Intel SBXL52 Hardware Maintenance Manual - Page 85

Serial port failed, Time-Of-Day clock failed

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✏ NOTE See "System" on page 104 to determine which components should be replaced by a field service technician. Beep/symptom FRU/action 2-2-3 (CMOS power failure and checksum checks failed) 1. Battery 2. System board 2-2-4 (CMOS configuration information validation failed) 1. Battery 2. System board 2-3-1 (Screen initialization failed) • System board 2-3-2 (Screen memory failed) • System board 2-3-3 (Screen retrace failed) • System board 2-3-4 (Search for video ROM failed) • System board 2-4-1 (Video failed; screen believed operable) • System board 3-1-1 (Timer tick interrupt failed) • System board 3-1-2 (Interval timer channel 2 failed) • System 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) • System board 3-2-2 (Parallel port failed) • System board 3-2-3 (Math coprocessor test failed) 1. Microprocessor 2. System board 3-2-4 (Failure comparing CMOS memory size against actual) 1. DIMM 2. System board 3. Battery 3-3-1 (Memory size mismatch occurred.) 1. Verify that both DIMMs in bank are of the same size, speed, type and technology. 2. DIMM 3. System board 4. Battery Symptom-to-FRU index 71

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Symptom-to-FRU index
71
2-2-3
(CMOS power failure and
checksum checks failed)
1.
Battery
2.
System board
2-2-4
(CMOS configuration information
validation failed)
1.
Battery
2.
System board
2-3-1
(Screen initialization failed)
•
System board
2-3-2
(Screen memory failed)
•
System board
2-3-3
(Screen retrace failed)
•
System board
2-3-4
(Search for video ROM failed)
•
System board
2-4-1
(Video failed; screen believed
operable)
•
System board
3-1-1
(Timer tick interrupt failed)
•
System board
3-1-2
(Interval timer channel 2 failed)
•
System 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)
•
System board
3-2-2
(Parallel port failed)
•
System board
3-2-3
(Math coprocessor test failed)
1.
Microprocessor
2.
System board
3-2-4
(Failure comparing CMOS memory
size against actual)
1.
DIMM
2.
System board
3.
Battery
3-3-1
(Memory size mismatch occurred.)
1.
Verify that both DIMMs in bank are of the same size, speed, type and
technology.
2.
DIMM
3.
System board
4.
Battery
NOTE
See “System” on page 104 to determine which components should be replaced by a field service
technician.
Beep/symptom
FRU/action