Intel® Desktop Boards
D845HV and D845WN
Product Guide
Order Number: A61038-001
Revision History
Revision |
Revision History |
Date |
-001 |
First release of the Intel® Desktop Boards D845HV and D845WN |
July 2001 |
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Product Guide. |
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If an FCC declaration of conformity marking is present on the board, the following statement applies:
FCC Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
For questions related to the EMC performance of this product, contact:
Intel Corporation
5200 N.E. Elam Young Parkway Hillsboro, OR 97124 1-800-628-8686
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and the receiver.
•Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Compliance Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.
Le présent appareil numerique német pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la classe B prescrites dans le Réglement sur le broullage radioélectrique édicté par le ministére des Communications du Canada.
Disclaimer
Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice.
The D845HV and D845WN desktop boards may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from Intel Corporation by going to the World Wide Web site at: http://www.intel.com/ or by calling 1-800-548-4725.
Intel and Pentium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
† Other names and brands may be claimed as the property of others.
Copyright © 2001, Intel Corporation. All rights reserved.
Contents
1 Desktop Board Features |
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Components......................................................................................................................... |
9 |
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Processor ............................................................................................................................ |
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11 |
Main Memory ...................................................................................................................... |
11 |
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Intel® 845 Chipset ............................................................................................................... |
12 |
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Intel® |
82845 Memory Controller Hub (MCH)............................................................... |
12 |
Intel® |
82801BA I/O Controller Hub (ICH2) .................................................................. |
13 |
Firmware Hub (FWH) ................................................................................................. |
13 |
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Input/Output (I/O) Controller................................................................................................ |
13 |
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Real-Time Clock.................................................................................................................. |
13 |
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USB Support ....................................................................................................................... |
14 |
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PCI Enhanced IDE Interface ............................................................................................... |
14 |
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Expansion Slots................................................................................................................... |
14 |
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Accelerated Graphics Port (AGP) ............................................................................... |
15 |
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Communication and Networking Riser (CNR) (Optional) ............................................ |
15 |
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Audio Subsystem ................................................................................................................ |
15 |
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BIOS ................................................................................................................................... |
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15 |
PCI Auto Configuration............................................................................................... |
15 |
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IDE Auto Configuration............................................................................................... |
16 |
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Security Passwords .................................................................................................... |
16 |
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LAN Subsystem (Optional) .................................................................................................. |
16 |
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LAN Subsystem Software........................................................................................... |
16 |
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RJ-45 LAN Connector LEDs....................................................................................... |
17 |
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Speaker............................................................................................................................... |
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17 |
Battery................................................................................................................................. |
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17 |
Power Management Features ............................................................................................. |
17 |
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Resume on Ring......................................................................................................... |
18 |
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Instantly Available Technology ................................................................................... |
18 |
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2 Installing and Replacing Desktop Board Components |
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Before You Begin ................................................................................................................ |
21 |
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Installing the I/O Shield ....................................................................................................... |
22 |
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Installing and Removing the Desktop Board........................................................................ |
23 |
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Installing and Removing a Processor .................................................................................. |
25 |
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Installing the Processor Fan Heatsink Retention Mechanism Base ............................ |
25 |
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Installing a Processor ................................................................................................. |
27 |
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Installing the Processor Fan Heatsink ........................................................................ |
27 |
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Connecting the Processor Fan Heatsink Cable .......................................................... |
28 |
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Removing a Processor ............................................................................................... |
28 |
iii
Intel Desktop Boards D845HV and D845WN Product Guide
Installing and Removing Memory ........................................................................................ |
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29 |
DIMM Installation Guidelines ...................................................................................... |
29 |
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Installing DIMMs ......................................................................................................... |
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29 |
Removing DIMMs ....................................................................................................... |
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31 |
Installing and Removing the AGP Retention Mechanism and Card ..................................... |
32 |
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Installing the AGP Card Retention Mechanism ........................................................... |
32 |
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Installing an AGP Card ............................................................................................... |
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34 |
Removing the AGP Card from the Retention Mechanism ........................................... |
34 |
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Removing the AGP Card Retention Mechanism ......................................................... |
35 |
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Connecting the IDE Cable ................................................................................................... |
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36 |
Setting the BIOS Configuration Jumper Block ..................................................................... |
37 |
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Clearing Passwords ............................................................................................................ |
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38 |
Replacing the Battery .......................................................................................................... |
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39 |
3 Updating the BIOS |
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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 |
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Updating the BIOS...................................................................................................... |
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44 |
Recovering the BIOS.................................................................................................. |
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45 |
4 Using the Setup Program |
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Maintenance Menu.............................................................................................................. |
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48 |
Extended Configuration Submenu .............................................................................. |
49 |
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Main Menu .......................................................................................................................... |
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50 |
Advanced Menu .................................................................................................................. |
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51 |
PCI Configuration Submenu |
....................................................................................... |
52 |
Boot Configuration Submenu...................................................................................... |
53 |
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Peripheral Configuration Submenu............................................................................. |
54 |
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IDE Configuration Submenu |
....................................................................................... |
56 |
Primary/Secondary IDE Master/Slave Submenus....................................................... |
57 |
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Diskette Configuration Submenu ................................................................................ |
58 |
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Event Log Configuration Submenu ............................................................................. |
59 |
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Video Configuration Submenu .................................................................................... |
60 |
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Security Menu ..................................................................................................................... |
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61 |
Power Menu ........................................................................................................................ |
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62 |
ACPI Submenu........................................................................................................... |
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62 |
Boot Menu........................................................................................................................... |
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63 |
Boot Device Priority Submenu.................................................................................... |
64 |
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Hard Disk Drives Submenu ........................................................................................ |
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65 |
Removable Devices Submenu.................................................................................... |
65 |
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ATAPI CD-ROM Drives .............................................................................................. |
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66 |
Exit Menu ............................................................................................................................ |
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66 |
iv
Contents
5 Technical Reference |
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Board Connectors ............................................................................................................... |
67 |
Back Panel Connectors .............................................................................................. |
68 |
Midboard Connectors ................................................................................................. |
69 |
Front Panel Connectors.............................................................................................. |
73 |
Desktop Board Resources................................................................................................... |
74 |
Memory Map .............................................................................................................. |
74 |
DMA Channels ........................................................................................................... |
74 |
I/O Map ...................................................................................................................... |
75 |
Interrupts .................................................................................................................... |
77 |
A |
Error Messages and Indicators |
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BIOS Beep Codes ............................................................................................................... |
79 |
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BIOS Error Messages ......................................................................................................... |
80 |
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B |
Regulatory Compliance |
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Safety Regulations .............................................................................................................. |
83 |
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EMC Regulations ................................................................................................................ |
83 |
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Product Certification Markings............................................................................................. |
84 |
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Installation Precautions ....................................................................................................... |
85 |
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Installation Instructions........................................................................................................ |
85 |
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Ensure Electromagnetic Compatibility (EMC) Compliance ......................................... |
86 |
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Chassis and Component Certifications ....................................................................... |
86 |
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Prevent Power Supply Overload................................................................................. |
86 |
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Place Battery Marking ................................................................................................ |
87 |
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Use Only for Intended Applications............................................................................. |
87 |
Figures |
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1. |
D845HV Board Components.......................................................................................... |
9 |
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2. |
D845WN Board Components........................................................................................ |
10 |
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3. |
Location of Standby Power Indicator............................................................................. |
18 |
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4. |
Installing the I/O Shield ................................................................................................. |
22 |
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5. |
D845HV Board Mounting Holes .................................................................................... |
23 |
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6. |
D845WN Board Mounting Holes ................................................................................... |
24 |
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7. |
Processor Fan Heatsink RM Mounting Holes................................................................ |
25 |
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8. |
Installing the Processor Fan Heatsink RM Base to the Board ....................................... |
26 |
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9. |
Installing a Processor.................................................................................................... |
27 |
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10. |
Connecting the Processor Fan Heatsink Cable to the Processor Fan Connector ......... |
28 |
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11. |
Installing a Memory Module .......................................................................................... |
30 |
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12. |
AGP Card with Retention Notch.................................................................................... |
32 |
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13. |
Installing the AGP Card Retention Mechanism ............................................................. |
33 |
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14. |
Removing the AGP Card .............................................................................................. |
34 |
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15. |
Removing the AGP Card Retention Mechanism ........................................................... |
35 |
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16. |
Connecting the IDE Cable............................................................................................. |
36 |
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17. |
Location of the BIOS Configuration Jumper Block ........................................................ |
37 |
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18. |
Removing the Battery ................................................................................................... |
41 |
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19. |
Back Panel Connectors ................................................................................................ |
68 |
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20. |
Audio Connectors ......................................................................................................... |
69 |
v
Intel Desktop Boards D845HV and D845WN Product Guide
21. Power and Hardware Control Connectors..................................................................... |
70 |
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22. |
D845HV Board Add-in Card and Peripheral Interface Connectors ................................ |
71 |
23. |
D845WN Board Add-in Card and Peripheral Interface Connectors ............................... |
72 |
24. |
Front Panel Connectors ................................................................................................ |
73 |
Tables |
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1. |
Feature Summary .......................................................................................................... |
7 |
2. |
Processors Supported by the Desktop Board ............................................................... |
11 |
3. |
RJ-45 LAN Connector LEDs ......................................................................................... |
17 |
4. |
Standby Current Requirements..................................................................................... |
19 |
5. |
Jumper Settings for the BIOS Setup Program Modes (J9G1) ....................................... |
37 |
6. |
BIOS Setup Program Menu Bar.................................................................................... |
47 |
7. |
BIOS Setup Program Function Keys............................................................................. |
48 |
8. |
Maintenance Menu ....................................................................................................... |
48 |
9. |
Extended Configuration Submenu ................................................................................ |
49 |
10. |
Main Menu.................................................................................................................... |
50 |
11. |
Advanced Menu............................................................................................................ |
51 |
12. |
PCI Configuration Submenu ......................................................................................... |
52 |
13. |
Boot Configuration Submenu ........................................................................................ |
53 |
14. |
Peripheral Configuration Submenu ............................................................................... |
54 |
15. |
IDE Configuration Submenu ......................................................................................... |
56 |
16. |
Primary/Secondary IDE Master/Slave Submenus......................................................... |
57 |
17. |
Diskette Configuration Submenu .................................................................................. |
58 |
18. |
Event Log Configuration Submenu ............................................................................... |
59 |
19. |
Video Configuration Submenu ...................................................................................... |
60 |
20. |
Security Menu............................................................................................................... |
61 |
21. |
Power Menu.................................................................................................................. |
62 |
23. |
Boot Menu .................................................................................................................... |
63 |
24. |
Boot Device Priority Submenu ...................................................................................... |
64 |
25. |
Hard Disk Drives Submenu........................................................................................... |
65 |
26. |
Removable Devices Submenu...................................................................................... |
65 |
27. |
ATAPI CD-ROM Drives Submenu................................................................................. |
66 |
28. |
Exit Menu...................................................................................................................... |
66 |
29. |
System Memory Map.................................................................................................... |
74 |
30. |
DMA Channels.............................................................................................................. |
74 |
31. |
I/O Map......................................................................................................................... |
75 |
32. |
Interrupts ...................................................................................................................... |
77 |
33. |
Beep Codes .................................................................................................................. |
79 |
34. |
BIOS Error Messages ................................................................................................... |
80 |
35. |
Safety Regulations........................................................................................................ |
83 |
36. |
EMC Regulations .......................................................................................................... |
83 |
vi
Desktop Board Features
NOTE
The D845HV board layout was used for illustrations unless otherwise noted.
Table 1 describes the major features of the boards.
Table 1. Feature Summary
Form Factors
Processor
Memory
Chipset
I/O Control
LAN (optional)
Graphics
Audio
Peripheral Interfaces
•microATX at 9.6 inches by 9.6 inches (D845HV board)
•ATX at 12 inches by 9.6 inches (D845WN board)
• Support for an Intel® Pentium® 4 processor in an mPGA-478 socket
•Three SDRAM DIMM sockets.
•Designed to support up to 3.0 GB of system memory
NOTE
The D845HV and D845WN desktop boards have been designed to support DIMMs based on 512 Mbit technology up to 3 GB, but this technology has not been validated on these boards. For more information about the latest list of tested memory, refer to the Intel World Wide Web site at: http://support.intel.com/support/motherboards/desktop/
•Intel® 845 chipset, consisting of:
•Intel® 82845 Memory Controller 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 low pin count (LPC) interface I/O controller
•Intel® 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device and RJ-45 connector
•AGP connector supporting 1.5 V 4X and 2X AGP cards
•Analog Devices Inc. AD1885 analog CODEC (AC ’97) featuring SoundMAX† with SPX† software support
•Up to seven Universal Serial Bus (USB) ports
Four ports routed to the back panel
Two ports routed to the front panel USB connector
One port routed to the optional CNR
•Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support
•One diskette drive interface
•One parallel port
•Two serial ports (one via a board connector)
•PS/2† keyboard and mouse ports
continued
7
Intel Desktop Boards D845HV and D845WN Product Guide
Table 1. Feature Summary (continued)
Expansion Capabilities |
• |
D845HV board: |
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Three PCI bus add-in card connectors |
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One AGP connector |
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One optional CNR connector (slot shared with PCI bus connector 3) |
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• |
D845WN board: |
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Six PCI bus add-in card connectors |
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One AGP connector |
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One optional CNR connector (slot shared with PCI bus connector 6) |
BIOS
Power Management
•Intel/AMI BIOS.
•4 Mbit symmetrical flash memory
•Support for SMBIOS
•Support for Advanced Configuration and Power Interface (ACPI)
•Support for Instantly Available PC (IAPC)
•Support for Plug & Play
Management Features
Instantly Available PC
Other Features
Hardware monitor with:
•Two fan sensing inputs used to monitor fan activity
•Remote diode temperature sensing
•Voltage sensing to detect out of range values
•Support for PCI Local Bus Specification Revision 2.2
•Suspend to RAM (STR) support
•Wake on USB, PCI, CNR, RS-232, PS/2, LAN, and front panel
•SCSI hard drive activity LED connector for the front panel
•Speaker
NOTE
For information about Intel® desktop boards, including technical product specifications, BIOS updates, and device drivers, go to the Intel World Wide Web site at:
http://support.intel.com/support/motherboards/desktop/
8
Desktop Board Features
Figure 1 shows the location of the major components on the D845HV board.
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OM11978 |
A |
CD-ROM connector (ATAPI) |
O |
Secondary IDE connector |
B |
Auxiliary line-in connector (ATAPI) |
P |
Speaker |
C |
AGP connector |
Q |
Intel 82801BA I/O Controller Hub (ICH2) |
D |
Back panel connectors |
R |
SCSI hard drive activity LED connector |
E |
12 V processor core voltage connector |
S |
Chassis intrusion connector |
F |
Rear chassis fan connector (tachometer input) |
T |
Front chassis fan connector |
G |
Intel 82845 Memory Controller Hub (MCH) |
U |
Alternate power/sleep LED connector |
H |
Processor socket |
V |
Front panel connector |
I |
Processor fan connector (tachometer input) |
W |
Front panel USB connector |
J |
DIMM sockets |
X |
BIOS configuration jumper |
K |
Serial port B connector |
Y |
Battery |
L |
Power connector |
Z |
PCI bus add-in card connectors |
M |
Diskette drive connector |
AA Communication and Networking Riser (CNR) |
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(optional) |
N |
Primary IDE connector |
BB |
Front panel audio connector |
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Figure 1. D845HV Board Components
9
Intel Desktop Boards D845HV and D845WN Product Guide
Figure 2 shows the location of the major components on the D845WN board.
A B C D
BB |
E |
AA |
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G |
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OM12039 |
ACD-ROM connector (ATAPI)
BAuxiliary line-in connector (ATAPI)
CAGP connector
DBack panel connectors
E12 V processor core voltage connector
FRear chassis fan connector (tachometer input)
GIntel 82845 Memory Controller Hub (MCH)
HProcessor socket
IProcessor fan connector (tachometer input)
JDIMM sockets
KSerial port B connector
LPower connector
MDiskette drive connector
NPrimary IDE connector
OSecondary IDE connector
PSpeaker
QIntel 82801BA I/O Controller Hub (ICH2)
RSCSI hard drive activity LED connector
SChassis intrusion connector
TFront chassis fan connector
UAlternate power/sleep LED connector
VFront panel connector
WFront panel USB connector
XBIOS configuration jumper
YBattery
ZPCI bus add-in card connectors
AACommunication and Networking Riser (CNR) (optional)
BBFront panel audio connector
Figure 2. D845WN Board Components
10
Desktop Board Features
CAUTION
Failure to use an ATX12V power supply, or not connecting the additional power supply lead to the D845HV or D845WN boards may result in damage to the desktop board and/or power supply.
The boards support a single Intel Pentium 4 processor. Processors are not included with the board and must be purchased separately.
The processor connects to the board through the mPGA 478-pin socket. The Intel Pentium 4 processor may be removed and replaced to accommodate supported higher speed processors.
The board supports the processors listed in Table 2.
Table 2. Processors Supported by the Desktop Board
Type |
Designation |
System Bus Frequency |
L2 Cache Size |
Intel Pentium 4 processor |
1.4, 1.5, 1.6, 1.7, and |
400 MHz |
256 KB |
in an mPGA-478 package |
1.8 GHz |
|
|
For the latest information on processor support for the D845HV and D845WN boards, refer to the Intel World Wide Web site at:
http://support.intel.com/support/motherboards/desktop/
For instructions on installing or upgrading the processor, see Chapter 2 on page 21.
The D845HV and D845WN boards require an ATX12V compliant power supply to function according to desktop board specifications. Both boards have two ATX12V compliant power supply connectors that are needed to provide extra power to the Intel 845 chipset and Intel Pentium 4 processor.
Items A and E in Figure 21 on page 70 show the two power connector locations.
NOTE
To be fully compliant with all applicable Intel® SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation.
The boards supports system memory as defined below:
•Up to three 168-pin SDRAM Dual Inline Memory Modules (DIMMs) with gold-plated contacts
•PC133 SDRAM only
11
Intel Desktop Boards D845HV and D845WN Product Guide
•64 Mbit, 128 Mbit, and 256 Mbit technologies for the following memory configurations:
32 MB to 384 MB (64 Mbit technology)
Up to 768 MB (128 Mbit technology)
Up to 1.5 GB (256 Mbit technology)
NOTE
The D845HV and D845WN desktop boards have been designed to support DIMMs based on
512 Mbit technology up to 3 GB, but this technology has not been validated on these boards. For more information about the latest list of tested memory, refer to the Intel World Wide Web site at:
http://support.intel.com/support/motherboards/desktop/
•Unbuffered and non-registered single or double-sided DIMMs
•Serial Presence Detect (SPD) memory
•Non-ECC and ECC DIMMs
•3.3 V memory only
NOTE
For information about vendors that support these memory requirements, refer to the D845HV or D845WN link on this Intel World Wide Web site:
http://support.intel.com/support/motherboards/desktop/
For information about installing memory, see Chapter 2 starting on page 21.
The Intel 845 chipset consists of the following devices:
•Intel 82845 Memory Controller Hub (MCH) with AHA bus
•Intel 82801BA I/O Controller Hub (ICH2) with AHA bus
•Firmware Hub (FWH)
Intel®
The MCH provides the processor, system memory, AGP, and hub interfaces in the Intel 845 chipset platform. Features on D845HV and D845WN boards includes:
•Single processor support with 400 MHz data transfer rate
•Support for up to 1.5 GB (with 256 Mbit technology) SDR-SDRAM at 133 MHz operation
•1.5 V AGP interface with 4X Side Band Addressing (SBA)/data transfer and 2X and 4X fast write
12
Desktop Board Features
The Intel 82801BA I/O Controller Hub integrates many I/O functions and provides the I/O subsystem with access to the rest of the platform. ICH2 features on D845HV and D845WN 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 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device for interfacing the ICH2 LAN connect interface to LAN connect component
•Two UHCI USB 1.1 compliant host controllers with four ports (additional ports are provided by the I/O controller)
The 4 Mbit Firmware Hub has these features:
•System BIOS
•System security and management logic
The SMSC LPC47M142 ultra I/O controller features the following:
•Low pin count (LPC) interface
•3.3 V operation
•Two serial ports (one via a board connector)
•One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support
•Serial IRQ interface compatible with serialized IRQ support for PCI systems
•PS/2-style mouse and keyboard interfaces
•Interface for one 1.2 MB, 1.44 MB, or 2.88 MB diskette drive
•Intelligent power management, including a programmable wake up event interface
•PCI power management support
•Two fan tachometer inputs
The desktop boards have a time-of-day clock and 100-year calendar. A battery on the desktop board keeps the clock current when the computer is turned off.
13
Intel Desktop Boards D845HV and D845WN Product Guide
NOTE
Computer systems that have an unshielded cable attached to a USB port might not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a shielded cable that meets the requirements for a full-speed USB device.
The boards support up to seven USB 1.1 ports via the ICH2 and I/O controller; four ports routed to the back panel, two to the front panel connector, and one to the optional CNR. To attach additional devices, connect an external hub to either of the built-in ports. The board supports the standard universal host controller interface (UHCI) and takes advantage of standard software drivers written to be compatible with UHCI.
The ICH2’s IDE interface handles the exchange of information between the processor and peripheral devices like hard disks, CD-ROM drives, and Iomega Zip† drives inside the computer. The interface supports:
•Up to four IDE devices (such as hard drives)
•ATAPI devices (such as CD-ROM drives)
•PIO Mode 3 and PIO Mode 4 devices
•Ultra DMA-33 and ATA-66/100 protocols
•Laser servo (LS-120) drives
The D845HV and D845WN boards have the following add-in card connectors:
The D845HV board has:
•Three PCI bus add-in card connectors (PCI bus connector 3 slot shared with CNR)
•One AGP connector
•One optional CNR connector (slot shared with PCI bus connector 3)
The D845WN board has:
•Six PCI bus add-in card connectors (PCI bus connector 6 slot shared with CNR)
•One AGP connector
•One optional CNR connector (slot shared with PCI bus connector 6)
14
Desktop Board Features
NOTE
The D845HV and D845WN boards are only compatible with 1.5 V AGP cards.
AGP is a high-performance interface for graphics-intensive applications, such as 3D graphics. AGP is independent of the PCI bus and is intended for exclusive use with graphical
display devices.
The AGP connector supports 1.5 V AGP 4X and 2X add-in cards. The AGP card retention mechanism is used only with cards with retention notches (see Figure 12 on page 32). For information about installing the AGP card retention mechanism and an AGP card,
see Chapter 2 on page 21.
The optional CNR provides an interface that supports various features such as audio, modem, USB, and LAN.
The audio subsystem features the following:
•Intel 82801BA ICH2
•Analog Devices AD1885 analog codec (AC ’97)
NOTE
The line out connector, located on the back panel, is designed to power either headphones or amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are connected to this output.
Audio drivers and utilities are available from Intel’s World Wide Web site: http://support.intel.com/support/motherboards/desktop/
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI and IDE auto-configuration utilities, and the video BIOS. The BIOS is stored in the Firmware Hub.
The BIOS can be updated by following the instructions in Chapter 3 on page 43.
If you install a PCI add-in card in your computer, the PCI auto-configuration utility in the BIOS automatically detects and configures the resources (IRQs, DMA channels, and I/O space) for that add-in card. You do not need to run the BIOS Setup program after you install a PCI add-in card.
15
Intel Desktop Boards D845HV and D845WN Product Guide
If you install an IDE device (such as a hard drive) in your computer, the IDE auto-configuration utility in the BIOS automatically detects and configures the device for your computer. You do not need to run the BIOS Setup program after installing an IDE device. You can override the autoconfiguration options by specifying manual configuration in the BIOS Setup program.
To use ATA-66/100 features, the following items are required:
•An ATA-66/100 peripheral device
•An ATA-66/100 compatible cable
•ATA-66/100 operating system device drivers
The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the Setup and for booting the computer, with the following restrictions:
•The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing <Enter> at the password prompt of Setup gives the user restricted access to Setup.
•If both the supervisor and user passwords are set, you must enter either the supervisor password or the user password to access Setup. Setup options are then available for viewing and changing depending on whether the supervisor or user password was entered.
•Setting a user password restricts who can boot the computer. The password prompt is displayed before the computer is booted. If only the supervisor password is set, the computer boots without asking for a password. If both passwords are set, you can enter either password to boot the computer.
The optional Intel 82562ET (with the Intel 82801BA ICH2) provides a Fast PCI LAN subsystem providing both 10Base-T and 100Base-TX connectivity. The Intel 82562ET provides the following functions:
•Basic 10/100 Ethernet LAN connectivity
•Supports RJ-45 connector with status indicator LEDs
•Programmable transit threshold
•Configurable EEPROM that contains the MAC address
For LAN software and drivers, refer to the D845HV or D845WN link on Intel’s World Wide Web site at:
http://support.intel.com/support/motherboards/desktop
16
Desktop Board Features
Two LEDs are built into the RJ-45 LAN connector. Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating.
Table 3. |
RJ-45 LAN Connector LEDs |
|
|
|
|
|
|
LED Color |
|
LED State |
Indicates |
Green |
|
Off |
10 Mbit/sec data rate is selected. |
|
|
On |
100 Mbit/sec data rate is selected. |
Yellow |
|
Off |
LAN link is not established. |
|
|
On (steady state) |
LAN link is established. |
|
|
On (brighter and pulsing) |
The computer is communicating with another computer on |
|
|
|
the LAN. |
A 47 Ω inductive speaker is mounted on the desktop board. The speaker provides audible error code (beep code) information during the Power-On Self-Test (POST).
A battery on the board keeps the values in CMOS RAM and the clock current when the computer is turned off. See Chapter 2 starting on page 21 for instructions on how to replace the battery.
Power management is implemented at several levels, including:
•Software support:
Advanced Configuration and Power Interface (ACPI)
Instantly Available PC (IAPC)
•Hardware support:
Resume on Ring
Instantly Available technology
Wake from USB
Wake from PS/2 keyboard
PCI card wake up support
17
Intel Desktop Boards D845HV and D845WN Product Guide
The operation of Resume on Ring can be summarized as follows:
•Resumes operation from the ACPI S1 state
•Requires only one call to access the computer
•Detects incoming call similarly for external and internal modems
•Requires modem interrupt be unmasked for correct operation
CAUTION
For Instantly Available technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality.
Instantly Available technology enables the board to enter the ACPI S3 (Suspend-to-RAM) sleep state. While in the S3 sleep state, the computer will appear to be off. When signaled by a wake-up device or event, the system quickly returns to its last known awake state.
The board’s standby power indicator, shown in Figure 3, is lit when there is standby power to the system. This includes the memory modules and PCI bus connectors, even when the computer appears to be off.
If the system has a dual-colored power LED on the front panel, the sleep state is indicated by the LED turning amber.
CR3H1 |
OM11979 |
Figure 3. Location of Standby Power Indicator
18
Desktop Board Features
CAUTION
If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the desktop board may lose register settings stored in memory.
Power supplies used with this board must be able to provide enough standby current to support the standard Instantly Available (ACPI S3 sleep state) configuration as outlined in Table 4. Values are determined by specifications such as PCI 2.2. Actual measurements may vary.
To estimate the total amount of standby current required for a particular system configuration, standby current requirements of all installed components must be added. Refer to the descriptions in and follow the steps outlined below:
1.Note the total D845HV or D845WN board standby current requirement.
2.Add to that the total PS/2 port standby current requirement if a wake-enabled device is connected.
3.Add, from the PCI 2.2 slots (wake-enabled) row, the total of the number of wake-enabled devices installed (PCI and AGP) multiplied by the standby current requirement.
4.Add, from the PCI 2.2 slots (nonwake-enabled) row, the total of the number of wake-enabled devices installed (PCI and AGP) multiplied by the standby current requirement.
5.Add all additional wake-enabled devices’ and nonwake-enabled devices’ standby current requirements as applicable.
6.Add all the required current totals from steps 1 through 5 to determine the total estimated standby current power supply requirement.
Table 4. |
Standby Current Requirements |
|
||
|
|
|
||
Instantly Available Current |
|
Standby Current |
||
Support |
|
Description |
Requirements (mA) |
|
Estimate for integrated board |
Total for the D845HV/D845WN |
770* |
||
components |
board |
|
||
Estimate for add-on components |
PS/2 ports** |
345 |
||
(Add to integrated board |
PCI 2.2 slots (wake-enabled) |
375 |
||
components shown above) |
||||
PCI 2.2 slots (nonwake-enabled) |
100 |
|||
|
|
|||
|
|
CNR** (wake enabled) |
875 |
|
|
|
CNR** (non-wake enabled) |
40 |
|
|
|
USB ports** |
700 |
*Refer to the Intel Desktop Board D845HV/D845WN Technical Product Specification for the exact standby current requirements
**Dependent upon system configuration
19
Intel Desktop Boards D845HV and D845WN Product Guide
NOTE
PCI requirements are calculated by totaling the following:
•One wake-enabled device @ 375 mA.
•Five non wake-enabled devices @ 20 mA each.
PS/2 Ports requirements per the IBM PS/2 Port Specification (Sept 1991):
•Keyboard @ 275 mA.
•Mouse @ 70 mA.
USB requirements are calculated by totaling the following:
•One wake-enabled device @ 500 mA.
•USB hub @ 100 mA.
•Three USB non-wake-enabled devices @ 2.5 mA each.
•The USB ports are limited to a combined total of 700 mA.
20
This chapter tells you how to:
•Install the I/O shield
•Install and remove the desktop board
•Install and remove a processor
•Install and remove memory
•Install and remove an AGP retention mechanism and card
•Connect the IDE cable
•Set the BIOS jumper
•Clear passwords
•Replace the battery
CAUTION
Before you install this board in a chassis, see Appendix B for regulatory requirements and precautions.
•Always follow the steps in each procedure in the correct order.
•Set up a log to record information about your computer, such as model, serial numbers, installed options, and configuration information.
•Electrostatic discharge (ESD) can damage components. Perform the procedures described in this chapter only at an ESD workstation using an antistatic wrist strap and a conductive foam pad. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the computer chassis.
WARNINGS
The procedures in this chapter assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment.
Disconnect the computer from its power source and from any telecommunications links, networks, or modems before performing any of the procedures described in this chapter. Failure to disconnect power, telecommunications links, networks, or modems before you open the computer or perform any procedures can result in personal injury or equipment damage. Some circuitry on the board can continue to operate even though the front panel power button is off.
21
Intel Desktop Boards D845HV and D845WN Product Guide
The board comes with an I/O shield. When installed in the chassis, the shield blocks radio frequency transmissions, protects internal components from dust and foreign objects, and promotes correct airflow within the chassis.
Install the I/O shield before installing the board in the chassis. Place the shield inside the chassis as shown in Figure 4. Press the shield into place so that it fits tightly and securely. If the shield doesn’t fit, obtain a properly-sized shield from the chassis supplier.
OM11543
Figure 4. Installing the I/O Shield
22
Installing and Replacing Desktop Board Components
Refer to your chassis manual for instructions on installing and removing the board. The D845HV board is secured to the chassis by eight screws and the D845WN board by 11 screws. See Figure 5 and Figure 6 for the locations of the mounting holes of each board.
WARNING
This procedure should be done only by qualified technical personnel. Disconnect the computer from its power source before performing the procedures described here. Failure to disconnect the power before you open the computer can result in personal injury or equipment damage.
NOTES
You will need a Phillips† (#2 bit) screwdriver.
Refer to Appendix B for regulatory requirements and installation instructions and precautions.
Figure 5 shows the location of the mounting holes for the D845HV board.
OM11982 |
Figure 5. D845HV Board Mounting Holes
23
Intel Desktop Boards D845HV and D845WN Product Guide
Figure 6 shows the location of the mounting holes for the D850WN board.
OM12080 |
Figure 6. D845WN Board Mounting Holes
24
Installing and Replacing Desktop Board Components
Instructions on how to install the processor fan heatsink retention mechanism (RM) base and processor to the desktop board are given below. For instruction on how to install the processor fan heatsink, refer to the processor installation manual or the Intel World Wide Web site:
http://support.intel.com/support/motherboards/desktop
NOTE
The following assembly operation should be performed after the desktop board is secured in the chassis.
To install the processor fan heatsink RM base, follow these instructions:
1.Observe the precautions in “Before You Begin” on page 21.
2.Locate the processor fan heatsink RM holes on the desktop board (see Figure 7).
OM11983 |
Figure 7. Processor Fan Heatsink RM Mounting Holes
25
Intel Desktop Boards D845HV and D845WN Product Guide
3.Align the four fasteners (B) of the processor fan heatsink RM base with the corresponding holes in the desktop board (C). Gently press the base down until all four corners snap into place. Verify that all four fasteners are fully engaged, then press down each of the four locking pushpins (A) to fully secure the base to the desktop board (see Figure 8).
A |
B |
C |
OM12096 |
Figure 8. Installing the Processor Fan Heatsink RM Base to the Board
26
Installing and Replacing Desktop Board Components
CAUTION
Before installing or removing the processor, make sure that ac power has been removed by unplugging the power cord from the computer; the standby power LED should not be lit (see Figure 3 on page 18). Failure to do so could damage the processor and the board.
To install a processor, follow these instructions:
1.Observe the precautions in “Before You Begin” on page 21.
2.Locate the processor socket and raise the socket lever completely.
3.Install the processor so that the corner with the triangle marking (A) is aligned with the corner where the lever is attached to the socket (see Figure 9).
4.Lower the lever to its original position.
mPGA478B |
mPGA478B |
mPGA478B |
|
|
A |
OM12078
Figure 9. Installing a Processor
For instructions on how to install the processor fan heatsink, refer to the boxed processor manual or the Intel World Wide Web site at:
http://support.intel.com/support/motherboards/desktop
27