
January 2006 Order Number: D36106-001US The Intel® Desktop Board D945GPM may contain design defects or errors known as errata that may cause the
Intel Desktop Board D945GPM Technical Product Specification 10 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the board
Product Description 11 Table 1. Feature Summary (continued) Hardware Monitor Subsystem • Hardware monitoring and fan control ASIC • Voltage sense
Intel Desktop Board D945GPM Technical Product Specification 12 1.1.3 Board Layout Figure 1 shows the location of the major components. FACDEGHLO NPQ
Product Description 13 Table 3. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A Audio codec B Front panel audio connect
Intel Desktop Board D945GPM Technical Product Specification 14 1.1.4 Block Diagram Figure 2 is a block diagram of the major functional areas. Inte
Product Description 15 1.2 Online Support To find information about… Visit this World Wide Web site: Intel Desktop Board D945GPM under “Desktop Boa
Intel Desktop Board D945GPM Technical Product Specification 16 1.4 System Memory The board has four DIMM sockets and support the following memory fe
Product Description 17 1.4.1 Memory Configurations The Intel 82945G GMCH supports two types of memory organization: • Dual channel (Interleaved) mod
Intel Desktop Board D945GPM Technical Product Specification 18 1.4.1.1 Dual Channel (Interleaved) Mode Configurations Figure 4 shows a dual channel
Product Description 19 Figure 6 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs in Chan
Revision History Revision Revision History Date -001 First release of the Intel® Desktop Board D945GPM Technical Product Specification. January 200
Intel Desktop Board D945GPM Technical Product Specification 20 1.4.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interle
Product Description 21 1.5 Intel® 945G Chipset The Intel 945G chipset consists of the following devices: • Intel 82945G Graphics Memory Controller H
Intel Desktop Board D945GPM Technical Product Specification 22 • Video ⎯ Hardware motion compensation for MPEG2 ⎯ Software DVD at 30 fps full scr
Product Description 23 1.5.1.3 Advanced Digital Display (ADD2/ADD2+) Card Support The GMCH routes two multiplexed DVO ports that are each capable of
Intel Desktop Board D945GPM Technical Product Specification 24 1.5.3 IDE Support The board provides five IDE interface connectors: • One parallel A
Product Description 25 NOTE Many Serial ATA drives use new low-voltage power connectors and require adaptors or power supplies equipped with low-vo
Intel Desktop Board D945GPM Technical Product Specification 26 CAUTION Risk of explosion if the battery is replaced with an incorrect type. Batter
Product Description 27 WAARSCHUWING Er bestaat ontploffingsgevaar als de batterij wordt vervangen door een onjuist type batterij. Batterijen moeten
Intel Desktop Board D945GPM Technical Product Specification 28 OSTRZEŻENIE Istnieje niebezpieczeństwo wybuchu w przypadku zastosowania niewłaściweg
Product Description 29
iii Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, an
Intel Desktop Board D945GPM Technical Product Specification 30 1.6 PCI Express* Connectors The board provides the following PCI Express connectors:
Product Description 31 1.8.1 Serial Port The Serial port A connector is located on the back panel. The serial port supports data transfers at speeds
Intel Desktop Board D945GPM Technical Product Specification 32 1.9 Audio Subsystem The board supports the Intel® High Definition audio subsystem bas
Product Description 33 Side SurroundLeft and Right/Line In/Retasking Jack[Blue]Line Out/Retasking Jack[Lime Green]Mic In/Retasking Jack [Pink]OM17816
Intel Desktop Board D945GPM Technical Product Specification 34 1.10 LAN Subsystem The LAN subsystem consists of the following: • Physical layer int
Product Description 35 1.10.2.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 11). Gre
Intel Desktop Board D945GPM Technical Product Specification 36 1.10.3.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45
Product Description 37 1.11.2 Chassis Intrusion and Detection The board supports a chassis security feature that detects if the chassis cover is rem
Intel Desktop Board D945GPM Technical Product Specification 38 1.11.4 Thermal Monitoring Figure 13 shows the location of the sensors and fan connect
Product Description 39 1.12 Power Management Power management is implemented at several levels, including: • Software support through Advanced Confi
Intel Desktop Board D945GPM Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal (
Intel Desktop Board D945GPM Technical Product Specification 40 1.12.1.1 System States and Power States Under ACPI, the operating system directs all
Product Description 41 1.12.1.3 Wake-up Devices and Events Table 9 lists the devices or specific events that can wake the computer from specific sta
Intel Desktop Board D945GPM Technical Product Specification 42 Resume on Ring enables telephony devices to access the computer when it is in a power
Product Description 43 1.12.2.3 LAN Wake Capabilities CAUTION For LAN wake capabilities, the +5 V standby line for the power supply must be capable
Intel Desktop Board D945GPM Technical Product Specification 44 ⎯ Power continues to the vital components on the system (CPU, memory, and fans, for
Product Description 45 1.12.2.11 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when t
Intel Desktop Board D945GPM Technical Product Specification 46
47 2 Technical Reference What This Chapter Contains 2.1 Memory Resources...
Intel Desktop Board D945GPM Technical Product Specification 48 The amount of installed memory that can be used will vary based on add-in cards and B
Technical Reference 49 2.1.2 Memory Map Table 10 lists the system memory map. Table 10. System Memory Map Address Range (decimal) Address Range (he
v Contents 1 Product Description 1.1 Overview ...
Intel Desktop Board D945GPM Technical Product Specification 50 2.3 Fixed I/O Map Table 12. I/O Map Address (hex) Size Description 0000 - 00FF 2
Technical Reference 51 2.4 PCI Configuration Space Map Table 13. PCI Configuration Space Map Bus Number (hex) Device Number (hex) Function Number (
Intel Desktop Board D945GPM Technical Product Specification 52 2.5 Interrupts The interrupts can be routed through either the Programmable Interrupt
Technical Reference 53 2.6 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connect
Intel Desktop Board D945GPM Technical Product Specification 54 2.7 Connectors CAUTION Only the following connectors have overcurrent protection: b
Technical Reference 55 Table 16 lists the back panel connectors identified in Figure 16. NOTE The back panel audio line out connector is designed
Intel Desktop Board D945GPM Technical Product Specification 56 2.7.2 Component-side Connectors Figure 17 shows the locations of the component-side c
Technical Reference 57 Table 17 lists the component-side connectors identified in Figure 17. Table 17. Component-side Connectors Shown in Figure 1
Intel Desktop Board D945GPM Technical Product Specification 58 Table 19. Chassis Intrusion Connector Pin Signal Name 1 Intruder 2 Ground Table 20.
Technical Reference 59 2.7.2.1 Power Supply Connectors The board has power supply connectors: • Main power – a 2 x 12 connector. This connector is
Intel Desktop Board D945GPM Technical Product Specification vi 2 Technical Reference 2.1 Memory Resources...
Intel Desktop Board D945GPM Technical Product Specification 60 2.7.2.2 Add-in Card Connectors The board has the following add-in card connectors: •
Technical Reference 61 2.7.2.4 Front Panel Connector This section describes the functions of the front panel connector. Table 26 lists the signal n
Intel Desktop Board D945GPM Technical Product Specification 62 2.7.2.4.2 Reset Switch Connector [Purple] Pins 5 and 7 [Purple] can be connected to
Technical Reference 63 2.7.2.5 Front Panel USB Connectors Figure 19 is a connection diagram for the front panel USB connectors. # INTEGRATOR’S NOT
Intel Desktop Board D945GPM Technical Product Specification 64 2.8 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off
Technical Reference 65 2.9 Mechanical Considerations 2.9.1 Form Factor The board is designed to fit into an ATX- or microATX-form-factor chassis. Fi
Intel Desktop Board D945GPM Technical Product Specification 66 2.9.2 I/O Shield The back panel I/O shield for the board must meet specific dimension
Technical Reference 67 OM18265PictorialView20 ± 0.254 TYP[0.787 ± 0.10]162.3 REF[6.390]159.2 ± 0.12[6.268 ± 0.005]1.6 ± 0.12[0.063 ± 0.005]1.55 REF[0
Intel Desktop Board D945GPM Technical Product Specification 68 2.10 Electrical Considerations 2.10.1 DC Loading Table 30 lists the DC loading charac
Technical Reference 69 2.10.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a
Contents vii 3.8 Adjusting Boot Speed...86 3.8.1 Pe
Intel Desktop Board D945GPM Technical Product Specification 70 2.11 Thermal Considerations CAUTION A chassis with a maximum internal ambient temper
Technical Reference 71 CAUTION Ensure that proper airflow is maintained in the processor voltage regulator circuit. Failure to do so may result in
Intel Desktop Board D945GPM Technical Product Specification 72 Table 32 provides maximum case temperatures for the components that are sensitive to
Technical Reference 73 2.13 Environmental Table 33 lists the environmental specifications for the board. Table 33. Environmental Specifications Para
Intel Desktop Board D945GPM Technical Product Specification 74 2.14 Regulatory Compliance This section contains the following regulatory compliance
Technical Reference 75 Čeština Tento výrobek odpovídá požadavkům evropských směrnic 89/336/EEC a 73/23/EEC. Dansk Dette produkt er i overensstemmel
Intel Desktop Board D945GPM Technical Product Specification 76 2.14.3 Product Ecology Statements The following information is provided to address w
Technical Reference 77 Español Como parte de su compromiso de responsabilidad medioambiental, Intel ha implantado el programa de reciclaje de product
Intel Desktop Board D945GPM Technical Product Specification 78 Portuguese Como parte deste compromisso com o respeito ao ambiente, a Intel implement
Technical Reference 79 2.14.4 EMC Regulations Desktop Board D945GPM complies with the EMC regulations stated in Table 36 when correctly installed in
Intel Desktop Board D945GPM Technical Product Specification viii 9. Wake-up Devices and Events...
Intel Desktop Board D945GPM Technical Product Specification 80 2.14.5 Product Certification Markings (Board Level) Desktop Board D945GPM has the pr
81 3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction ...
Intel Desktop Board D945GPM Technical Product Specification 82 Table 38 lists the BIOS Setup program menu features. Table 38. BIOS Setup Program Me
Overview of BIOS Features 83 automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending on the capability of the d
Intel Desktop Board D945GPM Technical Product Specification 84 5. The operating system loads. While the operating system is loading, USB keyboards
Overview of BIOS Features 85 3.7 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives, CD-ROM, or t
Intel Desktop Board D945GPM Technical Product Specification 86 3.8 Adjusting Boot Speed These factors affect system boot speed: • Selecting and co
Overview of BIOS Features 87 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who c
Intel Desktop Board D945GPM Technical Product Specification 88
89 4 Error Messages and Beep Codes What This Chapter Contains 4.1 Speaker...
9 1 Product Description What This Chapter Contains 1.1 Overview ...
Intel Desktop Board D945GPM Technical Product Specification 90 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress code
Error Messages and Beep Codes 91 Table 45. Port 80h POST Codes POST Code Description of POST Operation Host Processor 10 Power-on initialization
Intel Desktop Board D945GPM Technical Product Specification 92 Table 45. Port 80h POST Codes (continued) POST Code Description of POST Operation
Error Messages and Beep Codes 93 Table 45. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for use
Intel Desktop Board D945GPM Technical Product Specification 94 Table 46. Typical Port 80h POST Sequence POST Code Description 21 Initializing a c
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