Internal Usb 3.1 Gen1 Connector (Cn20); Com Headers (Com3, Com4) - AXIOMTEK IMB530 User Manual

CN19 24-pin power input connector:
Pin CN19 Signal
1 3.3V
2 3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWR OK
9 5VSB
10 +12V
11 +12V
12 3.3V
2.4.16

Internal USB 3.1 Gen1 Connector (CN20)

The CN20 is a 19-pin internal connector for installing versatile USB 3.1 compliant
peripherals.
Pin Signal
1 VBUS0
2 SSRX5-
3 SSRX5+
4 GND
5 SSTX5-
6 SSTX5+
7 GND
8 USB10-
9 USB10+
10 ID
2.4.17

COM Headers (COM3, COM4)

The motherboard comes with 5x2-pin p=2.54mm headers for COM3, COM4 serial port
interfaces.
COM3, COM4:
Pin Signal
1 DCD#
3 RXD#
5 TXD#
7 DTR#
9 GND
Board and Pin Assignments
Pin CN19 Signal
13 3.3V
14 -12V
15 GND
16 PS_ON
17 GND
18 GND
19 GND
20 -5V
21 +5V
22 +5V
23 +5V
24 GND
Pin Signal
19 VBUS1
18 SSRX6-
17 SSRX6+
16 GND
15 SSTX6-
14 SSTX6+
13 GND
12 USB11-
11 USB11+
Pin Signal
2 DSR#
4 RTS#
6 CTS#
8 RI#
10 N/C
24
12
9
10
2 1
13
1
23