Asus P4S-X P4S-X User Manual - Page 31

ATX Power Switch / Soft-Off Switch Lead 2-pin PWRBTN

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Page 31 highlights

• System Management Interrupt Lead (2-pin SMI) This 2-pin connector allows you to manually place the system into a suspend mode, or "green" mode, where system activity is instantly decreased to save power and to expand the life of certain system components. Attach the casemounted suspend switch to this 2-pin connector. • ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN) This connector connects a switch that controls the system power. Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings. Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF. • Reset Switch Lead (2-pin RESET) This 2-pin connector connects to the case-mounted reset switch for rebooting the system without turning off the system power. • Hard Disk Activity Lead (2-pin IDE_LED) This connector supplies power to the hard disk activity LED. The read or write activities of any device connected to the primary or secondary IDE connector cause this LED to light up. ASUS P4S-X motherboard user guide 1-21

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ASUS P4S-X motherboard user guide
1-21
•
System Management Interrupt Lead (2-pin SMI)
This 2-pin connector allows you to manually place the system into a suspend
mode, or “green” mode, where system activity is instantly decreased to save
power and to expand the life of certain system components.
Attach the case-
mounted suspend switch to this 2-pin connector.
•
ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN)
This connector connects a switch that controls the system power.
Pressing the
power switch turns the system between ON and SLEEP, or ON and SOFT
OFF, depending on the BIOS or OS settings.
Pressing the power switch while
in the ON mode for more than 4 seconds turns the system OFF.
•
Reset Switch Lead (2-pin RESET)
This 2-pin connector connects to the case-mounted reset switch for rebooting
the system without turning off the system power.
•
Hard Disk Activity Lead (2-pin IDE_LED)
This connector supplies power to the hard disk activity LED. The read or write
activities of any device connected to the primary or secondary IDE connector
cause this LED to light up.