No-Beep Symptoms - IBM 2254 Hardware Maintenance Manual

No-beep symptoms

92
Hardware Maintenance Manual
Important:
Type 2254, 2256, 2257, 6336, 6337, 6339, 6341, 6342, 6346, 6347, and 6348 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:
1. Select Start Options in the Configuration/Setup Utility program (see "Setup Utility
program" on page 10).
2. Set Power-On Self-Test to Enhanced.
Symptom/Error
No beep during POST but computer works
correctly.
No beep during POST.
FRU/Action
1. System Board
1. See "Undetermined problems" on page
109.
2. System Board
3. Memory Module
4. Any Adapter or Device
5. Riser Card
6. Power Cord
7. Power Supply