IBM 866631Y - Netfinity 7100 - 8666, Hardware Maintenance Manual, Page: 132 / 198

Beep/Symptom FRU/Action
Three Short Beeps
1. DIMM
2. Processor/PCI Board
3.
I/O Legacy Board
One Continuous
Beep
1. Processor
2. Optional Processor (if installed)
3. Processor/PCI Board
4. I/O Legacy Board
Repeating Short
Beeps
1. Keyboard
2. I/O Legacy Board
One Long and One
Short Beep
1. Video adapter (if present)
2. I/O Legacy Board
One Long and Two
Short Beeps
1. Video adapter (if present)
2. I/O Legacy Board
Two Long and
Two Short Beeps
1.
Video adapter
No beep symptoms
No Beep Symptom FRU/Action
No beep and the system
operates correctly.
1. Diagnostic LED Panel
No Beeps occur after
successfully completing
POST
(The Power-On
Status is disabled.)
1. Run Configuration/Setup, set the Start Options Power-On
Status to enable.
2.
Diagnostic LED Panel
3.
I/O Legacy Board
No ac power (Power
supply ac LED is off)
1. Check the power cord.
2. Power Supply (If two are installed, swap them to determine
if one is defective.)
3. Power Backplane
No beep and no video
1. See “Undetermined problems” on page 142
System will not
power-up
(Power supply
ac LED is on)
1. See“Power supply LED errors” on page 131
Diagnostic panel LEDs
The system error LED is turned on when an error is detected. 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.
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.
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Hardware Maintenance Manual: Netfinity 7100 – Type 8666