
May 2005 Order Number: D14070-001US The Intel® Desktop Board D945GTP may contain design defects or errors known as errata that may cause the pro
Intel Desktop Board D945GTP Technical Product Specification 10 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the board
Product Description 11 1.1.2 Manufacturing Options Table 2 describes the manufacturing options. Not every manufacturing option is available in all m
Intel Desktop Board D945GTP Technical Product Specification 12 1.1.3 Board Layout Figure 1 shows the location of the major components. FACDEGHLNP OQ
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 D945GTP 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 D945GTP under “Desktop Boa
Intel Desktop Board D945GTP 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 D945GTP 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 D945GTP Technical Product Specification. May 2005 T
Intel Desktop Board D945GTP 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 D945GTP 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 D945GTP 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 D945GTP Technical Product Specification 26 1.5.4 Real-Time Clock, CMOS SRAM, and Battery A coin-cell battery (CR2032) powers th
Product Description 27 1.8 Legacy I/O Controller The legacy I/O controller provides the following features: • One serial port • One parallel port
Intel Desktop Board D945GTP Technical Product Specification 28 1.9 Audio Subsystem The board supports the Intel High Definition audio subsystem base
Product Description 29 Side SurroundLeft and Right/Line In/Retasking Jack[Blue]Line Out/Retasking Jack[Lime Green]Mic In/Retasking Jack [Pink]OM17816
iii Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, an
Intel Desktop Board D945GTP Technical Product Specification 30 1.9.4 6-Channel (5.1) Audio Subsystem The 6-channel (5.1) audio subsystem includes t
Product Description 31 1.10 LAN Subsystem The LAN subsystem consists of the following: • Physical layer interface device. As a manufacturing option
Intel Desktop Board D945GTP Technical Product Specification 32 1.10.2.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45
Product Description 33 1.10.3.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (as shown in Figure 14). T
Intel Desktop Board D945GTP Technical Product Specification 34 • Healing systems remotely, regardless of the operating system or system state: ⎯ I
Product Description 35 1.10.5 Alert Standard Format (ASF) Support (Optional) NOTE Alter Standard Format (ASF) support is available only on boards
Intel Desktop Board D945GTP Technical Product Specification 36 1.11.1 Hardware Monitoring and Fan Control ASIC The features of the hardware monitor
Product Description 37 1.11.4 Thermal Monitoring Figure 15 shows the location of the sensors and fan connectors. OM178371431DACEFB13 Item Descripti
Intel Desktop Board D945GTP Technical Product Specification 38 1.12 Power Management Power management is implemented at several levels, including: •
Product Description 39 1.12.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transitions
Intel Desktop Board D945GTP Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal (
Intel Desktop Board D945GTP Technical Product Specification 40 1.12.1.3 Wake-up Devices and Events Table 9 lists the devices or specific events tha
Product Description 41 NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides
Intel Desktop Board D945GTP Technical Product Specification 42 1.12.2.3 LAN Wake Capabilities CAUTION For LAN wake capabilities, the +5 V standby
Product Description 43 1.12.2.5 Resume on Ring The operation of Resume on Ring can be summarized as follows: • Resumes operation from ACPI S1 or S3
Intel Desktop Board D945GTP Technical Product Specification 44 1.12.2.10 +5 V Standby Power Indicator LED The +5 V standby power indicator LED show
45 2 Technical Reference What This Chapter Contains 2.1 Introduction ...
Intel Desktop Board D945GTP Technical Product Specification 46 • MCH base address registers, internal graphics ranges, PCI Express ports (up to 512
Technical Reference 47 2.2.2 Memory Map Table 10 lists the system memory map. Table 10. System Memory Map Address Range (decimal) Address Range (he
Intel Desktop Board D945GTP Technical Product Specification 48 2.4 Fixed I/O Map Table 12. I/O Map Address (hex) Size Description 0000 - 00FF 2
Technical Reference 49 2.5 PCI Configuration Space Map Table 13. PCI Configuration Space Map Bus Number (hex) Device Number (hex) Function Number (
v Contents 1 Product Description 1.1 Overview ...
Intel Desktop Board D945GTP Technical Product Specification 50 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt
Technical Reference 51 2.7 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connect
Intel Desktop Board D945GTP Technical Product Specification 52 NOTE In PIC mode, the ICH7 can connect each PIRQ line internally to one of the IRQ
Technical Reference 53 2.8 Connectors CAUTION Only the following connectors have overcurrent protection: back panel USB, front panel USB, and PS/2.
Intel Desktop Board D945GTP Technical Product Specification 54 2.8.1.1 Back Panel Connectors For 8-Channel (7.1) Audio Subsystem Figure 18 shows th
Technical Reference 55 2.8.1.2 Back Panel Connectors For 6-Channel (5.1) Audio Subsystem Figure 19 shows the location of the back panel connectors f
Intel Desktop Board D945GTP Technical Product Specification 56 2.8.2 Component-side Connectors Figure 20 shows the locations of the component-side c
Technical Reference 57 Table 18 lists the component-side connectors identified in Figure 20. Table 18. Component-side Connectors Shown in Figure 2
Intel Desktop Board D945GTP Technical Product Specification 58 Table 19. Front Panel Audio Connector Pin Signal Name Pin Signal Name 1 Port E [P
Technical Reference 59 Table 23. Processor Fan Connector Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL Table 24. Front and Rear Chassis
Intel Desktop Board D945GTP Technical Product Specification vi 2 Technical Reference 2.1 Introduction ...
Intel Desktop Board D945GTP Technical Product Specification 60 2.8.2.1 Power Supply Connectors The board has power supply connectors: • Main power
Technical Reference 61 2.8.2.2 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express x16: one connector support
Intel Desktop Board D945GTP Technical Product Specification 62 2.8.2.4 Front Panel Connector This section describes the functions of the front pane
Technical Reference 63 2.8.2.4.2 Reset Switch Connector [Purple] Pins 5 and 7 [Purple] can be connected to a momentary single pole, single throw (SP
Intel Desktop Board D945GTP Technical Product Specification 64 2.8.2.5 Front Panel USB Connectors Figure 22 is a connection diagram for the front p
Technical Reference 65 2.9 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from
Intel Desktop Board D945GTP Technical Product Specification 66 2.10 Mechanical Considerations 2.10.1 Form Factor The board is designed to fit into a
Technical Reference 67 2.10.2 I/O Shield The back panel I/O shield for the board must meet specific dimension and material requirements. Systems bas
Intel Desktop Board D945GTP Technical Product Specification 68 OM17933PictorialView20 ± 0.254 TYP[0.787 ± 0.10]162.3 REF[6.390]159.2 ± 0.12[6.268 ±
Technical Reference 69 2.11 Electrical Considerations 2.11.1 DC Loading Table 32 lists the DC loading characteristics of the boards. This data is ba
Contents vii 3.8 Adjusting Boot Speed...84 3.8.1 Pe
Intel Desktop Board D945GTP Technical Product Specification 70 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be connected
Technical Reference 71 2.12 Thermal Considerations CAUTION A chassis with a maximum internal ambient temperature of 38 oC at the processor fan inle
Intel Desktop Board D945GTP Technical Product Specification 72 CAUTION Ensure that proper airflow is maintained in the processor voltage regulator
Technical Reference 73 Table 34 provides maximum case temperatures for the components that are sensitive to thermal changes. The operating temperatu
Intel Desktop Board D945GTP Technical Product Specification 74 2.14 Environmental Table 35 lists the environmental specifications for the board. Tab
Technical Reference 75 2.15 Regulatory Compliance This section describes the Desktop Boards’ compliance with U.S. and international safety and electr
Intel Desktop Board D945GTP Technical Product Specification 76 2.15.2.1 FCC Compliance Statement (USA) Product Type: D945GTP Desktop Board This de
Technical Reference 77 Dutch Dit product is in navolging van de bepalingen van Europees Directief 89/336/EEC & 73/23/EEC. Suomi Tämä tuote noudat
Intel Desktop Board D945GTP Technical Product Specification 78 2.15.5 Product Certification Markings (Board Level) Table 38 lists the board’s produ
79 3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction ...
Intel Desktop Board D945GTP Technical Product Specification viii Tables 1. Feature Summary ...
Intel Desktop Board D945GTP Technical Product Specification 80 Table 39 lists the BIOS Setup program menu features. Table 39. 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 D945GTP 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 D945GTP 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 D945GTP Technical Product Specification 86
87 4 Error Messages and Beep Codes What This Chapter Contains 4.1 Speaker ...
Intel Desktop Board D945GTP 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 46. 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 Overview ...
Intel Desktop Board D945GTP Technical Product Specification 90 Table 46. Port 80h POST Codes (continued) POST Code Description of POST Operation
Error Messages and Beep Codes 91 Table 46. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for use
Intel Desktop Board D945GTP Technical Product Specification 92 Table 47. Typical Port 80h POST Sequence POST Code Description 21 Initializing a c
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