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IBM : 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 Description
1-2-X • One beep
• A pause (or break)
• Two beeps
• A pause (or break)
• Any number of breaks
4 Four continuous beeps
Beep Symptom FRU/Action
1-1-3
CMOS read-write error
1. Run Setup
2. System Board
1-2-2-3
ROM BIOS check error
1.
System Board
1-2-1
Programmable Interval Timer failed
1.
System Board
1-2-2
DMA Initialization failed
1.
System Board
1-2-3
DMA page register write/read failed
1.
System Board
1-2-4
RAM refresh verification failed
1.
DIMM
2. System Board
1-3-3-1
1st 64K RAM test failed
1. DIMM
2. System Board
1-3-2
1st 64K RAM parity test failed
1. DIMM
2. Processor
3. System Board
2-2-3-1
Interrupt vector loading test failed
1. System Board
2-1-1
Secondary DMA register failed
1. System Board
2-1-2
Primary DMA register failed
1. System Board
2-1-3
Primary interrupt mask register failed
1. System Board
2-1-4
Secondary interrupt mask register failed
1. System Board
2-2-1
Interrupt vector loading failed
1. System Board
1-3-1-3
Keyboard controller failed
1. System Board
2. Keyboard
2-2-3
CMOS power failure and checksum checks
failed
1.
Battery
2. System Board