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Chapter 4: Motherboard Connections
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. Attach a cable to pin 14 to
show hard drive activity status. Refer to the table below for pin definitions.
HDD LED
Pin Definitions (JF1)
Pins
Definition
13
3.3V Stby
14
HDD LED
Power LED
The Power LED connection is located on pins 15 and 16 of JF1. Refer to the table below for
pin definitions.
Power LED
Pin Definitions (JF1)
Pins
Definition
15
3.3V
16
PWR LED
Power Fail LED
Connect an LED cable to Power Fail connections on pins 5 and 6 of JF1 to provide warnings
for a power failure. Refer to the table below for pin definitions.
PWR Fail LED
Indicator Status
Pin # Definition
5
3.3V
6
PWR Fail LED