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6 serial port connector (com1) – IEI Integration IMB-Q870-i2 User Manual

Page 66

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IMB-Q870-i2 microATX Motherboard

Page 50

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

8

GND

20

HDMI_GND

9

HDMI_DATA0#

21

HDMI_GND

10

HDMI_CLK

22

HDMI_GND

11

GND

23

HDMI_GND

12

HDMI_CLK#

Table 3-34: HDMI Connector Pinouts

3.3.6 Serial Port Connector (COM1)

CN Label:

COM1

CN Type:

DB-9 connector

CN Location:

See Figure 3-28

CN Pinouts:

See Table 3-35

The serial port connects to a RS-232 serial communications device.

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1

DCD1

6

DSR1

2

RXD1

7

RTS1

3

TXD1

8

CTS1

4

DTR1

9

RI1

5

GND

Table 3-35: Serial Port Connector Pinouts

Figure 3-30: Serial Port Connector Pinouts