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Memory Checkout
Customer diagnostics can eliminate defective memory so
no memory error message appears at power-on reset.
After you replace a defective base memory card or IC
DRAM card, run Automatic configuration. Otherwise,
the new memory will not be recognized. Power-off the
computer before you remove or replace any parts.
001
– Remove all IC DRAM cards from their slots (if installed).
– Power-off the computer, then power it on.
After the cursor moves to the upper right corner of the
screen, press Ctrl+Alt+Insert to start the system
program.
– Press Ctrl+A at the Main Menu.
DID THE ADVANCED DIAGNOSTIC MENU APPEAR?
Yes No
002
Replace the base memory card.
If the problem is not corrected, go to “Undetermined
Problem” on page 93.
003
– Run the memory tests.
Use the RUN TESTS ONE TIME option.
DID THE MEMORY TESTS END WITHOUT AN ERROR?
Yes No
004
Replace the base memory card.
005
– Install the IC DRAM card into slot 1 and run Automatic
configuration.
– Run the memory test.
Use the RUN TESTS ONE TIME option.
DID THE MEMORY TESTS END WITHOUT AN ERROR?
Yes No
006
Replace the IC DRAM card in slot 1.
If the problem is not corrected, replace the system
board.
007
– Install the IC DRAM card into slot 2 and run Automatic
configuration.
(Step 007 continues)
70 IBM Mobile Systems HMM