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Chapter 2: Installation
1. Power LED
2. HDD LED/UID Switch
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)
Pin#
Definition
15
+3.3V Stby
16
Power LED
HDD LED/UID Switch
The HDD LED/UID Switch connection is located on pins 13 and 14 of JF1. Attach a cable
to pin 14 to show hard drive activity status. Attach a cable to pin 13 to use the UID switch
(X12SCA-F only).
HDD LED
Pin Definitions (JF1)
Pin#
Definition
13
3.3V Stdby/UID SW
14
HD Active
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
Power Fail LED
HDD LED
Power LED
#3~4
#1~2
Vcc
Vcc (X12SAE)
UID SW (X12SCA-F)
Vcc
Vcc
Ground
Ground
19
20
Vcc
X
Ground
NMI
X
Vcc
NIC2 LED
1
2
