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 52 2.8 Connectors ...54 2.8.1 Back Panel Connectors 55 2.8.2 Internal I/O Connectors 58 2.8.3 External I/O Connectors 71 2.9 Jumper Blocks...75 2.9.1 Front Panel Audio Connector/Jumper Block 75 2.9.2 BIOS...
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 52 2.8 Connectors ...54 2.8.1 Back Panel Connectors 55 2.8.2 Internal I/O Connectors 58 2.8.3 External I/O Connectors 71 2.9 Jumper Blocks...75 2.9.1 Front Panel Audio Connector/Jumper Block 75 2.9.2 BIOS...
Product Specification
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...D845BG Add-in Board and Peripheral Interface Connectors 65 16. D845BG Board Dimensions 77 19. USB Connectors...56 20. Intel Desktop Board D845BG/D845PT Technical Product Specification 10. Supported Processors 22 6. Supported Memory Configurations 24 7. Serial Port A Connector 57 22. ...ATX12V Power Connector 62 29. Back Panel Connectors 55 12. PS/2 Mouse/Keyboard Connector 56 19. LAN Connector LED States 35 ...
...D845BG Add-in Board and Peripheral Interface Connectors 65 16. D845BG Board Dimensions 77 19. USB Connectors...56 20. Intel Desktop Board D845BG/D845PT Technical Product Specification 10. Supported Processors 22 6. Supported Memory Configurations 24 7. Serial Port A Connector 57 22. ...ATX12V Power Connector 62 29. Back Panel Connectors 55 12. PS/2 Mouse/Keyboard Connector 56 19. LAN Connector LED States 35 ...
Product Specification
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... IDE Master/Slave Submenus 109 68. Power Menu ...115 73. Front Chassis Fan Connector 63 33. AGP Connector ...68 37. Front Panel Audio Connector 72 41. Standby Current Requirements 83 51. D845BG/D845PT Board Environmental Specifications 87 54. Security Menu ...114 72. Boot Menu ...117 75. SCSI LED Connector 70 40. Front...
... IDE Master/Slave Submenus 109 68. Power Menu ...115 73. Front Chassis Fan Connector 63 33. AGP Connector ...68 37. Front Panel Audio Connector 72 41. Standby Current Requirements 83 51. D845BG/D845PT Board Environmental Specifications 87 54. Security Menu ...114 72. Boot Menu ...117 75. SCSI LED Connector 70 40. Front...
Product Specification
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... on PCI, CNR, RS-232, front panel, PS/2 devices, and USB ports For information about Available configurations for USB 2.0 devices. Product Description Table 2. Not every manufacturing option is currently available only on the D845PT board) Intel® 82562ET 10/100 Mbit/sec Platform... LAN Connect (PLC) device Support for the D845BG and D845PT boards Refer to you. Table 3. Please contact your Intel representative to determine which manufacturing options are available...
... on PCI, CNR, RS-232, front panel, PS/2 devices, and USB ports For information about Available configurations for USB 2.0 devices. Product Description Table 2. Not every manufacturing option is currently available only on the D845PT board) Intel® 82562ET 10/100 Mbit/sec Platform... LAN Connect (PLC) device Support for the D845BG and D845PT boards Refer to you. Table 3. Please contact your Intel representative to determine which manufacturing options are available...
Product Specification
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... 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. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2.3 Board Layouts Figure 1 shows the location...
... 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. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.2.3 Board Layouts Figure 1 shows the location...
Product Specification
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...;PGA478 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 Battery R PCI bus add-in card connectors S CNR connector (optional) Figure 2. D845PT Board Components 15 Product Description Figure 2 shows the location of the major components on...
...;PGA478 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 Battery R PCI bus add-in card connectors S CNR connector (optional) Figure 2. D845PT Board Components 15 Product Description Figure 2 shows the location of the major components on...
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. See Figure 6 on page 27 for USB port routing. = connector or socket USB Primary/ Secondary IDE UDMA ...400 MHz) AGP Interface 82845 Memory Controller Hub (MCH) 845 Chipset USB LPC Bus AHA Bus 82801BA I/O Controller Hub (ICH2) Back Panel USB Ports (2) Front Panel USB Ports (2) Serial Ports Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector 82802AB 4 Mbit Firmware Hub (FWH) 4X AGP ...
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 ...400 MHz) AGP Interface 82845 Memory Controller Hub (MCH) 845 Chipset USB LPC Bus AHA Bus 82801BA I/O Controller Hub (ICH2) Back Panel USB Ports (2) Front Panel USB Ports (2) Serial Ports Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector 82802AB 4 Mbit Firmware Hub (FWH) 4X AGP ...
Product Specification
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... CNR Connector AD1885 Audio Codec Line In Line Out Mic In Auxiliary Line In CD-ROM NEC µPD720100 USB 2.0 Host Controller USB USB Back Panel USB Ports (2) Front Panel USB Ports (2) Figure 4.
... CNR Connector AD1885 Audio Codec Line In Line Out Mic In Auxiliary Line In CD-ROM NEC µPD720100 USB 2.0 Host Controller USB USB Back Panel USB Ports (2) Front Panel USB Ports (2) Figure 4.
Product Specification
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... Name DDR SDRAM EHCI EPP El Torito Front Panel LPC MicroATX OHCI PCI Specification Title Double Data Rate (DDR) SDRAM Specification Design Specification for a 184 Pin DDR Unbuffered DIMM Intel ® JEDEC DDR 200/266 Unbuffered DIMM ..., Intel Corporation. Revision 2.2, December 18, 1998, PCI Special Interest Group. Revision 1.1, December 18, 1998, PCI Special Interest Group. The information is available from... Intel Desktop Board D845BG/D845PT Technical Product Specification Table 4. Version 1.0, October 2000, Intel Corporation. Revision 0.9, September 27, 2001, Intel Corporation...
... Name DDR SDRAM EHCI EPP El Torito Front Panel LPC MicroATX OHCI PCI Specification Title Double Data Rate (DDR) SDRAM Specification Design Specification for a 184 Pin DDR Unbuffered DIMM Intel ® JEDEC DDR 200/266 Unbuffered DIMM ..., Intel Corporation. Revision 2.2, December 18, 1998, PCI Special Interest Group. Revision 1.1, December 18, 1998, PCI Special Interest Group. The information is available from... Intel Desktop Board D845BG/D845PT Technical Product Specification Table 4. Version 1.0, October 2000, Intel Corporation. Revision 0.9, September 27, 2001, Intel Corporation...
Product Specification
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...56 Figure 16, page 71 Table 42, page 72 Section 1.5, page 19 1.8.2.1 USB 1.1 Support The D845BG/D845PT boards support up to the audio connectors USB USB ports (2) Front panel USB connectors Figure 6. The ICH2 provides four ports, three of which are user-accessible: • Two ports... implemented with stacked back panel connectors, adjacent to the PS/2 connectors • One port accessible through a USB connector on the D845BG/D845PT boards. ✏ NOTE Computer systems that meets the requirements for full-speed devices. ...
...56 Figure 16, page 71 Table 42, page 72 Section 1.5, page 19 1.8.2.1 USB 1.1 Support The D845BG/D845PT boards support up to the audio connectors USB USB ports (2) Front panel USB connectors Figure 6. The ICH2 provides four ports, three of which are user-accessible: • Two ports... implemented with stacked back panel connectors, adjacent to the PS/2 connectors • One port accessible through a USB connector on the D845BG/D845PT boards. ✏ NOTE Computer systems that meets the requirements for full-speed devices. ...
Product Specification
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... option. The D845BG board supports USB 2.0 using the NEC µPD720100 USB 2.0 host controller, which is implemented as shown in card Front panel USB connectors Figure 7. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.2.2 USB 2.0 Support (Optional) ✏ NOTE The USB 2.0 option is currently available only on an optional CNR add-in Figure...
... option. The D845BG board supports USB 2.0 using the NEC µPD720100 USB 2.0 host controller, which is implemented as shown in card Front panel USB connectors Figure 7. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.8.2.2 USB 2.0 Support (Optional) ✏ NOTE The USB 2.0 option is currently available only on an optional CNR add-in Figure...
Product Specification
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... BIOS support. The serial ports can be assigned as COM1 (3F8h), COM2 (2F8h), COM3 (3E8h), or COM4 (2E8h). Serial port A is located on the back panel. In the BIOS Setup program, the parallel port can be set to the following modes: • Output only (PC AT†-compatible mode) • Bi... 21, page 57 Figure 16, page 71 Table 41, page 72 1.9.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Serial port B is accessible using a connector located near the main power connector. Product Description 1.9.1 Serial Ports The D845BG and...
... BIOS support. The serial ports can be assigned as COM1 (3F8h), COM2 (2F8h), COM3 (3E8h), or COM4 (2E8h). Serial port A is located on the back panel. In the BIOS Setup program, the parallel port can be set to the following modes: • Output only (PC AT†-compatible mode) • Bi... 21, page 57 Figure 16, page 71 Table 41, page 72 1.9.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Serial port B is accessible using a connector located near the main power connector. Product Description 1.9.1 Serial Ports The D845BG and...
Product Specification
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... connectors Refer to the computer should be specified in the BIOS Setup program. Power to Figure 11, page 55 Table 18, page 56 32 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... connectors The signal names of the diskette drive connector The supported diskette drive capacities and sizes Refer to these connectors are located on the back panel.
... connectors Refer to the computer should be specified in the BIOS Setup program. Power to Figure 11, page 55 Table 18, page 56 32 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... connectors The signal names of the diskette drive connector The supported diskette drive capacities and sizes Refer to these connectors are located on the back panel.
Product Specification
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... The audio subsystem includes these features: • Split digital/analog architecture for : Line out Mic in • Back panel audio connectors: Line out Line in Mic in The audio subsystem consists of the following audio interfaces: •...connector The back panel audio connectors Refer to -noise) ratio: ≥ 85 dB • Power management support for ACPI 2.0 (driver dependant) • Mic in pre-amp that supports dynamic, condenser, and electret microphones The audio subsystem supports the following devices: • Intel 82801BA I/O ...
... The audio subsystem includes these features: • Split digital/analog architecture for : Line out Mic in • Back panel audio connectors: Line out Line in Mic in The audio subsystem consists of the following audio interfaces: •...connector The back panel audio connectors Refer to -noise) ratio: ≥ 85 dB • Power management support for ACPI 2.0 (driver dependant) • Mic in pre-amp that supports dynamic, condenser, and electret microphones The audio subsystem supports the following devices: • Intel 82801BA I/O ...
Product Specification
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...The location of the auxiliary line in connector The signal names of the auxiliary line in and line out signals for front panel audio connectors. Refer to Section 2.9.1 on page 75 for routing audio signals. For information about Obtaining audio software and drivers ...Table 27, page 60 1.10.2 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. 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, ...
...The location of the auxiliary line in connector The signal names of the auxiliary line in and line out signals for front panel audio connectors. Refer to Section 2.9.1 on page 75 for routing audio signals. For information about Obtaining audio software and drivers ...Table 27, page 60 1.10.2 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. 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, ...
Product Specification
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... and the LAN subsystem is not established. Table 7. The Intel 82562ET provides the following functions: • Basic 10/100 Ethernet LAN connectivity • Supports RJ-45 connector with status indicator LEDs on the back panel • Full device driver compatibility • ACPI support ...Power Management Supports ACPI technology Supports LAN wake capabilities 1.11.1 Intel® 82562ET Platform LAN Connect Device The Intel 82562ET component provides an interface to the back panel RJ-45 connector with another computer on the LAN. 35 This physical interface may ...
... and the LAN subsystem is not established. Table 7. The Intel 82562ET provides the following functions: • Basic 10/100 Ethernet LAN connectivity • Supports RJ-45 connector with status indicator LEDs on the back panel • Full device driver compatibility • ACPI support ...Power Management Supports ACPI technology Supports LAN wake capabilities 1.11.1 Intel® 82562ET Platform LAN Connect Device The Intel 82562ET component provides an interface to the back panel RJ-45 connector with another computer on the LAN. 35 This physical interface may ...
Product Specification
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... be connected to power-off feature that enables the operating system to AC power. The mechanical switch is closed for a front panel power and sleep mode switch 38 The security feature uses a mechanical switch on the chassis that attaches to Figure 13, page ...(including bus and device enumeration) • Power management control of ACPI with the D845BG and D845PT boards requires an operating system that provides full ACPI support. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.13.3 Chassis Intrusion and Detection The boards support a chassis security feature that ...
... be connected to power-off feature that enables the operating system to AC power. The mechanical switch is closed for a front panel power and sleep mode switch 38 The security feature uses a mechanical switch on the chassis that attaches to Figure 13, page ...(including bus and device enumeration) • Power management control of ACPI with the D845BG and D845PT boards requires an operating system that provides full ACPI support. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.13.3 Chassis Intrusion and Detection The boards support a chassis security feature that ...
Product Specification
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... and Events These devices/events can wake up event from LAN in the BIOS Setup program. Power switch RTC alarm LAN CNR PME# Modem (back panel Serial Port A) USB PS/2 devices ...from this option to power management, ACPI provides control information so that operating systems can wake the computer from specific...
... and Events These devices/events can wake up event from LAN in the BIOS Setup program. Power switch RTC alarm LAN CNR PME# Modem (back panel Serial Port A) USB PS/2 devices ...from this option to power management, ACPI provides control information so that operating systems can wake the computer from specific...
Product Specification
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... can damage the power supply. The use of this specification can be off (the power supply is off, and the front panel LED is still lit, disconnect the power cord before installing or removing any attached devices. CAUTION If AC power has been switched...Available PC technology requires operating system support and PCI 2.2 compliant add-in power management and can participate in cards and drivers. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.14.2.4 Instantly Available PC Technology CAUTION For Instantly Available PC technology, the +5 V standby line for additional...
... can damage the power supply. The use of this specification can be off (the power supply is off, and the front panel LED is still lit, disconnect the power cord before installing or removing any attached devices. CAUTION If AC power has been switched...Available PC technology requires operating system support and PCI 2.2 compliant add-in power management and can participate in cards and drivers. Intel Desktop Board D845BG/D845PT Technical Product Specification 1.14.2.4 Instantly Available PC Technology CAUTION For Instantly Available PC technology, the +5 V standby line for additional...
Product Specification
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... could cause damage to the computer, the interconnecting cable, and the external devices themselves. Intel Desktop Board D845BG/D845PT Technical Product Specification 2.8 Connectors CAUTION Only the back panel, the front panel audio, and the front panel USB connectors of the D845BG and D845PT boards have overcurrent protection. A fault in a microATX chassis, make sure that peripheral devices...
... could cause damage to the computer, the interconnecting cable, and the external devices themselves. Intel Desktop Board D845BG/D845PT Technical Product Specification 2.8 Connectors CAUTION Only the back panel, the front panel audio, and the front panel USB connectors of the D845BG and D845PT boards have overcurrent protection. A fault in a microATX chassis, make sure that peripheral devices...