Intel D850GB User manual

Intel®Desktop Board

D850GB/ D850GBAL

Quick Reference

This guide is written for technically qualified personnel with experience

installing and configuring desktop boards.

Before You Begin

Warning and Caution..........................................................................3

Safety and Regulatory Notice:............................................................3

Desktop Board Connectors...................................................................4

Supported Components.........................................................................6

Installation Steps

1 Installing the AGP Card Retention Mechanism

(D850GB only).............................................................................. 7

2 Installing the I/O Shield.................................................................9

3 Installing the Desktop Board ........................................................10

4 Installing the Processor Retention Mechanisms............................11

5 Installing the Processor................................................................. 13

6 Applying Thermal Grease to the Processor...................................14

7 Installing the Processor Fan Heatsink........................................... 15

8 Installing the Fan Heatsink Clips..................................................16

9 Installing the Memory Modules.................................................... 17

10 Connecting the Fans .....................................................................18

11 Installing an AGP Card................................................................. 18

12 Attaching IDE Hard Drives with the Ultra ATA-66/100 Cable.... 19

Setting the BIOS Configuration and USB Port 2 Routing

Jumpers ....................................................................................................20

BIOS Setup Program Defaults............................................................. 22

Items on the CD-ROM

x Product warranty

x Intel®Express Installer

x Intel®Desktop Board D850GB/D850GBAL Product Guide

x Software utilities and drivers

x Software license agreement

x Readme file

Part number: A30315-003

2 Intel Desktop Board D50GB/D850GBAL

Quick Reference

Getting Help

View or download product support information from Intel’s World Wide Web

site: http://support.intel.com/support/motherboards/desktop

Documents on the web site include:

x Intel®Desktop Board D850GB Technical Product Specification

x Intel®Desktop Board D850GB Specification Update

If you can’t find the information you need on the Web, contact your point of

purchase. The Intel Web site also includes telephone numbers and billing

charges, if applicable, for Intel customer support.

Intel Corporation (Intel) makes no warranty of any kind with regard to this

material, including, but not limited to, the implied warranties of merchantability

and fitness for a particular purpose. Intel assumes no responsibility for any errors

that may appear in this document. Intel makes no commitment to update nor to

keep current the information contained in this document. No part of this

document may be copied or reproduced in any form or by any means without

prior written consent of Intel.

An Intel®product, when used in accordance with its associated documentation, is

"Year 2000 Capable" when, upon installation, it accurately stores, displays,

processes, provides, and/or receives date data from, into, and between the

twentieth and twenty-first centuries, including leap year calculations, provided that

all other technology used in combination with said product properly exchanges

date data with it.

†Third-party brands and trademarks are the property of their respective owners.

Intel Desktop Board D850GB/D850GBAL 3

Quick Reference

Before You Begin

Warning and Caution

WARNING

Disconnect the board’s power supply from its AC power source

before you connect or disconnect cables, or install or remove any

board components. Failure to do this can result in personal injury or

equipment damage. Some circuitry on the desktop board can

continue to operate even though the front panel power switch is off.

CAUTION

Electrostatic discharge (ESD) can damage desktop board components.

Install the board at an ESD-controlled workstation. If such a workstation

is not available, wear an antistatic wrist strap or touch the surface of the

antistatic package before handling the board.

Safety and Regulatory Notice:

See the Intel®Desktop Board D850GB/D850GBAL Product Guide for all

applicable regulatory compliance statements, product certification markings, and

safety and electromagnetic compatibility (EMC) standards and regulations these

desktop boards are compliant with..

Replacement battery warning label provided: Place the label inside the chassis

in an easy-to-see location near the battery but not on the board itself.

Intended uses: This product was evaluated as information technology

equipment (I.T.E) for home or office use when installed into an appropriate

computer chassis. Other end uses or locations may require further evaluation.

4 Intel Desktop Board D50GB/D850GBAL

Quick Reference

Desktop Board Connectors

OM11532

USB

Devices

J8C3

2-pin alternate

power LED/Sleep

connector

Ground

Reset

HD LED

Power LED

IR Module

J9D2

+5V

Connection

A B C E F

S P

RO M

IRTX

Ground

IRRX

+5V

Line

continued

Intel Desktop Board D850GB/D850GBAL 5

Quick Reference

Desktop Board Connectors (continued)

A. ADI AD1885 audio codec

(D850GBAL only) O. Diskette drive connector

B. Auxiliary line-in connector

(D850GBAL only) P. Primary IDE connector

C. Legacy CD-ROM connector

(D850GBAL only) Q. Secondary IDE connector

D. ATAPI-style CD-ROM

connector (D850GBAL only) R. USB port 2 routing jumper

(D850GB only)

E. AGP connector S. Front panel USB connector

F. Intel®82850 Memory

Controller Hub (MCH) T. Chassis fan connector

G. 12 V processor core voltage

connector U. Battery

H. Chassis fan connector V. BIOS configuration jumper

I. Processor socket W. Wake on LAN†technology connector

J. Processor fan connector X. SCSI LED connector

K. RIMM fan connector Y. Speaker

L. RIMM sockets Z. Intel®82801BA I/O Controller Hub

(ICH2)

M. Power connector AA.PCI bus add-in card connectors

N. Auxiliary power connector BB.Communication and Networking Riser

(CNR) (D850GB only)

CAUTION

Many of the midboard and front panel connectors provide operating

voltage (+5 V DC and +12 V DC, for example) to devices inside the

computer chassis, such as fans and internal peripherals. These

connectors are not overcurrent protected. Do not use these connectors

for powering devices external to the computer chassis. A fault in the load

presented by the external devices could cause damage to the computer,

the interconnecting cables, and the external devices themselves.

6 Intel Desktop Board D50GB/D850GBAL

Quick Reference

Supported Components

Processors

The board supports the following processors:

Processor Type Processor Frequency

(GHz) System Bus Frequency

(MHz)

Intel®Pentium 4

processor 1.3, 1.4, and 1.5 400

For the latest information on processors supported by the D850GB/D850GBAL

board, refer to the Intel web site at:

http://support.intel.com/support/motherboards/desktop

CAUTION

Failure to use an ATX12V power supply, or not connecting both additional

power supply leads to the D850GB or D850GBAL board may result in

damage to the desktop board.

For more information on the ATX12V power supply, refer to the

Intel Desktop Board D850GB/D850GBAL Product Guide on the

CD-ROM.

Memory Module Requirements

The board has four 2.5 V memory module sockets that support RIMMs

containing Direct Rambus DRAM (RDRAM) devices.

The board supports the following memory features:

x Maximum of 32 Direct Rambus devices per channel

x Memory configurations from 128 MB (minimum) to 2 GB (maximum)

using 128 Mbit or 256 Mbit technology

x PC600 or PC800 compliant RDRAM

x Single- or double-sided RIMM modules

x Serial Presence Detect (SPD) memory only

x ECC and non-ECC support

✏NOTE

For information about vendors that support these memory requirements,

refer to the D850GB link on this Intel web site:

http://support.intel.com/support/motherboards/desktop

Intel Desktop Board D850GB/D850GBAL 7

Quick Reference

Installation Steps

1 Installing the AGP Card Retention Mechanism

(D850GB only)

CAUTION

Install the AGP card retention mechanism (RM) only when using an

AGP card with a retention notch (A) as shown in the figure below. Use of

the RM with an unnotched card may impair video operation. See the

Intel Desktop Board D850GB/D850GBAL Product Guide on the CD-ROM

for RM removal instructions.

OM10592

8 Intel Desktop Board D50GB/D850GBAL

Quick Reference

The RM encloses the board’s AGP connector and stabilizes the AGP card.

Place the board (component side up) on a flat, supportive surface, preferably on

the anti-static bag in which the board was shipped in. Follow the steps outlined

below to attach the RM (A) to the AGP connector (B):

1 Locate the AGP connector (J5E1) on the board as shown below. Note

that the board’s silkscreen (C) indicates the correct final position of the

lever (D) on the RM.

OM11536

2 Position the RM over the AGP connector as shown below.

OM10111

3 Push the lever end of the RM in the direction of the arrow until the two

rearmost tabs (E) spread over the end of the AGP connector.

OM10180

4 Push the free end of the RM over the other end of the AGP connector and

press down evenly on both ends of the RM until all four tabs click

underneath the AGP connector. Do not apply unnecessary pressure to

avoid damaging the board.

OM10181

Intel Desktop Board D850GB/D850GBAL 9

Quick Reference

2 Installing the I/O Shield

The board comes with an I/O shield. When installed in the chassis, the shield

blocks radio frequency transmissions, necessary to pass emissions (EMI)

certification testing, 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 the following figure. 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.

OM11542

D850GB I/O Shield

OM11543

D850GBAL I/O Shield

10 Intel Desktop Board D50GB/D850GBAL

Quick Reference

3 Installing the Desktop Board

CAUTION

Failure to use an ATX12V power supply, or not connecting both additional

power supply leads to the D850GB or D850GBAL board may result in

damage to the desktop board.

For more information on the ATX12V power supply, refer to the

Intel Desktop Board D850GB/D850GBAL Product Guide on the CD-ROM.

✏NOTES

Make sure your chassis supports the Intel Pentium 4 processor. You can

determine this by verifying that the standoffs for the processor retention

mechanism are in the correct location on the chassis.

Do not install the four screws around the processor socket at this time.

Refer to your chassis manual for specific instructions on installing and removing

the board. Secure the board to the chassis standoffs using 10 screws. Insert the

screws in the mounting holes shown in the figure below.

OM11537

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