January 2006 Order Number: D36107-001US The Intel® Desktop Board D945GBO may contain design defects or errors known as errata that may cause the
Intel Desktop Board D945GBO Technical Product Specification 10 1.2 Overview 1.2.1 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 D945GBO Technical Product Specification 12 1.2.3 Board Layout Figure 1 shows the location of the major components. OM17934BA CHG
Product Description 13 Table 3. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A Front panel audio connector B Back pane
Intel Desktop Board D945GBO Technical Product Specification 14 1.2.4 Block Diagram Figure 2 is a block diagram of the major functional areas. Inte
Product Description 15 1.3 Online Support To find information about… Visit this World Wide Web site: Intel Desktop Board D945GBO under “Desktop Boa
Intel Desktop Board D945GBO Technical Product Specification 16 1.5 System Memory The board has four DIMM sockets and support the following memory fe
Product Description 17 1.5.1 Memory Configurations The Intel 82945G GMCH supports two types of memory organization: • Dual channel (Interleaved) mod
Intel Desktop Board D945GBO Technical Product Specification 18 1.5.1.1 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 D945GBO Technical Product Specification. January 200
Intel Desktop Board D945GBO Technical Product Specification 20 1.5.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interle
Product Description 21 1.6 Intel® 945G Chipset The Intel 945G chipset consists of the following devices: • Intel 82945G Graphics Memory Controller H
Intel Desktop Board D945GBO Technical Product Specification 22 • Video ⎯ Hardware motion compensation for MPEG2 ⎯ Software DVD at 30 fps full scr
Product Description 23 ADD2/ADD2+ card can either be configured to support simultaneous display with the primary VGA display or can be configured to
Intel Desktop Board D945GBO Technical Product Specification 24 1.6.3 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 D945GBO 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 D945GBO 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 D945GBO Technical Product Specification 30 1.7 PCI Express* Connectors The board provides the following PCI Express connectors:
Product Description 31 1.9.1 Serial Port The Serial port A connector is located on the back panel. The serial port supports data transfers at speeds
Intel Desktop Board D945GBO Technical Product Specification 32 1.10 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 D945GBO Technical Product Specification 34 1.11 LAN Subsystem The LAN subsystem consists of the following: • Intel 82573L Gigab
Product Description 35 1.12 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Mana
Intel Desktop Board D945GBO Technical Product Specification 36 1.12.4 Thermal Monitoring Figure 12 shows the location of the sensors and fan connect
Product Description 37 1.13 Power Management Power management is implemented at several levels, including: • Software support through Advanced Confi
Intel Desktop Board D945GBO Technical Product Specification 38 1.13.1.1 System States and Power States Under ACPI, the operating system directs all
Product Description 39 1.13.1.3 Wake-up Devices and Events Table 8 lists the devices or specific events that can wake the computer from specific sta
Intel Desktop Board D945GBO Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal (
Intel Desktop Board D945GBO Technical Product Specification 40 Resume on Ring enables telephony devices to access the computer when it is in a power
Product Description 41 Depending on the LAN implementation, the board supports LAN wake capabilities with ACPI in the following ways: • The PCI Expr
Intel Desktop Board D945GBO Technical Product Specification 42 CAUTION Do not open the computer chassis when it is in the Intel QRTD off state. Op
Product Description 43 OM17939CR2H1 Figure 13. Location of the Standby Power Indicator LED 1.14 Trusted Platform Module (Optional) The optional Tru
Intel Desktop Board D945GBO Technical Product Specification 44
45 2 Technical Reference What This Chapter Contains 2.1 Memory Resources...
Intel Desktop Board D945GBO Technical Product Specification 46 The amount of installed memory that can be used will vary based on add-in cards and B
Technical Reference 47 2.1.2 Memory Map Table 9 lists the system memory map. Table 9. System Memory Map Address Range (decimal) Address Range (hex)
Intel Desktop Board D945GBO Technical Product Specification 48 2.3 Fixed I/O Map Table 11. I/O Map Address (hex) Size Description 0000 - 00FF 2
Technical Reference 49 2.4 PCI Configuration Space Map Table 12. PCI Configuration Space Map Bus Number (hex) Device Number (hex) Function Number (
v Contents 1 Product Description 1.1 Power Connector Terminology Change...9
Intel Desktop Board D945GBO Technical Product Specification 50 2.5 Interrupts The interrupts can be routed through either the Programmable Interrupt
Technical Reference 51 2.6 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connect
Intel Desktop Board D945GBO Technical Product Specification 52 2.7 Connectors CAUTION Only the following connectors have overcurrent protection: b
Technical Reference 53 Table 15 lists the back panel connectors identified in Figure 15. NOTE The back panel audio line out connector is designed
Intel Desktop Board D945GBO Technical Product Specification 54 2.7.2 Component-side Connectors Figure 16 shows the locations of the component-side c
Technical Reference 55 Table 16 lists the component-side connectors identified in Figure 16. Table 16. Component-side Connectors Shown in Figure 1
Intel Desktop Board D945GBO Technical Product Specification 56 Table 17. Front Panel Audio Connector Pin Signal Name Pin Signal Name 1 Port E [Po
Technical Reference 57 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 D945GBO Technical Product Specification 58 2.7.2.2 Add-in Card Connectors The board has the following add-in card connectors: •
Technical Reference 59 2.7.2.4 Front Panel Connector This section describes the functions of the front panel connector. Table 25 lists the signal n
Intel Desktop Board D945GBO Technical Product Specification vi 2 Technical Reference 2.1 Memory Resources...
Intel Desktop Board D945GBO Technical Product Specification 60 2.7.2.4.2 Reset Switch Connector [Purple] Pins 5 and 7 [Purple] can be connected to
Technical Reference 61 2.7.2.5 Front Panel USB Connectors Figure 18 is a connection diagram for the front panel USB connectors. # INTEGRATOR’S NOT
Intel Desktop Board D945GBO Technical Product Specification 62 2.8 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off
Technical Reference 63 2.9 Mechanical Considerations 2.9.1 Form Factor The board is designed to fit into a BTX-form-factor chassis. Figure 21 illust
Intel Desktop Board D945GBO Technical Product Specification 64 2.9.2 I/O Shield The back panel I/O shield for the board must meet specific dimension
Technical Reference 65 Ø 1.00[0.039]0.00[0.00]9.18[0.36]9.40[0.370]5.84[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
Intel Desktop Board D945GBO Technical Product Specification 66 2.10 Electrical Considerations 2.10.1 DC Loading Table 29 lists the DC loading charac
Technical Reference 67 2.10.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a
Intel Desktop Board D945GBO Technical Product Specification 68 2.11 Thermal Considerations CAUTION This board requires the use of a Type II (Low Pr
Technical Reference 69 OM17940A CBDE Item Description A Intel 82945G GMCH B Intel 82801GH ICH7DH C 1.5 V core and front side bus voltage regulator a
Contents vii 3.8 Adjusting Boot Speed...84 3.8.1 Pe
Intel Desktop Board D945GBO Technical Product Specification 70 Table 31 provides maximum case temperatures for the components that are sensitive to
Technical Reference 71 2.13 Environmental Table 32 lists the environmental specifications for the board. Table 32. Environmental Specifications Para
Intel Desktop Board D945GBO Technical Product Specification 72 2.14 Regulatory Compliance This section contains the following regulatory compliance
Technical Reference 73 Čeština Tento výrobek odpovídá požadavkům evropských směrnic 89/336/EEC a 73/23/EEC. Dansk Dette produkt er i overensstemmel
Intel Desktop Board D945GBO Technical Product Specification 74 2.14.3 Product Ecology Statements The following information is provided to address w
Technical Reference 75 Español Como parte de su compromiso de responsabilidad medioambiental, Intel ha implantado el programa de reciclaje de product
Intel Desktop Board D945GBO Technical Product Specification 76 Portuguese Como parte deste compromisso com o respeito ao ambiente, a Intel implement
Technical Reference 77 2.14.4 EMC Regulations Desktop Board D945GBO complies with the EMC regulations stated in Table 35 when correctly installed in
Intel Desktop Board D945GBO Technical Product Specification 78 2.14.5 Product Certification Markings (Board Level) Desktop Board D945GBO has the pr
79 3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction ...
Intel Desktop Board D945GBO Technical Product Specification viii 11. I/O Map ...
Intel Desktop Board D945GBO Technical Product Specification 80 Table 37 lists the BIOS Setup program menu features. Table 37. BIOS Setup Program Me
Overview of BIOS Features 81 automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending on the capability of the d
Intel Desktop Board D945GBO Technical Product Specification 82 5. The operating system loads. While the operating system is loading, USB keyboards
Overview of BIOS Features 83 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 D945GBO Technical Product Specification 84 3.8 Adjusting Boot Speed These factors affect system boot speed: • Selecting and co
Overview of BIOS Features 85 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who c
Intel Desktop Board D945GBO Technical Product Specification 86
87 4 Error Messages and Beep Codes What This Chapter Contains 4.1 Speaker...
Intel Desktop Board D945GBO Technical Product Specification 88 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress code
Error Messages and Beep Codes 89 Table 44. Port 80h POST Codes POST Code Description of POST Operation Host Processor 10 Power-on initialization
9 1 Product Description What This Chapter Contains 1.1 Power Connector Terminology Change...
Intel Desktop Board D945GBO Technical Product Specification 90 Table 44. Port 80h POST Codes (continued) POST Code Description of POST Operation
Error Messages and Beep Codes 91 Table 44. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for use
Intel Desktop Board D945GBO Technical Product Specification 92 Table 45. Typical Port 80h POST Sequence POST Code Description 21 Initializing a c
Comments to this Manuals