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P6F104 User’s Manual
11. Modem Voice Input Connector:
This 1x4 header is used for Voice
Modem’s internal connector. This allows
modem’s voice can be direct to the
onboard sound chip and amplified by
speaker.The pin out and connect type are
different between MD1 and MD2. MD2
is a JST type connector and MD1 is a
MPC2 type connector.
2.2.4 Set Jumpers on the Mainboard
1. Case Open Switch (S1)
The default setting is “Open” means the case
is close. when the S1 set as “Close” means
the case is open. If you install the system
monitor driver when S1 is “Close”, there will
have beep sound.
2. Clear CMOS and Password (JP23)
If your system can not boot up because you
forget your password, or the CMOS settings
need to be reset to default values after the
system BIOS has been updated, the follow-
ing instructions can be performed to clear the
CMOS and password.
1. Power off the system
2. Place a shunt to short pin2 and pin3 of
JP23 for 5 seconds
3. Put the shunt back to pin1 and pin2 of
JP23
4. Power on the system
Chapter 2:Hardware Installation
1
2
3
4
MD2 Pin Assignment
MD1 Pin Assignment
1. PHN
2. GND
3. MIC
4. GND
1
2
3
4
1. PHN
2. GND
3. GND
4. MIC
M
D
1
M
D
2
JP23
1
S1