15
2-6-2 Headers
(1)
Serial Port2 COM2 Header (9-pin) : COM2
COM2
Pin 1
Note: Orient the read marking on the
COM2 ribbon cable to pin 1
Serial Port2 COM2 Header
(2) Line-Out/MIC Header for Front Panel (9-pin): AUDIO
This header connect to Front Panel Line-out, MIC connector with cable.
Without install the cable, this header default setting is 5-6 short, 9-10 short. When you
install the cable you have take off these jumpers.
Line-Out, MIC Headers
AUDIO
Pin 1
AUD_MIC
AUD_FPOUT_L
AUD
_
MIC
_
BIAS
AUD_FPOUT_R
HP_ON
AUD_GND
AUD_RET_L
AUD_RET_R
AUD_VCC
2
9
10
(3) USB Port Headers (9-pin) :
USB1, USB2 (only for P4MDMP/P4MDUT/P4MDPT)
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 Port Headers
Pin 1
USB1
VC
C
-
DAT
A
GN
D
+
DAT
A
VCC
OC
-
DAT
A
GND
+
DAT
A
Pin 1
USB2
VC
C
-
DAT
A
GN
D
+
DAT
A
VCC
OC
-
DAT
A
GND
+
DAT
A
(only for P4MDMP
P4MDUT/P4MDPT)
(4) IDE Activity LED: HD LED
This connector connects to the hard disk activity indicator light on the case.
(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.
