IBM 867431X Hardware Maintenance Manual - Page 129

No Beep symptoms, Information panel system error LED, One Long and One Short Beep

Page 129 highlights

Beep/Symptom FRU/Action 3-3-3 (No operational memory in system) 1. Install or reseat the memory modules, then do a 3 boot reset. (See "Using the Configuration/Setup Utility program" on page 27) 2. DIMMs 3. System Board Two Short Beeps (Information only, 1. Run Diagnostics the configuration has changed) 2. Run Configuration/Setup Three Short Beeps 1. DIMM 2. System Board One Continuous Beep 1. Processor 2. Optional Processor (if installed) 3. System Board Repeating Short Beeps 1. Keyboard 2. System Board One Long and One Short Beep 1. Video adapter (if present) 2. System Board One Long and Two Short Beeps 1. Video adapter (if present) 2. System Board Two Long and Two Short Beeps 1. Video adapter No Beep symptoms No Beep Symptom FRU/Action No beep after completing POST 1. System Board and the system operates correctly. No beep and no video (System 1. See "Undetermined problems" on page 134 Attention LED is OFF) No beep and no video (System 1. See "Information panel system error LED" Attention LED is ON) Information panel system error LED The system error LED is turned on when an error is detected. Push the button beside the LED display on the system board to illuminate the LEDs. If the system error LED is on, remove the cover and check the diagnostic panel LEDs. The following is a complete list of diagnostic panel LEDs followed by the FRU/Action for correcting the problem. The following chart is valid only when the system error LED is on. Note: If a diagnostic panel LED is on and the information LED panel system error LED is off, there is probably an LED problem. Run LED diagnostics. Notes: 1. To locate the LEDs on the system board see "System board LEDs" on page 45. 2. Check the System Error Log for additional information before replacing a FRU. Symptom-to-FRU index 121

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Beep/Symptom
FRU/Action
3-3-3
(No operational memory in
system)
1.
Install or reseat the memory modules, then do a 3 boot reset.
(See
Using the Configuration/Setup Utility program
on page 27)
2.
DIMMs
3.
System Board
Two Short Beeps
(Information only,
the configuration has changed)
1.
Run Diagnostics
2.
Run Configuration/Setup
Three Short Beeps
1.
DIMM
2.
System Board
One Continuous Beep
1.
Processor
2.
Optional Processor (if installed)
3.
System Board
Repeating Short Beeps
1.
Keyboard
2.
System Board
One Long and One Short Beep
1.
Video adapter (if present)
2.
System Board
One Long and Two Short Beeps
1.
Video adapter (if present)
2.
System Board
Two Long and Two Short Beeps
1.
Video adapter
No Beep symptoms
No Beep Symptom
FRU/Action
No beep after completing POST
and the system operates
correctly.
1.
System Board
No beep and no video
(System
Attention LED is OFF)
1.
See
Undetermined problems
on page 134
No beep and no video
(System
Attention LED is ON)
1.
See
Information panel system error LED
Information panel system error LED
The system error LED is turned on when an error is detected. Push the button
beside the LED display on the system board to illuminate the LEDs. If the system
error LED is on, remove the cover and check the diagnostic panel LEDs. The
following is a complete list of diagnostic panel LEDs followed by the FRU/Action
for correcting the problem. The following chart is valid only when the system error
LED is on.
Note:
If a diagnostic panel LED is on and the information LED panel system error
LED is off, there is probably an LED problem. Run LED diagnostics.
Notes:
1.
To locate the LEDs on the system board see
System board LEDs
on page 45.
2.
Check the System Error Log for additional information before replacing a FRU.
Symptom-to-FRU index
121