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75KAV/75KAV-X
2-7-5 HEADER J3&J4
• Header J3&J4 includes seven connectors for different functions:
A1 A2
- -
+
+
J3
1
J4
1
E
F
1.
J3
1 2 3 4
5 6 7 8 9 10 11 12 13 14 15
J4
HDD LED CONNECTOR
PIN 1
PIN 2
PIN 3
PIN 4
DESCRIPTION
B
C
D
15
15
-
+
H
I
G
Logic High (+)
HDD LED SIGNAL
HDD LED SIGNAL
Logic High (+)
This connector provides power to the cabinet's IDE
activity LED. Read and write activities by devices
connected to the Primary or Secondary IDE
connector will light up the LED.
34
A1 : 1st HDD LED
A2 : 2nd HDD LED
B : INFRARED (IR)
C : POWER SWITCH
D : None
E : SPEAKER
F : RESET SWITCH
G : POWER LED
H : NONE
I
: SUSPEND LED
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