Asus MES-N User Manual download pdf (Page 44)

44 K7M User’s Manual

3. HARDWARE SETUP

Connectors

3. H/W SETUP

21) System Warning Speaker Connector (4-pin SPEAKER)

This 4-pin connector connects to the case-mounted speaker. Two sources

(LINE_OUT and SPEAKER) will allow you to hear system beeps and warn-

ings. Only SPEAKER will allow you to hear system beeps before the integrated

audio has been properly initialized.

22) System Power LED Lead (3-1 pin PWRLED)

This 3-1 pin connector connects the system power LED, which lights when the

system is powered on and blinks when it is in sleep mode.

23) Reset Switch Lead (2-pin RESET)

This 2-pin connector connects to the case-mounted reset switch for rebooting

your computer without having to turn off your power switch. This is a preferred

method of rebooting to prolong the life of the system’s power supply.

24) ATX Power Switch Lead (2-pin PWRSW)

The system power is controlled by a momentary switch connected to this lead.

Pressing the button once will switch the system between ON and SOFT OFF.

Pushing the switch while in the ON mode for more than 4 seconds will turn the

system off. The system power LED shows the status of the system’s power.

25) System Management Interrupt Lead (2-pin SMI)

This allows the user to manually place the system into a suspend mode or “Green”

mode, where system activity is decreased to save electricity and expand the life

of certain components when the system is not in use. This 2-pin connector con-

nects to the case-mounted suspend switch. If you do not have a switch for the

connector, you may use the “Turbo Switch.” SMI is activated when it detects a

short to open moment and therefore leaving it shorted will not cause any prob-

lems. This may require one or two presses depending on the position of the

switch. Wake-up can be controlled by settings in the BIOS but the keyboard will

always allow wake-up (the SMI lead cannot wake up the system).

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Asus MES-N User Manual Page 44