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Chapter 2
ATX 12V Power Supply Connector & Power Switch (POWER SW)
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 supply (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.
A
Note:
Hard Disk LED Connector (HD_LED)
The connector connects to the case' s IDE indicator LED indicating the activity status of
IDE hard disk. The connector has an orientation. If one way doesn' t work, try the other
way.
Reset Switch (RESET)
The connector connects to the case' s reset switch. Press the switch once, the system
resets.
1
POWER SW
If you change " Soft-off by PWR-BTTN" from default " Instant-off"
to " Delay 4 Sec" in the " POWER MANAGEMENT SETUP" sec-
tion of the BIOS, the power switch should be pressed for morethan
4 seconds before the system powers down.
+12V Power Supply Connector
GND
GND
12V
12V
ATX Power Supply Connector
3.3V
3.3V
GND
5V
1
3.3V
-12V
GND
PS-ON
7
1
GND 5V GND PS-OK
5VSB
12V
20
GND
GND GND
-5V
5V
5V
P5I865PE
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