General checkout
This general checkout procedure is for type 6568/6569/6648/6649 computers.
Attention:
The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving or formatting. Data or programs can be overwritten if you select an incorrect drive.
Diagnostic error messages appear when a test program finds a problem with a hardware option. For the test programs to properly determine if a test Passed, Failed or Aborted, the test programs check the
General error messages appear if a problem or conflict is found by an application program, the operating system, or both. For an explanation of these messages, refer to the information supplied with that software package.
Notes:
1.
Type 6568/6569/6648/6649 computers default to come up quiet (no beep and no memory count and checkpoint code display) when no errors are detected by POST.
To enable beep and memory count and checkpoint code display when a successful POST occurs, do the following:
a.Select Start Options in the Configuration/Setup Utility program (see “Setup Utility program” on page 41).
b.Set Power-On Self-Test to Enhanced.
2.Before replacing any FRUs, ensure that the latest level of BIOS is installed on the system. A
3.If multiple error codes are displayed, diagnose the first error code displayed.
4.If the computer hangs with a POST error, go to
5.If the computer hangs and no error is displayed, go to “Undetermined problems” on page 90.
6.If an installed device is not recognized by the diagnostics program, that device might be defective.
26Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,
6649
