9-46
Installation and Maintenance
V
olume
Octel Overture 200/300 Serenade 3.0
PB60014–01
Octel
Overture 300 Disk-Drive Backplane Replacement
The
disk-drive backplanes provide communication and d.c. power buses from the motherboard to the
disk-drive assembly
. There are two disk-drive backplanes, one for shelf B and one for shelf C.
Figure 9-27
Octel Overture 300 Disk-Drive Backplanes
DiskĆDrive
Backplane,
Shelf B
DiskĆDrive
Backplane,
Shelf C
The following replacement procedures provide steps for removing and installing disk-drive backplanes.
Before proceeding, make sure to determine which backplane is faulty
.
Caution!
Disk-drive backplane are sensitive to static
electricity
.
Do not
attempt the following procedures
without wearing an antistatic wrist strap.
The disk drive backplane is sensitive to rough handling. Care should be taken to handle it as gently
as possible.
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