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