Asus P3C-D User Manual download pdf (Page 46)

46 ASUS P3C-E User’s Manual

3. HARDWARE SETUP

19) System Power LED Lead (3-1 pin PWR.LED)

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

the system is powered on and blinks when it is in sleep or soft-off mode.

20) Keyboard Lock Switch Lead (2-pin KEYLOCK)

This 2-pin connector connects to the case-mounted key switch to allow keyboard

locking. NOTE: When the keyboard is locked, the mouse can still be used.

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

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

22) System Message LED Lead (2-pin MSG.LED)

This indicates whether a message has been received from a fax/modem. The

LED will remain lit when there is no signal and blink when there is data re-

ceived. This function requires an ACPI OS and driver support.

23) 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 will be instantly decreased to save electricity and

expand the life of certain components when the system is not in use. This 2-pin

connector (see the preceding figure) connects to the case-mounted suspend

switch. If you do not have a switch for the connector, you may use the “Turbo

Switch” since it does not have a function. 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 pushes depending on the position of the switch.

24) ATX Power Switch / Soft-Off Switch Lead (2-pin PWR.SW)

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

Pushing the button once will switch the system between ON and SLEEP or ON

and SOFT OFF, depending on your BIOS or OS setting. 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) 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.

P3C-E System Panel Connectors

Requires an ATX power supply.

PLED

Ground

TB_LED

PWR

+5 V

Keylock

+5V

Speaker

Connector

Power LED

Ground

+5 V

Reset SW

SMI Lead

Message LED

ExtSMI#

+3VSB

Reset

Ground

Keyboard Lock

ATX Power

Switch*

P3C-E

PARALLEL PORT

OPTIONAL

Connectors

3. H/W SETUP

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Asus P3C-D User Manual Page 46

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