Intel BOXD945GBOLKR Technical Product Specification Download

Page: 1 / 92

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.

Intel

Desktop Board

D945GBO

Technical Product Specification

Summary of Contents for BOXD945GBOLKR

Page 1: ...ontain 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 Speci...

Page 2: ...her 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 fu...

Page 3: ...n 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 the BIOS Setup program 4 A description of the BIOS error m...

Page 4: ...s a connector located at 5J It is the first connector in the 5J area GB Gigabyte 1 073 741 824 bytes GB sec Gigabytes per second Gbits sec Gigabits per second KB Kilobyte 1024 bytes Kbit Kilobit 1024...

Page 5: ...30 1 9 Legacy I O Controller 30 1 9 1 Serial Port 31 1 9 2 Parallel Port Optional 31 1 9 3 Diskette Drive Controller 31 1 9 4 Keyboard and Mouse Interface 31 1 10 Audio Subsystem 32 1 10 1 Audio Subs...

Page 6: ...0 4 Power Supply Considerations 67 2 11 Thermal Considerations 68 2 12 Reliability 70 2 13 Environmental 71 2 14 Regulatory Compliance 72 2 14 1 Safety Regulations 72 2 14 2 European Union Declaration...

Page 7: ...Block Diagram 33 11 LAN Connector LED Locations 34 12 Thermal Sensors and Fan Connectors 36 13 Location of the Standby Power Indicator LED 43 14 Detailed System Memory Address Map 46 15 Back Panel Co...

Page 8: ...leep LED Connector 58 25 Front Panel Connector 59 26 States for a One Color Power LED 60 27 States for a Two Color Power LED 60 28 BIOS Setup Configuration Jumper Settings 62 29 DC Loading Characteris...

Page 9: ...1 11 LAN Subsystem 34 1 12 Hardware Management Subsystem 35 1 13 Power Management 37 1 14 Trusted Platform Module Optional 43 1 1 Power Connector Terminology Change Technical Product Specifications fo...

Page 10: ...rial parallel and PS 2 ports USB Support for USB 2 0 devices Peripheral Interfaces Eight USB ports One serial port Four Serial ATA interfaces One Parallel ATA IDE interface with UDMA 33 ATA 66 100 sup...

Page 11: ...l 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 wh...

Page 12: ...Specification 12 1 2 3 Board Layout Figure 1 shows the location of the major components OM17934 B A C H G F I K J L N Z W X Y FF CC BB AA EE P O S R T U V Q M D E DD Figure 1 Board Components Table 3...

Page 13: ...K BIOS Setup configuration jumper block L Front panel IEEE 1394a connectors 2 M Legacy I O controller N Diskette drive connector O Front panel connector P Front chassis fan connector Q Auxiliary fron...

Page 14: ...n Control ASIC OM18266 Audio Codec PCI Express x16 Interface PCI Express x16 Connector connector or socket PCI Bus SMBus High Definition Audio Link USB Dual Channel Memory Bus SMBus PCI Slot 1 PCI Slo...

Page 15: ...ties http www intel com design motherbd LAN software and drivers http www intel com design motherbd Supported video modes http www intel com design motherbd bo bo_documentation htm 1 4 Processor The b...

Page 16: ...e 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 m...

Page 17: ...ls the slowest memory timing will be used 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...

Page 18: ...el A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 1 GB 1 GB Figure 4 Dual Channel Interleaved Mode Configuration with Two DIMMs Figure 5 shows a dual channel configuration using three DIMMs In this exampl...

Page 19: ...the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B Also the DIMMs are matched between DIMM0 and DIMM1 of both channels OM17944 Channel A DIMM 0 Channel A DIMM 1 Chann...

Page 20: ...ot populated OM17945 Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 256 MB Figure 7 Single Channel Asymmetric Mode Configuration with One DIMM Figure 8 shows a single channel conf...

Page 21: ...her 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...

Page 22: ...total system memory installed Up to 128 MB can be allocated to DVMT on systems that have 256 MB but less than 512 MB of total installed system memory Up to 64 MB can be allocated to DVMT when less th...

Page 23: ...ent 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 compatib...

Page 24: ...re 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...

Page 25: ...vides 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 d...

Page 26: ...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 Parist...

Page 27: ...ordo com as regulamenta es ambientais da regi o A CIARO ZNA UPOZORN N 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 zlikvid...

Page 28: ...ecte reglement rile locale privind protec ia mediului UPOZORNENIE Ak bat riu vymen te za nespr vny typ hroz nebezpe enstvo jej v buchu Bat rie by sa mali pod a mo nosti v dy recyklova Likvid cia pou i...

Page 29: ...Product Description 29...

Page 30: ...face 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 optio...

Page 31: ...l 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 F...

Page 32: ...r 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 b...

Page 33: ...PDIF Digital Audio Out Optical Figure 9 Front Back Panel Audio Connectors Figure 10 is a block diagram of the 8 channel 7 1 audio subsystem 82801GH I O Controller Hub ICH7DH OM18264 Intel High Definit...

Page 34: ...o IEEE 802 3x flow control support Jumbo frame support TCP IP UDP checksum offload Transmit TCP segmentation Advanced packet filtering Full device driver compatibility PCI Express Power Management Sup...

Page 35: ...t 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 inform...

Page 36: ...and fan connectors OM17936 E D C A F B 3 1 1 2 1 4 1 3 Item Description A Remote ambient temperature sensor B Thermal diode located on processor die C Ambient temperature sensor internal to hardware...

Page 37: ...er 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...

Page 38: ...power except for wake up logic Power 5 W Note 2 G1 sleeping state S4 Suspend to disk Context saved to disk No power D3 no power except for wake up logic Power 5 W Note 2 G2 S5 S5 Soft off Context not...

Page 39: ...s 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 CAUTION Ensure that the power supply prov...

Page 40: ...rs is as follows The fans are on when the board is in the S0 or S1 state The fans are off when the board is off or in the S3 S4 or S5 state Each fan connector is wired to a fan tachometer input of the...

Page 41: ...ent 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 req...

Page 42: ...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 S...

Page 43: ...ities 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 m...

Page 44: ...Intel Desktop Board D945GBO Technical Product Specification 44...

Page 45: ...he address space that is allocated for PCI Conventional bus add in cards PCI Express configuration space BIOS SPI Flash and chipset overhead resides above the top of DRAM total system memory On a syst...

Page 46: ...dd 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 1 MB 960 KB 896 KB 768 KB 640 KB 0 KB 0FFFFFH 0F0000H 0EFFFFH 0E0000H 0DFFFFH 0C0000H 0...

Page 47: ...I Conventional bus Dependent on video adapter used 640 K 800 K A0000 C7FFF 160 KB Video memory and BIOS 639 K 640 K 9FC00 9FFFF 1 KB Extended BIOS data movable by memory manager software 512 K 639 K 8...

Page 48: ...3 03F0 03F5 6 bytes Diskette channel 03F4 03F7 1 byte Primary Parallel ATA IDE channel control block 03F8 03FF 8 bytes COM1 04D0 04D1 2 bytes Edge level triggered PIC LPTn 400 8 bytes ECP port LPTn ba...

Page 49: ...port 4 00 1D 00 USB UHCI controller 1 00 1D 01 USB UHCI controller 2 00 1D 02 USB UHCI controller 3 00 1D 03 USB UHCI controller 4 00 1D 07 EHCI controller 00 1E 00 PCI bridge 00 1F 00 PCI controller...

Page 50: ...PIC 3 User available 4 COM1 Note 1 5 User available 6 Diskette drive 7 LPT1 Note 1 8 Real time clock 9 User available 10 User available 11 User available 12 Onboard mouse port if present else user av...

Page 51: ...lassified as INTB This is not an absolute requirement 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...

Page 52: ...rnal 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 b...

Page 53: ...Item callout from Figure 15 Description A PS 2 mouse port Green B PS 2 keyboard port Purple C Serial port A Teal D Parallel port Burgundy optional E VGA port F IEEE 1394a connector G USB ports two H...

Page 54: ...side Connectors Figure 16 shows the locations of the component side connectors OM17935 B A C D H E F G I J O L K N M T S P Q R V W U 1 2 9 10 1 3 1 4 1 2 3 4 1 3 1 3 1 9 2 1 2 33 34 1 10 2 1 10 2 39...

Page 55: ...ial ATA connector 2 H Serial ATA connector 3 I Front panel USB connector J Front panel USB connector K Main power connector L PCI Express x16 bus add in card connector M PCI Conventional bus add in ca...

Page 56: ...2 Sense send jack detection 8 Key 9 Port F Port 2 Left Channel 10 Port F Port 2 Sense return jack detection INTEGRATOR S NOTE The front panel audio connector is colored yellow Table 18 Chassis Intrusi...

Page 57: ...t always be used Failure to do so will prevent the board 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...

Page 58: ...ventional bus connectors All of the PCI Conventional bus connectors are bus master capable SMBus signals are routed to PCI Conventional bus connector 2 This enables PCI Conventional bus add in boards...

Page 59: ...llow LED Reset Switch Purple On Off Switch 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...

Page 60: ...olor 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 Sleepi...

Page 61: ...7 5 3 1 Key no pin No Connect 10 Power 5 V DC D D Ground D Ground D Power 5 V DC One USB Port One USB Port Figure 18 Connection Diagram for Front Panel USB Connectors 2 7 2 6 Front Panel IEEE 1394a C...

Page 62: ...l 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 ma...

Page 63: ...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 OM17938 10 250 260 36...

Page 64: ...eters inches The figures also indicate the position of each cutout Additional design considerations for I O shields relative to chassis requirements are described in the BTX specification NOTE The I O...

Page 65: ...0 23 17 19 0 677 52 70 2 075 90 34 3 557 110 58 4 354 140 39 5 53 0 00 0 00 9 18 0 361 11 55 0 455 Pictorial View 13 00 TYP 0 512 172 93 REF 6 808 169 98 0 12 0 13 6 692 0 004 0 005 OM18267 Figure 23...

Page 66: ...ons 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 d...

Page 67: ...A Front chassis fan 1 5 A Rear chassis fan 1 5 A 2 10 4 Power Supply Considerations CAUTION The 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure...

Page 68: ...l 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 tem...

Page 69: ...OM17940 A C B D E Item Description A Intel 82945G GMCH B Intel 82801GH ICH7DH C 1 5 V core and front side bus voltage regulator areas D Processor E Processor voltage regulator area Figure 24 Localized...

Page 70: ...sheets 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 information about Refer to Intel P...

Page 71: ...C Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches second Packaged Half sine 2 millisecond Product weight pounds Free fall inches Velocity change inches sec 20 36 167 21 40 30...

Page 72: ...uirements 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...

Page 73: ...sto prodotto conforme alla Direttiva Europea 89 336 EEC 73 23 EEC Latvie u is produkts atbilst Eiropas Direkt vu 89 336 EEC un 73 23 EEC noteikumiem Lietuvi is produktas atitinka Europos direktyv 89 3...

Page 74: ...consult the http www intel com intel other ehs product_ecology Recycling_Program htm for the details of this program including the scope of covered products available locations shipping instructions...

Page 75: ...ettre 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_Progr...

Page 76: ...perakende t keticilerin Intel markal kullan lm r nlerini belirlenmi merkezlere iade edip uygun ekilde geri d n t rmesini ama layan Intel r nleri Geri D n m Program n uygulamaya koymu tur Bu program n...

Page 77: ...ompatibility Australia and New Zealand CISPR 22 3rd Edition Class B Limits and methods of measurement of Radio Disturbance Characteristics of Information Technology Equipment International CISPR 24 19...

Page 78: ...aring 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 23...

Page 79: ...ge 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 co...

Page 80: ...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 Autoconfigur...

Page 81: ...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 BIOS data such as...

Page 82: ...reation of a boot diskette and manual rebooting of the system Using this utility the BIOS can be updated from a file on a 1 44 MB diskette from a legacy diskette drive or an LS 120 diskette drive or a...

Page 83: ...a network add in card with a remote boot ROM installed Pressing the F12 key during POST automatically forces booting from the LAN To use this key during POST the User Access Level in the BIOS Setup p...

Page 84: ...e following BIOS Setup program settings reduces the POST execution time 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 whic...

Page 85: ...ssword 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 eithe...

Page 86: ...Intel Desktop Board D945GBO Technical Product Specification 86...

Page 87: ...des Type Pattern Frequency Memory error Three long beeps 1280 Hz Thermal warning Four alternating beeps High tone low tone high tone low tone High tone 2000 Hz Low tone 1600 Hz 4 3 BIOS Error Messages...

Page 88: ...es 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 H...

Page 89: ...ntroller and the DIMMs 25 Configuring memory 26 Optimizing memory settings 27 Initializing memory such as ECC init 28 Testing memory PCI Bus 50 Enumerating PCI busses 51 Allocating resources to PCI bu...

Page 90: ...Fixed Media B0 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 rem...

Page 91: ...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 S...

Page 92: ...zation 13 SMM initialization 50 Enumerating PCI busses 51 Allocating resourced to PCI bus 92 Detecting the presence of the keyboard 90 Resetting keyboard 94 Clearing keyboard input buffer 95 Keyboard...

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