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Figure 199. Disengaging the disk-controller front-retention bracket and removing the riser assembly and disk controller
1 Disk-controller front-retention bracket
2 Disk-controller and USB riser-card assembly
3 Disk controller
4 Alignment post
5 Plastic tab
11. Pull up on the disk controller ( 3 in Figure 199) until the disk-controller and USB riser-card
assembly ( 2 ) disengages from the connector on the system board.
12. Place the disk-controller and USB riser-card assembly on a flat, static-protective surface.
13. If you are instructed to return the disk-controller and USB riser-card assembly, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to you.
Replacing the disk-controller and USB riser-card assembly
You can replace the disk-controller and USB riser-card assembly.
Take precautions to avoid damage from static electricity. Wear an anti-static wrist strap and use a
static-protected mat or surface. For more information, see "Handling static-sensitive devices" on page xix.
Replacing the SAN Volume Controller 2145-CF8 disk-controller and USB riser-card
assembly
You can replace the SAN Volume Controller 2145-CF8 disk-controller and USB riser-card assembly.
To replace the disk-controller and USB riser-card assembly, complete the following steps:
1. Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350 in the
IBM System Storage SAN Volume Controller 2145 Troubleshooting Guide for more information.
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Chapter 2. Removing and replacing parts
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