Product Specification
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Contents 1 Product Description 1.1 Overview ...10 1.1.1 Feature Summary 10 1.1.2 Manufacturing Options 11 1.1.3 Board Layout 12 1.1.4 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® 945P Chipset...21 1.5.1 USB ...21 1.5.2 IDE Support 22 1.5.3 Real-Time Clock, CMOS SRAM, and Battery 24 1.6 PCI Express Connectors 24 1.7 IEEE-1394a Connectors...
Contents 1 Product Description 1.1 Overview ...10 1.1.1 Feature Summary 10 1.1.2 Manufacturing Options 11 1.1.3 Board Layout 12 1.1.4 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® 945P Chipset...21 1.5.1 USB ...21 1.5.2 IDE Support 22 1.5.3 Real-Time Clock, CMOS SRAM, and Battery 24 1.6 PCI Express Connectors 24 1.7 IEEE-1394a Connectors...
Product Specification
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.... I /O Shield Dimensions 59 24. DMA Channels ...41 12. Dual Channel (Interleaved) Mode Configuration with Three DIMMs 18 6. Connection Diagram for Omni-directional Airflow 62 25. Processor Heatsink for Front Panel Connector 54 19. LAN Connector LED States 30 7. Contents 4 Error Messages and Beep Codes 4.1 Speaker ...79 4.2 BIOS Beep Codes...79 4.3 BIOS...
.... I /O Shield Dimensions 59 24. DMA Channels ...41 12. Dual Channel (Interleaved) Mode Configuration with Three DIMMs 18 6. Connection Diagram for Omni-directional Airflow 62 25. Processor Heatsink for Front Panel Connector 54 19. LAN Connector LED States 30 7. Contents 4 Error Messages and Beep Codes 4.1 Speaker ...79 4.2 BIOS Beep Codes...79 4.3 BIOS...
Product Specification
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... LED 55 31. DC Loading Characteristics 60 33. Safety Regulations ...66 37. Typical Port 80h POST Sequence 84 viii Processor Fan Connector 51 23. BIOS Setup Program Menu Bar 72 40. Intel Desktop Board D945PSN Technical Product Specification 14. PCI Interrupt Routing Map 46 16. Product Certification Markings 69 39. Boot Device...
... LED 55 31. DC Loading Characteristics 60 33. Safety Regulations ...66 37. Typical Port 80h POST Sequence 84 viii Processor Fan Connector 51 23. BIOS Setup Program Menu Bar 72 40. Intel Desktop Board D945PSN Technical Product Specification 14. PCI Interrupt Routing Map 46 16. Product Certification Markings 69 39. Boot Device...
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® 945P Chipset...21 1.6 PCI Express Connectors 24 1.7 IEEE-1394a Connectors (Optional 24 1.8 Legacy I/O Controller 25 1.9 Audio Subsystem ...26 1.10 LAN Subsystem ...28 1.11 Hardware Management Subsystem 31 1.12 Power Management ...33 1.13 Trusted Platform Module (Optional 38 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® 945P Chipset...21 1.6 PCI Express Connectors 24 1.7 IEEE-1394a Connectors (Optional 24 1.8 Legacy I/O Controller 25 1.9 Audio Subsystem ...26 1.10 LAN Subsystem ...28 1.11 Hardware Management Subsystem 31 1.12 Power Management ...33 1.13 Trusted Platform Module (Optional 38 9
Product Specification
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...; Fan speed control 10 Feature Summary Form Factor ATX (12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters]) Processor Support for an Intel® Pentium® 4 processor in an LGA775 socket with a 1066, 800, or 533 MHz system bus Memory Chipset • Four 240-pin DDR2 SDRAM Dual Inline...
...; Fan speed control 10 Feature Summary Form Factor ATX (12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters]) Processor Support for an Intel® Pentium® 4 processor in an LGA775 socket with a 1066, 800, or 533 MHz system bus Memory Chipset • Four 240-pin DDR2 SDRAM Dual Inline...
Product Specification
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... PCI Express x1 Slot 1 PCI Express x1 Slot 2 Parallel ATA IDE Connector Parallel ATA IDE Interface LGA775 Processor Socket System Bus (1066/800/533 MHz) PCI Express x16 Interface PCI Express x16 Connector Intel 945P Chipset Intel 82945P Memory Controller Hub (MCH) Gigabit Ethernet Controller (Optional) LAN Connector USB Back Panel/Front Panel...
... PCI Express x1 Slot 1 PCI Express x1 Slot 2 Parallel ATA IDE Connector Parallel ATA IDE Interface LGA775 Processor Socket System Bus (1066/800/533 MHz) PCI Express x16 Interface PCI Express x16 Connector Intel 945P Chipset Intel 82945P Memory Controller Hub (MCH) Gigabit Ethernet Controller (Optional) LAN Connector USB Back Panel/Front Panel...
Product Specification
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... "Desktop Board Support" Available configurations for the most up-to support Intel Pentium 4 processors in an LGA775 processor socket with a 1066, 800, or 533 MHz system bus. Use of supported processors. See the Intel web site listed below for the Desktop Board D945PSN Processor data sheets ICH7 addressing Custom splash screens Audio software and utilities LAN...
... "Desktop Board Support" Available configurations for the most up-to support Intel Pentium 4 processors in an LGA775 processor socket with a 1066, 800, or 533 MHz system bus. Use of supported processors. See the Intel web site listed below for the Desktop Board D945PSN Processor data sheets ICH7 addressing Custom splash screens Audio software and utilities LAN...
Product Specification
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...is used for host to Ultra DMA and is used . 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 supporting...transfer rate of four Serial ATA devices. For information about The location of the Parallel ATA IDE connector Refer to the operating system. Intel Desktop Board D945PSN Technical Product Specification 1.5.2 IDE Support The board provides five IDE interface connectors: • One parallel ATA IDE connector ...
...is used for host to Ultra DMA and is used . 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 supporting...transfer rate of four Serial ATA devices. For information about The location of the Parallel ATA IDE connector Refer to the operating system. Intel Desktop Board D945PSN Technical Product Specification 1.5.2 IDE Support The board provides five IDE interface connectors: • One parallel ATA IDE connector ...
Product Specification
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When the chassis cover is removed, the mechanical switch is in the closed -loop fan control, 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 ... and control is removed. Product Description 1.11 Hardware Management Subsystem The hardware management features enable the board to be implemented using Intel Desktop Utilities or third-party software. The level of the fan connectors and sensors for Management (WfM) specification.
When the chassis cover is removed, the mechanical switch is in the closed -loop fan control, 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 ... and control is removed. Product Description 1.11 Hardware Management Subsystem The hardware management features enable the board to be implemented using Intel Desktop Utilities or third-party software. The level of the fan connectors and sensors for Management (WfM) specification.
Product Specification
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Intel Desktop Board D945PSN Technical Product Specification 1.11.4 Thermal Monitoring Figure 13 shows the location of the sensors and fan connectors. 4 1 1 3 A B C 4 1 D 13 Item A B C D E F G G F E OM17954 Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan Front chassis fan Auxiliary fan (optional) Figure 13. Thermal Sensors and Fan Connectors 32
Intel Desktop Board D945PSN Technical Product Specification 1.11.4 Thermal Monitoring Figure 13 shows the location of the sensors and fan connectors. 4 1 1 3 A B C 4 1 D 13 Item A B C D E F G G F E OM17954 Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan Front chassis fan Auxiliary fan (optional) Figure 13. Thermal Sensors and Fan Connectors 32
Product Specification
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... uses information from the computer. stop grant D1, D2, D3 - sleeping state G2/S5 S3 - no power except for wake-up logic. No power D3 - Processor stopped C1 - Context saved to the system. Context not saved. D3 - no power except for wake-up logic. Power < 5 W (Note 2) Power < 5... saved to RAM. See the ACPI specification for appliances and personal computers. Soft off AC power is required. D3 - Intel Desktop Board D945PSN Technical Product Specification 1.12.1.1 System States and Power States Under ACPI, the operating system directs all system ...
... uses information from the computer. stop grant D1, D2, D3 - sleeping state G2/S5 S3 - no power except for wake-up logic. No power D3 - Processor stopped C1 - Context saved to the system. Context not saved. D3 - no power except for wake-up logic. Power < 5 W (Note 2) Power < 5... saved to RAM. See the ACPI specification for appliances and personal computers. Soft off AC power is required. D3 - Intel Desktop Board D945PSN Technical Product Specification 1.12.1.1 System States and Power States Under ACPI, the operating system directs all system ...
Product Specification
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... Last Power State feature in the following ways: 36 The LAN network adapter monitors network traffic at the Media Independent Interface. Intel Desktop Board D945PSN Technical Product Specification NOTE The use of Resume on Ring and Wake from USB technologies from an AC power failure...51 1.12.2.3 LAN Wake Capabilities CAUTION For LAN wake capabilities, the +5 V standby line for thermal monitoring The signal names of the processor fan connector The signal names of the chassis fan connectors Refer to provide adequate standby current when implementing LAN wake capabilities can be capable...
... Last Power State feature in the following ways: 36 The LAN network adapter monitors network traffic at the Media Independent Interface. Intel Desktop Board D945PSN Technical Product Specification NOTE The use of Resume on Ring and Wake from USB technologies from an AC power failure...51 1.12.2.3 LAN Wake Capabilities CAUTION For LAN wake capabilities, the +5 V standby line for thermal monitoring The signal names of the processor fan connector The signal names of the chassis fan connectors Refer to provide adequate standby current when implementing LAN wake capabilities can be capable...
Product Specification
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Technical Reference Table 22. Processor Fan Connector Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The board has two standard and one optional chassis fan connectors: • Front ...
Technical Reference Table 22. Processor Fan Connector Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The board has two standard and one optional chassis fan connectors: • Front ...
Product Specification
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.... ATX12V Power Connector Pin Signal Name 1 Ground 3 +12 V Pin Signal Name 2 Ground 4 +12 V 52 Intel Desktop Board D945PSN Technical Product Specification 2.8.2.2 Power Supply Connectors The board has power supply connectors: • Main power - Failure to the processor voltage regulator and must always be unconnected. The board supports the use a power supply with...
.... ATX12V Power Connector Pin Signal Name 1 Ground 3 +12 V Pin Signal Name 2 Ground 4 +12 V 52 Intel Desktop Board D945PSN Technical Product Specification 2.8.2.2 Power Supply Connectors The board has power supply connectors: • Main power - Failure to the processor voltage regulator and must always be unconnected. The board supports the use a power supply with...
Product Specification
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... automatically. Technical Reference 2.9 Jumper Block CAUTION Do not move the jumper with the power on. The maintenance menu is powered-up, the BIOS compares the processor version and the microcode version in the BIOS and reports if the two match. 31 J7J3 Figure 21. Always turn off the power and unplug...
... automatically. Technical Reference 2.9 Jumper Block CAUTION Do not move the jumper with the power on. The maintenance menu is powered-up, the BIOS compares the processor version and the microcode version in the BIOS and reports if the two match. 31 J7J3 Figure 21. Always turn off the power and unplug...
Product Specification
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... +5 V current draw for add-in Board Considerations The boards are based on a DC analysis of +5 V current for each add-in cards. Intel Desktop Board D945PSN Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 32 lists the DC loading characteristics of a power supply at : ...dependent on the board that is based on the minimum and maximum current draw possible from the board's power delivery subsystems to the processor, memory, and USB ports. The selection of the boards. This data is similar to determine the overall system power requirements. ...
... +5 V current draw for add-in Board Considerations The boards are based on a DC analysis of +5 V current for each add-in cards. Intel Desktop Board D945PSN Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 32 lists the DC loading characteristics of a power supply at : ...dependent on the board that is based on the minimum and maximum current draw possible from the board's power delivery subsystems to the processor, memory, and USB ports. The selection of the boards. This data is similar to determine the overall system power requirements. ...
Product Specification
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...of standby current required depends on configurations chosen by the integrator. Technical Reference 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be capable of the +5 VSB line (Section 4.2.1.2) • All timing parameters (Section 4.2.1.3) •... All voltage tolerances (Section 4.2.2) 61 The power supply must comply with the board. Fan Connector Current Capability Fan Connector Processor fan Front chassis fan Rear chassis fan Auxiliary fan (optional) Maximum Available Current 3.0 A 1.5 A 1.5 A 3.0 A 2.11.4 Power Supply...
...of standby current required depends on configurations chosen by the integrator. Technical Reference 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be capable of the +5 VSB line (Section 4.2.1.2) • All timing parameters (Section 4.2.1.3) •... All voltage tolerances (Section 4.2.2) 61 The power supply must comply with the board. Fan Connector Current Capability Fan Connector Processor fan Front chassis fan Rear chassis fan Auxiliary fan (optional) Maximum Available Current 3.0 A 1.5 A 1.5 A 3.0 A 2.11.4 Power Supply...
Product Specification
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...remains solely with the reader. CAUTION Ensure that merely following website: http://developer.intel.com/design/motherbd/cooling.htm All responsibility for determining the adequacy of 38 oC at the processor fan inlet is a requirement. OM16996 Figure 24. For a list of chassis ...type shown in some instances, damage to exceed their maximum case temperature and malfunction. Use a processor heatsink that have been tested with adequate thermal performance. Intel makes no warranties or representations that the ambient temperature does not exceed the board's maximum operating temperature...
...remains solely with the reader. CAUTION Ensure that merely following website: http://developer.intel.com/design/motherbd/cooling.htm All responsibility for determining the adequacy of 38 oC at the processor fan inlet is a requirement. OM16996 Figure 24. For a list of chassis ...type shown in some instances, damage to exceed their maximum case temperature and malfunction. Use a processor heatsink that have been tested with adequate thermal performance. Intel makes no warranties or representations that the ambient temperature does not exceed the board's maximum operating temperature...
Product Specification
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Figure 25 shows the locations of up to the voltage regulator circuit. Technical Reference CAUTION Ensure that proper airflow is maintained in an open chassis. A B D C OM17961 Item A B C D Description Processor voltage regulator area Processor Intel 82945P MCH Intel 82801G ICH7 Figure 25. Localized High Temperature Zones 63 The processor voltage regulator area (item A in Figure 25) can reach a temperature of the localized high temperature zones. Failure to do so may result in damage to 85 oC in the processor voltage regulator circuit.
Figure 25 shows the locations of up to the voltage regulator circuit. Technical Reference CAUTION Ensure that proper airflow is maintained in an open chassis. A B D C OM17961 Item A B C D Description Processor voltage regulator area Processor Intel 82945P MCH Intel 82801G ICH7 Figure 25. Localized High Temperature Zones 63 The processor voltage regulator area (item A in Figure 25) can reach a temperature of the localized high temperature zones. Failure to do so may result in damage to 85 oC in the processor voltage regulator circuit.
Product Specification
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... Intel Pentium 4 processor Intel 82945P MCH Intel 82801G ICH7 Maximum Case Temperature For processor case temperature, see processor datasheets and processor specification updates 103 oC (under bias) 110 oC (under bias, without heatsink) 99 oC (under bias, with heatsink) For information about Intel Pentium 4 processor ...the D945PSN board is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. Intel Desktop Board D945PSN Technical Product Specification Table 34 provides maximum case temperatures for the components that are important when ...
... Intel Pentium 4 processor Intel 82945P MCH Intel 82801G ICH7 Maximum Case Temperature For processor case temperature, see processor datasheets and processor specification updates 103 oC (under bias) 110 oC (under bias, without heatsink) 99 oC (under bias, with heatsink) For information about Intel Pentium 4 processor ...the D945PSN board is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. Intel Desktop Board D945PSN Technical Product Specification Table 34 provides maximum case temperatures for the components that are important when ...