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ASUS CUW User’s Manual 43
3. HARDWARE SETUP
Connectors
3. H/W SETUP
25) System Warning Speaker Connector (4-pin SPEAKER)
This 4-pin connector connects to the case-mounted speaker. You may leave this
disconnected if you connect the chassis speaker to the internal speaker connec-
tor. All three sources (LINE_OUT, INT_SPKA, SPEAKER) will allow you to
hear system beeps and warnings. Only LINE_OUT will allow you to hear sys-
tem beeps before the integrated audio has been properly initialized.
26) Keyboard Lock Switch Lead (2-pin KEYLOCK)
This 2-pin connector connects to the case-mounted key switch to allow key-
board locking.
27) System Power LED Lead (3-1 pin PLED)
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.
28) 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.
29) 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.
30) 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. Wake-up can be controlled by set-
tings in the BIOS but the keyboard will always allow wake-up (the SMI lead
cannot wake up the system).
31) Message LED Lead (2-pin 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 transfer
or waiting in the inbox. This function requires ACPI OS and driver support. To
enable ACPI support in Windows 98, reinstall Windows 98 using the command
line setup /p j.