IBM 8651RM0 Hardware Maintenance Manual - Page 164

Symptom-to-FRU Index, Beep Codes

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Page 164 highlights

Symptom-to-FRU Index This index supports Netfinity 7000 - Type 8651 servers. Note Always start with "General Checkout" on page 5. The Symptom-to-FRU lists symptoms, errors, and the possible causes. The most likely cause is listed first. Use this Symptom-to-FRU Index to help you decide which FRUs to have available when servicing the computer. The POST BIOS displaying POST error codes and messages on the screen. Note For IBM devices not supported by index, refer to the manual for that device. Beep Codes Beep Code 1 Beep (Refresh failure) 2 Beeps (Parity can't be reset) 3 Beeps (First 64 KB memory failure) 4 Beeps (Timer not operational) 5 Beeps (Processor failure) 6 Beeps (8042 gate a20 is off v_mode) 7 Beeps (Exception interrupt error) 8 Beeps (Display memory read/write error FRU/Action 1. Check memory in J2, J3, J4, J5 2. Memory DIMMs 3. Memory Board 1. Check memory 2. Memory DIMMs 3. Memory Board 1. Check memory 2. Memory DIMMs 3. Memory Board 4. Processor Board 5. System Board 1. Check processor board 2. Check System Board 3. System Board 1. Reseat processor module 2. Processor Board 3. System Board 1. Reseat processor module 2. System Board 3. Processor Board 1. Check cables 2. Processor Board 3. System Board 1. Check/Install Video RAM 2. System Board 156 Netfinity Server HMM

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Symptom-to-FRU Index
This index supports Netfinity 7000 - Type 8651 servers.
Note
Always start with “General Checkout” on page
5.
The Symptom-to-FRU lists symptoms, errors, and the
possible causes.
The most likely cause is listed first.
Use
this Symptom-to-FRU Index to help you decide which
FRUs to have available when servicing the computer.
The
POST BIOS displaying POST error codes and messages
on the screen.
Note
For IBM devices not supported by index, refer to the
manual for that device.
Beep Codes
Beep Code
FRU/Action
1 Beep
(Refresh failure)
1.
Check memory in J2,
J3, J4, J5
2.
Memory DIMMs
3.
Memory Board
2 Beeps
(Parity can't be reset)
1.
Check memory
2.
Memory DIMMs
3.
Memory Board
3 Beeps
(First 64 KB memory failure)
1.
Check memory
2.
Memory DIMMs
3.
Memory Board
4.
Processor Board
5.
System Board
4 Beeps
(Timer not operational)
1.
Check processor
board
2.
Check System Board
3.
System Board
5 Beeps
(Processor failure)
1.
Reseat processor
module
2.
Processor Board
3.
System Board
6 Beeps
(8042 gate a20 is off
v_mode)
1.
Reseat processor
module
2.
System Board
3.
Processor Board
7 Beeps
(Exception interrupt error)
1.
Check cables
2.
Processor Board
3.
System Board
8 Beeps
(Display memory read/write
error
1.
Check/Install Video
RAM
2.
System Board
156
Netfinity Server HMM