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This board has another serial port COM2, it come with cable providing serial port
COM2.
COM2
Pin 1
Note: Orient the read marking on the
COM2 ribbon cable to pin 1
(2) USB Port Headers (10-pin) : USB-B
These headers are used for connecting the additional USB port plug. By attaching an
option USB cable, your can be provided with two additional USB plugs affixed to the
back panel.
USB-B
Pin 1
(3) IDE Activity LED: IDELED
This connector connects to the hard disk activity indicator light on the case.
(4) Turbo LED switch: TBLED
Since the motherboard’s turbo function is always on. The turbo LED will remain
constantly on while the system power is on. You may wish to connect the Power
LED from the system case to this lead. See the figure below.
(5) Reset switch lead: 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 in order to prolong the lift of the system’s power supply. See the figure
below.
(6)
Keyboard lock switch: KEYLOCK
This 2-pin connector connects to the case-mounted key switch for locking the keyboard
for security purposes.
(7)
Speaker connector: SPKR
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(8) Power
LED
: PWR LED
The Power LED is light on while the system power is on. Connect the Power LED
from the system case to this pin.
(9) Power
switch
: PWR BTN
