C h a p t e r 2
C h a p t e r 2
C h a p t e r 2
C h a p t e r 2
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11
Intallation Instuctions
Intallation Instuctions
Intallation Instuctions
Intallation Instuctions
Intallation Instuctions
P4I865G/P/PEA User’S Manual
ATX12V Power Supply Connector & Power Switch (POWER SW)
P4I865G/P/PEA serial mainboard must use ATX 12V power supply. Be sure to
connect the power supply plug to this connector in its proper orientation. The
power switch (POWER SW) should be connected to a momentary switch. When
powering up your system, first turn on the mechanical switch of the power sup-
ply (if one is provided), then push once the power switch. When powering off the
system, you needn’t turn off the mechanical switch, just Push once
*
the power
switch.
If you change “Soft-off by PWR-BTTN” from default “Instant-off”
to “Delay 4 Sec” in the “POWER MANAGEMENT SETUP” section
of the BIOS, the power switch should be pressed for morethan
4 seconds before the system powers down.
Note:
PWR SW
+12V
Power Supply Connector(CN11)
12V
12V
GND
GND
1
ATX Power Supply Connector(CN25)
20
1
5V
5 V
-5V
PS-ON
-12V
3.3V
GND
12V
5VSB
PS-OK
GND
GND
GND
GND
5V
GND
5V
GND
3.3V
3.3V