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Chapter 3: Motherboard Connections
NMI Button
Pin Definitions (JF1)
Pins# Definition
19
Control
20
Ground
NMI Button
The non-maskable interrupt button header is located on pins 19 and 20 of JF1. Refer to the
table below for pin definitions.
Power LED
Pin Definitions (JF1)
Pin#
Definition
15
+3.3V
16
Pwr LED
Power LED
The Power LED connection is located on pins 15 and 16 of JF1. Refer to the table below
for pin definitions.
HDD LED
Pin Definitions (JF1)
Pin#
Definition
13
3.3V Stby
14
HDD LED
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. Attach a cable here to indicate
the status of HDD-related activities, including SATA. Refer to the table below for pin definitions.
