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J3
1 2 3 4 5 6 7 8 9 10 11
J4
ATX POWER SWITCH
PIN 12
PIN 13
DESCRIPTION
J3
J4
1 2 3 4
5 6 7 8 9 10 11 12 13 14 15
SPEAKER CONNECTOR
PIN 1
PIN 2
PIN 3
PIN 4
DESCRIPTION
12 13
14 15
ATX POWER SWITCH
GND
The system power is controlled by a momentary
switch connected to this lead.
Pressing the button once will switch the system
between ON and SOFT OFF.
Pushing the switch while in the ON mode for more
4 seconds will turn the system off.
The system power LED shows the status of the
system's power.
SPEAKER SIGNAL
NONE
GND
Vcc
This SPEAKER connector connects to the case-
mounted speaker. Two sources (LINE OUT and
SPEAKER) allow you to hear system beeps and
warnings. Only SPEAKER allows you to hear system
beeps before the integrated audio has been properly
initialized.
75KAV/75KAV-X
29
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