Memory - IBM PS/2 CL57 SX Hardware Maintenance Reference

10.0 Memory

Customer diagnostics can eliminate defective memory so no memory error
code appears at power-on reset.
module on the system board or IC DRAM card, run Automatic configuration.
Otherwise, the new memory will not be recognized.
before removing or replacing parts.
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¦001¦
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- Remove all IC DRAM cards from the slots if installed.
- Run the memory tests.
Use the RUN TESTS ONE TIME option.
DID THE MEMORY TESTS END WITHOUT AN ERROR?
Yes No
¦ ¦
¦ +---+
¦ ¦002¦
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¦ Replace the memory module on the system board.
¦
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¦003¦
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DID YOU REMOVE THE IC DRAM CARD FROM
SLOT 1?
Yes No
¦ ¦
¦ +---+
¦ ¦004¦
¦ +---+
¦ Go to Step 007.
¦
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¦005¦
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- Reinstall 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 that does not correct the problem, replace the system board.
¦
¦
+---+
¦007¦
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DID YOU REMOVE THE IC DRAM CARD FROM
SLOT 2?
Yes No
¦ ¦
¦ +---+
¦ ¦008¦
¦ +---+
¦ Go to Step 011.
¦
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¦009¦
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- Reinstall the IC DRAM card into slot 2 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
¦ ¦
¦ +---+
¦ ¦010¦
¦ +---+
¦ Replace the IC DRAM card in slot 2.
¦ If that does not correct the problem, replace the system board.
¦
¦
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¦011¦
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If the problem occurs intermittently, run the memory tests multiple times
to have an error log.
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IBM PS/2 Model CL57 SX HMS
Memory
After you replace a defective memory
Power-off the system
¦ Copyright IBM Corp. 1992
10.0 - 1