Dell PowerEdge 2550 Bedienungsanleitung

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Dell™ Systems

INSTALLING A FIFTH SCSI

HARD-DISK DRIVE

Notes, Notices, Cautions, and

Warnings

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

use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of

data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potentially hazardous situation

which, if not avoided, may result in minor or moderate injury.

WARNING: A WARNING indicates a potentially hazardous

situation which, if not avoided, may result in severe injury.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of

Dell Computer Corporation is strictly forbidden.

Trademarks used in this text:

Dell

and the

DELL

logo are trademarks of

Dell Computer 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 2001 P/N 54XEV Rev. A02

Installing a Fifth SCSI Hard-Disk Drive 1-1

About This Guide

This document describes installing and configuring an optional fifth SCSI hard-disk drive

in your Dell™ system’s peripheral bay.

Before You Begin

Before installing a fifth SCSI hard-disk drive, you should install and configure the other four

SCSI drives. If you want to set up the five drives in a split 1 x 2 and 1 x 3 configuration, you

must install a second, optional SCSI backplane daughter card in your system. (For more

information about the daughter card, see “Installing Hard-Disk Drives” in your system’s

Installation and Troubleshooting Guide.) Figure 1-1 illustrates the system components

associated with the SCSI hard-disk drives.

Figure 1-1. Basic SCSI Hard-Disk Drive System Components

SCSI hard-disk

drives (4)

SCSI backplane board

SCSI ID 0

SCSI ID 2 SCSI ID 3

SCSI ID 1 interposer board

peripheral bay

SCSI interface cable

connection for fifth

hard-disk drive

power supply

distribution board

1-2 Installing a Fifth SCSI Hard-Disk Drive

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Hard-Disk Drive Configuration

The four hard-disk drives connected to the main SCSI backplane board are designated as

SCSI ID 0 through SCSI ID 3 (see Figure 1-1). The fifth hard-disk drive is identified as

SCSI ID 4.

To operate the five drives in a 1 x 5 configuration, attach a single SCSI host adapter to

connector SCSIA on the SCSI backplane board. You can also configure the five drives in a

split (1 x 2 and 1 x 3) configuration if you install a second, optional SCSI backplane

daughter card and a second SCSI host adapter. In this mode, the host adapter attached to

connector SCSIB on the backplane controls slots SCSI ID 0 and SCSI ID 1, while the host

adapter connected to connector SCSIA controls slots SCSI ID 2, SCSI ID 3, and the fifth

drive slot, SCSI ID 4.

Installing a Fifth SCSI Hard-Disk Drive

Dell supplies SCSI hard-disk drives in special drive carriers that fit in the hard-disk drive

bays. For a drive carrier to fit in the peripheral bay, you must remove the peripheral bay and

install a special hard-disk drive cage in the bay. You then reinstall this bay-and-cage

assembly and insert the drive carrier into the hard-disk drive cage.

WARNING: Before you perform the procedures in this section, you must turn off

the system and disconnect it from its AC power source.

WARNING: See your

System Information

document for important safety

information before working inside your system.

1Turn off the system, including any attached peripherals, and disconnect the system

from the electrical outlet.

2Open the system covers.

3If a bezel is installed, remove it.

For more information, see “Removing the Front Bezel” in your system’s Installation

and Troubleshooting Guide.

4If a SCSI tape drive or other drive is currently installed in the peripheral bay,

disconnect the interface and power cables from the drive.

5Disconnect all cables connected to the interposer board on top of the peripheral bay

(see Figure 1-1). These cables include the system board interface cable, cooling fan

wiring harness, interposer board power cable, and control panel cable (see Figure 1-2).

Installing a Fifth SCSI Hard-Disk Drive 1-3

Figure 1-2. Connectors on the Interposer Board

6Loosen the thumbscrew at the back corner of the peripheral bay (see Figure 1-3).

Figure 1-3. Installing the Hard-Disk Drive Cage in the Peripheral Bay

system board interface

cable connector

interposer board power

cable connector

cooling fan wiring

harness connector

control panel cable connector diskette drive/CD-ROM

drive interface connector

thumbscrew

peripheral bay

hard-disk drive cage

rails (2)

1-4 Installing a Fifth SCSI Hard-Disk Drive

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7Slide the peripheral bay toward the back of the system approximately 2.5 cm

(one inch), and then lift the peripheral bay upward and set it aside.

8If the peripheral bay is empty, remove the rectangular plastic insert from the front of

the system chassis.

9From the inside of the chassis, push outward on the center of the plastic insert to

release the insert from the chassis.

10 If a tape drive or other drive is installed in the peripheral bay, release the drive by

pressing the front of each drive rail, and slide the drive out of the bay.

11 Slide the hard-disk drive cage into the peripheral bay until the rails snap into place

(see Figure 1-3).

12 Lower the peripheral bay back into the chassis, and then slide the bay forward into

position.

Be careful to avoid trapping power or interface cables underneath the peripheral bay

when you reinstall it.

13 Secure the peripheral bay by tightening the thumbscrew at the back corner of the cage.

14 Connect the SCSI interface cable (see Figure 1-1) to the SCSI cable connector on the

fifth-drive backplane board at the back of the hard-disk drive cage (see Figure 1-4).

Figure 1-4. Connectors on the Fifth-Drive Backplane Board

SCSI cable connector

interface cable connector

power connector

Installing a Fifth SCSI Hard-Disk Drive 1-5

15 Connect one end of the ribbon-style interface cable provided in your drive upgrade kit

to the 10-pin interface cable connector on the fifth-drive board (see Figure 1-4).

16 Attach the other end of the ribbon-style interface cable to connector DRIVE5 on the

main SCSI backplane board (see Figure 1-5).

Figure 1-5. Connectors on the Main SCSI Backplane Board

17 Connect the spare power cable leading from the power supply distribution board

(see Figure 1-1) to the power connector on the fifth-drive backplane board

(see Figure 1-4).

18 Reconnect the control panel cable, power cable, cooling fan wiring harness, and

interposer board interface cable to the interposer board (see Figure 1-2).

19 Install the fifth hard-disk drive by aligning the edge of the hard-disk drive carrier with

the opening in the front of the hard-disk drive cage, and insert the carrier into the

drive cage (see Figure 1-6).

power connector (POWER2)

SCSI cable

connector (SCSIA)

data cable connector to optional fifth drive board (DRIVE5)

system-board data

cable connector

(PLANAR) SCSI cable connector

(SCSIB)

1-6 Installing a Fifth SCSI Hard-Disk Drive

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Figure 1-6. SCSI Hard-Disk Drive Carrier

20 Close the hard-disk drive carrier handle to lock the drive carrier in place

(see Figure 1-6).

21 Check all system cable connections that might have been loosened during this

installation procedure.

Arrange cables so that they do not catch on the system covers or block the airflow of

the fans or cooling vents.

22 Close the system covers.

23 Reconnect the system and peripherals to their AC power sources, and turn them on.

24 If you removed the system’s optional bezel in step 3, reinstall it.

25 If the hard-disk drive is a new drive, run the Dell Diagnostics to test the drive.

For more information, see “Running the Dell Diagnostics” in your Installation and

Troubleshooting Guide.

hard-disk drive carrier handle

hard-disk drive carrier

www.dell.com

support.dell.com

Systèmes Dell™

INSTALLATION D'UNE CINQUIÈME

UNITÉ DE DISQUE DUR SCSI

Remarques, avis, précautions et

avertissements

REMARQUE : Une REMARQUE indique une information importante qui

peut vous aider à mieux utiliser votre ordinateur.

AVIS : Un AVIS vous avertit d’un risque de dommage matériel ou de perte de

données et vous indique comment éviter le problème.

PRÉCAUTION : Une PRÉCAUTION vous avertit d’une situation

qui, si elle n'est pas évitée, peut entraîner des blessures plus ou

moins graves.

AVERTISSEMENT : Un AVERTISSEMENT vous avertit d’une

situation qui, si elle n'est pas évitée, peut entraîner des blessures

graves.

____________________

Les informations contenues dans ce document sont sujettes à modification sans préavis.

Toute reproduction, sous quelque forme que ce soit, sans l'autorisation écrite de

Dell Computer Corporation est strictement interdite.

Marques utilisées dans ce texte :

Dell

et le logo

DELL

sont des marques de

Dell Computer Corporation.

D'autres marques et noms commerciaux peuvent être utilisés dans ce document pour faire

référence aux entités se réclamant de ces marques et de ces noms ou à leurs produits.

Dell Computer Corporation dénie tout intérêt propriétaire vis-à-vis des marques et des noms

commerciaux autres que les siens.

Février 2001 P/N 54XEV Rév. A02

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