9
Chapter 2
Chapter 2
Chapter 2
Chapter 2
Chapter 2
K7S746FX
K7S746FX
K7S746FX
K7S746FX
K7S746FX
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. 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.
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.
If you change “Power Button Override” from default “Instant-
off” to “Delay 4 Sec” in the “POWER MANAGEMENT SETUP”
section of the BIOS, the power switch should be pressed for
more than 4 seconds before the system powers down.
Note:
POWER SW
ATX Power Supply Connector
2 0
1
5V
5V
-5V
GND
GND
PS-ON
-12V
3.3V
GND
12V
5VSB
5V
GND
3.3V
GND
5V
GND
PS-OK
3.3V
GND