Beep Symptoms - IBM IntelliStation A Pro 6224 Hardware Maintenance Manual And Troubleshooting Manual

Beep symptoms

Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the examples in the following table.
Beeps
1-2-3
4
One beep after successfully completing POST indicates that the computer is
functioning correctly.
Note: See Chapter 7, "Parts listing, Type 6224," on page 107 to determine which components are replaceable by the
customer (CRU), and which components must be replaced by a field service technician (FRU).
Beep/symptom
1-1-3
(CMOS write/read test failed)
1-1-4
(BIOS EEPROM checksum failed)
1-2-1
(Programmable Interval Timer failed)
1-2-2
(DMA initialization failed)
1-2-3
(DMA page register write/read failed)
1-3-1
(first 64K RAM 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)
2-2-2
(Keyboard controller failed)
2-2-3
(CMOS power failure and checksum
checks failed)
2-4-1
(Video failed; system believed
operable)
84
IntelliStation A Pro Type 6224: Hardware Maintenance Manual and Troubleshooting Guide
Description
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Three beeps
Four continuous beeps
FRU/action
1. Battery
2. System board
1. Recover BIOS code.
2. System board.
v System board
v System board
v System board
1. DIMM
2. System board
v System board
v System board
v System board
v System board
1. Keyboard
2. System board
1. Battery
2. System board
1. Video adapter
2. System board