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Intel Board D945GBO

1. Hei eae O F FF 9 EE Bel DD d CC BB AA S j J J K B L x lt V U T 5 R Q PO OM17934 Figure 1 Board Components Table 3 lists the components identified in Figure 1 Product Description Table 3 Board Components Shown in Figure 1 Item callout from Figure 1 S Z lt x s lt c a o o z z x z o m o o w gt m ol oO Description Front panel audio connector Back panel connectors Main power connector Front panel USB connectors 2 Serial ATA connectors 4 PCI Express x16 bus add in card connector PCI Conventional bus add in card connectors 2 PCI Express x1 bus add in card connector Speaker IEEE 1394a controller BIOS Setup configuration jumper block Front panel IEEE 1394a connectors 2 Legacy UO controller Diskette drive connector Front panel connector Front chassis fan connector Auxiliary front panel power LED connector Intel 82801 GH UO Controller Hub ICH7DH LGA775 processor socket Intel 82945G GMCH Remote thermal sensor Processor core power connector Processor fan connector DIMM Channel A sockets 2
2. FH A B CD EG IJ KL M N E 5 E 39 STT O O 10 CP 34 33 p O O d T silks HE W V U TSR QP OM17935 Figure 16 Component side Connectors 54 Technical Reference Table 16 lists the component side connectors identified in Figure 16 Table 16 Component side Connectors Shown in Figure 16 Item callout from Figure 16 Description Rear chassis fan connector Front panel audio connector Parallel ATA IDE connector Chassis intrusion connector Serial ATA connector 0 g lt c Ao D 9 uo z Tr x e Serial ATA connector 1 Serial ATA connector 2 Serial ATA connector 3 Front panel USB connector Front panel USB connector Main power connector PCI Express x16 bus add in card connector PCI Conventional bus add in card connector 1 PCI Conventional bus add in card connector 2 PCI Express x1 bus add in card connector Diskette drive connector Front panel IEEE 1394a connector Front panel IEEE 1394a connector Front panel connector Front chassis fan connector Auxiliary front panel power LED connector Processor core power connector Processor fan connector 55 Intel Desktop Board D945GBO Technical Product Specification 56 Table 17 Front Panel Audio Connector Pin Signal Name 1 Port E Port 1 Left Channel 3 Port E Port 1 Right Channel 5 Port F
3. 3 HAD Out Hard disk active LED 4 HDR_BLNK_ Out Front panel yellow YEL LED Reset Switch On Off Switch Purple Red 5 Ground Ground 6 FPBUT_IN In Power switch 7 FP_RESET In Reset switch 8 Ground Ground Power Not Connected 9 5 V Power 10 N C Not connected Single colored Dual colored St _ PowerLED PowerLED RL E em Hard Drive N RS e Activity LED 8 3 Sr ee 5 Reset Power Switch Switch 5 V DC 9 NC OM16110 Figure 17 Connection Diagram for Front Panel Connector 2 7 2 4 1 Hard Drive Activity LED Connector Yellow Pins 1 and 3 Yellow can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive Proper LED function requires one of the following e A Serial ATA hard drive connected to an onboard Serial ATA connector e AnIDE hard drive connected to an onboard IDE connector 59 Intel Desktop Board D945GBO Technical Product Specification 2 7 2 4 2 Reset Switch Connector Purple Pins 5 and 7 Purple can be connected to a momentary single pole single throw SPST type switch that is normally open When the switch is closed the board resets and runs the POST 2 7 2 4 3 Power Sleep LED Connector Green 2 7 Pins 2 and 4 Green can be connected to a one or two color LED Table 26 shows the possible states for a one color LED Table 27 shows the possible states for a two color LED
4. ttc oot 80 3 3 1 POI ene UL D 80 3 3 2 PONDE Support EE 80 3 4 System Management BIOS SMBIOS su 81 35 Legacy USB SUDDOP qoin ein uuu fefe een 81 3 5 BIOS e ioco ee ke 82 3 6 1 Language Support occ 82 3 6 2 Custom Splash Screen esp ner eds 82 ETAR 10101011E E 83 3 7 1 CDROM DOO e u en 83 3 7 2 Network BOOTS une De 83 3 7 3 Booting Without Attached Devices 83 3 7 4 Changing the Default Boot Device During POST 83 Contents 3 8 Adjusting Boot Speed ee cathe dase 84 9 8 1 Peripheral Selection and Configuration 84 9 8 2 BIOS Boot 84 3 9 i 85 4 Error Messages and Beep Codes 4 1 Speaker uuu u uu tan 87 4 2 BIOS RTE 87 4 3 BIOS Error Messages ros ine sae cae tu ioo e 87 4 4 Port 80h POST Codes ees 88 Figures 1 Board Components e ede 12 2 Block Diagraim sert eles 14 3 Memory Channel and DIMM Configuration 17 4 Dual Channel Interleaved Mode Configuration with Two DIMMSs
5. gt NOTE The DIMMO sockets of both channels are blue The DIMMI sockets of both channels are black Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17941 Figure 3 Memory Channel and DIMM Configuration Intel Desktop Board D945GBO Technical Product Specification 1 5 1 1 Dual Channel Interleaved Mode Configurations Figure 4 shows a dual channel configuration using two DIMMs In this example the DIMMO blue sockets of both channels are populated with identical DIMMs Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17942 Figure 4 Dual Channel Interleaved Mode Configuration with Two DIMMs Figure 5 shows a dual channel configuration using three DIMMs In this example the combined capacity of the two DIMMs in Channel A equal the capacity of the single DIMM in the DIMMO blue socket of Channel B Vv Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 256 MB 3 OM17943 Figure 5 Dual Channel Interleaved Mode Configuration with Three DIMMs Product Description Figure 6 shows a dual channel configuration using four DIMMs In this example the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel
6. 18 5 Dual Channel Interleaved Mode Configuration with Three DIMMSs 18 6 Dual Channel Interleaved Mode Configuration with Four DIMMS 19 7 Single Channel Asymmetric Mode Configuration with One DIMM 20 8 Single Channel Asymmetric Mode Configuration with Three DIMMS 20 9 Front Back Panel Audio Connectors re sn 33 10 8 channel 7 1 Audio Subsystem Block Diagram 33 11 LAN Connector LED Locations e ete reed oe p Rat 34 12 Thermal Sensors and Fan Connectors sssssseeenn menn 36 13 Location of the Standby Power Indicator LED 43 14 Detailed System Memory Address Map 46 15 Back Panel COHneelolS so ecoute e nme aaa 52 16 Component side Connectors LT Rate 54 17 Connection Diagram for Front Panel 59 18 Connection Diagram for Front Panel USB Connectors 61 19 Connection Diagram for IEEE 1394a Connechors 61 20 Location of the Jumper Block x DX ep Pen qox ee deed 62 21 Board DIMENSIONS rt ctum Eeer tatiana e t RU dus 63 22 O Shield Dimensions for Boards with the Optional Parallel
7. Table 26 States for a One Color Power LED LED State Description Off Power off sleeping Steady Green Running Table 27 States for a Two Color Power LED LED State Description Off Power off Steady Green Running Steady Yellow Sleeping NOTE The colors listed in Table 26 and Table 27 are suggested colors only Actual LED colors are product or customer specific 2 4 4 Power Switch Connector Red Pins 6 and 8 Red can be connected to a front panel momentary contact power switch The switch must pull the SW_ON pin to ground for at least 50 ms to signal the power supply to switch on or off The time requirement is due to internal debounce circuitry on the board At least two seconds must pass before the power supply will recognize another on off signal 60 2 7 2 5 Front Panel USB Connectors Technical Reference Figure 18 is a connection diagram for the front panel USB connectors INTEGRATOR S NOTES speed USB devices Power 5 V DC One D USB Port D Ground Key no pin O OO 9G 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 Power 5 V DC D One USB D Port Ground No Connect OM15963 Figure 18 Connection Diagram for Front Panel USB Connectors 2 7 2 6 Front Panel IEEE 1394a Connecto
8. Table 4 Supported Memory Configurations DIMM SDRAM Organization Number of SDRAM Capacity Configuration PN Front side Back side Devices 2048 MB DS 1 Gbit 128 M x 8 128 M x 8 16 Note In the second column DS refers to double sided memory modules containing two rows of SDRAM and SS refers to single sided memory modules containing one row of SDRAM INTEGRATOR S NOTE Refer to Section 2 1 1 on page 45 for additional information on available memory Product Description 1 5 1 Memory Configurations The Intel 82945G GMCH supports two types of memory organization e Dual channel Interleaved mode This mode offers the highest throughput for real world applications Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal Technology and device width can vary from one channel to the other but the installed memory capacity for each channel must be equal If different speed DIMMs are used between channels the slowest memory timing will be used e Single channel Asymmetric mode This mode is equivalent to single channel bandwidth operation for real world applications This mode is used when only a single DIMM is installed or the memory capacities are unequal Technology and device width can vary from one channel to the other If different speed DIMMs are used between channels the slowest memory timing will be used Figure 3 illustrates the memory channel and DIMM configuration
9. v s lade s miestnymi predpismi na ochranu ivotn ho prostredia POZOR Zamenjava baterije z baterijo druga nega tipa lahko povzro i eksplozijo e je mogo e baterije reciklirajte Rabljene baterije zavrzite v skladu z lokalnimi okoljevarstvenimi predpisi e ANVAAU seinra dasan iauuunaa Rodaan n2sinuupnimas 11 5 12h88 n5 YouumuaasIZusdacdifulumnngdaudidruduadauzasviaofiu UYARI Yanl t rde pil tak ld nda patlama riski vard r Piller m mk n oldu unda geri d n st r lmelidir Kullan lm piller yerel evre yasalar na uygun olarak at lmal d r Buxopucmoeyume 6amapei npaeunrbnoeo muny inaKwe icuyeamuwe pu3uk 6u0yxy Aryo 6 eukopucmani 6amapei cnid ymunisysamu Ymunisayia eukopucmanux bamapeu Mae 6ymu eukonana 32i0HO Micueeux HOPM WO PezyMOIOMb QO6GK NNA A A A A Product Description UPOZORNENI V p pad v m ny baterie za nespr vn druh m ze doj t k v buchu Je li to mo n baterie by m ly b t recyklov ny Baterie je t eba zlikvidovat v souladu s m stn mi p edpisy o ivotn m prost ed ETTEVAATUST Kui patarei asendatakse uue ebasobivat t pi patareiga v ib tekkida plahvatusoht T hjad patareid tuleb v imaluse korral viia vastavasse kogumispunkti T hjade patareide raviskamisel tuleb j rgida kohalikke keskkonnakaitse alaseid reegleid FIGYELMEZTET S Ha az elemet nem a megfelel tipusura cser li
10. 79 3 2 BIOS Flash Memory Organization issu 80 3 3 7 Resource COMMUTATION EE 80 3 4 System Management BIOS SMBIOS issu 81 3 5 Legacy USB SUDDOM EE 81 3 6 BIOS U pdg US a 82 3 2 BOOP ee PL 83 3 9 Adjusting Boot Speed ee 84 3 9 BIOS Security Features aso oed e m ote A ee eR et wale oe edt cates edd Ld 85 3 1 Introduction The boards use an Intel BIOS that is stored in the Serial Peripheral Interface Flash Memory SPI Flash and can be updated using a disk based program The SPI Flash contains the BIOS Setup program POST the PCI auto configuration utility and Plug and Play support The BIOS displays a message during POST identifying the type of BIOS and a revision code The initial production BIOSs are identified as NT94510J 86A When the BIOS Setup configuration jumper is set to configure mode and the computer is powered up the BIOS compares the CPU version and the microcode version in the BIOS and reports if the two match The BIOS Setup program can be used to view and change the BIOS settings for the computer The BIOS Setup program is accessed by pressing the F2 key after the Power On Self Test POST memory test begins and before the operating system boot begins The menu bar is shown below Maintenance Main Advanced Security Power Boot Exit NOTE The maintenance menu is displayed only when the Desktop Board is in configure mode Section 2 8 on page 62 shows how to put the Deskto
11. Batterijen moeten zoveel mogelijk worden gerecycled Houd u bij het weggooien van gebruikte batterijen aan de plaatselijke milieuwetgeving ATENCAO Haver risco de explos o se a bateria for substituida por um tipo de bateria incorreto As baterias devem ser recicladas nos locais apropriados A elimina o de baterias usadas deve ser feita de acordo com as regulamentag es ambientais da regi o Icnye pei3biKa 8b10YXY 3aMenenet aKyuynamap nenpasinvnaza MbINY AKyMynamapo naeinnbi na mazuvimacyi nepenpayoyeayya Has6aynauya ad cmapvix axyuynamapay namp ua 3e00ua 3 MACYO6bLM 3AKanadaycmeam na Kanoeii UPOZORNINI V p pad v m ny baterie za nespr vn druh m e doj t k v buchu Je li to mo n baterie by m ly b t recyklov ny Baterie je t eba zlikvidovat v souladu s m stn mi p edpisy o ivotn m prost ed y ue VIGYAZAT Ha a telepet nem a megfelel t pus telepre cser li
12. DIMM Channel B sockets 2 Rear chassis fan connector SPI flash device Battery Ethernet device Audio codec Parallel ATE IDE connector Chassis intrusion connector Intel Desktop Board D945GBO Technical Product Specification 1 2 4 Block Diagram Figure 2 is a block diagram of the major functional areas Gigabit Ethernet LAN f lt gt PCI Express x1 Interface 9 Contioller Connector i PGI Express USB Back Panel Front Panel USB Ports lt Serial Port gt Legacy i Parallel ATA Parallel ATA ee plone oe IDE Connector IDE Interface Controller 4 P S 2 Mouse lt PS 2 Keyboard LGA775 System Bus Diskette Drive Processor Socket 1066 800 MHz a Connector i u ree is Intel 945G Chipset PCI Express B 8 Y Y Y Y x16 Interface c 5 Intel 82801GH Serial Peripheral 3 gt Controller Hub lt p Interface SPI ee cue ICH7DH Flash Device Connector 2 AA 1 A A SG lt Display Interface TPM Component LLPO p Dual Channel Bus Optional Channel A Memory Bus u DIMMs 2 SMBus 9 2 8 Serial ATA Serial ATA IDE DIMNE G E IDE Interface Connectors 4 IEEE 1394a a 4 Line Out IEEE 1394a Connectors gt Controller Bus D Mic In gt lt Li
13. User available 4 COM1 Note 1 5 User available 6 Diskette drive 7 LPT Note 1 8 Real time clock 9 User available 10 User available 11 User available 12 Onboard mouse port if present else user available 13 Reserved math coprocessor 14 Primary Parallel ATA Serial ATA Legacy Mode if present else user available 15 Secondary Parallel ATA Serial ATA Legacy Mode if present else user available 16 Note 2 User available through PIRQA 17 Note 2 User available through PIRQB 18 Note 2 User available through PIRQC 19 Note 2 User available through PIRQD 20 Note 2 User available through PIRQE 21 Note 2 User available through PIRQF 22 Note 2 User available through PIRQG 23 Note 2 User available through PIRQH Notes 1 Default but can be changed to another IRQ 2 Available in APIC mode only Technical Reference 2 6 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus In most cases the small amount of latency added by interrupt sharing does not affect the operation or throughput of the devices In some special cases where maximum performance is needed from a device a PCI Conven
14. from booting INTEGRATOR S NOTE When using high wattage PCI Express x16 graphics cards use a power supply with a 2 x 12 main power cable The 2 x 12 main power cable can provide up to 144 W of power from the 12 V rail Table 22 Main Power Connector Pin Signal Name 43 3 V 43 83 V Ground 5 V Ground 5 V Ground PWRGD Power Good III A oO 9 5 V Standby 10 12 V 11 12 V Note 12 2 x 12 connector detect Note Note When using a 2 x 10 power supply cable this pin will be unconnected Table 23 Processor Core Power Connector Pin Signal Name 1 Ground Pin 13 14 15 16 17 18 19 20 21 22 23 24 Signal Name 3 3 V 12 V Ground PS ON power supply remote on off Ground Ground Ground No connect 5 V 5 V 5 V Note Ground Note Signal Name 57 Intel Desktop Board D945GBO Technical Product Specification 2 7 2 2 Add in Card Connectors The board has the following add in card connectors e PCI Express x16 one connector supporting simultaneous transfer speeds up to 8 GBytes sec e PCI Express xl one PCI Express x1 connector The x1 interface supports simultaneous transfer speeds up to 500 MBytes sec e PCI Conventional rev 2 3 compliant bus two PCI Conventional bus add in card connectors The SMBus is routed to PCI Conventional bus connector 2 only PCI Conventional bus add in cards with SMBus support can access sensor data and other information
15. CO CF Reserved for future use DO DF Boot device selection E0 FF FO FF FF processor exception E0 Miscellaneous codes See Table 44 EF boot S3 resume failure Error Messages and Beep Codes Table 44 Port 80h POST Codes POST Code 10 11 12 13 21 22 23 24 25 26 27 28 50 51 52 53 57 58 59 5A 5B 5C 5D 70 71 72 78 79 7A Description of POST Operation Host Processor Power on initialization of the host processor Boot Strap Processor Host processor Cache initialization including APs Starting Application processor initialization SMM initialization Chipset Initializing a chipset component Memory Reading SPD from memory DIMMs Detecting presence of memory DIMMs Programming timing parameters in the memory controller and the DIMMs Configuring memory Optimizing memory settings Initializing memory such as ECC init Testing memory PCI Bus Enumerating PCI busses Allocating resources to PCI bus Hot Plug PCI controller initialization Reserved for PCI Bus USB Resetting USB bus Reserved for USB ATA ATAPI SATA Resetting PATA SATA bus and all devices Reserved for ATA SMBus Resetting SMBUS Reserved for SMBUS Local Console Resetting the VGA controller Disabling the VGA controller Enabling the VGA controller Remote Console Resetting the console controller Disabling the console controller Enabling the console controller continued 89 Intel Desktop B
16. Intel Desktop Board D945GBO Technical Product Specification 3 8 Adjusting Boot Speed These factors affect system boot speed 3 8 1 The following techniques help improve system boot speed 3 8 2 Use of the following BIOS Setup program settings reduces the POST execution time 84 Selecting and configuring peripherals properly Optimized BIOS boot parameters Peripheral Selection and Configuration Choose a hard drive with parameters such as power up to data ready less than eight seconds that minimize hard drive startup delays Select a CD ROM drive with a fast initialization rate This rate can influence POST execution time Eliminate unnecessary add in adapter features such as logo displays screen repaints or mode changes in POST These features may add time to the boot process Try different monitors Some monitors initialize and communicate with the BIOS more quickly which enables the system to boot more quickly BIOS Boot Optimizations In the Boot Menu 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 In the Peripheral Configuration submenu disable the LAN device if it will not be used This can reduce up to four seconds of option ROM boot time NOTE It is possible to optimize the boot process to the point where the system boots so quickly that the Intel logo screen or a custom logo splas
17. The power supply must comply with the recommendations found in the BTX Interface Specification 67 Intel Desktop Board D945GBO Technical Product Specification 2 11 Thermal Considerations A CAUTION 68 This board requires the use of a Type II Low Profile Thermal Module for the processor Failure to ensure appropriate airflow may result in reduced performance of both the processor and or voltage regulator or in some instances damage to the board For a list of chassis that have been tested with Intel desktop boards please refer to the following website http developer intel com design motherbd cooling htm All 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 CAUTION Ensure that the ambient temperature does not exceed the board s maximum operating temperature Failure to do so could cause components to exceed their maximum case temperature and malfunction For information about the maximum operating temperature see the environmental specifications in Section 2 13 CAUTION 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 E in Figure 24 can reach
18. felrobbanhat Az elemeket lehet s g szerint jra kell hasznos tani A haszn lt elemeket a helyi k rnyezetv delmi el r soknak megfelel en kell kiselejtezni UZMAN BU Past v eksplozijas risks ja baterijas tiek nomain tas ar nepareiza veida baterij m Ja iesp jams baterijas vajadz tu nodot attiec gos pie em anas punktos Bateriju izme anai atkritumos j notiek saska ar viet jiem vides aizsardz bas noteikumiem D MESIO Naudojant netinkamo tipo baterijas irenginys gali sprogti Kai tik imanoma baterijas reikia naudoti pakartotinai Panaudotas baterijas i mesti b tina pagal vietinius aplinkos apsaugos nuostatus ATTENZJONI Riskju ta splu joni jekk il batterija tinbidel b tip ta batterija mhux korrett Il batteriji g andhom ji u ri iklati fejn hu possibbli Ir rimi ta batteriji u ati g andu jsir skond ir regolamenti ambjentali lokali OSTRZE ENIE Ryzyko wybuchu w przypadku wymiany na baterie niew a ciwego typu W miar mo liwo ci baterie nale y podda recyklingowi Zu ytych baterii nale y pozbywa si zgodnie z lokalnie obowi zuj cymi przepisami w zakresie ochrony rodowiska 29 Intel Desktop Board D945GBO Technical Product Specification 1 7 Express Connectors The board provides the following PCI Express connectors e One PCI Express x16 connector supporting simultaneous transfer speeds up to 8 GBytes sec e One PCI Express x1 connector The x1 interface
19. lovgivning OBS Det kan oppst eksplosjonsfare hvis batteriet skiftes ut med feil type Brukte batterier b r kastes i henhold til gjeldende milj lovgivning VIKTIGT Risk f r explosion om batteriet ers tts med felaktig batterityp Batterier ska kasseras enligt de lokala milj v rdsbest mmelserna VARO R j hdysvaara jos pariston tyyppi on v r Paristot on kierr tett v jos se on mahdollista K ytetyt paristot on h vitett v paikallisten ymp rist m r ysten mukaisesti VORSICHT Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr Die Batterie darf nur durch denselben oder einen entsprechenden vom Hersteller empfohlenen Batterietyp ersetzt werden Entsorgen Sie verbrauchte Batterien den Anweisungen des Herstellers entsprechend AVVERTIMENTO Esiste il pericolo di un esplosione se la pila non viene sostituita in modo corretto Utilizzare solo pile uguali o di tipo equivalente a quelle consigliate dal produttore Per disfarsi delle pile usate seguire le istruzioni del produttore PRECAUCI N Existe peligro de explosi n si la pila no se cambia de forma adecuada Utilice solamente pilas iguales o del mismo tipo que las recomendadas por el fabricante del equipo Para deshacerse de las pilas usadas siga igualmente las instrucciones del fabricante A Product Description WAARSCHUWING Er bestaat ontploffingsgevaar als de batterij wordt vervangen door een onjuist type batterij
20. n m Programr ni uygulamaya koymu tur Bu program n r n kapsam r n iade merkezleri nakliye talimatlar kay tlar ve artlar v s dahil b t n ayr nt lar n grenmek i in l tfen http www intel com intel other ehs product_ecology Recycling_Program htm Web sayfas na gidin 2 14 3 3 Lead Free Desktop Board 76 The desktop board is lead free Other box contents may contain lead Table 34 Lead Free Desktop Board Description Mark Lead Free The symbol is used to identify electrical and electronic assemblies and components in which the lead Pb concentration level in any of the raw materials and the end product is not greater than 0 1 by weight 1000 ppm This symbol is also used to indicate conformance to lead free requirements and definitions adopted under the European Union s Restriction on Hazardous Substances RoHS directive 2002 95 EC Technical Reference 2 14 4 EMC Regulations Desktop Board D945GBO complies with the EMC regulations stated in Table 35 when correctly installed in a compatible host system Table 35 EMC Regulations Regulation FCC Class B ICES 003 Class B EN55022 1998 Class B EN55024 1998 AS NZS CISPR 22 Class B CISPR 22 3rd Edition Class B CISPR 24 1997 VCCI Class B Title Title 47 of the Code of Federal Regulations Parts 2 and 15 Subpart B Radio Frequency Devices USA Interference Causing Equipment Standard D
21. page 36 1 12 2 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 42 3 Fan Monitoring Fan monitoring can be implemented using Intel Desktop Utilities or third party software The level of monitoring and control is dependent on the hardware monitoring ASIC used with the board For information about Refer to The functions of the fan connectors Section 1 13 2 2 page 40 35 Intel Desktop Board D945GBO Technical Product Specification 1 12 4 Thermal Monitoring Figure 12 shows the location of the sensors and fan connectors H E S 1 E O C i A m D 4 i 1 Ory B F OM17936 Item Description A Remote ambient temperature sensor Thermal diode located on processor die Ambient temperature sensor internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan m o m Front chassis fan Figure 12 Thermal Sen
22. u tct ote 31 1 9 3 Diskette Drive Gontroller u a en 31 1 9 4 Keyboard and Mouse Interface nn nenn nennen nnnnannnnnnn 31 Audio Subsystem Hr sek 32 1 10 1 Audio Subsystem Software u essen eb 32 1 10 2 Audio COnnectors net gee aim deck 32 1 10 3 8 Channel 7 1 Audio Subsystem nen 32 EAN Subsysiem nes esse 34 1 11 1 LAN Subsystem Soflware aa ea 34 1 11 2 Intel 82573L Gigabit Ethernet 6 34 Hardware Management Subsystem a eene 35 1 12 1 Hardware Monitoring and Fan Control 8 35 1 12 2 Chassis Intrusion and Detection 35 112 3 Fam MONO O MR 35 1 12 4 Thermal MOnHOrINg een 36 Power Man agemeht RR eet 37 tue teilen ek 37 148 2 Hardware SUpport era Meee a eee eco 39 Trusted Platform Module Optional ee 43 Intel Desktop Board D945GBO Technical Product Specification 2 Technical Reference vi 2 1 Memory HesoOBUICOS EE ENEE de ee 45 2 1 1 Addressable MOmor ys e cade ee 45 2 1 2 Memory Mapa 47 2 2 DMA Channels a ee 47 23 Fixed VO Map EN 48 24 PCI Configuration Space Map ceret ka 49 Ado 50 2 6 PCI Conventional Interrupt Routing Map 51 PME ena 52 2
23. 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 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 application running on a non Plug and Play operating system can obtain the SMBIOS information 3 5 Legacy USB Support Legacy USB support enables USB devices to be used even when the operating system s USB drivers are not yet available Legacy USB support is used to access the BIOS Setup progra
24. Front and Rear Chassis Fan Connectors nr r 56 Main Power CONNECT d io fati da i s psa een 57 Processor Core Power Connector ae 57 Auxiliary Front Panel Power Sleep LED Connector 58 Front Panel Connector ice u ee Rid de 59 States for a One Color Power LED issus 60 States for a Two Golor Power BbED nen dee denter es nahe 60 BIOS Setup Configuration Jumper Settings a 62 DG Loading Characteristics ee 66 Fan Connector Current Capability rss 67 Thermal Considerations for Components r 70 Environmental Specifications es 71 Safety Requlations unser ee 72 Lead Free Desktop Board WEE 76 EMC Regulations d C ox 77 Product Certification Markings uk 78 BIOS Setup Program Menu Bar trey ate p uit ae ime 80 BIOS Setup Program Function KEYS euere 80 Boot Device Menu Options an here 83 Supervisor and User Password Functions ras 85 Beep COdeS uu 87 BIOS Error Messages ice ee le 87 Port 80h POST Code Ranges neh 88 POM 80h POST Codes een a nee ee 89 Typical Port 80h POST Sequere et rire lampe tie prd Bee 92 1 Product Description What This Chapter Contains ech o zech o A 1 1 1 Power Connector
25. Mode Jumper Setting Configuration N 1 2 The BIOS uses current configuration information and SH H passwords for booting 3 Conti 2 3 i After the POST runs Setup runs automatically The pee maintenance menu is displayed B 1 The BIOS attempts to recover the BIOS configuration A recovery diskette is required Recovery None 62 Technical Reference 2 9 Mechanical Considerations 2 9 1 Form Factor The board is designed to fit into a BTX form factor chassis Figure 21 illustrates the mechanical form factor of the board Dimensions are given in inches millimeters The outer dimensions are 10 40 inches by 10 50 inches 264 16 millimeters by 266 70 millimeters 0 00 7 550 9 150 191 77 232 41 0 00 10 250 260 36 0 200 5 08 57 79 2 275 10 200 Figure 21 Board Dimensions 259 08 0 250 6 35 10 000 254 00 9 550 S 242 57 10 000 254 00 OM17938 63 Intel Desktop Board D945GBO Technical Product Specification 2 9 2 O Shield The back
26. Port 64 23 O Shield Dimensions for Boards without the Optional Parallel Port 65 24 Localized High Temperature Zones 69 Tables 1 Feature 10 2 Manufacturing Options ect rea ur ANS E t 11 3 Board Components Shown in Figure 1 Heer 13 4 Supported Memory Configurations nr 16 5 LAN Connector LED States u e ettet HH 34 6 Effects of Pressing the Power Switch deinen 37 7 Power States and Targeted System Power 38 8 Wake up Devices and Events aan 39 9 System Memory Map rubr date Fe 47 TO DMA Channels tee toC reihe 47 vii Intel Desktop Board D945GBO Technical Product Specification viii VO MAD e eU EE 48 PCI Configuration Space Map 49 Inizio feet M 50 POI Interrupt Routing MAP Erna 51 Back Panel Connectors Shown in Figure 15 53 Component side Connectors Shown in Figure 16 a 55 Front Panel Audio Connector eee o enr cele 56 Chassis Intrusion Connector ee 56 Serial ATA Connectors tds uc dati nectit 56 Processor Fan COnnector aes edens sve ea te ee 56
27. Port 2 Right Channel 7 Port E Port 1 and Port F Port 2 Sense send jack detection 9 Port F Port 2 Left Channel INTEGRATOR S NOTE The front panel audio connector is colored yellow Table 18 Chassis Intrusion Connector Pin Signal Name 1 Intruder 2 Ground Table 19 Serial ATA Connectors Pin Signal Name Ground TXP TXN Ground RXN RXP Ground N Table 20 Processor Fan Connector Pin Signal Name 1 Ground 2 12 V 3 FAN_TACH 4 FAN_CONTROL Table 21 Front and Rear Chassis Fan Connectors Pin Signal Name 1 FAN_CONTROL 2 12 V 3 FAN_TACH Signal Name Ground Presence dongle present Port E Port 1 Sense return jack detection Key Port F Port 2 Sense return jack detection 2 7 2 1 Power Supply Connectors The board has power supply connectors Technical Reference e Main power a 2 x 12 connector This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables When using a power supply with a 2 x 10 main power cable attach that cable on the rightmost pins of the main power connector leaving pins 11 12 23 and 24 unconnected e Processor core power a 2 x 2 connector This connector provides power directly to the processor voltage regulator and must always be used Failure to do so will prevent the board
28. Terminology 8 6 eec 3 Ue u eec 2b ZE eege 5 System lee EE Eeer e 7 PCI Express Connectors 8 IEEE 1394a Connectors m 9 Legacy I O Controller qr 10 Audio nee 11 LAN Subsystem nn 12 Hardware Management Subsystem EEN 18 Power Management italienne 14 Trusted Platform Module Optional ri rte t Power Connector Terminology Change Technical Product Specifications for ATX and microATX desktop boards referred to the 2 x 2 power connector as the ATX 2V connector With the arrival of BTX form factor desktop boards this connector will henceforth be referred to as the Processor Core Power connector For information about Refer to The BTX form factor http www formfactors org Intel Desktop Board D945GBO Technical Product Specification 1 2 Overview 1 2 1 Feature Summary Table 1 summarizes the major features of the board Table 1 Form Factor Processor Memory Chipset Video Audio Legacy I O Control USB Peripheral Interfaces SATA RAID IEEE 1394a Interface LAN Support BIOS Expansion Capabilities Instantly Available PC Technology Feature Summary microBTX Form Factor 10 40 inches by 10 50 inches 264 16 millimeters by 266 70 millimeters Support for an Intel Pen
29. az felrobbanhat A telepeket lehet s g szerint jra kell hasznos tani A haszn lt telepeket a helyi k rnyezetv delmi el r soknak megfelel en kell kiselejtezni A xx RE 6H XRO Em e TERIS 6c R DERNEU ET UHI PIRE HE CAUS BMEVGLAILLTC ESL FAROE HERES ORTIK SIO MIS TEO TEEN AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul Bateri sepatutnya dikitar semula jika boleh Pelupusan bateri terpakai mestilah mematuhi peraturan alam sekitar tempatan 27 Intel Desktop Board D945GBO Technical Product Specification A 28 OSTRZEZENIE Istnieje niebezpieczenstwo wybuchu w przypadku zastosowania niewtasciwego typu baterii Zuzyte baterie nalezy w miare mozliwosci utylizowac zgodnie z odpowiednimi przepisami ochrony srodowiska PRECAUTIE Risc de explozie daca bateria este inlocuita cu un tip de baterie necorespunz tor Bateriile trebuie reciclate daca este posibil Depozitarea bateriilor uzate trebuie sa respecte reglementarile locale privind protectia mediului pu ucnonvsosanuu bamapeu necoomeemcmeyiowezo muna Cywecmeyem PUCK ee 63pbi6a bamapeu donxcHvt Gormo ymunuzuposanbt no 803Moxcuocmu Ymunusayua Oamapeu 0ozoicua npoeooumca no NPasunaMm coomeemcmayrouuM MeCMHbIM mpe6oeanuam UPOZORNENIE Ak bat riu vymen te za nespr vny typ hroz nebezpecenstvo jej vybuchu Bat rie by sa mali pod a mo nosti v dy recyklova Likvid cia pou it ch bat ri sa mus vykon va
30. block 01FO 01F7 Primary Parallel ATA IDE channel command block 0228 022F Note 1 LPT3 0278 027F Note 1 8 bytes LPT2 02E8 O2EF Note 1 COM4 02F8 02FF Note 1 8 bytes COM2 0374 0377 Secondary Parallel ATA IDE channel control block 0377 bits 6 0 Secondary IDE channel status port 0378 037F 8 bytes LPT1 03E8 03 8 bytes COM3 03F0 03F5 6 bytes Diskette channel 03F4 03F7 Primary Parallel ATA IDE channel control block 03F8 O3FF COM1 04D0 04D1 Edge level triggered PIC LPTn 400 ECP port LPTn base address 400h OCF8 OCFB Note 2 PCI Conventional bus configuration address register OCF9 Note 3 Reset control register OCFC OCFF PCI Conventional bus configuration data register FFA7 Primary Parallel ATA IDE bus master registers FFA8 FFAF Secondary Parallel ATA IDE bus master registers Notes 1 Default but can be changed to another address range 2 Dword access only 3 Byte access only NOTE Some additional I O addresses are not available due to ICH7DH address aliasing The ICH7DH data sheet provides more information on address aliasing For information about Refer to Obtaining the ICH7DH data sheet Section 1 3 page 15 48 Technical Reference 2 4 PCI Configuration Space Map Table 12 PCI Configuration Space Map Bus Device Function Number hex Number hex Number hex Description Memory controller of Intel 82945G component 00 01 00 PCI Express x16 graphics p
31. 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 13 for the allocation of PIRQ lines to IRQ signals in APIC mode PCI interrupt assignments to the USB ports Serial ATA ports and PCI Express ports are dynamic 51 Intel Desktop Board D945GBO Technical Product Specification 2 Connectors A CAUTION Only the following connectors have overcurrent protection back panel USB front panel USB and PS 2 The other internal connectors are not overcurrent protected and should connect only to devices inside the computer s chassis such as fans and internal peripherals Do not use these connectors to power devices external to the computer s chassis A fault in the load presented by the external devices could cause damage to the computer the power cable and the external devices themselves This section describes the board s connectors The connectors can be divided into these groups e Back panel I O connectors e Component side I O connectors see page 54 2 7 1 Back Panel Connectors Figure 15 shows the location of the back panel connectors The back panel connectors are color coded The figure legend Table 15 lists the colors used when applicable B E G I M N O OM1
32. panel I O shield for the board must meet specific dimension and material requirements Systems based on this board need the back panel I O shield to pass certification testing Figure 22 shows the I O shield for boards with the optional parallel port connector Figure 23 shows the I O shield for boards without the optional parallel port connector Dimensions are given in millimeters inches The figures also indicate the position of each cutout Additional design considerations for VO shields relative to chassis requirements are described in the BTX specification gt NOTE The 1 0 shield drawings in this document are for reference only I O shields compliant with the BTX specification are available from Intel 172 93 REF 6 808 n n awa awn Cr m y n D a o f 13 00 TYP 512 2s 0 169 98 513 0 004 6 692 00051 9 65 0 380 1 00 O 0 039 N CH 0 00 0 00 9 18 9 18 0 36 m Ca 0 361 9 40 U 11 0 370 0 485 Pictorial View OM17948 Figure 22 Shield Dimensions for Boards with the Optional Parallel Port 64 Technical Reference 172 93 REF 6 8
33. powers up the computer Product Description Depending on the LAN implementation the board supports LAN wake capabilities with ACPI in the following ways e The PCI Express WAKE signal e The PCI Conventional bus PME signal for PCI 2 3 compliant LAN designs e The onboard LAN subsystem 1 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 colored 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 8 on page 39 lists the devices and events that can wake the computer from the S3 state The board supports the PCI Bus Power Management Interface Specification Add in boards that also support this specification can participate in power management and can be used to wake the computer The use of Instantly Available PC technology requires operating system support and PCI 2 3 compliant add in cards PCI Express add in cards and drivers 1 13 2 5 Intel Quick Resume T
34. 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 1 1 1 2 cl 5 G sch cl 00 N Power Connector Terminology Change ss 9 RS OW oce oh ee lace LO 10 1 2 1 Feature Summary 10 1 2 2 Manufacturing Options 11 1 2 9 ele BE e EE 12 1 2 4 BIO CK DAG P Tnm 14 Online Support m bu tte Du Cac eU 15 ProCeSsS0O u pence 15 System Memory Lee wal ye ces M ed tie ee 16 1 5 1 Memory Configurations Beenden ern arena 17 Intel 945G Chipset Gt eases tne oat 21 1 6 1 Intel 945G Graphics Subsystem ic se 21 1 6 2 B lore scc HE 23 1 6 3 IDE S pporkt D E 24 1 6 4 Real Time Clock CMOS SRAM and Battery 25 PCI Express Connectors oett iR 30 IEEE 1394a Connectors ee cA tactu Gen 30 Legacy I O Controller ee ee 30 1 9 1 Said RR 31 1 9 2 Parallel Port Optional
35. total amount of standby current required depends on the wake devices supported and manufacturing options The board provides several power management hardware features including e Power connector e Fan connectors e LAN wake capabilities e Instantly Available PC technology e Resume on Ring e Wake from USB e Wake from PS 2 keyboard e PME signal wake up support e WAKE signal wake up support e Intel Quick Resume Technology Drivers Intel QRTD LAN wake capabilities and Instantly Available PC technology require power from the 5 V standby line 39 Intel Desktop Board D945GBO Technical Product Specification 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 NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support 1 13 2 1 Power Connector ATX12V compliant power supplies can turn off the system power through system control When an ACPI enabled system receives the correct command the power supply removes all non standby voltages When resuming from an AC power failure the computer returns to the power state it was in before power was interrupted on or off The computer s response can be set using the Last Power State feature in the BIOS Setup program s Boot menu For information about Refer to The l
36. 08 n n Cr m N a o o o o o o o o F E 13 00 TYP m 0 512 vi t0 169 98 015 6692 10008 as 0100 U t 0 039 C U J 10 00 iS C ind es ge 0 36 A nl 1 0 361 940 A N d U 11 55 0 370 0 455 SS q 3E RE Ai RE am 58 48 58 as si 28 56 Pictorial View OM18267 Figure 23 I O Shield Dimensions for Boards without the Optional Parallel Port 65 Intel Desktop Board D945GBO Technical Product Specification 2 10 Electrical Considerations 2 10 1 DC Loading Table 29 lists the DC loading characteristics of the boards This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems The analysis does not include PCI add in cards Minimum values assume a light load placed on the board that is similar to an environment with no applications running and no USB current draw Maximum values assume a load placed on the board that is similar to a heavy gaming environment with a 500 mA current draw per USB port These calculations are not based on specific processor values or memory configurations but are based on the minimum and maximum current draw possible from the board s power delivery 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
37. 7 1 Back Panel Connector surendettement ee el 52 2 7 2 Component side Connectors sooo ter 54 2 amp 8 Jumper Bleki o 62 2 9 Mechanical Considerations ee 63 2 9 1 Form Factor er 653 2 9 2 Herz e apas 64 2 10 Electrical Considerations Ne ditum d esp sen b RR en 66 2340 tro ob det Eu N an M Ede 66 2 10 2 Add in Board Considerations o make es 66 2 10 5 Fan Connector Current Capability 67 2 10 4 Power Supply Gonsiderations naar 67 2 1 Ketter Considerations ats see RR Toe RUN DI 68 Pii sme ae ue Eee 70 2 13 Environmental se a me ss E E 71 2 14 Regulatory Compliance recie detinet deals tds Maium 72 2 14 1 Safety Regulations cen hte 72 2 14 2 European Union Declaration of Conformity Statement 72 2 14 3 Product Ecology Statements 74 2 44 EMG Re etas po 77 2 14 5 Product Certification Markings Board Level 78 Overview of BIOS Features 3 11 INIFOGUCHOR net Ern 79 3 2 BIOS Flash Memory Organization issu 80 dij Resource
38. 7558 Figure 15 Back Panel Connectors 52 Technical Reference Table 15 lists the back panel connectors identified in Figure 15 NOTE The back panel audio line out connector is designed to power headphones or amplified speakers only Poor audio quality occurs if passive non amplified speakers are connected to this output Table 15 Back Panel Connectors Shown in Figure 15 Item callout from Figure 15 Description A PS 2 mouse port Green PS 2 keyboard port Purple Serial port A Teal Parallel port Burgundy optional VGA port IEEE 1394a connector USB ports two LAN USB ports two Center channel and LFE subwoofer audio out Retasking Jack Orange Surround left right channel audio out Retasking Jack Black Audio line in Retasking Jack Blue Digital audio out optical Mic in Retasking Jack Pink Front left right channel audio out Two channel audio line out Retasking Jack Lime green O Z Z r AX nm o o 53 Intel Desktop Board D945GBO Technical Product Specification 2 7 2 Component side Connectors Figure 16 shows the locations of the component side connectors
39. B Also the DIMMs are matched between DIMMO and DIMM 1 of both channels Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17944 Figure 6 Dual Channel Interleaved Mode Configuration with Four DIMMs Intel Desktop Board D945GBO Technical Product Specification 1 5 1 2 Single Channel Asymmetric Mode Configurations gt NOTE Dual channel Interleaved mode configurations provide the highest memory throughput Figure 7 shows a single channel configuration using one DIMM In this example only the DIMMO blue socket of Channel A is populated Channel B is not populated Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 OM17945 Figure 7 Single Channel Asymmetric Mode Configuration with One DIMM Figure 8 shows a single channel configuration using three DIMMs In this example the combined capacity of the two DIMMs in Channel A does not equal the capacity of the single DIMM in the DIMMO blue socket of Channel B Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 256 MB 3 OM17946 Figure 8 Single Channel Asymmetric Mode Configuration with Three DIMMs 20 Product Description 1 6 Intel 945G Chipset The Intel 945G chipset consists of the following devices e Intel 82945G Graphics Memory Contr
40. FFFFH 0C0000H OBFFFFH 1 MB 640 KB 0A0000H O9FFFFH OMB es Upper BIOS area 64 KB Lower BIOS area 64 KB 16 KB x 4 Add in Card BIOS and Buffer area 128 KB 16 KB x 8 Standard PCI ISA Video Memory SMM Memory 128 KB DOS area 640 KB 960 KB 896 KB 768 KB 640 KB 0 KB OM17140 Technical Reference 2 1 2 Memory Map Table 9 lists the system memory map Table 9 System Memory Map Address Range decimal Address Range hex Size Description 1024 K 4194304 K Extended memory 960 K 1024 K Runtime BIOS 896 K 960 K Reserved 800 K 896 K C8000 DFFFF 96 KB Potential available high DOS memory open to the PCI Conventional bus Dependent on video adapter used 640 K 800 K Video memory and BIOS 639 K 640 K Extended BIOS data movable by memory manager software 512 K 639 K Extended conventional memory 0K 512K Conventional memory 2 2 DMA Channels Table 10 DMA Channels DMA Channel Number System Resource Diskette drive Parallel port for ECP or EPP DMA controller Open 16 bits Open O A o N zi OH 47 Intel Desktop Board D945GBO Technical Product Specification 2 3 Fixed I O Map Table 11 Map Address hex Sie Description 0000 OOFF 256 bytes Used by the Desktop Board D945GBO Refer to the ICH7DH data sheet for dynamic addressing information 0170 0177 Secondary Parallel ATA IDE channel command
41. IFE SUSTAINING APPLICATIONS All Intel desktop boards are evaluated as Information Technology Equipment for use in personal computers PC for installation in homes offices schools computer rooms and similar locations The suitability of this product for other PC or embedded non PC applications or other environments such as medical industrial alarm systems test equipment etc may not be supported without further evaluation by Intel Intel Corporation may have patents or pending patent applications trademarks copyrights or other intellectual property rights that relate to the presented subject matter The furnishing of documents and other materials and information does not provide any license express or implied by estoppel or otherwise to any such patents trademarks copyrights or other intellectual property rights Intel may make changes to specifications and product descriptions at any time without notice Designers must not rely on the absence or characteristics of any features or instructions marked reserved or undefined Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them Intel desktop boards may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characterized errata are available on request Contact your local Intel sale
42. Intel Desktop Board D945GBO Technical Product Specification January 2006 Order Number D36107 001US The Intel Desktop Board D945GBO 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 D945GBO Specification Update Revision History Revision Revision History Date 001 First release of the Intel Desktop Board D945GBO Technical Product January 2006 Specification This product specification applies to only the standard Intel Desktop Board D945GBO with BIOS identifier NT94510J 86A Changes to this specification will be published in the Intel Desktop Board D945GBO Specification Update before being incorporated into a revision of this document INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL PRODUCTS NO LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT EXCEPT AS PROVIDED IN INTEL S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS INTEL ASSUMES NO LIABILITY WHATSOEVER AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY RELATING TO SALE AND OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT INTEL PRODUCTS ARE NOT INTENDED FOR USE IN MEDICAL LIFE SAVING OR L
43. PS 2 keyboard and mouse connectors are located on the back panel gt NOTE The keyboard is supported in the bottom PS 2 connector and the mouse is supported in the top PS 2 connector Power to the computer should be turned off before a keyboard or mouse is connected or disconnected For information about Refer to The location of the keyboard and mouse connectors Figure 15 page 52 31 Intel Desktop Board D945GBO Technical Product Specification 1 10 Audio Subsystem The board supports the Intel High Definition audio subsystem based on the Sigmatel 9220 9223 audio codec The audio subsystem supports the following features e Advanced jack sense for the back panel audio jacks that enables the audio codec to recognize the device that is connected to an audio port The back panel audio jacks are capable of retasking according to user s definition or can be automatically switched depending on the recognized device type e Stereo input and output for all back panel jacks e Line out and Mic in functions for front panel audio jacks e A signal to noise S N ratio of 95 dB 1 10 1 Audio Subsystem Software Audio software and drivers are available from Intel s World Wide Web site For information about Refer to Obtaining audio software and drivers Section 1 3 page 15 1 10 2 Audio Connectors The board contains audio connectors on both the back panel and the component side of the board The front panel audio connector provide
44. a temperature of up to 85 C in an open chassis Figure 24 shows the locations of the localized high temperature zones Item OM17940 Description Intel 82945G GMCH Intel 82801GH ICH7DH 1 5 V core and front side bus voltage regulator areas Processor Processor voltage regulator area Figure 24 Localized High Temperature Zones Technical Reference 69 Intel Desktop Board D945GBO Technical Product Specification Table 31 provides maximum case temperatures for the components that are sensitive to thermal changes The operating temperature current load or operating frequency could affect case temperatures Maximum case temperatures are important when considering proper airflow to cool the board Table 31 Thermal Considerations for Components Component Maximum Case Temperature Intel Pentium 4 processor For processor case temperature see processor datasheets and processor specification updates Intel 82945G GMCH 99 C under bias Intel 82801GH ICH7DH 110 C under bias without heatsink 99 C under bias with heatsink For informati
45. acy I O controller provides the following features e One serial port e One parallel port with Extended Capabilities Port ECP and Enhanced Parallel Port EPP support e Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems e PS 2 style mouse and keyboard interfaces e Interface for one 1 44 MB or 2 88 MB diskette drive e Intelligent power management including a programmable wake up event interface e PCI Conventional bus power management support The BIOS Setup program provides configuration options for the legacy I O controller Product Description 1 9 1 Serial Port The Serial port A connector is located on the back panel The serial port supports data transfers at speeds up to 115 2 kbits sec with BIOS support For information about Refer to The location of the serial port A connector Figure 15 page 52 1 9 2 Parallel Port Optional The optional 25 pin D Sub parallel port connector is located on the back panel Use the BIOS Setup program to set the parallel port mode For information about Refer to The location of the optional parallel port connector Figure 15 page 52 1 9 3 Diskette Drive Controller The legacy I O controller supports one diskette drive Use the BIOS Setup program to configure the diskette drive interface For information about Refer to The location of the diskette drive connector Figure 16 page 54 1 9 4 Keyboard and Mouse Interface
46. aliased lines OpenGL version 1 4 support with vertex buffer and EXT Shadow extensions e 2D Graphics enhancements 8 16 and 32 bit color Optimized 256 bit BLT engine Color space conversion Anti aliased lines 21 Intel Desktop Board D945GBO Technical Product Specification e Video Hardware motion compensation for MPEG2 Software DVD at 30 fps full screen e Display Integrated 24 bit 400 MHz RAMDAC Upto 2048 x 1536 at 75 Hz refresh QXGA DDC2B compliant interface With Advanced Digital Display 2 or 2 ADD2 ADD2 cards support for TV out TV in and DVI digital display connections Supports flat panels up to 2048 x 1536 at 60Hz or digital CRT HDTV at 1920 x 1080 at 85 Hz with ADD2 ADD2 Two multiplexed DVO port interfaces with 200 MHz pixel clocks using an ADD2 ADD2 card e Dynamic Video Memory Technology DVMT support up to 224 MB e Intel Zoom Utility For information about Refer to DVMT Section 1 6 1 2 page 22 Obtaining graphics software and utilities Section 1 3 page 15 1 6 1 2 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 for maximum 2 D 3 D graphics performance Up to 224 MB of system memory can be allocated to DVMT on systems that have 512 MB or more of total system memory installed Up to 128 MB can be a
47. and beyond the capabilities of today s software by providing a protected space for key operations and other security critical tasks Using both hardware and software the TPM protects encryption and signature keys at their most vulnerable stages operations when the keys are being used unencrypted in plain text form The TPM is specifically designed to shield unencrypted keys and platform authentication information from software based attacks For information about Refer to TPM http www intel com design motherbd bo 43 Intel Desktop Board D945GBO Technical Product Specification 44 2 Technical Reference What This Chapter Contains 2 14 Memory ResSo rCeS uu rs den 45 DMA Channels td 47 acoge Elke 48 PCI Configuration Space een 49 Pme 50 PCI Conventional Interrupt Routing Map 51 CGODFIBOlOrS x nq leaden u no a i SSS auqa asawa ee 52 Giel TEE E iradia dettan 62 Mechanical Considerations Hs 63 Electrical CorsigSratibriS oie ie ls DH 66 Thermal Considefatilolts sea reir RR 68 iri 70 ENIVIFOMMEMLAL 71 Regulatory Compliance EE 72 2 1 Memory Resources 2 1 1 Addressable Memory The board utilizes 4 GB of addressable system memory Typically the address space that is allocated for PCI Conventional bus add i
48. ation 1 13 2 7 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states gt NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB 1 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 Conventional bus is asserted the computer wakes from an ACPI S1 S3 SA or S5 state with Wake on PME enabled in BIOS 1 13 2 10 WAKE Signal Wake up Support When the WAKEF signal on the PCI Express bus is asserted the computer wakes from an ACPI S1 S3 S4 or S5 state 1 13 2 11 5 V Standby Power Indicator LED The 5 V standby power indicator LED shows that power is still present even when the computer appears to be off Figure 13 shows the location of the standby power indicator LED A 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 42 Product Description OM17939 Figure 13 Location of the Standby Power Indicator LED 1 14 Trusted Platform Module Optional The optional Trusted Platform Module TPM is a component on the desktop board that is specifically designed to enhance platform security above
49. d from the computer Notes S1 Processor stopped S3 Suspend to RAM Context saved to RAM S4 Suspend to disk Context saved to disk S5 Soft off Context not saved Cold boot is required No power to the system Processor States 00 working C1 stop grant No power No power No power No power Power States and Targeted System Power Global States Sleeping States i Device States S0 working DO working state D1 D2 D3 device specification specific D3 no power except 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 One Watt Standby In 2001 the U S government issued an executive order requiring a reduction in power for appliances and personal computers This board meets that requirement by operating at 1 W or less in S5 Standby
50. davk m evropskych sm rnic 89 336 EEC a 73 23 EEC Dansk Dette produkt er i overensstemmelse med det europ iske direktiv 89 336 EEC amp 73 23 EEC Dutch Dit product is in navolging van de bepalingen van Europees Directief 89 336 EEC amp 73 23 EEC Eesti Antud toode vastab Euroopa direktiivides 89 336 EEC ja 73 23 EEC kehtestatud n uetele Suomi T m tuote noudattaa EU direktiivin 89 336 EEC amp 73 23 EEC m r yksi Fran ais Ce produit est conforme aux exigences de la Directive Europ enne 89 336 EEC amp 73 23 EEC Deutsch Dieses Produkt entspricht den Bestimmungen der Europ ischen Richtlinie 89 336 EEC amp 73 23 EEC 89 336 EOK 73 23 EOK Magyar E term k megfelel a 89 336 EEC s 73 23 EEC Eur pai Ir nyelv el r sainak Icelandic bessi vara stenst regluger Evr pska Efnahags Bandalagsins n mer 89 336 EEC 73 23 EEC Italiano Questo prodotto conforme alla Direttiva Europea 89 336 EEC amp 73 23 EEC Latviesu Sis produkts atbilst Eiropas Direktivu 89 336 EEC un 73 23 EEC noteikumiem Lietuviy Sis produktas atitinka Europos direktyvy 89 336 EEC ir 73 23 EEC nuostatas Malti Dan il prodott hu konformi mal provvedimenti tad Direttivi Ewropej 89 336 EEC u 73 23 EEC Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet 89 336 EEC a
51. e point where an error occurred Displaying the POST codes requires a PCI bus add in card often called a POST card The POST card can decode the port and display the contents on a medium such as a seven segment display NOTE The POST card must be installed in PCI bus connector 1 The following tables provide information about the POST codes generated by the BIOS e Table 43 lists the Port 80h POST code ranges e Table 44 lists the Port 80h POST codes themselves e Table 45 lists the Port 80h POST sequence NOTE In the tables listed above all POST codes and range values are listed in hexadecimal Table 43 Port 80h POST Code Ranges Range Category Subsystem 00 0F Debug codes Can be used by any PEIM driver for debug 10 1F Host Processors 1F is an unrecoverable CPU error 20 2F Memory Chipset 2F is no memory detected or no useful memory detected 30 3F Recovery 3F indicated recovery failure 40 AF Reserved for future use 50 5F Busses PCI USB ISA ATA etc 5F is an unrecoverable error Start with PCI 60 6F Reserved for future use for new busses 70 7 Output Devices All output consoles 7F is an unrecoverable error 80 8F Reserved for future use new output console codes 90 9F Input devices Keyboard Mouse 9F is an unrecoverable error AO AF Reserved for future use new input console codes BO BF Boot Devices Includes fixed media and removable media BF is an unrecoverable error
52. echnology Drivers Intel QRTD The Intel Quick Resume Technology Drivers Intel QRTD manage the on and off functions for Intel Viiv platforms and have the following features e Instantly turns the Intel Viiv platform off by pressing the power button on the PC or remote control e Instantly turns the Intel Viiv platform on by moving the mouse pressing a key on the keyboard or pressing the on off button on the remote control or computer e Inthe Intel QRTD off state the Video output stops sending data to the display Audio is muted Power continues to the vital components on the system CPU memory and fans for example e The Intel QRTD off state allows tasks that do not require user input to continue in the background e Works with the Microsoft Away mode to offer a complete power management offering for ACPI and system standby and hibernate e Target resume time is zero to five seconds about equal to the time it takes for the display to warm up 41 Intel Desktop Board D945GBO Technical Product Specification A CAUTION Do not open the computer chassis when it is in the Intel QRTD off state Opening the chassis in this state can cause hardware damage 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 oper
53. ecification Under the Boot menu in the BIOS Setup program ATAPI CD ROM is listed as a boot device Boot devices are defined in priority order Accordingly if there is not a bootable CD in the CD ROM drive the system will attempt to boot from the next defined drive 3 7 2 Network Boot The network can be selected as a boot device This selection allows booting from the onboard LAN or a network add in card with a remote boot ROM installed Pressing the lt F12 gt key during POST automatically forces booting from the LAN To use this key during POST the User Access Level in the BIOS Setup program s Security menu must be set to Full 3 7 3 Booting Without Attached Devices For use in embedded applications the BIOS has been designed so that after passing the POST the operating system loader is invoked even if the following devices are not present e Video adapter e Keyboard e Mouse 3 7 4 Changing the Default Boot Device During POST Pressing the lt F10 gt key during POST causes a boot device menu to be displayed This menu displays the list of available boot devices as set in the BIOS setup program s Boot Device Priority Submenu Table 39 lists the boot device menu options Table 39 Boot Device Menu Options Boot Device Menu Function Keys Description f or i Selects a default boot device Enter Exits the menu saves changes and boots from the selected device lt Esc gt Exits the menu without saving changes 83
54. from a legacy diskette drive or an LS 120 diskette drive or a CD ROM Both utilities verify that the updated BIOS matches the target system to prevent accidentally installing an incompatible BIOS gt NOTE Review the instructions distributed with the upgrade utility before attempting a BIOS update For information about Refer to The Intel World Wide Web site Section 1 3 page 15 3 6 1 Language Support The BIOS Setup program and help messages are supported in US English Additional languages are available in the Integrator s Toolkit utility Check the Intel website for details 3 6 2 Custom Splash Screen During POST an Intel splash screen is displayed by default This splash screen can be augmented with a custom splash screen The Integrator s Toolkit that is available from Intel can be used to create a custom splash screen gt NOTE If you add a custom splash screen it will share space with the Intel branded logo For information about Refer to The Intel World Wide Web site Section 1 3 page 15 82 Overview of BIOS Features 3 7 Boot Options In the BIOS Setup program the user can choose to boot from a diskette drive hard drives CD ROM or the network The default setting is for the diskette drive to be the first boot device the hard drive second and the ATAPI CD ROM third The fourth device is disabled 3 7 1 CD ROM Boot Booting from CD ROM is supported in compliance to the El Torito bootable CD ROM format sp
55. gether to create one logical drive As data is written or retrieved from the logical drive both drives operate in parallel thus increasing the throughput The ICH7DH allows for more than two drives to be used in a RAID 0 configuration e RAID 1 data mirroring Multiple physical drives maintain duplicate sets of all data on separate disk drives Level 1 provides the highest data reliability because two complete copies of all information are maintained The ICH7DH allows for two or four drives to be used in a RAID 1 configuration e RAID 0 1 or RAID 10 data striping and mirroring RAID 0 1 combines multiple mirrored drives RAID 1 with data striping RAID 0 into a single array This provides the highest performance with data protection Data is striped across all mirrored sets RAID 0 1 utilizes several drives to stripe data increased performance and then makes a copy of the striped drives to provide redundancy The mirrored disks eliminate the overhead and delay of parity RAID 5 distributed parity RAID Level 5 stripes data at a block level across several drives and distributes parity among the drives no single disk is devoted to parity Because parity data is distributed on each drive read performance tends to be lower than other RAID types RAID 5 requires the use of three or four drives 1 6 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 no
56. h 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 feature of the Advanced Menu in the Drive Configuration Submenu of the BIOS Setup program Overview of BIOS Features 3 9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer with the following restrictions e The supervisor password gives unrestricted access to view and change all the Setup options in the BIOS Setup program This is the supervisor mode e The user password gives restricted access to view and change Setup options in the BIOS Setup program This is the user mode e If only the supervisor password is set pressing the Enter 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 passw
57. hapter Contains 4 1 SOS AKCM Mc 87 E e RTE 87 49 BIOS Error Messages ec se me ce as an 87 44 Port 80m POST CodeS rene tero pride tenets deam ustedes 88 4 1 Speaker The board mounted speaker provides audible error code beep code information during POST For information about Refer to The location of the onboard speaker Figure 1 page 12 4 2 BIOS Beep Codes 4 3 Whenever a recoverable error occurs during POST the BIOS displays an error message describing the problem see Table 41 Table 41 Beep Codes Thermal warning Four alternating beeps High tone 2000 Hz BIOS Error Messages Table 42 lists the error messages and provides a brief description of each Table 42 BIOS Error Messages Error Message Explanation CMOS Battery Low The battery may be losing power Replace the battery soon CMOS Checksum Bad The CMOS checksum is incorrect CMOS memory may have been corrupted Run Setup to reset values Memory Size Decreased Memory size has decreased since the last boot If no memory was removed then memory may be bad No Boot Device Available System did not find a device to boot 87 Intel Desktop Board D945GBO Technical Product Specification 4 4 Port 80h POST Codes 88 During the POST the BIOS generates diagnostic progress codes POST codes to I O port 80h If the POST fails execution stops and the last POST code generated is left at port 80h This code is useful for determining th
58. igital 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 Measurement International Voluntary Control for Interference by Information Technology Equipment Japan Japanese Kanji statement translation this is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment VCCI If this is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual CORES HRUBRESERRSATMHBRS VCCI DEE KEIS lt SITABHRENKETT CORB KERR Scc amp HRjcUCUo 5 COREN 72 PT LES a SIS SL A N2E SMBS SRO FCEPHVET PRG AAS CRE gt TELM RY RUE UCFR EU Korean Class B statement translation this is household equipment that is certified to comply with EMC requirements You may use this equipment in residential environments and other non residential env
59. ironments et 7 7 e A ox QI LI El 77 Intel Desktop Board D945GBO Technical Product Specification 2 14 5 Product Certification Markings Board Level Desktop Board D945GBO has the product certification markings shown in Table 36 78 Table 36 Product Certification Markings Description UL joint US Canada Recognized Component mark Includes adjacent UL file number for Intel desktop boards E210882 Mark CAS US FCC Declaration of Conformity logo mark for Class B equipment Includes Intel name and D945GBO model designation CE mark Declaring compliance to European Union EU EMC directive 89 336 EEC and Low Voltage directive 73 23 EEC Australian Communications Authority ACA C tick mark Includes adjacent Intel supplier code number N 232 Japan VCCI Voluntary Control Council for Interference mark S Korea MIC Ministry of Information and Communication mark For information about MIC certification go to http support intel com support motherboards desktop Taiwan BSMI Bureau of Standards Metrology and Inspections mark Includes adjacent Intel company number D33025 Printed wiring board manufacturer s recognition mark Consists of a unique UL recognized manufacturer s logo along with a flammability rating solder side Trade Name Model Number 3 Overview of BIOS Features What This Chapter Contains 3 1 06
60. keyboard Clearing keyboard input buffer Waiting for user input INT 19 Ready to boot
61. llocated to DVMT on systems that have 256 MB but less than 512 MB of total installed system memory Up to 64 MB can be allocated to DVMT when less than 256 MB of system memory is installed DVMT returns system memory back to the operating system when the additional system memory is no longer required by the graphics subsystem DVMT will always use a minimal fixed portion of system physical memory as set in the BIOS Setup program for compatibility with legacy applications An example of this would be when using VGA graphics under DOS Once loaded the operating system and graphics drivers allocate additional system memory to the graphics buffer as needed for performing graphics functions NOTE The use of DVMT requires operating system driver support 1 6 1 3 Advanced Digital Display ADD2 ADD2 Card Support 22 The GMCH routes two multiplexed DVO ports that are each capable of driving up to a200 MHz pixel clock to the PCI Express x16 connector The DVO ports can be paired for a dual channel configuration to support up to a 400 MHz pixel clock When an ADD2 ADD2 card is detected the Intel GMA950 graphics controller is enabled and the PCI Express x16 connector is configured for DVO mode DVO mode enables the DVO ports to be accessed by the ADD2 ADD2 card An Product Description ADD2 ADD2 card can either be configured to support simultaneous display with the primary VGA display or can be configured to support dual independent display as an e
62. m and to install an operating system that supports USB Legacy USB support operates as follows 1 When you apply power to the computer legacy support is disabled 2 POST begins 3 Legacy USB support is enabled by the BIOS allowing you to use a USB keyboard to enter and configure the BIOS Setup program and the maintenance menu 4 POST completes 81 Intel Desktop Board D945GBO Technical Product Specification 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 6 After the operating system loads the USB drivers all legacy and non legacy USB devices are recognized by the operating system and Legacy USB support from the BIOS is no longer used To install an operating system that supports USB follow the operating system s installation instructions 3 6 BIOS Updates The BIOS can be updated using either of the following utilities which are available on the Intel World Wide Web site e Intel Express BIOS Update utility which enables automated updating while in the Windows environment Using this utility the BIOS can be updated from a file on a hard disk a 1 44 MB diskette or a CD ROM or from the file location on the Web e Intel Flash Memory Update Utility which requires creation of a boot diskette and manual rebooting of the system Using this utility the BIOS can be updated from a file on a 1 44 MB diskette
63. mation about Refer to The location of the Parallel ATA IDE connector Figure 16 page 54 1 6 3 2 Serial ATA Interfaces 24 The ICH7DH s Serial ATA controller offers four independent Serial ATA ports with a theoretical maximum transfer rate of 3 Gbits sec per port One device can be installed on each port for a maximum of four Serial ATA devices A point to point interface is used for host to device connections unlike Parallel ATA IDE which supports a master slave configuration and two devices per channel For compatibility the underlying Serial ATA functionality is transparent to the operating system The Serial ATA controller can operate in both legacy and native modes In legacy mode standard IDE VO and IRQ resources are assigned IRQ 14 and 15 In Native mode standard PCI Conventional bus resource steering is used Native mode is the preferred mode for configurations using the Windows XP and Windows 2000 operating systems gt Product Description NOTE Many Serial ATA drives use new low voltage power connectors and require adaptors or power supplies equipped with low voltage power connectors For more information see http www serialata org For information about Refer to The location of the Serial ATA IDE connectors Figure 16 page 54 1 6 3 3 Serial ATA RAID The ICH7DH supports the following RAID Redundant Array of Independent Drives levels RAID 0 data striping Multiple physical drives can be teamed to
64. mode One Watt operation applies only to the S5 state when the computer is turned off but still connected to AC power One Watt operation does not apply to the S3 Suspend to RAM or S4 Suspend to disk states 38 Newer energy efficient power supplies using less than 0 5 W in Standby mode may also be needed to achieve this goal Product Description 1 19 1 9 Wake up Devices and Events gt Table 8 lists the devices or specific events that can wake the computer from specific states Table 8 Wake up Devices and Events These devices events can wake up the computer from this state LAN S1 S3 S4 S5 Note Modem back panel Serial Port A 91 S3 PME signal S1 S3 S4 S5 Note Power switch S1 S3 S4 S5 PS 2 devices 91 S3 Visual off RTC alarm 91 S3 94 S5 USB 91 S3 Visual off WAKE signal 1 99 94 S5 Note For LAN and PME signal S5 is disabled by default in the BIOS Setup program Setting this option to Power On will enable a wake up event from LAN in the S5 state NOTE The use of these wake up events from an ACPI state requires an operating system that provides full ACPI support In addition software drivers and peripherals must fully support ACPI wake events 1 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
65. mp 73 23 EEC Polski Niniejszy produkt jest zgodny z postanowieniami Dyrektyw Unii Europejskiej 89 336 EWG i 73 23 EWG Portuguese Este produto cumpre com as normas da Diretiva Europ ia 89 336 EEC amp 73 23 EEC Espanol Este producto cumple con las normas del Directivo Europeo 89 336 EEC amp 73 23 EEC Slovensky produkt je v s lade 5 ustanoveniami eur pskych direktiv 89 336 EEC a 73 23 EEC Sloven ina Izdelek je skladen z dolo bami evropskih direktiv 89 336 EGS in 73 23 EGS Svenska Denna produkt har tillverkats i enlighet med EG direktiv 89 336 EEC amp 73 23 EEC T rk e Bu r n Avrupa Birli i nin 89 336 EEC ve 73 23 EEC y nergelerine uyar 73 Intel Desktop Board D945GBO Technical Product Specification 2 143 Product Ecology Statements The following information is provided to address worldwide product ecology concerns and regulations 2 14 3 1 Disposal Considerations This product contains the following materials that may be regulated upon disposal lead solder on the printed wiring board assembly 2 14 3 2 Recycling Considerations 74 As part of its commitment to environmental responsibility Intel has implemented the Intel Product Recycling Program to allow retail consumers of Intel s branded products to return used products to select locations for proper recycling Please consult the http www intel com intel other ehs product_ecology Recycling Program htm for the details of this pr
66. n Revision 2 3 e Support for PCI Express Revision 1 0a e Suspend to RAM support e Wake on PCI RS 232 front panel PS 2 devices and USB ports e Support for Intel Quick Resume Technology Drivers Intel QRTD continued Product Description Table 1 Feature Summary continued e Hardware monitoring and fan control ASIC e Voltage sense to detect out of range power supply voltages e Thermal sense to detect out of range thermal values Hardware Monitor Subsystem e Three fan connectors e Three fan sense inputs used to monitor fan activity e Fan speed control 1 2 2 Manufacturing Options Table 2 describes the manufacturing options Not every manufacturing option is available in all marketing channels Please contact your Intel representative to determine which manufacturing options are available to you Table 2 Manufacturing Options Parallel Port One 25 pin D Sub parallel port connector on the back panel Trusted Platform A component that enhances platform security Module TPM revision 1 2 For information about Refer to Available configurations for the board Section 1 3 page 15 11 Intel Desktop Board D945GBO Technical Product Specification 1 2 3 Board Layout Figure 1 shows the location of the major components A B C
67. n cards PCI Express configuration space BIOS SPI Flash and chipset overhead resides above the top of DRAM total system memory On a system that has 4 GB of system memory installed it is not possible to use all of the installed memory due to system address space being allocated for other system critical functions These functions include the following BIOS SPI Flash 2 MB Local APIC 19 MB Digital Media Interface 40 MB Front side bus interrupts 17 MB PCI Express configuration space 256 MB MCH base address registers internal graphics ranges PCI Express ports up to 512 MB Memory mapped I O that is dynamically allocated for PCI Conventional and PCI Express add in cards 45 Intel Desktop Board D945GBO Technical Product Specification The amount of installed memory that can be used will vary based on add in cards and BIOS settings Figure 14 shows a schematic of the system memory map All installed system memory can be used when there is no overlap of system addresses 4 GB Top of System Address Space PCI Memory Range contains PCI chipsets Direct Media Interface 4 DMI and ICH ranges approximately 750 MB DRAM Range DOS Compatibility Memory S Figure 14 Detailed System Memory Address Map 46 FLASH APIC Reserved 20 MB OFFFFFH Top of usable DRAM memory visible to the 0E0000H operating system OD
68. ne In Retasking Jack PCI Bus lt Line Out Retasking Jack gt Hope os Audio Mic In Retasking Jack PCI Slot 1 Codec 1 Center and PCI Slot 2 Retasking Jack optional Surround L R Retasking Jack optional i SPDIF pina connector or socket 14 Figure 2 Block Diagram OM18266 Product Description 1 3 Online Support To find information about Visit this World Wide Web site Intel Desktop Board D945GBO under http www intel com design motherbd Desktop Board Products or Desktop Board Support http support intel com support motherboards desktop Available configurations for the Desktop http developer intel com design motherbd bo bo available htm Board D945GBO Processor data sheets http www intel com design litcentr ICH7DH addressing http developer intel com products chipsets Custom splash screens http intel com design motherbd gen_indx htm Audio software and utilities http www intel com design motherbd LAN software and drivers http www intel com design motherbd 1 4 Processor The board is designed to support an Intel Pentium D processor in an LGA775 processor socket with a 1066 or 800 MHz system bus See the Intel web site listed below for the most up to date list of supported processors For information about Refer to Supported processors http www intel com design motherbd bo bo_proc htm A CAUTION Use only
69. oard D945GBO Technical Product Specification 90 Table 44 Port 80h POST Codes continued POST Code Description of POST Operation Keyboard PS2 or USB 90 Resetting keyboard 91 Disabling keyboard 92 Detecting presence of keyboard 93 Enabling the keyboard 94 Clearing keyboard input buffer 95 Instructing keyboard controller to run Self Test PS2 only Mouse PS2 or USB 98 Resetting mouse 99 Disabling mouse 9A Detecting presence of mouse 9B Enabling mouse Fixed Media BO Resetting fixed media B1 Disabling fixed media B2 Detecting presence of a fixed media IDE hard drive detection etc B3 Enabling configuring a fixed media Removable media B8 Resetting removable media B9 Disabling removable media BA Detecting presence of a removable media IDE CD ROM detection etc BC Enabling configuring a removable media BDS Dy Trying boot selection y y 0 to 15 PEI Core EO Started dispatching PEIMs emitted on first report of EFI SW PC INIT BEGIN EFI SW PEI PC HANDOFF TO NEXT E2 Permanent memory found E1 E3 Reserved for PEI PEIMs DXE Core E4 Entered DXE phase E5 Started dispatching drivers E6 Started connecting drivers continued Error Messages and Beep Codes Table 44 Port 80h POST Codes continued POST Code Description of POST Operation DXE Drivers E7 Waiting for user input E8 Checking password 9 Entering BIOS setup EA TBD Flash Update EB Calling Legacy Option ROMs EE TBD Calling INT 19 One beep unless silen
70. ocation of the main power connector Figure 16 page 54 The signal names of the main power connector Table 22 page 57 1 13 2 2 Fan Connectors The function operation of the fan connectors is as follows e The fans are on when the board is in the SO or S1 state e The fans are off when the board is off or in the S3 S4 or S5 state e Each fan connector is wired to a fan tachometer input of the hardware monitoring and fan control ASIC e All fan connectors support closed loop fan control that can adjust the fan speed or switch the fan on or off as needed e All fan connectors have a 12 V DC connection For information about Refer to The location of the fan connectors Figure 16 page 54 The location of the fan connectors and sensors for thermal monitoring Figure 12 page 36 The signal names of the processor fan connector Table 20 page 56 The signal names of the chassis fan connectors Table 21 page 56 1 13 2 3 LAN Wake Capabilities A A0 CAUTION For LAN wake capabilities the 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure to provide adequate standby current when implementing LAN wake capabilities can damage the power supply LAN wake capabilities enable remote wake up of the computer through a network The LAN network adapter monitors network traffic at the Media Independent Interface Upon detecting a Magic Packet frame the LAN subsystem asserts a wake up signal that
71. ogram including the scope of covered products available locations shipping instructions terms and conditions etc hx EA SOM BESTE ZAC ER SERA L SE Intel Product Recycling Program CBRE ARP m DCPS AVRR m EA EURER age e TR E Hh VE BSR A E http www intel com intel other ehs product_ecology Recycling_Program htm TALENTS GE mL qa E EME EHRT ARAB ESE Deutsch Als Teil von Intels Engagement fiir den Umweltschutz hat das Unternehmen das Intel Produkt Recyclingprogramm implementiert das Einzelhandelskunden von Intel Markenprodukten erm glicht gebrauchte Produkte an ausgew hlte Standorte f r ordnungsgem es Recycling zur ckzugeben Details zu diesem Programm einschlie lich der darin eingeschlossenen Produkte verf gbaren Standorte Versandanweisungen Bedingungen usw finden Sie auf der http www intel com intel other ehs product_ecology Recycling Program htm Technical Reference Espanol Como parte de su compromiso de responsabilidad medioambiental Intel ha implantado el programa de reciclaje de productos Intel que permite que los consumidores al detalle de los productos Intel devuelvan los productos usados en los lugares seleccionados para su correspondiente reciclado Consulte la http www intel com intel other ehs product ecology Recycling Program htm para ver los detalles del programa que incluye los productos que abarca los lugares dis
72. oller Hub GMCH with Direct Media Interface DMI interconnect e Intel 82801GH I O Controller Hub ICH7DH with DMI interconnect The GMCH component provides interfaces to the CPU memory PCI Express and the DMI interconnect The component also provides integrated graphics capabilities supporting 3D 2D and display capabilities The ICH7DH is a centralized controller for the board s I O paths For information about Refer to The Intel 945G chipset http developer intel com Resources used by the chipset Chapter 2 1 6 1 Intel 945G Graphics Subsystem The Intel 945G chipset contains two separate mutually exclusive graphics options Either the GMA950 graphics controller contained within the 82945G GMCH is used or a PCI Express x16 add in card can be used When a PCI Express x16 add in card is installed the GMA950 graphics controller is disabled 1 6 1 1 Intel GMA950 Graphics Controller The Intel GMA950 graphics controller features the following e 400 MHz core frequency e High performance 3 D setup and render engine e High quality texture engine DX9 Compliant Hardware Pixel Shader 2 0 Alpha and luminance maps Texture color keying chroma keying Cubic environment reflection mapping Enhanced texture blending functions e 3D Graphics Rendering enhancements 1 3 Dual Texture GigaPixel Sec Fill Rate 16 and 32 bit color Maximum 3D supported resolution of 1600 x 1200 x 32 at 85 Hz Vertex cache Anti
73. on about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1 3 page 15 2 12 Reliability 70 The Mean Time Between Failures MTBF prediction is calculated using component and subassembly random failure rates The calculation is based on the Bellcore Reliability Prediction Procedure TR NWT 000332 Issue 4 September 1991 The MTBF prediction is used to estimate repair rates and spare parts requirements The MTBF data is calculated from predicted data at 55 C The MTBF for the D945GBO board is 108 165 hours Technical Reference 2 13 Environmental Table 32 lists the environmental specifications for the board Table 32 Environmental Specifications Parameter Specification Temperature 40 C to 70 C 0 C to 55 C Non Operating Operating Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches second Half sine 2 millisecond Product weight pounds Free fall inches Velocity change inches sec Packaged 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 5 Hz to 40 Hz 0 015 g Hz flat 40 Hz to 500 Hz 0 015 g Hz sloping down to 0 00015 g Hz 71 Intel Desktop Board D945GBO Technical Product Specification 2 14 Regulatory Compliance This section contains the following regulatory compliance information for Desktop Board D945GBO e Safety regula
74. onfigure the system When a user turns on the system after adding a PCI card the BIOS automatically configures interrupts the I O space and other system resources Any interrupts set to Available in Setup are considered to be available for use by the add in card 3 3 2 PCIIDE Support 80 If you select Auto in the BIOS Setup program the BIOS automatically sets up the PCI IDE connector with independent I O channel support The IDE interface supports hard drives up to ATA 66 100 and recognizes any ATAPI compliant devices including CD ROM drives tape drives and Ultra DMA drives The interface also supports second generation SATA drives The BIOS determines the capabilities of each drive and configures them to optimize capacity and performance To take advantage of the high capacities typically available today hard drives are Overview of BIOS Features automatically configured for Logical Block Addressing LBA and to PIO Mode 3 or 4 depending on the capability of the drive You can override the auto configuration options by specifying manual configuration in the BIOS Setup program To use ATA 66 100 features the following items are required e An ATA 66 100 peripheral device e An ATA 66 100 compatible cable e 66 100 operating system device drivers NOTE Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master device For example do not connect an ATA hard drive as a slave to an ATAPI CD ROM drive 3
75. ord 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 e For enhanced security use different passwords for the supervisor and user passwords e Valid password characters are A Z a z and 0 9 Passwords may be up to 16 characters in length Table 40 shows the effects of setting the supervisor password and user password This table is for reference only and is not displayed on the screen Table 40 Supervisor and User Password Functions Supervisor Password to Password Password Set Mode User Mode Setup Options Enter Setup During Boot Neither Can change all Can change all None None options Note options Note Supervisor Can change all Can change a Supervisor Password Supervisor None only options limited number of options User only Can change all Enter Password User User options Clear User Password Supervisor Can change all Can change a Supervisor Password Supervisor or Supervisor or and user set options limited number Enter Password user user of options Note If no password is set any user can change all Setup options 85 Intel Desktop Board D945GBO Technical Product Specification 86 4 Error Messages and Beep Codes What This C
76. ort Note 1 00 02 Integrated graphics controller 00 jO Intel High Definition Audio Controller 00 0 PCI Express port 1 00 CC PCI Express port 2 00 USB UHCI controller 2 00 1D 02 USB UHCI controller 3 00 b USB UHCI controller 4 00 b EHCI controller 00 HF j es PCI controller 00 F nt Parallel ATA IDE controller 00 MF j Serial ATA controller 00 MF 08 SMBus controller Note 2 oo 0 cm Gigabit LAN controller Note 2 0 J JJ PCI Conventional bus connector 1 0 PCI Conventional bus connector 2 05 IEEE 1394a controller if present 01 0 PCI Express video controller Note 1 Notes 1 Present only when a PCI Express x16 graphics card is installed 2 Bus number is dynamic and can change based on add in cards used 49 Intel Desktop Board D945GBO Technical Product Specification 2 5 Interrupts 50 The interrupts can be routed through either the Programmable Interrupt Controller PIC or the Advanced Programmable Interrupt Controller APIC portion of the ICH7DH 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 13 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
77. p Board in configure mode 79 Intel Desktop Board D945GBO Technical Product Specification Table 37 lists the BIOS Setup program menu features Table 37 BIOS Setup Program Menu Bar Clears Displays Configures Sets Configures Selects boot Saves or passwords and processor advanced passwords power options discards displays and memory features and security management changes to processor configuration available features features and Setup information through the power supply program chipset controls options Table 38 lists the function keys available for menu screens Table 38 BIOS Setup Program Function Keys BIOS Setup Program Function Key Description c OF lt gt gt Selects a different menu screen Moves the cursor left or right f or lt gt Selects an item Moves the cursor up or down Tab Selects a field Not implemented Enter Executes command or selects the submenu F9 Load the default configuration values for the current menu lt F10 gt Save the current values and exits the BIOS Setup program lt Esc gt Exits the menu 3 2 BIOS Flash Memory Organization The Serial Peripheral Interface Flash Memory SPI Flash includes a 4 Mbit 512 KB flash memory device 3 3 Resource Configuration 3 3 1 PCI Autoconfiguration The BIOS can automatically configure PCI devices PCI devices may be onboard or add in cards Autoconfiguration lets a user insert or remove PCI cards without having to c
78. ponibles instrucciones de env o t rminos y condiciones etc Francais Dans le cadre de son engagement pour la protection de l environnement Intel a mis en ceuvre le programme Intel Product Recycling Program Programme de recyclage des produits Intel pour permettre aux consommateurs de produits Intel de recycler les produits us s en les retournant des adresses sp cifi es Visitez la page Web http www intel com intel other ehs product ecology Recycling Program htm pour en savoir plus sur ce programme savoir les produits concern s les adresses disponibles les instructions d exp dition les conditions g n rales etc AA 4 Cl REE EDO ELLE BELME AEA VFI OBA CUES ENGEN FOIFLER ESE WARM Sei BIKA CHARMS CONS LOR MARIS http www intel com intel other ehs product ecology Recycling Program htm FE CE lt ESL Malay Sebagai sebahagian daripada komitmennya terhadap tanggungjawab persekitaran Intel telah melaksanakan Program Kitar Semula Produk untuk membenarkan pengguna pengguna runcit produk jenama Intel memulangkan produk terguna ke lokasi lokasi terpilih untuk dikitarkan semula dengan betul Sila rujuk http www intel com intel other ehs product ecology Recycling Program htm untuk mendapatkan butir butir program ini termasuklah skop produk yang dirangkumi lokasi lokasi tersedia arahan penghantaran terma amp syarat dsb 75 Intel Desktop Board D945GBO Technical Prod
79. port The board provides five IDE interface connectors e One parallel ATA IDE connector that supports two devices e Four serial ATA IDE connectors that support one device per connector 1 6 3 1 Parallel ATE IDE Interface The ICH7DH s Parallel ATA IDE controller has one bus mastering Parallel ATA IDE interface The Parallel ATA IDE interface supports the following modes e Programmed I O PIO processor controls data transfer e 8237 style DMA DMA offloads the processor supporting transfer rates of up to 16 MB sec e Ultra DMA DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 33 MB sec e ATA 66 DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 66 MB sec ATA 66 protocol is similar to Ultra DMA and is device driver compatible e ATA 100 DMA protocol on IDE bus allows host and target throttling The ICH7DH s ATA 100 logic can achieve read transfer rates up to 100 MB sec and write transfer rates up to 88 MB sec NOTE ATA 66 and ATA 100 are faster timings and require a specialized cable to reduce reflections noise and inductive coupling The Parallel ATA IDE interface also supports ATAPI devices such as CD ROM drives and ATA devices using the transfer modes The BIOS supports Logical Block Addressing LBA and Extended Cylinder Head Sector ECHS translation modes The drive reports the transfer rate and translation mode to the BIOS For infor
80. residing on the board Note the following considerations for the PCI Conventional bus connectors e All of the PCI Conventional bus connectors are bus master capable e SMBus signals are routed to PCI Conventional bus connector 2 This enables PCI Conventional bus add in boards with SMBus support to access sensor data on the boards The specific SMBus signals are as follows The SMBus clock line is connected to pin A40 The SMBus data line is connected to pin A41 gt NOTE The PCI Express x16 connector is configured to support only a PCI Express x1 link when the Intel GMA950 graphics controller is enabled 2 7 2 3 Auxiliary Front Panel Power Sleep LED Connector Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector Table 24 Auxiliary Front Panel Power Sleep LED Connector Pin Signal Name In Out Description 1 HDR BLNK GRN Front panel green LED 3 HDR BLNK YEL Front panel yellow LED 58 2 7 2 4 Front Panel Connector Technical Reference This section describes the functions of the front panel connector Table 25 lists the signal names of the front panel connector Figure 17 is a connection diagram for the front panel connector Table 25 Front Panel Connector Pin Signal In Out Description Hard Drive Activity LED Yellow Hard disk LED pull up 750 Q to 5 V Pin Signal In Out Description Power LED Green 2 HDR_BLNK_ Out Front panel green GRN LED
81. rs Figure 19 is a connection diagram for the IEEE 1394a connectors TPA Ground TPB 12 V DC Key no pin O0 B TPA Ground TPB 12 V DC Ground OM16107 Figure 19 Connection Diagram for IEEE 1394a Connectors S INTEGRATOR S NOTES e The IEEE 1394a connectors are colored blue e The 12 V DC power on the IEEE 1394a connectors is fused e Each IEEE 1394a connector provides one IEEE 1394a port 61 Intel Desktop Board D945GBO Technical Product Specification 2 8 Jumper Block A CAUTION Do not move the jumper with the power on Always turn off the power and unplug the power cord Jrom the computer before changing a jumper setting Otherwise the board could be damaged Figure 20 shows the location of the jumper block The jumper block determines the BIOS Setup program s mode Table 28 describes the jumper settings for the three modes normal configure and recovery When the jumper is set to configure mode and the computer is powered up the BIOS compares the processor version and the microcode version in the BIOS and reports if the two match OM17937 Figure 20 Location of the Jumper Block Table 28 BIOS Setup Configuration Jumper Settings Function
82. s mic in and line out signals for the front panel For information about Refer to The location of the front panel audio connector Figure 16 page 54 The signal names of the front panel audio connector Table 17 page 56 The back panel audio connectors Section 2 7 1 page 52 1 10 3 8 Channel 7 1 Audio Subsystem The 8 channel 7 1 audio subsystem includes the following e Intel 82801GH I O Controller Hub ICH7DH e Sigmatel 9220 9223 audio codec e Microphone input that supports a single dynamic condenser or electret microphone The back panel audio connectors are configurable through the audio device drivers The available configurable audio ports are shown in Figure 9 For information about Refer to The back panel audio connectors Section 2 7 1 page 52 32 Front Panel Audio Connectors Line Out Mic In Surround Left and Right Retasking Jack Black Center channel and LFE Subwoofer Retasking Jack Orange S PDIF Digital Audio Out Optical Mic In Retasking Jack Pink Line Out Retasking Jack Lime Green Product Description Side Surround Left and Right Line In Retasking Jack Blue Figure 9 Front Back Panel Audio Connectors Figure 10 is a block diagram of the 8 channel 7 1 audio subsystem 82801GH Controller Hub ICH7DH Intel a Hoh Definition Audio Link Sigmatel 9220 9223 Audio Codec S PDIF Line In Side Surround L R Re
83. s 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 2006 Intel Corporation All rights reserved Preface This Technical Product Specification TPS specifies the board layout components connectors power and environmental requirements and the BIOS for the Intel Desktop Board D945GBO It describes the standard product and available manufacturing options Intended Audience The TPS is intended to provide detailed technical information about the Desktop Board D945GBO and its components to the vendors system integrators and other engineers and technicians who need this level of information It is specifically not intended for general audiences What This Document Contains Chapter Description 1 A description of the hardware used on the Desktop Board D945GBO 2 A map of the resources of the Desktop Board 3 The features supported by
84. sors and Fan Connectors 36 Product Description 1 13 Power Management Power management is implemented at several levels including 1 13 1 Software support through Advanced Configuration and Power Interface ACPI 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 Intel Quick Resume Technology Drivers Intel QRTD ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer The use of ACPI with this board requires an operating system that provides full ACPI support ACPI features include Plug and Play including bus and device enumeration 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 Methods for achieving less than 15 watt system operation in the power on standby sleeping state A Soft off feature that enables the operating system to power off the computer Support for multiple wake up events see Table 8 on page 39 Support for a front panel power and sleep mode switch Table 6 lists the system states based on how long the power switch is pressed depending on how ACPI is configured with an ACPI aware operating system Table 6 Effects of Pressing the Power Switch and the power swi
85. supports simultaneous transfer speeds up to 500 MBytes sec The PCI Express interface supports the PCI Conventional bus configuration mechanism so that the underlying PCI Express architecture is compatible with PCI Conventional compliant operating systems Additional features of the PCI Express interface include the following e Support for the PCI Express enhanced configuration mechanism e Automatic discovery link training and initialization e Support for Active State Power Management ASPM e SMBus 2 0 support e Wake signal supporting wake events from ACPI S1 S3 S4 or S5 e Software compatible with the PCI Power Management Event PME mechanism defined in the PCI Power Management Specification Rev 1 1 1 8 IEEE 1394a Connectors The IEEE 1394a interface addresses interconnection of both computer peripherals and consumer electronics The IEEE 1394a interface provides a throughput ranging from 100 Mbits sec to 400 Mbits sec As a manufacturing option the board includes three IEEE 1394a connectors as follows e One IEEE 1394a connector located on the back panel e TwoIEEE 1394a front panel connectors located on the component side For information about Refer to The location of the back panel IEEE 1394a connector Figure 15 page 52 The location of the front panel IEEE 1394a connectors Figure 16 page 54 The signal names of the front panel IEEE 1394a connectors Section 2 7 2 6 page 61 1 9 Legacy UO Controller 30 The leg
86. t boot is enabled EF TBD Unrecoverable Boot failure S3 resume failure Runtime Phase EFI OS Boot F4 Entering Sleep state F5 Exiting Sleep state F8 EFI boot service ExitBootServices has been called F9 EFI runtime service SetVirtualAddressMap has been called FA EFI runtime service ResetSystem has been called PEIMs Recovery 30 Crisis Recovery has initiated per User request 31 Crisis Recovery has initiated by software corrupt flash 34 Loading recovery capsule 35 Handing off control to the recovery capsule 3F Unable to recover 91 Intel Desktop Board D945GBO Technical Product Specification 92 Table 45 Typical Port 80h POST Sequence POST Code 21 22 23 25 28 34 E4 12 13 50 51 92 90 94 95 EB 58 5A 92 90 94 5A 28 90 94 E7 01 00 Description Initializing a chipset component Reading SPD from memory DIMMs Detecting presence of memory DIMMs Configuring memory Testing memory Loading recovery capsule Entered DXE phase Starting Application processor initialization SMM initialization Enumerating PCI busses Allocating resourced to PCI bus Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Keyboard Self Test Calling Video BIOS Resetting USB bus Resetting PATA SATA bus and all devices Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Resetting PATA SATA bus and all devices Testing memory Resetting
87. t 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 NOTE If the battery and AC power fail custom defaults if previously saved will be loaded into CMOS RAM at power on When the voltage drops below a certain level the BIOS Setup program settings stored in CMOS RAM for example the date and time might not be accurate Replace the battery with an equivalent one Figure 1 on page 12 shows the location of the battery 25 Intel Desktop Board D945GBO Technical Product Specification A A gt P P P p P 26 CAUTION Risk of explosion if the battery is replaced with an incorrect type Batteries should be recycled where possible Disposal of used batteries must be in accordance with local environmental regulations PRECAUTION Risque d explosion si la pile usag e est remplac e par une pile de type incorrect Les piles usag es doivent tre recycl es dans la mesure du possible La mise au rebut des piles usag es doit respecter les r glementations locales en vigueur en mati re de protection de l environnement FORHOLDSREGEL Eksplosionsfare hvis batteriet erstattes med et batteri af en forkert type Batterier b r om muligt genbruges Bortskaffelse af brugte batterier b r foreg i overensstemmelse med g ldende milj
88. tasking Jack lt q Line Out Retasking Jack lt 4 Mic In Retasking Jack Back 4 Center and LFE Retasking Jack Panel Surround Left Right Retasking Jack OM17816 Line Out Front Mic In Panel J gt J OM18264 Figure 10 8 channel 7 1 Audio Subsystem Block Diagram 33 Intel Desktop Board D945GBO Technical Product Specification 1 11 LAN Subsystem The LAN subsystem consists of the following e Intel 82573L Gigabit 10 100 1000 Mbits sec Ethernet controller e RJ 45 LAN connector with integrated status LEDs 1 11 1 LAN Subsystem Software LAN software and drivers are available from Intel s World Wide Web site For information about Refer to Obtaining LAN software and drivers Section 1 3 page 15 1 11 2 Intel 82573L Gigabit Ethernet Controller The Intel 82573L Gigabit Ethernet Controller supports the following features e PCI Express link e 10 100 1000 IEEE 802 3 compliant e Compliant to IEEE 802 3x flow control support e Jumbo frame support e TCP IP UDP checksum offload e Transmit TCP segmentation e Advanced packet filtering e Full device driver compatibility e PCI Express Power Management Support 1 11 2 1 RJ 45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ 45 LAN connector as shown in Figure 11 Table 5 describes the LED states when the board is powered up and the Gigabit LAN subsystem is opera
89. tch is If the system is in this state pressed for the system enters this state Off Less than four seconds Power on ACPI G2 G5 Soft off ACPI GO working state On Less than four seconds Soft off Standby ACPI GO working state ACPI G1 sleeping state On More than four seconds Fail safe power off ACPI GO working state ACPI G2 G5 Soft off Sleep Sleep Less than four seconds Wake up ACPI G1 sleeping state ACPI GO working state More than four seconds Power off ACPI G1 sleeping state ACPI G2 G5 Soft off 37 Intel Desktop Board D945GBO Technical Product Specification 1 13 1 1 System States and Power States Under ACPI the operating system directs all system and device power state transitions The operating system puts devices in and out of low power states based on user preferences and knowledge of how devices are being used by applications Devices that are not being used can be turned off The operating system uses information from applications and user settings to put the system as a whole into a low power state Table 7 lists the power states supported by the board along with the associated system power targets See the ACPI specification for a complete description of the various system and power states Table 7 GO working state G1 sleeping state G1 sleeping state G1 sleeping state G2 S5 G3 mechanical off AC power is disconnecte
90. 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 gt 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 personal injury Intel Desktop Board D945GBO Technical Product Specification Other Common Notation NxnX GB GB sec Gbits sec KB Kbit kbits sec MB MB sec Mbit Mbit sec xxh x x V Used after a signal name to identify an active low signal such as USBP0 When used in the description of a component N indicates component type xn are the relative coordinates of its location on the Desktop Board D945GBO and X is the instance of the particular part at that general location For example J5J1 is a connector located at 5J It is the first connector in the 5J area Gigabyte 1 073 741 824 bytes Gigabytes per second Gigabits per second Kilobyte 1024 bytes Kilobit 1024 bits 1000 bits per second Megabyte 1 048 576 bytes Megabytes per
91. the processors listed on web site above Use of unsupported processors can damage the board the processor and the power supply amp INTEGRATOR S NOTE Use only ATX12V compliant power supplies For information about Refer to Power supply connectors Section 2 7 2 1 page 57 Intel Desktop Board D945GBO Technical Product Specification 1 5 System Memory The board has four DIMM sockets and support the following memory features e 1 8 V only DDR2 SDRAM DIMMs with gold plated contacts e Unbuffered single sided or double sided DIMMs with the following restriction Double sided DIMMS with x16 organization are not supported e 4GB maximum total system memory Refer to Section 2 1 1 on page 45 for information on the total amount of addressable memory e Minimum total system memory 128 MB e Non ECC DIMMs e Serial Presence Detect e DDR2 667 or DDR2 533 MHz SDRAM DIMMs NOTES To be fully compliant with all applicable DDR SDRAM memory specifications the board should be populated with DIMMs that support the Serial Presence Detect SPD data structure This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings for optimum performance If non SPD memory is installed the BIOS will attempt to correctly configure the memory settings but performance and reliability may be impacted or the DIMMs may not function under the determined frequency Table 4 lists the supported DIMM configurations
92. tied to a particular processor speed Table 29 DC Loading Characteristics ae DC Current at Maximum loading 2 10 2 Add in Board Considerations The boards are designed to provide 2 A average of 5 V current for each add in board The total 5 V current draw for both boards is as follows a fully loaded D945GBO board all three expansion slots and the PCI Express x16 slot filled must not exceed 8 A 66 Technical Reference 2 10 3 Fan Connector Current Capability N 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 30 lists the current capability of the fan connectors Table 30 Fan Connector Current Capability Fan Connector Maximum Available Current Processor fan 3 0A Front chassis fan 1 5A Rear chassis fan 1 5A 2 10 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 29 when selecting a power supply for use with the board Additional power required will depend on configurations chosen by the integrator
93. ting Green LED T Green Yellow LED OM16513 Figure 11 LAN Connector LED Locations Table 5 LAN Connector LED States LED LED State Condition LAN link is not established Left Green LAN link is established LAN activity is occurring N A Off 10 Mbits sec data rate is selected Right On 100 Mbits sec data rate is selected 1000 Mbits sec data rate is selected 34 Product Description 1 12 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Management WfM specification The board has several hardware management features including the following 1 12 1 Chassis intrusion detection Fan monitoring and control through the hardware monitoring and fan control ASIC Thermal and voltage monitoring Hardware Monitoring and Fan Control ASIC The features of the hardware monitoring and fan control ASIC include Internal ambient temperature sensor Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing Power supply monitoring of five voltages 5 V 12 V 3 3 VSB 1 5 V and VCCP to detect levels above or below acceptable values 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 SMBus interface For information about Refer to The location of the fan connectors and sensors for thermal monitoring Figure 12
94. tional device should not share an interrupt with other PCI Conventional devices Use the following information to avoid sharing an interrupt with a PCI Conventional add in card PCI Conventional devices are categorized as follows to specify their interrupt grouping e INTA By default all add in cards that require only one interrupt are in this category For almost all cards that require more than one interrupt the first interrupt on the card is also classified as INTA e INTB Generally the second interrupt on add in cards that require two or more interrupts is classified as INTB This is not an absolute requirement e INTC and INTD Generally a third interrupt on add in cards is classified as INTC and a fourth interrupt is classified as INTD The ICH7DH has eight Programmable Interrupt Request PIRQ input signals All PCI Conventional interrupt sources either onboard or from a PCI Conventional add in card connect to one of these PIRQ signals Some PCI Conventional interrupt sources are electrically tied together on the board and therefore share the same interrupt Table 14 shows an example of how the PIRQ signals are routed Table 14 PCI Interrupt Routing Map ICH7DH PIRQ Signal Name PCI Interrupt Source PIRQA PIRQB PIRQC PIRQD PIRQE PIRQG PCI bus connector 1 ND INTA INTC NA jy PCI bus connector 2 IEEE 1394a controller NOTE In PIC mode the ICH7DH can connect each PIRQ line internally to
95. tions e European Union Declaration of Conformity statement e Product Ecology statements e Electromagnetic Compatibility EMC regulations e Product certification markings 2 14 1 Safety Regulations Desktop Board D945GBO complies with the safety regulations stated in Table 33 when correctly installed in a compatible host system Table 33 Safety Regulations Regulation Title UL 60950 1 2003 Information Technology Equipment Safety Part 1 General CSA C22 2 No 60950 1 03 Requirements USA and Canada EN 60950 1 2002 Information Technology Equipment Safety Part 1 General Requirements European Union IEC 60950 1 2001 First Edition Information Technology Equipment Safety Part 1 General Requirements International 2 14 2 European Union Declaration of Conformity Statement 72 We Intel Corporation declare under our sole responsibility that the product Intel Desktop Board D945GBO 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 Technical Reference Cestina Tento vyrobek odpovid poZa
96. tium D processor in an LGA775 socket with a 1066 or 800 MHz system bus e Four 240 pin DDR2 SDRAM Dual Inline Memory Module DIMM sockets e Support for DDR2 667 or DDR2 533 MHz DIMMs e Support for up to 4 GB of system memory Intel 945G Chipset consisting of e Intel 82945G Graphics Memory Controller Hub GMCH e Intel 82801GH I O Controller Hub ICH7DH Intel GMA950 onboard graphics subsystem 8 channel 7 1 audio subsystem with five analog audio outputs and one S PDIF digital audio output optical using the Sigmatel 9220 9223 audio codec Legacy I O controller for diskette drive serial parallel and PS 2 ports Support for USB 2 0 devices e Eight USB ports One serial port e Four Serial ATA interfaces e One Parallel ATA IDE interface with UDMA 33 ATA 66 100 support e One diskette drive interface e PS 2 keyboard and mouse ports RAID support levels 0 1 0 1 and 5 on the SATA interface IEEE 1394a controller and three IEEE 1394a connectors one back panel connector two front panel connectors Gigabit 10 100 1000 Mbits sec LAN subsystem using the Intel 82573L Gigabit Ethernet Controller e Intel BIOS resident in the SPI Flash device e Support for Advanced Configuration and Power Interface ACPI Plug and Play and SMBIOS e Two PCI Conventional bus connectors e One PCI Express x1 bus add in card connector One PCI Express x16 bus add in card connector e Support for PCI Local Bus Specificatio
97. uct Specification Portuguese Como parte deste compromisso com o respeito ao ambiente a Intel implementou Programa de Reciclagem de Produtos para que os consumidores finais possam enviar produtos Intel usados para locais selecionados onde esses produtos sao reciclados de maneira adequada Consulte o site http www intel com intel other ehs product_ecology Recycling Program htm em Ingl s para obter os detalhes sobre este programa inclusive o escopo dos produtos cobertos os locais dispon veis as instru es de envio os termos e condi es etc Russian B KauecTBe 4acTH cBoux OOs3aTeJIBCTB OKpyXarome cpene B Intel 3 8 8 nporpamma yruju3sanuuu IIponykumn Intel Product Recycling Program rpe tocraBJieHus HOJIB30BATEIIAM Mapok Intel BO3MOXKHOCTH BO3BPATA HCHONB3YEMOH IIDO IyKIIHH B CHEIMAJIH3MPOBAHHBIE oOpatutecb Ha BeG ca T http www intel com intel other ehs product_ecology Recycling Program htm 3a undopwauneii 06 3TOH riporpaMMe IIpHHHMaeMBIX Mecrax 8 HHCTDyKIIHsx OD OTIIPABKE IIOJIOXXEHHSIX H YCIIOBHAX H T JI T rk e Intel cevre sorumluluguna bagimliliginin bir pargas olarak perakende t keticilerin Intel markal kullanilmis r nlerini belirlenmis merkezlere iade edip uygun sekilde geri d n st rmesini ama layan Intel r nleri Geri D
98. xtended desktop configuration with different color depths and resolutions ADD2 ADD2 cards can be designed to support the following configurations e TV Out composite video e Transition Minimized Differential Signaling TMDS for DVI 1 0 e Low Voltage Differential Signaling LVDS e Single device operating in dual channel mode e VGA output e HDTV output 1 6 1 4 Configuration Modes A list of supported modes for the Intel GMA950 graphics controller is available as a downloadable document For information about Refer to Supported video modes for the board Section 1 3 page 15 1 6 2 USB The board supports up to eight USB 2 0 ports supports UHCI and EHCI and uses UHCI and EHCI compatible drivers The ICH7DH provides the USB controller for all ports The port arrangement is as follows e Four ports are implemented with dual stacked back panel connectors adjacent to the audio connectors e Four ports are routed to two separate front panel USB connectors NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements even if no device is attached to the cable Use shielded cable that meets the requirements for full speed devices For information about Refer to The location of the USB connectors on the back panel Figure 15 page 52 The location of the front panel USB connectors Figure 16 page 54 23 Intel Desktop Board D945GBO Technical Product Specification 1 6 3 IDE Sup

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