VIA EPIA-M930 User Manual
8
Pin
Signal
Pin
Signal
1
TX2+
2
GND
3 TX2-
4 TX1+
5 GND
6 TX1-
7 TX0+
8 GND
9 TX0-
10
TXC+
11
GND
12 TXC-
13
key
14 key
15 DDCSCL
16
DDCSDA
17 GND
18 +5V
19
Hot Plug Detect
Table 03: HDMI® port pinouts
2.1.2
COM Ports
The two integrated 9-pin COM ports use a male DE-9 connector. The COM ports support the RS-232 standard.
The pinouts of the COM port are shown below.
Figure 07: COM port diagram
COM1 (Top Port)
COM2 (Bottom Port)
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
DCD
6
DSR
1
DCD
6
DSR
2
RxD
7
RTS
2
RxD
7
RTS
3
TxD
8
CTS
3
TxD
8
CTS
4 DTR
9 RI
4 DTR
9 RI
5 GND
5 GND
Table 04: COM port pinouts
