Intel Desktop Board D845PT/D845BG Product Guide
Page 2
... Revision Revision History -001 First release of documents which the receiver is present on request. These limits are referenced in accordance with Intel® products. The D845PT and D845BG desktop boards may contain design defects or errors known as the property of any interference received, including interference that interference will not occur in...
... Revision Revision History -001 First release of documents which the receiver is present on request. These limits are referenced in accordance with Intel® products. The D845PT and D845BG desktop boards may contain design defects or errors known as the property of any interference received, including interference that interference will not occur in...
Intel Desktop Board D845PT/D845BG Product Guide
Page 3
Contents 1 Desktop Board Features Board Components ...11 Processor ...13 Main Memory ...13 Intel® 845 Chipset ...14 Intel® 82845 Memory Controller Hub (MCH 14 Intel® 82801BA I/O Controller Hub (ICH2 15 Firmware Hub (FWH 15 Input/Output (I/O) Controller 15 Real-Time Clock...15 USB Support ...16 PCI Enhanced IDE ... 20 Instantly Available PC Technology 20 Wake from USB 22 Wake from PS/2 Keyboard/Mouse 22 PME# Wakeup Support 22 2 Installing and Replacing Desktop Board Components Before You Begin ...23 Installing the I/O Shield ...24 Installing and Removing the Desktop...
Contents 1 Desktop Board Features Board Components ...11 Processor ...13 Main Memory ...13 Intel® 845 Chipset ...14 Intel® 82845 Memory Controller Hub (MCH 14 Intel® 82801BA I/O Controller Hub (ICH2 15 Firmware Hub (FWH 15 Input/Output (I/O) Controller 15 Real-Time Clock...15 USB Support ...16 PCI Enhanced IDE ... 20 Instantly Available PC Technology 20 Wake from USB 22 Wake from PS/2 Keyboard/Mouse 22 PME# Wakeup Support 22 2 Installing and Replacing Desktop Board Components Before You Begin ...23 Installing the I/O Shield ...24 Installing and Removing the Desktop...
Intel Desktop Board D845PT/D845BG Product Guide
Page 4
Intel Desktop Boards D845PT and D845BG Product Guide Installing and Removing a Processor 27 Installing the Processor Fan Heatsink Retention Mechanism Base 27 Installing a Processor 29 Installing the Processor Fan Heatsink 29 ... Configuration Jumper Block 38 Clearing Passwords ...39 Replacing the Battery ...40 3 Updating the BIOS Updating the BIOS with the Intel® Express BIOS Update Utility 43 Updating the BIOS with the Intel® Flash Memory Update Utility 44 Obtaining the BIOS Update File 44 Updating the BIOS...44 Recovering the BIOS 45...
Intel Desktop Boards D845PT and D845BG Product Guide Installing and Removing a Processor 27 Installing the Processor Fan Heatsink Retention Mechanism Base 27 Installing a Processor 29 Installing the Processor Fan Heatsink 29 ... Configuration Jumper Block 38 Clearing Passwords ...39 Replacing the Battery ...40 3 Updating the BIOS Updating the BIOS with the Intel® Express BIOS Update Utility 43 Updating the BIOS with the Intel® Flash Memory Update Utility 44 Obtaining the BIOS Update File 44 Updating the BIOS...44 Recovering the BIOS 45...
Intel Desktop Board D845PT/D845BG Product Guide
Page 5
...Power Supply Overload 86 Place Battery Marking 87 Use Only for Intended Applications 87 Figures 1. Pressing Down the Pushpin 28 10. D845BG Board Mounting Holes 26 7. D845PT Board Components 11 2. Installing a Processor...29 v Location of Standby Power Indicator 21 4. Contents Boot Menu...63 Boot Device Priority...Submenu 64 Hard Disk Drives Submenu 65 Removable Devices Submenu 65 ATAPI CD-ROM Drives 66 Exit Menu ...66 5 Technical Reference Board Connectors ...67 Back Panel Connectors 68 Midboard Connectors 69 Audio Connectors 69 Power and Hardware Connectors 70 Add-In Card and ...
...Power Supply Overload 86 Place Battery Marking 87 Use Only for Intended Applications 87 Figures 1. Pressing Down the Pushpin 28 10. D845BG Board Mounting Holes 26 7. D845PT Board Components 11 2. Installing a Processor...29 v Location of Standby Power Indicator 21 4. Contents Boot Menu...63 Boot Device Priority...Submenu 64 Hard Disk Drives Submenu 65 Removable Devices Submenu 65 ATAPI CD-ROM Drives 66 Exit Menu ...66 5 Technical Reference Board Connectors ...67 Back Panel Connectors 68 Midboard Connectors 69 Audio Connectors 69 Power and Hardware Connectors 70 Add-In Card and ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 6
... Feature Summary ...9 2. Video Configuration Submenu 60 20. Boot Menu ...63 24. Front Panel Audio Connector Signal Names 69 vi Intel Desktop Boards D845PT and D845BG Product Guide 11. Removing the AGP Card 35 16. Removing the Battery 42 20. Back Panel Connectors 68 21. Main Menu... Devices Submenu 65 27. Connecting the IDE Cable 37 18. Standby Current Requirements 22 5. ATAPI CD-ROM Drives Submenu 66 28. D845BG Board Add-in Card and Peripheral Interface Connectors 71 24. Maintenance Menu ...48 9. Power Menu...62 22. Boot Device Priority Submenu 64 ...
... Feature Summary ...9 2. Video Configuration Submenu 60 20. Boot Menu ...63 24. Front Panel Audio Connector Signal Names 69 vi Intel Desktop Boards D845PT and D845BG Product Guide 11. Removing the AGP Card 35 16. Removing the Battery 42 20. Back Panel Connectors 68 21. Main Menu... Devices Submenu 65 27. Connecting the IDE Cable 37 18. Standby Current Requirements 22 5. ATAPI CD-ROM Drives Submenu 66 28. D845BG Board Add-in Card and Peripheral Interface Connectors 71 24. Maintenance Menu ...48 9. Power Menu...62 22. Boot Device Priority Submenu 64 ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 9
...I/O Control LAN (optional) Graphics Audio Peripheral Interfaces Expansion Capabilities • microATX at 8.2 inches by 9.6 inches (D845PT board) • ATX at 8.2 inches by 12.0 inches (D845BG board) Support for illustrations unless otherwise noted. Table 1. AD1885 analog codec (AC '97) featuring SoundMAX† with SPX... Hub (MCH) with Accelerated Hub Architecture (AHA) bus • Intel® 82801BA I/O Controller Hub (ICH2) with AHA bus • 4 Mbit Firmware Hub (FWH) SMSC LPC47M142 (with PCI bus connector 3) • D845BG board: Six PCI bus add-in an mPGA-478 socket Two...
...I/O Control LAN (optional) Graphics Audio Peripheral Interfaces Expansion Capabilities • microATX at 8.2 inches by 9.6 inches (D845PT board) • ATX at 8.2 inches by 12.0 inches (D845BG board) Support for illustrations unless otherwise noted. Table 1. AD1885 analog codec (AC '97) featuring SoundMAX† with SPX... Hub (MCH) with Accelerated Hub Architecture (AHA) bus • Intel® 82801BA I/O Controller Hub (ICH2) with AHA bus • 4 Mbit Firmware Hub (FWH) SMSC LPC47M142 (with PCI bus connector 3) • D845BG board: Six PCI bus add-in an mPGA-478 socket Two...
Intel Desktop Board D845PT/D845BG Product Guide
Page 10
Feature Summary (continued) BIOS • Intel/AMI BIOS • 4 Mbit symmetrical flash memory • Support for SMBIOS Power Management • Support for Advanced Configuration and Power Interface (ACPI)... front panel • Chassis intrusion connector • Speaker ✏ NOTE For information about Intel® desktop boards, including technical product specifications, BIOS updates, and device drivers, go to the Intel customer support World Wide Web site: http://support.intel.com/support/motherboards/desktop/ 10 Intel Desktop Boards D845PT and D845BG Product Guide Table 1.
Feature Summary (continued) BIOS • Intel/AMI BIOS • 4 Mbit symmetrical flash memory • Support for SMBIOS Power Management • Support for Advanced Configuration and Power Interface (ACPI)... front panel • Chassis intrusion connector • Speaker ✏ NOTE For information about Intel® desktop boards, including technical product specifications, BIOS updates, and device drivers, go to the Intel customer support World Wide Web site: http://support.intel.com/support/motherboards/desktop/ 10 Intel Desktop Boards D845PT and D845BG Product Guide Table 1.
Intel Desktop Board D845PT/D845BG Product Guide
Page 11
D845PT Board Components 11 AD1885 audio codec P Diskette drive connector B AGP connector Q Firmware Hub (FWH) C CD-ROM connector (ATAPI) R Intel 82801BA I/O Controller Hub (ICH2) D Auxiliary line-in card connectors N Secondary IDE connector CC ... Rear chassis fan connector (tachometer input) V Chassis intrusion connector H Intel 82845 Memory Controller Hub (MCH) W Front chassis fan connector I AA J Z Y K X L W V UT SR Q P ON M OM12623 A Analog Devices Inc. Desktop Board Features Board Components Figure 1 shows the location of the major components on the ...
D845PT Board Components 11 AD1885 audio codec P Diskette drive connector B AGP connector Q Firmware Hub (FWH) C CD-ROM connector (ATAPI) R Intel 82801BA I/O Controller Hub (ICH2) D Auxiliary line-in card connectors N Secondary IDE connector CC ... Rear chassis fan connector (tachometer input) V Chassis intrusion connector H Intel 82845 Memory Controller Hub (MCH) W Front chassis fan connector I AA J Z Y K X L W V UT SR Q P ON M OM12623 A Analog Devices Inc. Desktop Board Features Board Components Figure 1 shows the location of the major components on the ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 12
...Figure 2. AD1885 audio codec P Diskette drive connector B AGP connector Q Firmware Hub (FWH) C CD-ROM connector (ATAPI) R Intel 82801BA I/O Controller Hub (ICH2) D Auxiliary line-in connector (ATAPI) S BIOS configuration jumper block E Back panel connectors T SCSI ... (tachometer input) V Chassis intrusion connector H Intel 82845 Memory Controller Hub (MCH) W Front chassis fan connector I AA Z J Y K X L W V U T SR Q P ON M OM12624 A Analog Devices Inc. D845BG Board Components 12 Intel Desktop Boards D845PT and D845BG Product Guide Figure 2 shows the location of...
...Figure 2. AD1885 audio codec P Diskette drive connector B AGP connector Q Firmware Hub (FWH) C CD-ROM connector (ATAPI) R Intel 82801BA I/O Controller Hub (ICH2) D Auxiliary line-in connector (ATAPI) S BIOS configuration jumper block E Back panel connectors T SCSI ... (tachometer input) V Chassis intrusion connector H Intel 82845 Memory Controller Hub (MCH) W Front chassis fan connector I AA Z J Y K X L W V U T SR Q P ON M OM12624 A Analog Devices Inc. D845BG Board Components 12 Intel Desktop Boards D845PT and D845BG Product Guide Figure 2 shows the location of...
Intel Desktop Board D845PT/D845BG Product Guide
Page 13
... power supply. Processors are needed to provide extra power to the Intel 845 chipset and Intel Pentium 4 processor. Desktop Board Features Processor CAUTION Failure to use an ATX12V power supply, or not connecting the additional power supply lead to the D845PT or D845BG boards may be purchased separately. The BIOS will see Chapter 2 on page...
... power supply. Processors are needed to provide extra power to the Intel 845 chipset and Intel Pentium 4 processor. Desktop Board Features Processor CAUTION Failure to use an ATX12V power supply, or not connecting the additional power supply lead to the D845PT or D845BG boards may be purchased separately. The BIOS will see Chapter 2 on page...
Intel Desktop Board D845PT/D845BG Product Guide
Page 14
...AGP, and hub interfaces in the Intel 845 chipset platform. Intel® 845 Chipset The Intel 845 chipset consists of tested memory, refer to the D845PT or D845BG link on this technology has not been validated on these boards. Intel Desktop Boards D845PT and D845BG Product Guide • 64 Mbit, ...128 Mbit, 256 Mbit, and 512 Mbit technologies for the following devices: • Intel 82845 Memory Controller Hub (MCH) with AHA bus • Intel 82801BA I/O Controller Hub (ICH2) ...
...AGP, and hub interfaces in the Intel 845 chipset platform. Intel® 845 Chipset The Intel 845 chipset consists of tested memory, refer to the D845PT or D845BG link on this technology has not been validated on these boards. Intel Desktop Boards D845PT and D845BG Product Guide • 64 Mbit, ...128 Mbit, 256 Mbit, and 512 Mbit technologies for the following devices: • Intel 82845 Memory Controller Hub (MCH) with AHA bus • Intel 82801BA I/O Controller Hub (ICH2) ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 15
...D845BG boards includes: • Integrated IDE controller supports two Ultra DMA-33 and ATA-66/100 channels, BMIDE and PIO modes • SMBus interface • FWH interface • Low Pin Count (LPC) interface • AC'97 2.1 compliant link for audio and telephony codecs • Integrated Intel...PCI power management support • Two fan tachometer inputs Real-Time Clock The desktop boards have a time-of the platform. Desktop Board Features Intel® 82801BA I/O Controller Hub (ICH2) The Intel 82801BA I/O Controller Hub integrates many I/O functions and provides the I /O controller ...
...D845BG boards includes: • Integrated IDE controller supports two Ultra DMA-33 and ATA-66/100 channels, BMIDE and PIO modes • SMBus interface • FWH interface • Low Pin Count (LPC) interface • AC'97 2.1 compliant link for audio and telephony codecs • Integrated Intel...PCI power management support • Two fan tachometer inputs Real-Time Clock The desktop boards have a time-of the platform. Desktop Board Features Intel® 82801BA I/O Controller Hub (ICH2) The Intel 82801BA I/O Controller Hub integrates many I/O functions and provides the I /O controller ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 16
...• One AGP connector • One optional CNR connector (slot shared with PCI bus connector 6) 16 The boards support up to the optional CNR. Intel Desktop Boards D845PT and D845BG Product Guide USB Support ✏ NOTE Computer systems that meets the requirements for a full-speed USB device. Use... a shielded cable that have the following add-in card connectors: The D845PT board has: • Three PCI ...
...• One AGP connector • One optional CNR connector (slot shared with PCI bus connector 6) 16 The boards support up to the optional CNR. Intel Desktop Boards D845PT and D845BG Product Guide USB Support ✏ NOTE Computer systems that meets the requirements for a full-speed USB device. Use... a shielded cable that have the following add-in card connectors: The D845PT board has: • Three PCI ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 17
... mechanism (RM) or an AGP RM that supports various features such as 3D graphics. The BIOS can be updated by following : • Intel 82801BA ICH2 • Analog Devices AD1885 analog codec (AC '97) ✏ NOTE The line out connector, located on page 33). For ...graphical display devices. AGP is designed to this output. Desktop Board Features Accelerated Graphics Port (AGP) ✏ NOTE The D845PT and D845BG boards are only compatible with retention notches (see Chapter 2 on page 43. The boxed desktop board comes with either headphones or amplified speakers only. You do ...
... mechanism (RM) or an AGP RM that supports various features such as 3D graphics. The BIOS can be updated by following : • Intel 82801BA ICH2 • Analog Devices AD1885 analog codec (AC '97) ✏ NOTE The line out connector, located on page 33). For ...graphical display devices. AGP is designed to this output. Desktop Board Features Accelerated Graphics Port (AGP) ✏ NOTE The D845PT and D845BG boards are only compatible with retention notches (see Chapter 2 on page 43. The boxed desktop board comes with either headphones or amplified speakers only. You do ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 18
Intel Desktop Boards D845PT and D845BG Product Guide IDE Auto Configuration If you install an IDE device (such as a hard drive) in your computer. You can enter either the supervisor password or the user password to boot the computer. The password prompt is displayed before the computer is set, pressing at : http://support.intel...software and drivers, refer to run the BIOS Setup program after installing an IDE device. You do not need to the D845PT or D845BG link on whether the supervisor or user password was entered. • Setting a user password restricts who can be set , you ...
Intel Desktop Boards D845PT and D845BG Product Guide IDE Auto Configuration If you install an IDE device (such as a hard drive) in your computer. You can enter either the supervisor password or the user password to boot the computer. The password prompt is displayed before the computer is set, pressing at : http://support.intel...software and drivers, refer to run the BIOS Setup program after installing an IDE device. You do not need to the D845PT or D845BG link on whether the supervisor or user password was entered. • Setting a user password restricts who can be set , you ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 19
... and Power Interface (ACPI) • Hardware: Power connectors Fan connectors Resume on the desktop board. The use of a computer. LAN link is selected. LAN link is communicating with the D845PT or D845BG board requires an operating system that provides full ACPI support. 19 Battery A battery on how to replace the...
... and Power Interface (ACPI) • Hardware: Power connectors Fan connectors Resume on the desktop board. The use of a computer. LAN link is selected. LAN link is communicating with the D845PT or D845BG board requires an operating system that provides full ACPI support. 19 Battery A battery on how to replace the...
Intel Desktop Board D845PT/D845BG Product Guide
Page 20
... must be capable of delivering adequate +5 V standby current. Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to the system. Fan Connectors The D845PT and D845BG boards have two power connectors. While in Figure 3, is lit when there is indicated by a ... 70 for the location of the power connectors. When signaled by the LED turning amber. 20 Intel Desktop Boards D845PT and D845BG Product Guide Hardware Power Connectors The D845PT and D845BG boards have one call to access the computer • Detects incoming call similarly for external and internal ...
... must be capable of delivering adequate +5 V standby current. Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to the system. Fan Connectors The D845PT and D845BG boards have two power connectors. While in Figure 3, is lit when there is indicated by a ... 70 for the location of the power connectors. When signaled by the LED turning amber. 20 Intel Desktop Boards D845PT and D845BG Product Guide Hardware Power Connectors The D845PT and D845BG boards have one call to access the computer • Detects incoming call similarly for external and internal ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 21
... CR3F1 OM12625 Figure 3. Values are determined by the standby current requirement. 5. Note the total D845PT or D845BG board standby current requirement. 2. Add all additional wake-enabled devices' and non-wake-enabled devices' standby current requirements as outlined in Table..., standby current requirements of wake-enabled devices installed (PCI and AGP) multiplied by the standby current requirement. 4. Power supplies used with this board must be able to provide enough standby current to that the total PS/2 port standby current requirement if a wake-enabled device is connected. ...
... CR3F1 OM12625 Figure 3. Values are determined by the standby current requirement. 5. Note the total D845PT or D845BG board standby current requirement. 2. Add all additional wake-enabled devices' and non-wake-enabled devices' standby current requirements as outlined in Table..., standby current requirements of wake-enabled devices installed (PCI and AGP) multiplied by the standby current requirement. 4. Power supplies used with this board must be able to provide enough standby current to that the total PS/2 port standby current requirement if a wake-enabled device is connected. ...
Intel Desktop Board D845PT/D845BG Product Guide
Page 22
...Keyboard/Mouse PS/2 keyboard/mouse activity wakes the computer from USB. Intel Desktop Boards D845PT and D845BG Product Guide Table 4. Standby Current Requirements Instantly Available Current Support Estimate for integrated board components Estimate for add-on the PCI bus is asserted, the ...(non-wake-enabled) USB ports** Standby Current Requirements (mA) 770* 345 375 100 875 40 700 * Refer to the Intel Desktop Board D845PT/D845BG Technical Product Specification for the exact standby current requirements ** Dependent upon system configuration ✏ NOTE PCI requirements are limited to a...
...Keyboard/Mouse PS/2 keyboard/mouse activity wakes the computer from USB. Intel Desktop Boards D845PT and D845BG Product Guide Table 4. Standby Current Requirements Instantly Available Current Support Estimate for integrated board components Estimate for add-on the PCI bus is asserted, the ...(non-wake-enabled) USB ports** Standby Current Requirements (mA) 770* 345 375 100 875 40 700 * Refer to the Intel Desktop Board D845PT/D845BG Technical Product Specification for the exact standby current requirements ** Dependent upon system configuration ✏ NOTE PCI requirements are limited to a...
Intel Desktop Board D845PT/D845BG Product Guide
Page 23
...a station is not available, you can continue to operate even though the front panel power button is off. 23 Some circuitry on the board can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the procedures described in this chapter... Connect the IDE cable • Set the BIOS jumper • Clear passwords • Replace the battery Before You Begin CAUTION Before you install this board in a chassis, see Appendix B for using an antistatic wrist strap and a conductive foam pad. WARNINGS The procedures in this chapter assume familiarity with...
...a station is not available, you can continue to operate even though the front panel power button is off. 23 Some circuitry on the board can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the procedures described in this chapter... Connect the IDE cable • Set the BIOS jumper • Clear passwords • Replace the battery Before You Begin CAUTION Before you install this board in a chassis, see Appendix B for using an antistatic wrist strap and a conductive foam pad. WARNINGS The procedures in this chapter assume familiarity with...