
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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