IBM Aptiva 2159 Manual

Also see for Aptiva 2159: Hardware maintenance service

005 (continued)– If the problem goes away, the last SIMM replaced is defective. If allSIMMs, and the DIMM on the Type A system board, have been replacedand the problem remains, replace the system board.006(From step 003)– Follow the screen instructions to run the Memory tests.DID THE MEMORY TESTS COMPLETE WITHOUT AN ERROR?Yes No007– Replace each SIMM, one at a time, with a known-good SIMM of thesame size and type. For the Type A system board, replace theDIMM with a known-good DIMM of the same size and type.– If the problem goes away, the last SIMM replaced is defective. If allSIMMs, and the DIMM on the Type A system board, have beenreplaced and the problem remains, replace the system board.008– The system memory is now functioning correctly. If you suspect anintermittent problem, run the Memory test multiple times.Check Procedures 2-39