Dell PowerEdge 2550 Podręcznik - Strona 3

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Dell PowerEdge 2550 Podręcznik

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
1
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.
2
SCSI interface
connector SCSIA
SC SI B ackpl ane Daughter Card
1-1