Dell PowerEdge 4x00 Series Manuel de l'utilisateur - Page 6
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Dell PowerEdge
NOTICE: See "Protecting Against Electrostatic Discharge" in the Installation
and Troubleshooting Guide.
1.
Unpack the SCSI backplane board.
Refer to the documentation accompanying the host adapter card.
WARNING: Before you continue with this procedure, 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 the Installation and
Troubleshooting Guide.
2.
Turn off the system, including any attached peripherals, and disconnect the sys-
tem AC power cable from its power source.
3.
Remove the computer cover.
NOTICE: You must remove all hard-disk drives to avoid damaging the SCSI
backplane board when you remove it later in this procedure.
4.
Remove the hard-disk drives from the system.
5.
Slide the system board tray to its service position (see Figure 1-1).
6.
Disconnect the Ultra160/m SCSI cable from the SCSI backplane board.
To avoid damage to the cable, use the strain-relief loop to disconnect the cable.
7 .
Disconnect the flat data cable from the locking connector on the backplane
board.
8.
Disconnect the power cable labeled "HD-B/P" from the power connector on the
backplane board.
To release the connector, press the latch on the side of the connector.
9.
Disconnect the fan power cable from the power connector labeled "FAN" on the
backplane board.
To release the connector, press the latch on the side of the connector.
10. Loosen the captive thumbscrew on the backplane board.
11. Slide the SCSI backplane board away from the chassis inner wall approximately
1 cm (1/4 inch), and then lift the board off of the L -shaped mounting tabs and
away from the chassis (see Figure 1-1).
Systems SCSI Backplane Option