60
4
Error Messages and Blink Codes
4.1
Front-panel Power LED Blink Codes
Whenever a recoverable error occurs during POST, the BIOS causes the board’s front panel
power LED to blink an error message describing the problem (see Table 26).
Table 26. Front-panel Power LED Blink Codes
Type
Pattern
Note
BIOS update in progress
The BIOS will blink the front panel power LED during
flash update 0.5 sec On, then 1.5 sec Off. The pattern
repeats until the BIOS update is complete.
Memory error
On-off (1.0 second each) three times, then 2.5-second
pause (off), entire pattern repeats (blinks and pause)
until the system is powered off.
Thermal trip warning
Following the blink pattern: .25 seconds on, .25
seconds off, .25 seconds on, .25 seconds off in a total
of 16 blinks.
Note: Disabled per default BIOS setup option.