Beep Symptoms - IBM 2292 Hardware Maintenance Manual

Beep symptoms

Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the following examples.
Use the following table to diagnose beep symptoms.
Beeps
1-2-X
4
Beep Symptom
1-1-3
CMOS read-write error
1-2-2-3
ROM BIOS check error
1-2-1
Programmable Interval Timer failed
1-2-2 DMA Initialization failed
1-2-3 DMA page register write/read failed
1-2-4 RAM refresh verification failed
1-3-3-1 1st 64K RAM test failed
1-3-2 1st 64K RAM parity test failed
2-2-3-1
Interrupt vector loading test failed
2-1-1 Secondary DMA register failed
2-1-2
Primary DMA register failed
2-1-3 Primary interrupt mask register failed
2-1-4 Secondary interrupt mask register
failed
2-2-1 Interrupt vector loading failed
1-3-1-3 Keyboard controller failed
2-2-3
CMOS power failure and checksum checks
failed
Description
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Any number of breaks
Four continuous beeps
FRU/Action
1. Run Setup
2. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. DIMM
2. System Board
1. DIMM
2. System Board
1. DIMM
2. Processor
3. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. System Board
2. Keyboard
1. Battery
2. System Board
Chapter 7. Symptom-to-FRU index
67