Dell HX574 Server User Manual


 
122 Installing System Components
SAS Backplane (Service-Only Procedure)
Removing the SAS Backplane
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. See your Product
Information Guide for complete information about safety precautions, working
inside the computer, and protecting against electrostatic discharge.
1
If applicable, remove the bezel. See "Removing and Replacing the
Optional Front Bezel" on page 64.
2
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
3
Open the system. See "Opening the System" on page 65.
4
Remove the PEM. See "Removing the PEM or PEM Shell" on page 73.
5
Remove the cooling shroud assembly. See "Removing the Cooling Shroud
Assembly" on page 69.
NOTICE: To prevent damage to the drives and backplane, you must remove the
SAS drives and optical drive carrier from the system before removing the
backplane.
NOTICE: You must note the number of each hard drive and temporarily label them
before removal so that you can replace them in the same locations.
6
Remove all SAS hard drives. See "Removing a Hot-Plug Hard Drive" on
page 108.
7
To remove the optical drive carrier, pull the release latch forward, then
slide the carrier out of the chassis. See Figure 3-24.
NOTICE: When disconnecting the control-panel cable, hold the white pull-tab next
to the control-panel cable connector to prevent damage to the SAS backplane or
the cable itself.
8
If you are removing a 3.5-inch drive backplane,
disconnect the control-panel
cable from the control-panel cable connector on the front of the
backplane. See Figure 3-30.
9
Disconnect the SAS data and power cables from the back of the SAS
backplane.