IBM 8649 - Eserver xSeries 225 Maintenance And Troubleshooting Manual page 112

Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Beep/symptom
1-2-1
(Programmable Interval Timer failed.)
1-2-2
(DMA page register test 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
check failed.)
2-4-1
(Video failed; screen believed
operable.)
3-1-1
(Timer tick interrupt failed.)
3-1-2
(Interval timer channel 2 failed.)
3-1-3
(RAM test failed above address
OFFFFH.)
3-1-4
(Time-Of-Day clock failed.)
3-2-1
(Serial port failed.)
3-2-2
(Parallel port failed.)
3-2-3
(Math coprocessor test failed.)
102
IBM xSeries 225 Types 8649: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
System board
System board
System board
1. DIMM
2. Memory adapter
System board
System board
System board
System board
1. Keyboard
2. System board
1. Battery
2. System board
System board
System board
System board
1. DIMM.
2. System board
1. Battery
2. System board
System board
System board
1. Optional microprocessor
2. Microprocessor
3. System board