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Chapter 4: Motherboard Connections
HDD Activity LED
The HDD activity LED connection is Pin 7. When this LED is blinking green, it indicates HDD
activity.
Standby Power LED
The LED indicator for standby power is Pin 8. If this LED is on, standby power is on.
RoT (Root of Trust) Power LED
The Power LED for RoT (Root of Trust) connection is l Pin 9. If this LED is on, power for the
RoT chip is on.
Standby Power
A Standby Power (I2C) connections are Pins 10 through Pin 14 to provide power to the
system when it is in standby mode.
Power Fail LED Indicators
Power Failure LED Indicators are Pin 15 and Pin 19.
FP USB Power
Front Panel USB power connections are Pins 16 through Pin 18 to provide power to front
USB devices.
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