Com1 Connector (Cn1); Displayport++ And Hdmi Connector (Cn2) - AXIOMTEK IMB530 User Manual

2.4.1

COM1 Connector (CN1)

This is a high rise 9-pin D-Sub connector for COM1 serial port interface. The pin
assignments of RS-232/422/485 are listed in the table below.
Pin RS-232
1 DCD#
2 RXD
3 TXD
4 DTR#
5 GND
6 DSR#
7 RTS#
8 CTS#
9 RI#
[*]
Note
2.4.2

DisplayPort++ and HDMI Connector (CN2)

CN2 is a double-deck connector comprising an upper connector for DisplayPort++ (CN2A)
and a lower connector for HDMI (CN2B).
Pin Signal
1 LANE 0
2 GND
3 LANE 0#
4 LANE 1
5 GND
6 LANE 1#
7 LANE 2
8 GND
9 LANE 2#
10 LANE 3
11 GND
12 LANE 3#
13 Detect Pin
14 GND
15 AUX CH
16 GND
17 AUX CH#
18 Hot Plug Detect
19 GND
20 DP_PWR(3.3V)
16
[*] [*]
RS-422 RS-485
TX- 485-
TX+ 485+
RX+ N/C
RX- N/C
GND GND
N/C N/C
N/C N/C
N/C N/C
N/C N/C
: Signals of COM1, COM2 can be RS-232/422/485 by BIOS setting.
Pin Signal
21 DATA2
22 GND
23 DATA2#
24 DATA1
25 GND
26 DATA1#
27 DATA0
28 GND
29 DATA1#
30 Clock
31 GND
32 Clock#
33 NC
34 NC
35 SCL
36 SDA
37 GND
38 +5V POWER
39 Hot Plug Detect
[*]
Board and Pin Assignments
CN2A
CN2B