Step 1540-23
If the boot is successful:
1. Turn off the power.
2. The item just replaced has fixed the problem.
3. If a display adapter with keyboard and mouse were used, reinstall the display
adapter card, keyboard and mouse.
4. Reconnect the diskette drive cable to the service processor card.
5. Plug in all adapters that were previously removed but not reinstalled.
6. Reconnect the I/O drawer ac power cables that were previously disconnected.
Reconfigure the system to its original condition. Go to “Map 0410: Repair Checkout” in
the Diagnostic Information for Multiple Bus Systems.
Step 1540-24
If theboot is successful, the problem is with a remaining secondary I/O drawer. Turn off
the power.
Is the primary I/O drawer the only drawer connected at this time?
No Go to “Step 1540-25”.
Yes Reconnect the second I/O drawer in the configuration that you recorded earlier
in this MAP.
Note: The I/O drawers should be cabled as shown in “Cabling the System
Rack and I/O Rack” on page 31 under “System Rack Attached to two
I/O drawers”. Be sure examine both RIO cables and SPCN cables.
Step 1540-25
The last I/O drawer reconnected was a secondary I/O drawer. If the power is on, Turn
off the power. Reconnect the next I/O drawer in the configuration you recorded earlier in
this MAP.
Note: The I/O drawers should be cabled as shown in “Cabling the System Rack and
I/O Rack” on page 31. Be sure examine both RIO cables and SPCN cables.
Go to “Step 1540-26”.
Step 1540-26
Turn on the power.
Is the boot successful?
No Go to “Step 1540-27” on page 129.
Yes Go to “Step 1540-26a” on page 129.
128 Service Guide
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