IBM PS/2 90 XP 486 Hardware Maintenance Reference page 65

IBM PS/2 Model 90 XP 486 and 95 XP 486 HMR
Application
8.4 Application
If the system does not display a POST error, (or if diagnostics run
error-free) but you still suspect a problem, look at the error log. If
errors are detected, they are displayed. Press the help key and follow
the instructions on the screen to help you determine what might be causing
the failure.
¦ Copyright IBM Corp. 1990, 1992
8.4 - 1