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1 System-board handle

2 Fan-assembly bracket

18. Lift up the system board and carefully remove it from the node, being careful not to damage any

surrounding components.

19. If you are instructed to return the system board, follow all packaging instructions, and use any

packaging materials for shipping that are supplied to you.

Removing the SAN Volume Controller 2145-8A4 system board

You must remove the system board if you are instructed to replace the SAN Volume Controller 2145-8A4

system board field-replaceable unit (FRU).

You must remove and replace the microprocessor when you replace the system board. Also, 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 Identify and label all the cables that are attached to the SAN Volume Controller 2145-8A4 node so they

can be replaced in the same port.

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

xix.

Notes:

Figure 264. Removing and replacing the SAN Volume Controller 2145-CF8 system board

242 IBM SAN Volume Controller Hardware Maintenance Guide

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