Step 1540-35
1. If it is not already off, turn off the power.
2. Remove all adapters from slots 11, 12, 13, and 14 that are not attached to the boot
device.
3. Label and record the location of any cables attached to the adapters.
4. Record the slot number of the adapters.
5. Turn on the power.
6. When the TTY screen displays Enter 0 to select this console, press the 0 key
on the TTY terminal’s keyboard.
Was the boot successful?
No Go to “Step 1540-38” on page 132.
Yes Go to “Step 1540-36”.
Step 1540-36
If the boot was successful, the problem is with one of the adapter cards or devices that
was removed or disconnected from the I/O drawer.
1. Turn off the power.
2. Replace one adapter or device that was removed. Use the original adapter cards in
their original slots when reinstalling adapters.
3. Turn on the power.
Was the boot successful?
No Go to “Step 1540-37”.
Yes Reinstall the next adapter or device and return to number 1 in this step.
Continue repeating this process until an adapter or device causes the boot to
be unsuccessful.
Step 1540-37
Replace the adapter or device that you just installed with a new adapter or device, and
retry.
Was the boot successful?
No The I/O planar is defective, replace the I/O planar and continue below.
Yes The adapter or device was defective, continue below.
Reinstall all remaining adapters and reconnect all devices. Return the system to its
original configuration. Go to ″Map 0410: Repair Checkout″ in the Diagnostic Information
for Multiple Bus Systems.
Chapter 3. Maintenance Analysis Procedures 131
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