Dell PowerEdge 2550 Manual - Page 3

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About This Guide

This document updates information in your Dell™ system documentation.

To operate your system's SCSI hard-disk drives in a split 2 x 2 or 2 x 3 configuration, you

must install a second, optional daughter card. This daughter card connects to the SCSI

backplane board at the back of your system's hard-disk drive bays. Figure 1-1 shows the

location of the SCSI backplane board and other components associated with the SCSI

hard-disk drives.

F i g u r e 1 - 1 .

B a s i c S C S I H a r d - D i s k D r i v e S y s t e m C o m p o n e n t s

SCSI backplane board data cable

SCSI backplane

board interface cable

SCSI backplane board

SCSI hard-disk

drives (4)

SCSI ID 0

SCSI ID 1

SCSI ID 2

SCSI ID 3

Installing the Daughter Card

CAUTION: To prevent bodily injury, before you install the daughter card, you

must turn off the computer and disconnect it from its AC power source. For more

information, see "Safety First—For You and Your Computer" in your System

Information document.

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

from the electrical outlet.

NOTICE: To prevent damage to the daughter card and system during this procedure, see

"Protecting Against Electrostatic Discharge" in your System Information document.

Unpack the SCSI backplane daughter card kit.

SCSI interface

connector SCSIA

SC SI B ackpl ane Daughter Card

1-1