as a reference assume an add in card using INTA is plugged into PCI bus connector 3 In PCI bus connector 3 INTA is connected to PIRQC which is already connected to the ICH4 USB The add in card in PCI bus connector 3 now shares an interrupt with the onboard interrupt source 43 Intel Desktop Board D845GVFN Technical Product Specification Table 20 PCI Interrupt Routing Map ICH4 PIRQ Signal Name PCI Interrupt Source PIRQA PIRGB PIRQC PIRQD PIRQGE PIRQF PIRQGG PIRQH Intel Extreme Graphics Controller ICH4 USB UHCI controller 1 SMBus controller ICH4 USB UHCI controller 2 AC 97 ICH4 Audio Modem ICH4 LAN ICH4 USB UHCI controller

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