Power LED error code behavior
Table 1. Power LED error code behaviorPower LED error code
LED# of flashes
|
Fault description
|
Fault
|
Action
|
Comment
|
2,1
|
CPU
|
CPU Failure
|
Type A
|
|
2,2
|
Motherboard: BIOS ROM failure
|
Motherboard, covers BIOS corruption or ROM error
|
NA
|
Not applicable to X7 BIOS. No Test Case support.
|
2,3
|
Memory
|
No Memory/RAM detected
|
NA
|
Not supported. Memory is solder down on Motherboard. It is difficult to validate this function.
|
2,4
|
Memory
|
Memory/RAM failure
|
Type A
|
Supported. Memory is solder down on Motherboard, the Service team could replace the motherboard/memory to repurpose the board for repair.
|
2,5
|
Memory
|
Invalid memory is installed
|
NA
|
Memory is solder down on motherboard.
|
2,6
|
Motherboard: Chipset
|
Motherboard / Chipset error
|
NA
|
This code is not supported. HW dependent.
|
2,7
|
LCD
|
LCD failure
|
NA
|
This code is not supported. There is no LCD.
|
3,1
|
RTC Power failure
|
CMOS battery failure
|
Type B
|
|
3,2
|
PCI / Video
|
PCI or Video card/ Chip failure
|
NA
|
Not applicable to X7 BIOS. No test case support.
|
3,3
|
BIOS Recovery 1
|
Recovery Image not found
|
Type A
|
|
3,4
|
BIOS Recovery 2
|
Recovery Image found but invalid
|
Type A
|
|
4,1
|
CPU Config or CPU Failure
|
|
NA
|
This code is not supported.
|
4,2
|
Generic POST Video Error—Old LED pattern 1110
|
|
NA
|
Not applicable to X7 BIOS. No test case support.
|
Example:
LED# of flashes: 2,1 indicates that LED blinks two times, pauses, and then blinks once.
Troubleshooting action
- Type A
- Log the fault event.
- Emit the LED error code pattern.
- Repeat the LED error code pattern in a dead-loop.
- Type B
- Log the fault event, if possible.
- Emit the LED error code pattern.
- Repeat the LED error code 3 more times.
- Leave the LED light up in amber color.
- Continue with POST.