- The heartbeat LED functions only when you install the ASUS ASMB7 Management card.

-Everytime after the AC power is replugged, you have to wait for about 60 seconds for the system to power up.

3.CPU Warning LED (ERR_CPU1)

The CPU warning LED lights up to indicate that a CPU error or failure has occurred.

The warning LED functions only when you install the ASUS ASMB7 Management card.

4.Power LED (+5V_LED1)

This LED lights up when the Power-on button is pressed and the system is on.

ASUS TS300-E8-PS4

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