31 com 1/ 2: com port – AMD K3780E User Manual
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Mainboard
20
1.4.31 COM 1/ 2: COM Port
This mainboard provides four COM pin headers for you to connect additional serial connectors on
your case back panel. Attach cables of serial connectors onto these headers, then you can use
the serial connectors connecting with a mic, modem or other peripheral device.
Pin
Assignment
Pin
Assignment
1 DCD
2 SIN
3 SOUT
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9
+5V/RINGW/
+12V
10
N/C
1.4.32 CON1001: LVDS
Pin
Assignment
Pin
Assignment
2 12V
1 12V
4 GND
3 GND
6 3.3V/5V
5 3.3V/5V
8 GND/I2C_CLK 7 GND/
I2C_DATA
10
BCKLITE_ON
9
BRIGHTNESS
12
LVDS_GND
11
LVDS_GND
14
CHB_TX0+
13
CHA_TX0+
16
CHB_TX0-
15
CHA_TX0-
18
LVDS_GND
17
LVDS_GND
20
CHB_TX1+
19
CHA_TX1+
22
CHB_TX1-
21
CHA_TX1-
24
LVDS_GND
23
LVDS_GND
26
CHB_TX2+
25
CHA_TX2+
28
CHB_TX2-
27
CHA_TX2-
30
LVDS_GND
29
LVDS_GND
32
CHB_TXC+
31
CHA_TXC+
34
CHB_TXC-
33
CHA_TXC-
36
LVDS_GND
35
LVDS_GND
38
CHB_TX3+
37
CHA_TX3+
40
CHB_TX3-
39
CHA_TX3-