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ASUS P8H77-M PRO
2-19
Chapter 2
2.2.7 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
P8H77-M PRO
P8H77-M PRO Onboard LED
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 remain lit until the problem is
solved. This user-friendly design provides an easy way to identify problems related to
the DRAM.
P8H77-M PRO
P8H77-M PRO DRAM LED
DRAM LED