Asus F1A55 R2.0 - Manual (Page 43)

ASUS F1A55 R2.0 1-31
2. DRAM LED
The DRAM LED checks the DRAM in sequence during the motherboard boot process.
If an error is found, the LED next to the error device will light up until the problem is
solved. This user-friendly design provides an intuitive way to locate the root problem
quickly.
1.10 Onboard LEDs
1. Standby Power LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in any
motherboard component. The illustration below shows the location of the onboard LED.
SB_PWR
ON
Standby Power Powered Off
OFF
F1A55 R2.0
F1A55 R2.0 Onboard LED
F1A55 R2.0
F1A55 R2.0 DRAM LED
DRAM LED