Asus INTEL CUW(E)-FX User Manual download pdf (Page 9)

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3.3V *

3.3V *

COM

5V

COM

5V

COM

PW-OK

5VSB

12V

3.3V *

-12V

COM

PS-ON

COM

COM

COM

-5V

5V

5V

* optional

South Bridge

(ICH, PIIX4)

ASUS ASIC

(97127,99127)

ATX

Power Supply

Wake Up Events

WOL,WOR, Wake by KB,

AC Power Loss Restart

Power

Button

+3V ±5V ±12V

PS-ON#

PS-ON is an active low signal that

turns on all of the main power rails

including 3.3V, 5V, -5V, 12V, and -12V

power rails.

When this signal is held high by the

PC board or left open circuited,

outputs of the power rails should not

deliver current and should be held

at a zero potential with respect to ground.

Power should only be delivered to the

rails if the PS-ON signal is held at ground

potential. This signal should be held at

+5VDC by a pull-up resistor internal

to the power supply.

ATX Power Supply

ATX Power Supply

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