Clock And Control Card; Preparing The System To Remove And Replace A Clock And Control Card - IBM 9080-M9S Manual

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Clock and control card

Preparing the 9080-M9S system to remove and replace the clock and control

To prepare the system to remove and replace a clock and control card, complete the steps in this

1. From the Operation list, select Set Identify LED. Then, click OK to confirm the operation.

This action causes the identify LED for the faulty part to turn on, and causes the blue system ID LED to

2. Open the rear rack door, if necessary.

3. Use the blue LED to identify the server.

Ensure that the serial number of the system matches the serial number to be serviced.

4. Check that an amber identify LED is flashing for one of the clock and control cards as shown in the

following figure.

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