Product Specification
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... Board Layouts 14 1.2.4 Block Diagram 16 1.3 Online Support ...18 1.4 Operating System Support 18 1.5 Design Specifications 19 1.6 Processor ...22 1.7 System Memory ...23 1.8 Intel® 845 Chipset...25 1.8.1 AGP ...26 1.8.2 USB...27 1.8.3 IDE Support 29 1.8.4 Real-Time Clock, CMOS SRAM, and Battery 30...Interface 32 1.10 Audio Subsystem...33 1.10.1 Audio Connectors 34 1.10.2 Audio Subsystem Software 34 1.11 LAN Subsystem (Optional 35 1.11.1 Intel® 82562ET Platform LAN Connect Device 35 1.11.2 RJ-45 LAN Connector with Integrated LEDs 35 1.11.3 LAN Subsystem Software 36 1.12 CNR...
... Board Layouts 14 1.2.4 Block Diagram 16 1.3 Online Support ...18 1.4 Operating System Support 18 1.5 Design Specifications 19 1.6 Processor ...22 1.7 System Memory ...23 1.8 Intel® 845 Chipset...25 1.8.1 AGP ...26 1.8.2 USB...27 1.8.3 IDE Support 29 1.8.4 Real-Time Clock, CMOS SRAM, and Battery 30...Interface 32 1.10 Audio Subsystem...33 1.10.1 Audio Connectors 34 1.10.2 Audio Subsystem Software 34 1.11 LAN Subsystem (Optional 35 1.11.1 Intel® 82562ET Platform LAN Connect Device 35 1.11.2 RJ-45 LAN Connector with Integrated LEDs 35 1.11.3 LAN Subsystem Software 36 1.12 CNR...
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 Interrupt Routing Map...Regulations 88 2.15.2 EMC Regulations 88 2.15.3 Product Certification Markings (Board Level 89 3 Overview of BIOS Features 3.1 Introduction...91 3.2 BIOS Flash Memory Organization 92 3.3 Resource Configuration 92 3.3.1 PCI Autoconfiguration 92 3.3.2 PCI IDE Support 92 3.4 System Management BIOS (SMBIOS 93 3.5 Legacy USB Support 93 ...
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 Interrupt Routing Map...Regulations 88 2.15.2 EMC Regulations 88 2.15.3 Product Certification Markings (Board Level 89 3 Overview of BIOS Features 3.1 Introduction...91 3.2 BIOS Flash Memory Organization 92 3.3 Resource Configuration 92 3.3.1 PCI Autoconfiguration 92 3.3.2 PCI IDE Support 92 3.4 System Management BIOS (SMBIOS 93 3.5 Legacy USB Support 93 ...
Product Specification
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.... Manufacturing Options 13 4. System Memory Map 47 13. PCI Interrupt Routing Map 53 18. LAN Connector (Optional 57 23. Main Power Connector 63 viii Intel Desktop Board D845BG/D845PT Technical Product Specification 10. Back Panel Connectors 55 12. D845PT Add-in Board and Peripheral Interface...Audio Line In Connector 57 24. ATX12V Power Connector 62 29. Power and Hardware Control Connectors 61 14. DMA Channels ...50 15. D845PT Board Dimensions 78 20. I /O Shield Dimensions (for boards with the LAN Subsystem, but with neither the LAN Subsystem nor USB 2.0) ...
.... Manufacturing Options 13 4. System Memory Map 47 13. PCI Interrupt Routing Map 53 18. LAN Connector (Optional 57 23. Main Power Connector 63 viii Intel Desktop Board D845BG/D845PT Technical Product Specification 10. Back Panel Connectors 55 12. D845PT Add-in Board and Peripheral Interface...Audio Line In Connector 57 24. ATX12V Power Connector 62 29. Power and Hardware Control Connectors 61 14. DMA Channels ...50 15. D845PT Board Dimensions 78 20. I /O Shield Dimensions (for boards with the LAN Subsystem, but with neither the LAN Subsystem nor USB 2.0) ...
Product Specification
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...; NOTE Most of the items listed in this document show only the D845PT board. Table 1. 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 19 1.6 Processor ...22 1.7 System Memory ...23 1.8 Intel® 845 Chipset...25 1.9 I/O Controller ...30 1.10 Audio Subsystem...33 1.11...
...; NOTE Most of the items listed in this document show only the D845PT board. Table 1. 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 19 1.6 Processor ...22 1.7 System Memory ...23 1.8 Intel® 845 Chipset...25 1.9 I/O Controller ...30 1.10 Audio Subsystem...33 1.11...
Product Specification
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... I/O Control 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 to seven USB...for up to 2 GB, but this board. Feature Summary Form Factor Processor Memory D845BG: ATX (12.00 inches by 8.20 inches) D845PT: microATX (9.60 inches by 8.20 inches) • Support for an Intel® Pentium® 4 processor in card connectors (SMBus routed to PCI ...
... I/O Control 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 to seven USB...for up to 2 GB, but this board. Feature Summary Form Factor Processor Memory D845BG: ATX (12.00 inches by 8.20 inches) D845PT: microATX (9.60 inches by 8.20 inches) • Support for an Intel® Pentium® 4 processor in card connectors (SMBus routed to PCI ...
Product Specification
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...+12 V power connector (ATX12V) F Intel 82845 Memory Controller Hub (MCH) G µPGA478 processor socket H DIMM sockets I I/O controller J Power 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 ...
...+12 V power connector (ATX12V) F Intel 82845 Memory Controller Hub (MCH) G µPGA478 processor socket H DIMM sockets I I/O controller J Power 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 ...
Product Specification
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Product Description Figure 2 shows the location of the major components on the D845PT board. D845PT Board Components 15 A BC D E S F R G Q P H O I N M L K J OM12986 A Audio codec B Intel 82562ET PLC device (optional) C AGP connector D Back panel connectors E +12 V power connector (ATX12V) F Intel 82845 Memory Controller Hub (MCH) G µPGA478 processor socket H DIMM sockets I I/O controller J Power connector K IDE connectors L Diskette drive connector...
Product Description Figure 2 shows the location of the major components on the D845PT board. D845PT Board Components 15 A BC D E S F R G Q P H O I N M L K J OM12986 A Audio codec B Intel 82562ET PLC device (optional) C AGP connector D Back panel connectors E +12 V power connector (ATX12V) F Intel 82845 Memory Controller Hub (MCH) G µPGA478 processor socket H DIMM sockets I I/O controller J Power connector K IDE connectors L Diskette drive connector...
Product Specification
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Block Diagram OM13008 16 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. See Figure 6 on page 27 for USB port routing. = connector or socket USB Primary/ Secondary IDE ...UDMA 33 and ATA-66/100 LPC I/O Controller µPGA478 Processor Socket System Bus (400 MHz) AGP Interface 82845 Memory Controller Hub (MCH...
Block Diagram OM13008 16 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. See Figure 6 on page 27 for USB port routing. = connector or socket USB Primary/ Secondary IDE ...UDMA 33 and ATA-66/100 LPC I/O Controller µPGA478 Processor Socket System Bus (400 MHz) AGP Interface 82845 Memory Controller Hub (MCH...
Product Specification
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.... = connector or socket Primary/ Secondary IDE UDMA 33 and ATA-66/100 LPC I/O Controller µPGA478 Processor Socket System Bus (400 MHz) AGP Interface 82845 Memory Controller Hub (MCH) LPC Bus 845 Chipset AHA Bus 82801BA I/O Controller Hub (ICH2) Serial Ports Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector 82802AB...
.... = connector or socket Primary/ Secondary IDE UDMA 33 and ATA-66/100 LPC I/O Controller µPGA478 Processor Socket System Bus (400 MHz) AGP Interface 82845 Memory Controller Hub (MCH) LPC Bus 845 Chipset AHA Bus 82801BA I/O Controller Hub (ICH2) Serial Ports Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector 82802AB...
Product Specification
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... 1.0, December 1997, Intel Corporation. Revision 2.2, December 18, 1998, PCI Special Interest Group. Revision 1.0, September 29, 1997, Intel Corporation. http://www.jedec.org/ http://www.jedec.org/ http://developer.intel.com/ technology/memory/ index.htm http://developer.intel.com/ technology/usb/....pcisig.com/ specifications continued 20 Revision 0.96, June 20, 2001, Intel Corporation. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 4. Version 1.0, October 2000, Intel Corporation. Specifications (continued) Reference Name DDR SDRAM EHCI EPP El Torito Front...
... 1.0, December 1997, Intel Corporation. Revision 2.2, December 18, 1998, PCI Special Interest Group. Revision 1.0, September 29, 1997, Intel Corporation. http://www.jedec.org/ http://www.jedec.org/ http://developer.intel.com/ technology/memory/ index.htm http://developer.intel.com/ technology/usb/....pcisig.com/ specifications continued 20 Revision 0.96, June 20, 2001, Intel Corporation. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 4. Version 1.0, October 2000, Intel Corporation. Specifications (continued) Reference Name DDR SDRAM EHCI EPP El Torito Front...
Product Specification
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...Section 1.3, page 18 Section 1.3, page 18 Section 2.8.2.3, page 61 22 See the Intel® Desktop Board D845BG/D845PT Specification Update for these boards. See the processor's data sheet for the Intel Pentium 4 processor. or SFX12V-compliant power supplies with a system bus of the processor.... The board will not boot. All supported onboard memory can damage the board, the processor...
...Section 1.3, page 18 Section 1.3, page 18 Section 2.8.2.3, page 61 22 See the Intel® Desktop Board D845BG/D845PT Specification Update for these boards. See the processor's data sheet for the Intel Pentium 4 processor. or SFX12V-compliant power supplies with a system bus of the processor.... The board will not boot. All supported onboard memory can damage the board, the processor...
Product Specification
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.... ✏ NOTE For ECC functionality, all applicable DDR SDRAM memory specifications, the board should be ECC. For the D845BG board: http://developer.intel.com/design/motherbd/bg/bg_mem.htm For the D845PT board: http://developer.intel.com/design/motherbd/pt/pt_mem.htm The D845BG and D845PT boards both ECC and non-ECC DIMMs are used...
.... ✏ NOTE For ECC functionality, all applicable DDR SDRAM memory specifications, the board should be ECC. For the D845BG board: http://developer.intel.com/design/motherbd/bg/bg_mem.htm For the D845PT board: http://developer.intel.com/design/motherbd/pt/pt_mem.htm The D845BG and D845PT boards both ECC and non-ECC DIMMs are used...
Product Specification
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Front side population/back side population indicated for DDR SDRAM density and DDR SDRAM organization. 3. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 6 lists the supported DIMM configurations. Supported Memory Configurations DIMM Capacity 64 MB 64 MB 96 MB 96 MB 128 MB 128 MB 128 MB Number of Sides SS SS ...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. In the second column, "DS" refers to double-sided memory modules (containing two rows of DDR SDRAM) and "SS" refers to single-sided...
Front side population/back side population indicated for DDR SDRAM density and DDR SDRAM organization. 3. Intel Desktop Board D845BG/D845PT Technical Product Specification Table 6 lists the supported DIMM configurations. Supported Memory Configurations DIMM Capacity 64 MB 64 MB 96 MB 96 MB 128 MB 128 MB 128 MB Number of Sides SS SS ...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. In the second column, "DS" refers to double-sided memory modules (containing two rows of DDR SDRAM) and "SS" refers to single-sided...
Product Specification
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The FWH provides the nonvolatile storage of the following devices: • Intel 82845 Memory Controller Hub (MCH) with Accelerated Hub Architecture (AHA) bus • Intel 82801BA I/O Controller Hub (ICH2) with AHA bus • Intel 82802AB Firmware Hub (FWH) The MCH is a centralized controller for the board's I /O Controller Hub (ICH2) 82802AB 4 Mbit Firmware Hub (FWH) AGP...
The FWH provides the nonvolatile storage of the following devices: • Intel 82845 Memory Controller Hub (MCH) with Accelerated Hub Architecture (AHA) bus • Intel 82801BA I/O Controller Hub (ICH2) with AHA bus • Intel 82802AB Firmware Hub (FWH) The MCH is a centralized controller for the board's I /O Controller Hub (ICH2) 82802AB 4 Mbit Firmware Hub (FWH) AGP...
Product Specification
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...signal names of the PCI bus and is intended for exclusive use with the following features: • Pipelined memory read and write operations that hide memory access latency • Demultiplexing of address and data on the PCI Local Bus Specification, Rev. 2.2, AGP is...high-performance interface for 1.5 V AGP cards only. The AGP connector supports AGP add-in cards with legacy 3.3 V AGP cards. 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. AGP overcomes...
...signal names of the PCI bus and is intended for exclusive use with the following features: • Pipelined memory read and write operations that hide memory access latency • Demultiplexing of address and data on the PCI Local Bus Specification, Rev. 2.2, AGP is...high-performance interface for 1.5 V AGP cards only. The AGP connector supports AGP add-in cards with legacy 3.3 V AGP cards. 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. AGP overcomes...
Product Specification
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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. A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into CMOS RAM at 25 ºC ... about SMSC LPC47M142 I /O controller. 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 Extended ...
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. A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into CMOS RAM at 25 ºC ... about SMSC LPC47M142 I /O controller. 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 Extended ...
Product Specification
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... FFFFF E0000 - EFFFF C8000 - DFFFF 640 K - 800 K 639 K - 640 K A0000 - Table 12 describes the system memory map, Table 13 shows the I /O Map ...48 2.4 DMA Channels ...50 2.5 PCI Configuration Space Map 50 2.6 Interrupts ...51 2.7 PCI Interrupt Routing Map 52 ... KB 160 KB 1 KB 127 KB 512 KB Description Extended memory Runtime BIOS Reserved Available high DOS memory (open to the PCI bus) Video memory and BIOS Extended BIOS data (movable by text found with their respective section headings. 2.2 Memory Map Table 12. System Memory Map Address Range (decimal) 1024 K - 2097152 K 960 K - ...
... FFFFF E0000 - EFFFF C8000 - DFFFF 640 K - 800 K 639 K - 640 K A0000 - Table 12 describes the system memory map, Table 13 shows the I /O Map ...48 2.4 DMA Channels ...50 2.5 PCI Configuration Space Map 50 2.6 Interrupts ...51 2.7 PCI Interrupt Routing Map 52 ... KB 160 KB 1 KB 127 KB 512 KB Description Extended memory Runtime BIOS Reserved Available high DOS memory (open to the PCI bus) Video memory and BIOS Extended BIOS data (movable by text found with their respective section headings. 2.2 Memory Map Table 12. System Memory Map Address Range (decimal) 1024 K - 2097152 K 960 K - ...
Product Specification
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... 05 06 00 01 02 03 00 00 00 00 00 00 00 Notes: 1. D845BG board only Description Memory controller of Intel 82845 component PCI to AGP bridge Hub link to PCI bridge Intel 82801BA ICH2 PCI to LPC bridge IDE controller USB SMBus controller USB AC '97 audio controller AC '97 modem... bits System Resource Open Parallel port Diskette drive Parallel port (for ECP or EPP) DMA controller Open Open Open 2.5 PCI Configuration Space Map Table 15. Intel Desktop Board D845BG/D845PT Technical Product Specification 2.4 DMA Channels Table 14.
... 05 06 00 01 02 03 00 00 00 00 00 00 00 Notes: 1. D845BG board only Description Memory controller of Intel 82845 component PCI to AGP bridge Hub link to PCI bridge Intel 82801BA ICH2 PCI to LPC bridge IDE controller USB SMBus controller USB AC '97 audio controller AC '97 modem... bits System Resource Open Parallel port Diskette drive Parallel port (for ECP or EPP) DMA controller Open Open Open 2.5 PCI Configuration Space Map Table 15. Intel Desktop Board D845BG/D845PT Technical Product Specification 2.4 DMA Channels Table 14.
Product Specification
Page 83
...by the standby current requirement. 5. Add all additional wake-enabled devices' and nonwake-enabled devices' standby current requirements as outlined in memory, etc. Actual measured values may lose register settings stored in Table 50 below . Standby Current Requirements Instantly Available PC Current Support ...375 20 375 500 83 Calculate the standby current requirements using the steps described below . Power supplies used with the D845BG and D845PT boards must be able to provide enough standby current to that the total PS/2 port standby current requirement if a wake-enabled ...
...by the standby current requirement. 5. Add all additional wake-enabled devices' and nonwake-enabled devices' standby current requirements as outlined in memory, etc. Actual measured values may lose register settings stored in Table 50 below . Standby Current Requirements Instantly Available PC Current Support ...375 20 375 500 83 Calculate the standby current requirements using the steps described below . Power supplies used with the D845BG and D845PT boards must be able to provide enough standby current to that the total PS/2 port standby current requirement if a wake-enabled ...
Product Specification
Page 91
...with Plug and Play Refer to execute from 64-bit onboard write-protected system memory. The initial production BIOSs are identified as PT84510A.86A. For information about The D845BG and D845PT boards' compliance level with Intel® Rapid BIOS Boot 96 3.10 BIOS Security Features 98 3.1 Introduction ...The D845BG and D845PT boards use an Intel/AMI BIOS that is powered-up, the BIOS compares the CPU...
...with Plug and Play Refer to execute from 64-bit onboard write-protected system memory. The initial production BIOSs are identified as PT84510A.86A. For information about The D845BG and D845PT boards' compliance level with Intel® Rapid BIOS Boot 96 3.10 BIOS Security Features 98 3.1 Introduction ...The D845BG and D845PT boards use an Intel/AMI BIOS that is powered-up, the BIOS compares the CPU...