If your system is managed by the Hardware Management Console (HMC), use the HMC to complete the
steps for replacing a control-panel signal cable. For instructions, see Replacing a part by using the
Hardware Management Console. If you do not have an HMC, complete this procedure to replace a
control-panel signal cable.
If your system is managed by the IBM Systems Director Management Console (SDMC), use the SDMC to
remove and replace the control-panel signal cable. For information about using the SDMC to remove and
replace a control-panel signal cable, see Removing a part by using the Systems Director Management
Console and Replacing a part by using the Systems Director Management Console. If you do not have an
SDMC, complete this procedure to replace a control-panel signal cable.
Note: You might have a 2.5-inch or a 3.5-inch disk drive. The procedures are the same for both. Any
differences are noted.
To replace the control-panel signal cable, complete the following procedure:
1. Perform the prerequisite tasks described in “Before you begin” on page 25.
2. Remove the disk-drive backplane. See Removing the 8203-E4A, 8204-E8A, 8261-E4S, 8261-E4S,
9407-M15, 9408-M25, or 9409-M50 disk drive backplane
3. Remove the control panel with power off. See “Removing the 8203-E4A, 8204-E8A, 8261-E4S,
9407-M15, 9408-M25, or 9409-M50 control panel with the power off” on page 3.
4. Remove and replace a control-panel signal cable in either a 2.5-inch or 3.5-inch disk drive, as
applicable to your system.
If your system has a 2.5-inch disk drive, go to Removing and replacing a control-panel signal cable
in a 2.5-inch disk drive.
If your system has a 3.5-inch disk drive, go to Removing and replacing a control-panel signal cable
in a 3.5-inch disk drive.
Removing and replacing a control-panel signal cable in a 2.5-inch disk drive
a. Remove the control-panel signal cable from the system by doing one of the following methods:
Figure 5. 2.5-inch disk drive
Figure 6. 3.5-inch disk drive
8 Control panel, control panel fillers, and signal cables
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