ASUS 90MB0F30M0AAY0 사용자 설명서

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Chapter 1: Product introduction

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

Standby Power Powered Off