ASRock IMB-1220-D [11/45] I o panel

1.4 I/O Panel

1 COM Port (COM1) (RS232/422/485)*

2 DisplayPort (DP1)

3 D-Sub Port (VGA1) (IMB-1220-L Only)

4 LAN RJ-45 Port (LAN1)**

5 LAN RJ-45 Port (LAN2)***

6 Line out (Lime)

7 Microphone (Pink)

8 USB3.2 Gen1 Ports (USB_5_6) (IMB-1220 / IMB-X1220)

USB2.0 Ports (USB_5_6) (IMB-1221)

9 USB3.2 Gen1 Ports (USB_1_2)

10 DisplayPort (DP2) (IMB-1220-D Only)

11 HDMI Port (HDMI1)

12 COM Port (COM2) (RS232/422/485)*

* This motherboard supports RS232/422/485 on COM1, 2 ports. Please refer to below table for

the pin denition. In addition, COM1, 2 ports (RS232/422/485) can be adjusted in BIOS setup

utility > Advanced Screen > Super IO Conguration. You may refer to page 34 for details.

COM1, 2 Port Pin Denition

PIN RS232 RS422 RS485

1 DCD TX- RTX-

2 RXD RX+ N/A

3 TXD TX+ RTX+

4 DTR RX- N/A

5 GND GND GND

6 DSR N/A N/A

7 RTS N/A N/A

8 CTS N/A N/A

9 +5V / +12V N/A N/A