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ATX Power Supply Connector & Power Switch (POWER SW)
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 (power button).
When powering up your system, first turn on the mechanical switch of the power supply (if
one is provided), then push once the power button. When powering off the system, you
needn't turn off the mechanical switch, just Push once
Note: * If you change "soft-off by PWR-BTTN" from default "Instant-off" to "Delay
4 Secs" in the "POWER MANAGEMENT SETUP" section of the BIOS, the power
button should be pressed for more than 4 seconds before the system powers
down.
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.
Speaker Connector (SPEAKER)
The connector can be connected to the speaker on the case.
ACPI LED Connector (ACPI_LED)(Reserved)
The ACPI LED is double-color lights with three pins. Pin1&Pin2 drive different color lights. If
Pin1 drives the yellow light , Pin2 drives the green light, the following status will come out.
When the system is in power up status, the LED is green on. When the system is in suspend
status, the LED is green blink. When the system is in suspend to RAM status, the LED is
orange on. When the system is in soft-off status, the LED is off.
GREEN LED Connector (GREEN_LED)
The GREEN LED has five status. When the system is in three status (including power up,
suspend, soft-off), the LED is off. When the system is in suspend to RAM status, the LED
is on. When the system is in APM(advanced power management), the LED is on.
Hardware Green Connector (SLEEP)
Push once the switch connected to this header, the system enters suspend mode.
chapter 2
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the power button.
ATX Power Supply Connector
3.3V 3.3V GND 5V GND 5V GND PS-OK 5VSB 12V
1
3.3V -12V GND PSON GND GND GND -5V 5V 5V
POWER
SW
20
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