Asus DSEB-D16 Series User Manual page 22

2. CPU Warning LED
The red CPU warning LED lights up as a reminder if CPU is not installed or
not properly installed in the CPU socket 2.
DSEB-D16 Series CPU warning LED
•
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3. Hearbeat LED (for DSEB-D16/SAS only)
The green heartbeat LED blinks per second to indicate that the LSI 1068
chipset is working normally.
DSEB-D16 Series Heart Beat LED
2-2
When installing only one CPU, the CPU has to be installed to CPU2 socket
for a better thermal environment.
If the CPU warning LED lights up, the motherboard will not boot.
CPU_WARN1
ON
CPU1 not present CPU1 present
(red)
LED1
ON
LSI SAS 1068
starts working
Chapter 2: Hardware information
OFF