Asus RS161-E5 Service Guide - Page 52

Onboard LED, Standby Power LED, CPU warning LED CPU_WARN1, Memory warning LED MEM_WARN1

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4.2 Onboard LED 1. Standby Power LED The motherboard comes with a standby power LED. The green LED 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 ® KFSN4-DRE SB_PWR1 KFSN4-DRE Standby power LED ON Standby Power OFF Powered Off 2. CPU warning LED (CPU_WARN1) The CPU warning LED lights up to indicate that a processor is not installed or the processor is not installed properly in CPU 1 socket. 3. Memory warning LED (MEM_WARN1) The memory warning LED lights up to indicate that there is no power in the memory DIMMs. ® KFSN4-DRE KFSN4-DRE Onboard LED MEM_WARN1 (green) ON Abnormal OFF Normal CPU_WARN1 (green) ON Abnormal OFF Normal 4- Chapter 4: Motherboard information

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Chapter 4: Motherboard information
4-4
4.2
Onboard LED
1.
Standby Power LED
The motherboard comes with a standby power LED. The green LED 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
KFSN4-DRE
KFSN4-DRE Onboard LED
ON
OFF
MEM_W
ARN1
Abnormal
Normal
(green)
ON
OFF
CPU_W
ARN1
Abnormal
Normal
(green)
2.
CPU warning LED (CPU_WARN1)
The CPU warning LED lights up to indicate that a processor is not installed or
the processor is not installed properly in CPU 1 socket.
3.
Memory warning LED (MEM_WARN1)
The memory warning LED lights up to indicate that there is no power in the
memory DIMMs.
KFSN4-DRE
KFSN4-DRE Standby power LED
SB_PWR1
ON
Standby
Power
OFF
Powered
Off