Step 1540-7; Step 1540-8 - IBM S85 pSeries 680 Service Manual

Step 1540-7

1. Turn off the power.
2. Disconnect the ac power cable from the system rack.
3. Replace memory cards in quad A at M01, M02, M03, and M24 with memory cards
previously removed, if any, or replace with new memory cards.
4. Connect the ac power cable to the system rack and turn on the power.
Is the Please Define the System Console screen displayed?
No
Yes

Step 1540-8

The system stopped with the Please define system console prompt appearing on the
system console.
Standalone diagnostics can be booted.
1. Follow the instructions on the screen to select the system console.
2. When the DIAGNOSTIC OPERATING INSTRUCTIONS screen is displayed, press
Enter.
3. If the terminal type has not been defined, you must use the Initial Terminal option of
the FUNCTION SELECTION menu to initialize the AIX operating system
environment before you can continue with the diagnostics. This is a separate and
different operation from selecting the console display.
4. Select Advanced Diagnostic Routines.
5. When the DIAGNOSTIC MODE SELECTION menu displays, select System
Verification.
6. Record any devices missing from the list of all adapters and devices. Continue with
this MAP. When you have fixed the problem, use this record to verify that all
devices appear when you run System Verification.
Are there any devices missing from the list of all adapters and devices?
No
Yes
Go to "Step 1540-9" on page 122.
The memory cards you just replaced are failing, replace the memory cards. Go
to "Step 1540-5" on page 120.
Reinstall all remaining adapters, if any, and reconnect all devices. Return the
system to its original configuation. Go to "Map 0410: Repair Checkout" in the
Diagnostic Information for Multiple Bus Systems.
The boot attempts that follow will attempt to isolate any remaining I/O drawer
problems with missing devices. Unless stated otherwise ignore any codes that
may appear on the operator panel. A successful boot is one where the system
displays Please Define the System Console prompt and displays all
configured and connected devices in the System Verification Menu.
Go to "Step 1540-9" on page 122.
Chapter 3. Maintenance Analysis Procedures
121