Note: See “System replaceable units” on page 117to determine which components should be replaced by a field
service technician.
Beep/symptom FRU/action
1-2-1
(Programmable Interval Timerfailed.)
vSystem board
1-2-2
(DMApage register test failed.)
vSystem board
1-2-3
(DMApage register write/read
failed.)
vSystem board
1-3-1
(First 64K RAM test failed.) 1. DIMM
2. Memory adapter
2-1-1
(Secondary DMAregister failed.)
vSystem board
2-1-2
(Primary DMAregister failed.)
vSystem board
2-1-3
(Primary interrupt mask register
failed.)
vSystem board
2-1-4
(Secondary interrupt mask register
failed)
vSystem board
2-2-2
(Keyboard controller failed.) 1. Keyboard
2. System board
2-2-3
(CMOS power failure and checksum
check failed.)
1. Battery
2. System board
2-4-1
(Video failed; system believed
operable.)
vSystem board
3-1-1
(Timer tick interrupt failed.)
vSystem board
3-1-2
(Interval timer channel 2 failed.)
vSystem board
3-1-3
(RAM test failed above address
OFFFFH.)
1. DIMM
2. System board
3-1-4
(Time-Of-Day clock failed.) 1. Battery
2. System board
3-2-1
(Serial port failed.)
vSystem board
3-2-2
(Parallel port failed.)
vSystem board
3-2-3
(Math coprocessor test failed.) 1. Optional microprocessor
2. Microprocessor
3. System board
84 IntelliStation Z Pro Types6223 and 6227: HardwareMaintenance Manual and Troubleshooting Guide