Dell POWEREDGE 4300 Manuale utente

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Throughout this guide, blocks of text may be accompanied by an icon and printed in

bold type or in italic type . These blocks are notes, cautions, and warnings, and they

are used as follows :

NOTE: A NOTE indicates important information that helps you make better use of

your computer system.

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____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Computer Cor-

poration is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and PowerEdge are trademarks of Dell Com-

puter Corporation. Other trademarks and trade names may be used in this document to refer to

either the entities claiming the marks and names or their products. Dell Computer Corporation

disclaims any proprietary interest in trademarks and trade names other than its own.

February 1999 P/N 1761P

Dell PowerEdge 4300 System Board Upgrade Installation 1

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This guide provides instructions for removing the system board from your Dell Power-

Edge 4300 system and installing the new system board.

Your kit consists of a replacement system board, a basic input/output system (BIOS)

and firmware upgrade diskette, and instructions.

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Before shutting down your system, view the system configuration screen s in the Sys-

tem Setup program and/or the Resource Configuration Utility (RCU) and make a

record of the settings (see your Users Guide for complete information). You will be

installing a new system board and you must set the options to the same settings.

The upgrade procedure requires a #2 Phillips screwdriver. In addition, you should use

a wrist grounding strap for electrostatic discharge (ESD) protection. Read the safety

instructions in the following section.

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Before you remove the computer covers, perform the following steps in the sequence

indicated.

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2 Dell PowerEdge 4300 System Board Upgrade Installation

1. Turn off your computer and any peripherals.

2. Ground yourself by touching an unpainted metal surface on the chassis,

such as the metal around the card-slot openings at the back of the com-

puter, before touching anything inside your computer.

While you work, periodically touch an unpainted metal surface on the com-

puter chassis to dissipate any static electricity that might harm internal

components.

3. Disconnect your computer and peripherals from their power sources. Also,

disconnect any telephone or telecommunication lines from the

computer.

Doing so reduces the potential for personal injury or shock.

In addition, take note of these safety guidelines when appropriate:

When you disconnect a cable, pull on its connector or on its strain-relief loop, not

on the cable itself. Some cables have a connector with locking tabs; if you are dis-

connecting this type of cable, press in on the locking tabs before disconnecting

the cable. As you pull connectors apart, keep them evenly aligned to avoid bend-

ing any connector pins. Also, before you connect a cable, make sure both

connectors are correctly oriented and aligned.

Handle components and cards with care. Dont touch the components or con-

tacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a

component such as a microprocessor chip by its edges, not by its pins.

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Removing the system board of a PowerEdge 4300 system involves the following

activities:

Disconnecting power

Removing expansion cards

Removing the covers

Removing the system board tray

Removing the system board

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To disconnect power from a PowerEdge 4300 system, perform the following steps :

1. Disconnect the power cable from the electrical outlet, and then disconnect the

other end of the cable from the power supply.

Dell PowerEdge 4300 System Board Upgrade Installation 3

2. Press the locking bar in the power supply handle in and to the left (or lift up if the

computer is in rack-mount position) until the latch disengages from the chassis

(see Figure 1).

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3. Rotate the handle outward (forcing the power supply partially out of its bay), and

pull the power supply the rest of the way out by the handle.

4. Repeat steps 1 through 3 to remove the remaining power supplies.

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To remove the expansion cards, perform the following steps:

1. Open the expansion-card access door (see Figure 2).

Record the location of each expansion card so that each card is installed into the

same slot on the new system board.

2. Disconnect any cables attached to the expansion cards.

Be sure to record the location of each cable before you disconnect it.

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power supply handle

power supply

latch





locking bar

4 Dell PowerEdge 4300 System Board Upgrade Installation

3. For each card you are removing, press in and hold the clip on the back of the com-

puter. At the same time, from inside the computer, press the curved release

lever in the middle of the expansion-card latch toward the bottom of the card.

After the release lever clicks into the latch cutout, rotate the latch away from the

expansion-card bracket.

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4. Release the inner end of the expansion card by pressing outward on the latch at

the inner corner of the card.

5. Grasp the expansion card by its corners, and carefully remove it from the

expansion-card connector.

Be sure to record the location of each expansion card.

expansion card

release lever

expansion-card latch

access door

door latches (2)

clip

latch cutout

Dell PowerEdge 4300 System Board Upgrade Installation 5

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To remove the covers, perform the following steps:

1. Turn the keylock on the back edge of the cover to the unlocked position (see

Figure 3).

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2. Slide the cover about a centimeter (half an inch) toward the back of the computer.

3. Grasp the top of the cover at both ends and lift it away from the chassis.

computer cover

keylock

6 Dell PowerEdge 4300 System Board Upgrade Installation

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To remove the system board tray, perform the following steps:

1. Disconnect all cables from the system board.

When disconnecting the power cables from the system board, press the plastic

latch on one side of the connector to release it.

2. Release the tray latch at the lower-back corner of the system board tray (see Fig-

ure 4) and pull the tray open to the service position. Then depress the latch again

and pull the tray out of the chassis.

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system

board tray

tray latch

Dell PowerEdge 4300 System Board Upgrade Installation 7

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To remove the system board from the system board tray, perform the following steps:

1. Loosen the thumbscrew securing the system board to the tray (see

Figure 5).

2. Slide the system board to the left as shown in Figure 5 (toward the inner expan-

sion-card guide brackets) about a centimeter (half an inch) to clear the chassis

hooks, and remove the board.

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3. Remove the DIMMs, SEC cartridge and heat sink assembly, and terminator card,

and set them aside for installation on the new system board.

Verify that all the jumper settings on the new system board are identical to those

on the original board.

thumbscrew

inner card-guide brackets

8 Dell PowerEdge 4300 System Board Upgrade Installation

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To install the new system board (see Figure 6) on the supporting subchassis, perform

the following steps:

1. Position the system board over the system board tray so that the slots are

aligned with the chassis hooks; then lower the board onto the tray.

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diskette-drive interface

connector (FLOPPY)

video connector (JVGA)

parallel port connector

(PARALLEL)

serial port connectors (2)

(SERIAL1 [top] and

SERIAL2)

keyboard and mouse

connectors (KYBD/MOUS

secondary

microprocessor

(PROCESSOR 2)

battery connector

(BATTERY)

Ultra/Narrow SCSI

connector (SCSI2)

DIMM sockets

(DIMM_A [right]DIMM_

speed and

configuration

jumpers

fan connectors

(FAN1, FAN2)

front of system board

primary microprocessor

(PROCESSOR 1)

ISA connectors

(ISA5 [top] and ISA6)

primary PCI connectors

(PCI1 [top] through PCI4)

power input

connector

(POWER1)

secondary PCI connector

(PCI5 [top] and PCI6)

Ultra2/LVD SCSI

connector (SCSI1)

chassis-intrusion

switch connector

(INTRUS2)

SCSI backplane board

interface connector

(BACKPLANE)

server management bus

connector (XSMB_IN)

server management bus

connector (XSMB_OUT)

Dell Remote

Assistant Card

connector (SVR_MGT)

hard-disk drive

activity indicator

connector (HLED)

storage-system

server-management

bus connector (SDS_SMB)

power input

connector

(POWER2)

system board power indicator (STANDBY_LED)

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