Product Specification
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Contents 1 Product Description 1.1 Overview 10 1.1.1 Feature Summary 10 1.1.2 Board Layout 12 1.1.3 Block Diagram 14 1.2 Online Support 15 1.3 Processor 15 1.4 System Memory 16 1.4.1 Memory Configurations 17 1.5 Intel® 945GC Chipset 17 1.5.1 Intel 945GC Graphics Subsystem 17 1.5.2 USB 19 1.5.3 IDE Support 19 1.5.4 Real-Time Clock, CMOS SRAM, and Battery 21 1.6 Legacy I/O Controller 21 1.6.1 Diskette Drive Controller...
Contents 1 Product Description 1.1 Overview 10 1.1.1 Feature Summary 10 1.1.2 Board Layout 12 1.1.3 Block Diagram 14 1.2 Online Support 15 1.3 Processor 15 1.4 System Memory 16 1.4.1 Memory Configurations 17 1.5 Intel® 945GC Chipset 17 1.5.1 Intel 945GC Graphics Subsystem 17 1.5.2 USB 19 1.5.3 IDE Support 19 1.5.4 Real-Time Clock, CMOS SRAM, and Battery 21 1.6 Legacy I/O Controller 21 1.6.1 Diskette Drive Controller...
Product Specification
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Connection Diagram for a Two-Color Power LED 44 21. LAN Connector LED States 24 5. Processor Fan Header 41 14. Main Power Connector 41 16. States for Front Panel USB Headers 45 12. Thermal Considerations for a One-Color Power LED 44 ... 1 13 3. Fan Header Current Capability 50 24. Wake-up Devices and Events 29 8. Board Dimensions 48 14. Serial Port Header 40 13. Board Components 12 2. Processor Core Power Connector 42 17. Location of the Jumper Block 46 13.
Connection Diagram for a Two-Color Power LED 44 21. LAN Connector LED States 24 5. Processor Fan Header 41 14. Main Power Connector 41 16. States for Front Panel USB Headers 45 12. Thermal Considerations for a One-Color Power LED 44 ... 1 13 3. Fan Header Current Capability 50 24. Wake-up Devices and Events 29 8. Board Dimensions 48 14. Serial Port Header 40 13. Board Components 12 2. Processor Core Power Connector 42 17. Location of the Jumper Block 46 13.
Product Specification
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1 Product Description What This Chapter Contains 1.1 Overview 10 1.2 Online Support 15 1.3 Processor 15 1.4 System Memory 16 1.5 Intel® 945GC Chipset 17 1.6 Legacy I/O Controller 21 1.7 Audio Subsystem 22 1.8 LAN Subsystem 23 1.9 Hardware Management Subsystem 25 1.10 Power Management 27 9
1 Product Description What This Chapter Contains 1.1 Overview 10 1.2 Online Support 15 1.3 Processor 15 1.4 System Memory 16 1.5 Intel® 945GC Chipset 17 1.6 Legacy I/O Controller 21 1.7 Audio Subsystem 22 1.8 LAN Subsystem 23 1.9 Hardware Management Subsystem 25 1.10 Power Management 27 9
Product Specification
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... series in an LGA775 socket with an 800 MHz system bus • Intel® Celeron D processor in the SPI Flash device) • Support for up to 2 GB of system memory Intel® 945GC Chipset, consisting of the board. Table 1. Intel Desktop Board D945GCPE Technical Product Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features...
... series in an LGA775 socket with an 800 MHz system bus • Intel® Celeron D processor in the SPI Flash device) • Support for up to 2 GB of system memory Intel® 945GC Chipset, consisting of the board. Table 1. Intel Desktop Board D945GCPE Technical Product Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features...
Product Specification
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... header B PCI Conventional bus add-in card connector #2 C PCI Conventional bus add-in card connector #1 D Rear chassis fan header E Back panel connectors F Processor core power connector (2 X 2) G Intel 82945GC GMCH H LGA775 processor socket I Processor fan header J DIMM socket K DIMM socket L Main Power connector (2 X 12) M Diskette drive connector N Parallel ATE IDE connector O Battery P Serial ATA connectors...
... header B PCI Conventional bus add-in card connector #2 C PCI Conventional bus add-in card connector #1 D Rear chassis fan header E Back panel connectors F Processor core power connector (2 X 2) G Intel 82945GC GMCH H LGA775 processor socket I Processor fan header J DIMM socket K DIMM socket L Main Power connector (2 X 12) M Diskette drive connector N Parallel ATE IDE connector O Battery P Serial ATA connectors...
Product Specification
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... for the most up-to support the following processors: • Intel Core 2 Duo processor in an LGA775 socket with a 1066 or 800 MHz system bus • Intel Pentium Dual-Core processor in an LGA775 socket with an 800 MHz system bus • Intel Pentium D processor in an LGA775 socket with an 800 or ...533 MHz system bus • Intel Pentium 4 processor in an LGA775 socket with an 800 or 533 MHz system bus • Intel Celeron processor 400-series in an LGA775 socket with an 800 MHz system bus • Intel Celeron D processor in an LGA775 socket with a 533 MHz system bus...
... for the most up-to support the following processors: • Intel Core 2 Duo processor in an LGA775 socket with a 1066 or 800 MHz system bus • Intel Pentium Dual-Core processor in an LGA775 socket with an 800 MHz system bus • Intel Pentium D processor in an LGA775 socket with an 800 or ...533 MHz system bus • Intel Pentium 4 processor in an LGA775 socket with an 800 or 533 MHz system bus • Intel Celeron processor 400-series in an LGA775 socket with an 800 MHz system bus • Intel Celeron D processor in an LGA775 socket with a 533 MHz system bus...
Product Specification
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... and ATA devices using the Windows* XP operating system. In legacy mode, standard IDE I /O (PIO): processor controls data transfer. • 8237-style DMA: DMA offloads the processor, supporting transfer rates of up to 16 MB/sec. • Ultra DMA: DMA protocol on IDE bus ...maximum transfer rate of up to reduce reflections, noise, and inductive coupling. For more information, see: http://www.serialata.org/ 20 Intel Desktop Board D945GCPE Technical Product Specification 1.5.3.1 Parallel ATE IDE Interface The ICH7's Parallel ATA IDE controller has one bus-mastering Parallel ATA...
... and ATA devices using the Windows* XP operating system. In legacy mode, standard IDE I /O (PIO): processor controls data transfer. • 8237-style DMA: DMA offloads the processor, supporting transfer rates of up to 16 MB/sec. • Ultra DMA: DMA protocol on IDE bus ...maximum transfer rate of up to reduce reflections, noise, and inductive coupling. For more information, see: http://www.serialata.org/ 20 Intel Desktop Board D945GCPE Technical Product Specification 1.5.3.1 Parallel ATE IDE Interface The ICH7's Parallel ATA IDE controller has one bus-mastering Parallel ATA...
Product Specification
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... 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 •...
... 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 •...
Product Specification
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Thermal Sensors and Fan Headers 26 Intel Desktop Board D945GCPE Technical Product Specification 1.9.4 Thermal Monitoring Figure 5 shows the location of the sensors and fan headers. Item A B C Description Rear chassis fan Thermal diode, located on processor die Processor fan Figure 5.
Thermal Sensors and Fan Headers 26 Intel Desktop Board D945GCPE Technical Product Specification 1.9.4 Thermal Monitoring Figure 5 shows the location of the sensors and fan headers. Item A B C Description Rear chassis fan Thermal diode, located on processor die Processor fan Figure 5.
Product Specification
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.... sleeping state G1 - Context saved to put the system as a whole into a low-power state. S5 - No power to http://www.intel.com/go/energystar 28 No power D3 - working C0 - Full power > 30 W G1 - sleeping state G1 - S4 - device specification .... 1.10.1.2 ENERGY STAR* In 2007, the US Department of Energy and the US Environmental Protection Agency revised the ENERGY STAR* requirements. Table 6. working state S0 - Processor stopped C1 - D3 - no power except for wake-up logic. 5 W < power < 52.5 W Power < 5 W (Note 2) Power < 5 W (Note 2) Power <...
.... sleeping state G1 - Context saved to put the system as a whole into a low-power state. S5 - No power to http://www.intel.com/go/energystar 28 No power D3 - working C0 - Full power > 30 W G1 - sleeping state G1 - S4 - device specification .... 1.10.1.2 ENERGY STAR* In 2007, the US Department of Energy and the US Environmental Protection Agency revised the ENERGY STAR* requirements. Table 6. working state S0 - Processor stopped C1 - D3 - no power except for wake-up logic. 5 W < power < 52.5 W Power < 5 W (Note 2) Power < 5 W (Note 2) Power <...
Product Specification
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.... For information about The location of the fan headers The location of the fan headers and sensors for thermal monitoring The signal names of the processor fan header The signal names of the Legacy I/O controller for hardware monitoring and fan control. • All fan headers support closed-loop fan control ...the fan on or off as follows: • The fans are off when the board is off or in the BIOS Setup program's Boot menu. Intel Desktop Board D945GCPE Technical Product Specification NOTE The use of Wake from USB from an AC power failure, the computer returns to the power state...
.... For information about The location of the fan headers The location of the fan headers and sensors for thermal monitoring The signal names of the processor fan header The signal names of the Legacy I/O controller for hardware monitoring and fan control. • All fan headers support closed-loop fan control ...the fan on or off as follows: • The fans are off when the board is off or in the BIOS Setup program's Boot menu. Intel Desktop Board D945GCPE Technical Product Specification NOTE The use of Wake from USB from an AC power failure, the computer returns to the power state...
Product Specification
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... 2 C PCI Conventional bus add-in Figure 9. Technical Reference Table 8 lists the component-side connectors and headers identified in card connector 1 D Rear chassis fan header E Processor core power connector (2 X 2) F Processor fan header G Main power connector (2 X 12) H Diskette drive connector I Parallel ATA IDE connector J Serial ATA connector 1 K Serial ATA connector 0 L Auxiliary front panel power...
... 2 C PCI Conventional bus add-in Figure 9. Technical Reference Table 8 lists the component-side connectors and headers identified in card connector 1 D Rear chassis fan header E Processor core power connector (2 X 2) F Processor fan header G Main power connector (2 X 12) H Diskette drive connector I Parallel ATA IDE connector J Serial ATA connector 1 K Serial ATA connector 0 L Auxiliary front panel power...
Product Specification
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... the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected. • Processor core power - Failure to the processor voltage regulator and must always be unconnected. 41 When using a 2 x 10 power supply cable, this pin will... Pin Signal Name Pin Signal Name 1 +3.3 V 13 +3.3 V 2 +3.3 V 14 -12 V 3 Ground 15 Ground 4 +5 V 16 PS-ON# (power supply remote on Intel Desktop boards. This connector provides power directly to do so will be used on /off) 5 Ground 17 Ground 6 +5 V 18 Ground 7 Ground 19 Ground 8 PWRGD (Power...
... the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected. • Processor core power - Failure to the processor voltage regulator and must always be unconnected. 41 When using a 2 x 10 power supply cable, this pin will... Pin Signal Name Pin Signal Name 1 +3.3 V 13 +3.3 V 2 +3.3 V 14 -12 V 3 Ground 15 Ground 4 +5 V 16 PS-ON# (power supply remote on Intel Desktop boards. This connector provides power directly to do so will be used on /off) 5 Ground 17 Ground 6 +5 V 18 Ground 7 Ground 19 Ground 8 PWRGD (Power...
Product Specification
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...: two PCI Conventional bus add-in boards with SMBus support can access sensor data and other information residing on the boards. Intel Desktop Board D945GCPE Technical Product Specification Table 16. This enables PCI Conventional bus add-in card connectors. Table 17. Auxiliary Front... LED Header Pin Signal Name 1 HDR_BLNK_GRN 2 Not connected 3 HDR_BLNK_YEL In/Out Out Out Description Front panel green LED Front panel yellow LED 42 Processor Core Power Connector Pin Signal Name Pin 1 Ground 2 3 +12 V 4 Signal Name Ground +12 V 2.2.2.2 Add-in cards with SMBus ...
...: two PCI Conventional bus add-in boards with SMBus support can access sensor data and other information residing on the boards. Intel Desktop Board D945GCPE Technical Product Specification Table 16. This enables PCI Conventional bus add-in card connectors. Table 17. Auxiliary Front... LED Header Pin Signal Name 1 HDR_BLNK_GRN 2 Not connected 3 HDR_BLNK_YEL In/Out Out Out Description Front panel green LED Front panel yellow LED 42 Processor Core Power Connector Pin Signal Name Pin 1 Ground 2 3 +12 V 4 Signal Name Ground +12 V 2.2.2.2 Add-in cards with SMBus ...
Product Specification
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.... 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. Intel Desktop Board D945GCPE Technical Product Specification 2.3 Jumper Block CAUTION Do not move the jumper with the power on...
.... 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. Intel Desktop Board D945GCPE Technical Product Specification 2.3 Jumper Block CAUTION Do not move the jumper with the power on...
Product Specification
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... power supply. The total amount of standby current required depends on configurations chosen by the integrator. Failure to http://support.intel.com/support/motherboards/desktop/sb/CS-026472.htm 49 Additional power required will depend on the wake devices supported and manufacturing options...8226; All timing parameters • All voltage tolerances For example, for a system consisting of a supported 65 W processor (see section 1.3 on page 15 for a list of supported processors), 1 GB DDR2 RAM, one hard disk drive, one optical drive, and all board peripherals enabled, the minimum ...
... power supply. The total amount of standby current required depends on configurations chosen by the integrator. Failure to http://support.intel.com/support/motherboards/desktop/sb/CS-026472.htm 49 Additional power required will depend on the wake devices supported and manufacturing options...8226; All timing parameters • All voltage tolerances For example, for a system consisting of a supported 65 W processor (see section 1.3 on page 15 for a list of supported processors), 1 GB DDR2 RAM, one hard disk drive, one optical drive, and all board peripherals enabled, the minimum ...
Product Specification
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... the instructions presented in board. Fan Header Current Capability Fan Header Maximum Available Current Processor fan 2.0 A Chassis fan 1.5 A 2.5.3 Add-in Board Considerations The board is a requirement. Intel Desktop Board D945GCPE Technical Product Specification 2.5.2 Fan Header Current Capability CAUTION The processor fan must not exceed 6 A. 2.6 Thermal Considerations CAUTION A chassis with the reader. Table 23...
... the instructions presented in board. Fan Header Current Capability Fan Header Maximum Available Current Processor fan 2.0 A Chassis fan 1.5 A 2.5.3 Add-in Board Considerations The board is a requirement. Intel Desktop Board D945GCPE Technical Product Specification 2.5.2 Fan Header Current Capability CAUTION The processor fan must not exceed 6 A. 2.6 Thermal Considerations CAUTION A chassis with the reader. Table 23...
Product Specification
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Technical Reference CAUTION Ensure that proper airflow is maintained in the processor voltage regulator circuit. Failure to do so could cause components to the voltage regulator circuit. Figure 14 shows the locations ...malfunction. CAUTION Ensure that the ambient temperature does not exceed the board's maximum operating temperature. The processor voltage regulator area (item A in Section 2.8. Item A B C D Description Processor voltage regulator area Processor Intel 82945GC GMCH Intel 82801GB ICH7 Figure 14. Failure to do so may result in an open chassis. Localized High ...
Technical Reference CAUTION Ensure that proper airflow is maintained in the processor voltage regulator circuit. Failure to do so could cause components to the voltage regulator circuit. Figure 14 shows the locations ...malfunction. CAUTION Ensure that the ambient temperature does not exceed the board's maximum operating temperature. The processor voltage regulator area (item A in Section 2.8. Item A B C D Description Processor voltage regulator area Processor Intel 82945GC GMCH Intel 82801GB ICH7 Figure 14. Failure to do so may result in an open chassis. Localized High ...
Product Specification
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... Component Processor Intel 82945GC GMCH Intel 82801GB ICH7 Maximum Case Temperature For processor case temperature, see processor datasheets and processor specification updates 99 oC (under bias) 110 oC (under bias, without heatsink) 99 oC (under bias, with heatsink) For information about Processor datasheets and...to Section 1.2, page 15 2.7 Reliability The Mean Time Between Failures (MTBF) prediction is 57,845 hours. 52 Intel Desktop Board D945GCPE Technical Product Specification Table 24 provides maximum case temperatures for the components that are important when considering ...
... Component Processor Intel 82945GC GMCH Intel 82801GB ICH7 Maximum Case Temperature For processor case temperature, see processor datasheets and processor specification updates 99 oC (under bias) 110 oC (under bias, without heatsink) 99 oC (under bias, with heatsink) For information about Processor datasheets and...to Section 1.2, page 15 2.7 Reliability The Mean Time Between Failures (MTBF) prediction is 57,845 hours. 52 Intel Desktop Board D945GCPE Technical Product Specification Table 24 provides maximum case temperatures for the components that are important when considering ...
Product Specification
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... Advanced Security Power Boot Exit NOTE The maintenance menu is displayed only when the Desktop Board is powered-up, the BIOS compares the processor version and the microcode version in configure mode. The initial production BIOSs are identified as PE94510M.86A. Section 2.3 on page 46 shows... 58 3.6 Legacy USB Support 59 3.7 Boot Options 59 3.8 Adjusting Boot Speed 61 3.9 BIOS Security Features 62 3.1 Introduction The boards use an Intel BIOS that is shown below. When the BIOS Setup configuration jumper is set to configure mode and the computer is in the BIOS and reports...
... Advanced Security Power Boot Exit NOTE The maintenance menu is displayed only when the Desktop Board is powered-up, the BIOS compares the processor version and the microcode version in configure mode. The initial production BIOSs are identified as PE94510M.86A. Section 2.3 on page 46 shows... 58 3.6 Legacy USB Support 59 3.7 Boot Options 59 3.8 Adjusting Boot Speed 61 3.9 BIOS Security Features 62 3.1 Introduction The boards use an Intel BIOS that is shown below. When the BIOS Setup configuration jumper is set to configure mode and the computer is in the BIOS and reports...