Step 1540-41
1. Turn off the power.
2. Disconnect the I/O drawer ac power cables (dc power cables in a dc-powered system).
3. Replace the remaining parts (listed below) in this drawer, one at a time.
a. RIO bus adapter, location: U0.x-P1.1
b. Secondary I/O drawer backplane, location: U0.x-P1
4. Reconnect the I/O drawer ac power cables (dc power cables in a dc-powered system).
5. Turn the power on.
6. Boot standalone diagnostics from CD.
7. If the Please define the System Console screen is displayed, follow directions to select the system
console.
8. Use the Display Configuration and Resource List to list all attached devices and adapters (refer to the
RS/6000 and Eserver pSeries Diagnostic Information for Multiple Bus Systems if necessary).
9. Check that all attached devices and adapters are listed.
Did
the Please define the System Console screen display and are all attached devices and adapters
listed?
NO Replace the next part in the list and return to the beginning of this step. Continue repeating this
process until a part causes the Please define the System Console screen to be displayed and all
attached devices and adapters to be listed
If you have replaced all the items listed above and the Please define the System Console screen
does not display or all attached devices and adapters are not listed, check any external devices
and cabling. If you do not find a problem, contact your next level of support for assistance.
YES The last item that was replaced in step 3 above was defective. Reconfigure the system to its
original condition. Go to ″MAP 0410: Repair Checkout″ in the RS/6000 and Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
134 Service Guide
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