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 xx.
Perform the following steps to replace the VRM:
1. Align the VRM in the connector.
2. Press both sides of the VRM downward until the latches click into place.
3. If you are replacing the microprocessor, perform the steps required to do so. If not, replace the SAN
Volume Controller 2145-8F2 or SAN Volume Controller 2145-8F4 top cover.
4. Place the node in the rack. See “Replacing the SAN Volume Controller in a rack” on page 55.
5. Reconnect the Fibre Channel and Ethernet cables. Ensure that you replace the Fibre Channel and
Ethernet cables in the same ports from which they were removed.
6. Turn on the node.
Removing the SAN Volume Controller system board
You must remove the system board if you are instructed to replace the SAN Volume Controller system
board field-replaceable unit (FRU).
Removing the SAN Volume Controller 2145-CG8 or 2145-CF8 system board
You must remove the system board if you are instructed to replace the SAN Volume Controller 2145-CG8
or 2145-CF8 system board FRU.
DANGER
Multiple power cords. The product might be equipped with multiple power cords. To remove all
hazardous voltages, disconnect all power cords. (L003)
svc00322
1
2
or
1
2
svc00735
or
1
3
4
2
svc00734
You must remove and replace the microprocessor when you replace the system board. Ensure that you
have alcohol wipes and thermal grease available to correctly perform this task.
Before you proceed with the system board removal, ensure that you do the following:
v Have a static-protected surface available to hold the components that you remove from the old system
board.
v Follow all standard safety and handling instructions. The components that you will be handling are
electrostatic-discharge sensitive. 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 xx.
This service action requires you to remove the cover and:
v Turn the node off.
272 IBM SAN Volume Controller Hardware Maintenance Guide
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