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Current characterized errata are documented in the Intel Desktop Board D845BG/D845PT Specification Update. Intel® Desktop Board D845BG/D845PT Technical Product Specification November 2001 Order Number: A75852-001 The Intel® Desktop Boards D845BG/D845PT may contain design defects or errors known as errata that may cause the product to deviate from published specifications.
Current characterized errata are documented in the Intel Desktop Board D845BG/D845PT Specification Update. Intel® Desktop Board D845BG/D845PT Technical Product Specification November 2001 Order Number: A75852-001 The Intel® Desktop Boards D845BG/D845PT may contain design defects or errors known as errata that may cause the product to deviate from published specifications.
Product Specification
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..., CO 80217-9808 or call in the Intel Desktop Board D845BG/D845PT Specification Update before placing your product order. The furnishing of the Intel® Desktop Board D845BG/D845PT Technical Product Specification. Intel may have an ordering number and are available on request. Changes to this document. Intel products are registered trademarks of Intel Corporation or its subsidiaries in which have...
..., CO 80217-9808 or call in the Intel Desktop Board D845BG/D845PT Specification Update before placing your product order. The furnishing of the Intel® Desktop Board D845BG/D845PT Technical Product Specification. Intel may have an ordering number and are available on request. Changes to this document. Intel products are registered trademarks of Intel Corporation or its subsidiaries in which have...
Product Specification
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... information. CAUTION Cautions are included to important information. What This Document Contains Chapter 1 2 3 4 5 Description A description of the hardware used in all of these Intel® Desktop Boards: D845BG and D845PT. It describes the standard product and available manufacturing options. It is intended to provide detailed, technical information about the conventions used on the D845BG...
... information. CAUTION Cautions are included to important information. What This Document Contains Chapter 1 2 3 4 5 Description A description of the hardware used in all of these Intel® Desktop Boards: D845BG and D845PT. It describes the standard product and available manufacturing options. It is intended to provide detailed, technical information about the conventions used on the D845BG...
Product Specification
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... a component, N indicates component type, xn are the relative coordinates of its location on the D845BG and D845PT boards, and X is the instance of their respective owners. This symbol is used in the 5J area. Intel Desktop Board D845BG/D845PT Technical Product Specification Other Common Notation # (NxnX) GB GB/sec KB Kbit kbits/sec MB MB/sec...
... a component, N indicates component type, xn are the relative coordinates of its location on the D845BG and D845PT boards, and X is the instance of their respective owners. This symbol is used in the 5J area. Intel Desktop Board D845BG/D845PT Technical Product Specification Other Common Notation # (NxnX) GB GB/sec KB Kbit kbits/sec MB MB/sec...
Product Specification
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Intel Desktop Board D845BG/D845PT Technical Product Specification 2 Technical Reference 2.1 Introduction...47 2.2 Memory Map ...47 2.3 I/O Map ...48 2.4 DMA Channels ...50 2.5 PCI Configuration Space Map 50 2.6 Interrupts ...51 2.7 PCI...BIOS Setup Configuration Jumper Block 76 2.10 Mechanical Considerations 77 2.10.1 D845BG Form Factor 77 2.10.2 D845PT Form Factor 78 2.10.3 I/O Shield ...79 2.11 Electrical Considerations 82 2.11.1 Power Consumption 82 2.11.2 Add-in Board Considerations 82 2.11.3 Standby Current Requirements 83 2.11.4 Fan Connector Current Capability 84 2.11.5 Power ...
Intel Desktop Board D845BG/D845PT Technical Product Specification 2 Technical Reference 2.1 Introduction...47 2.2 Memory Map ...47 2.3 I/O Map ...48 2.4 DMA Channels ...50 2.5 PCI Configuration Space Map 50 2.6 Interrupts ...51 2.7 PCI...BIOS Setup Configuration Jumper Block 76 2.10 Mechanical Considerations 77 2.10.1 D845BG Form Factor 77 2.10.2 D845PT Form Factor 78 2.10.3 I/O Shield ...79 2.11 Electrical Considerations 82 2.11.1 Power Consumption 82 2.11.2 Add-in Board Considerations 82 2.11.3 Standby Current Requirements 83 2.11.4 Fan Connector Current Capability 84 2.11.5 Power ...
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...23. Auxiliary Line In Connector 60 27. Power and Hardware Control Connectors 61 14. D845PT Add-in Board and Peripheral Interface Connectors 64 15. I/O Shield Dimensions (for boards without the LAN Subsystem, but not USB 2.0) ..........79 21. Supported Memory Configurations ... and Targeted System Power 40 10. Serial Port A Connector 57 22. Mic In Connector ...57 26. Intel Desktop Board D845BG/D845PT Technical Product Specification 10. Location of Board Differences 11 2. External I /O Map ...48 14. Localized High Temperature Zones 86 Tables 1. USB Connectors......
...23. Auxiliary Line In Connector 60 27. Power and Hardware Control Connectors 61 14. D845PT Add-in Board and Peripheral Interface Connectors 64 15. I/O Shield Dimensions (for boards without the LAN Subsystem, but not USB 2.0) ..........79 21. Supported Memory Configurations ... and Targeted System Power 40 10. Serial Port A Connector 57 22. Mic In Connector ...57 26. Intel Desktop Board D845BG/D845PT Technical Product Specification 10. Location of Board Differences 11 2. External I /O Map ...48 14. Localized High Temperature Zones 86 Tables 1. USB Connectors......
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Boot Block Recovery Code Checkpoints 123 83. Runtime Code Uncompressed in F000 Shadow RAM 124 84. Bus Initialization Checkpoints 127 85. Beep Codes...129 x Uncompressed INIT Code Checkpoints 123 82. BIOS Error Messages 121 81. Upper Nibble High Byte Functions 127 86. Lower Nibble High Byte Functions 128 87. Intel Desktop Board D845BG/D845PT Technical Product Specification 80.
Boot Block Recovery Code Checkpoints 123 83. Runtime Code Uncompressed in F000 Shadow RAM 124 84. Bus Initialization Checkpoints 127 85. Beep Codes...129 x Uncompressed INIT Code Checkpoints 123 82. BIOS Error Messages 121 81. Upper Nibble High Byte Functions 127 86. Lower Nibble High Byte Functions 128 87. Intel Desktop Board D845BG/D845PT Technical Product Specification 80.
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... PCI bus connectors. ✏ NOTE Most of the items listed in this document show only the D845PT board. 1 Product Description What This Chapter Contains 1.1 Board Differences...11 1.2 Overview ...12 1.3 Online Support ...18 1.4 Operating System Support 18 1.5 Design Specifications... Intel® 845 Chipset...25 1.9 I/O Controller ...30 1.10 Audio Subsystem...33 1.11 LAN Subsystem (Optional 35 1.12 CNR (Optional) ...36 1.13 Hardware Management Subsystem 37 1.14 Power Management 38 1.1 Board Differences This TPS describes these Intel® Desktop boards: D845BG and D845PT. The boards...
... PCI bus connectors. ✏ NOTE Most of the items listed in this document show only the D845PT board. 1 Product Description What This Chapter Contains 1.1 Board Differences...11 1.2 Overview ...12 1.3 Online Support ...18 1.4 Operating System Support 18 1.5 Design Specifications... Intel® 845 Chipset...25 1.9 I/O Controller ...30 1.10 Audio Subsystem...33 1.11 LAN Subsystem (Optional 35 1.12 CNR (Optional) ...36 1.13 Hardware Management Subsystem 37 1.14 Power Management 38 1.1 Board Differences This TPS describes these Intel® Desktop boards: D845BG and D845PT. The boards...
Product Specification
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...Peripheral Interfaces Expansion Capabilities Hardware Monitor Subsystem For the D845PT board: http://developer.intel.com/design/motherbd/pt/pt_mem.htm Intel® 845 Chipset, consisting of: • Intel® 82845 Memory Controller Hub (MCH) • Intel® 82801BA I /O controller • Up ... Hub (ICH2) • Intel® 82802AB 4 Mbit Firmware Hub (FWH) Audio subsystem for a maximum onboard capacity of range thermal values • Two fan sense inputs used to monitor fan activity continued 12 Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2 Overview ...
...Peripheral Interfaces Expansion Capabilities Hardware Monitor Subsystem For the D845PT board: http://developer.intel.com/design/motherbd/pt/pt_mem.htm Intel® 845 Chipset, consisting of: • Intel® 82845 Memory Controller Hub (MCH) • Intel® 82801BA I /O controller • Up ... Hub (ICH2) • Intel® 82802AB 4 Mbit Firmware Hub (FWH) Audio subsystem for a maximum onboard capacity of range thermal values • Two fan sense inputs used to monitor fan activity continued 12 Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2 Overview ...
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... connector K IDE connectors L Diskette drive connector M Intel 82802AB 4 Mbit Firmware Hub (FWH) N Speaker O Front panel connector P Intel 82801BA I/O Controller Hub (ICH2) Q NEC µPD720100 USB 2.0 host controller (optional) R Battery S PCI bus add-in card connectors T CNR connector (optional) Figure 1. D845BG Board Components 14 Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2.3 Board Layouts Figure 1 shows the location of...
... connector K IDE connectors L Diskette drive connector M Intel 82802AB 4 Mbit Firmware Hub (FWH) N Speaker O Front panel connector P Intel 82801BA I/O Controller Hub (ICH2) Q NEC µPD720100 USB 2.0 host controller (optional) R Battery S PCI bus add-in card connectors T CNR connector (optional) Figure 1. D845BG Board Components 14 Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2.3 Board Layouts Figure 1 shows the location of...
Product Specification
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Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2.4 Block Diagram Figure 3 is a block diagram of the major functional areas of the standard D845BG and D845PT boards. Block Diagram OM13008 16 See Figure 6 on page 27 for USB port routing. = connector or socket USB Primary/ Secondary IDE UDMA 33 and ATA-66/...
Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2.4 Block Diagram Figure 3 is a block diagram of the major functional areas of the standard D845BG and D845PT boards. Block Diagram OM13008 16 See Figure 6 on page 27 for USB port routing. = connector or socket USB Primary/ Secondary IDE UDMA 33 and ATA-66/...
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... operating systems: • Microsoft Windows† 98 SE • Windows ME • Windows NT† 4.0 • Windows 2000 • Windows XP For information about ... Intel Desktop Board D845BG/D845PT Technical Product Specification 1.3 Online Support To find information about Supported drivers Refer to Section 1.3 ✏ NOTE Third party vendors may offer other operating system. 18
... operating systems: • Microsoft Windows† 98 SE • Windows ME • Windows NT† 4.0 • Windows 2000 • Windows XP For information about ... Intel Desktop Board D845BG/D845PT Technical Product Specification 1.3 Online Support To find information about Supported drivers Refer to Section 1.3 ✏ NOTE Third party vendors may offer other operating system. 18
Product Specification
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..., 1995, Phoenix Technologies Limited and International Business Machines Corporation. Revision 1.0, June 2000, JEDEC Solid State Technology Association. Revision 2.2, December 18, 1998, PCI Special Interest Group. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 4. Version 1.7, 1997, Institute of Electrical and Electronic Engineers. Revision 1.1, December 18, 1998, PCI Special Interest Group. http://www.jedec.org...
..., 1995, Phoenix Technologies Limited and International Business Machines Corporation. Revision 1.0, June 2000, JEDEC Solid State Technology Association. Revision 2.2, December 18, 1998, PCI Special Interest Group. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 4. Version 1.7, 1997, Institute of Electrical and Electronic Engineers. Revision 1.1, December 18, 1998, PCI Special Interest Group. http://www.jedec.org...
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See the Intel® Desktop Board D845BG/D845PT Specification Update for these boards. The D845BG and D845PT boards support the processors listed in a µPGA478 socket) with the D845BG and D845PT boards. Supported Processors Type Designation Pentium 4 processor 1.5, 1.6, 1.7, 1.8, 1.9, and 2.0 GHz System Bus 400 MHz L2 ...and 4-pin leads of the processor. All supported onboard memory can damage the board, the processor, and the power supply. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.6 Processor CAUTION Use only the processors listed below.
See the Intel® Desktop Board D845BG/D845PT Specification Update for these boards. The D845BG and D845PT boards support the processors listed in a µPGA478 socket) with the D845BG and D845PT boards. Supported Processors Type Designation Pentium 4 processor 1.5, 1.6, 1.7, 1.8, 1.9, and 2.0 GHz System Bus 400 MHz L2 ...and 4-pin leads of the processor. All supported onboard memory can damage the board, the processor, and the power supply. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.6 Processor CAUTION Use only the processors listed below.
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... M x 8/8 M x 8 16 M x 8/16 M x 8 16 M x 16/16 M x 16 32 M x 8/empty 32 M x 8/32 M x 8 4 12 (Notes 1 and 2) 16 (Notes 1 and 2) 16 (Notes 1 and 2) 8 (Notes 1 and 2) 8 16 (Notes 1 and 2) Notes: 1. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 6 lists the supported DIMM configurations.
... M x 8/8 M x 8 16 M x 8/16 M x 8 16 M x 16/16 M x 16 32 M x 8/empty 32 M x 8/32 M x 8 4 12 (Notes 1 and 2) 16 (Notes 1 and 2) 16 (Notes 1 and 2) 8 (Notes 1 and 2) 8 16 (Notes 1 and 2) Notes: 1. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 6 lists the supported DIMM configurations.
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... Figure 1, page 14 Table 36, page 68 AGP is a high-performance interface for 1.5 V AGP cards only. Do not attempt to Section 1.5, page 19 26 Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.1 AGP ✏ NOTE The AGP connector is keyed for graphics-intensive applications, such as 3D applications. For information about Obtaining the Accelerated...
... Figure 1, page 14 Table 36, page 68 AGP is a high-performance interface for 1.5 V AGP cards only. Do not attempt to Section 1.5, page 19 26 Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.1 AGP ✏ NOTE The AGP connector is keyed for graphics-intensive applications, such as 3D applications. For information about Obtaining the Accelerated...
Product Specification
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... the front panel USB connector • One port accessible through a USB connector on the D845BG board. USB 2.0 Port Configuration (Optional) OM12337 28 The D845BG board supports USB 2.0 using the NEC µPD720100 USB 2.0 host controller, which is connected through...been tested with stacked back panel connectors, adjacent to the audio connectors • Two ports routed to any other operating system. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.2.2 USB 2.0 Support (Optional) ✏ NOTE The USB 2.0 option is not currently supported by any of...
... the front panel USB connector • One port accessible through a USB connector on the D845BG board. USB 2.0 Port Configuration (Optional) OM12337 28 The D845BG board supports USB 2.0 using the NEC µPD720100 USB 2.0 host controller, which is connected through...been tested with stacked back panel connectors, adjacent to the audio connectors • Two ports routed to any other operating system. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.2.2 USB 2.0 Support (Optional) ✏ NOTE The USB 2.0 option is not currently supported by any of...
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... and updating of the battery. The time, date, and CMOS values can be returned to ± 13 minutes/year at power-on. 1.8.5 Intel® 82802AB 4 Mbit Firmware Hub (FWH) The FWH provides the following features: • Two serial ports • One parallel port with ...can be loaded into a wall socket, the battery has an estimated life of -day clock and a multicentury calendar with 3.3 VSB applied. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.4 Real-Time Clock, CMOS SRAM, and Battery The real-time clock provides a time-of three years. When the computer ...
... and updating of the battery. The time, date, and CMOS values can be returned to ± 13 minutes/year at power-on. 1.8.5 Intel® 82802AB 4 Mbit Firmware Hub (FWH) The FWH provides the following features: • Two serial ports • One parallel port with ...can be loaded into a wall socket, the battery has an estimated life of -day clock and a multicentury calendar with 3.3 VSB applied. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.4 Real-Time Clock, CMOS SRAM, and Battery The real-time clock provides a time-of three years. When the computer ...
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... connector The signal names of the keyboard and mouse connectors Refer to the computer should be specified in the top PS/2 connector. A power-on /reset. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.9.3 Diskette Drive Controller The I/O controller supports one diskette drive that is compatible with a PolySwitch† circuit that, like a self-healing fuse...
... connector The signal names of the keyboard and mouse connectors Refer to the computer should be specified in the top PS/2 connector. A power-on /reset. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.9.3 Diskette Drive Controller The I/O controller supports one diskette drive that is compatible with a PolySwitch† circuit that, like a self-healing fuse...
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Intel Desktop Board D845BG/D845PT Technical Product Specification 1.10.1 Audio Connectors 1.10.1.1 Front Panel Audio Connector A 2 x 5-pin connector provides mic in connector Refer to Figure 12, page 59 Table 27, ... of an internal audio device to Figure 12, page 59 Table 27, page 60 1.10.2 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. For information about Obtaining audio software and drivers Refer to the audio mixer. Refer to Section 2.9.1 on page 75 for more...
Intel Desktop Board D845BG/D845PT Technical Product Specification 1.10.1 Audio Connectors 1.10.1.1 Front Panel Audio Connector A 2 x 5-pin connector provides mic in connector Refer to Figure 12, page 59 Table 27, ... of an internal audio device to Figure 12, page 59 Table 27, page 60 1.10.2 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. For information about Obtaining audio software and drivers Refer to the audio mixer. Refer to Section 2.9.1 on page 75 for more...