5 serial port connectors (com1), Table 3-27: hdmi connector pinouts, Table 3-28: serial port connector pinouts – IEI Integration IMB-Q670 v1.03 User Manual
Page 57: See table 3-27

IMB-Q670 microATX Motherboard
Page 43
The HDMI port connects to an HDMI device.
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
HDMI_TMDS_C_DATA2
13
NC
2
GND
14
NC
3
HDMI_TMDS_C_DATA2#
15
HDMI_DDC_SCLK
4
HDMI_TMDS_C_DATA1
16
HDMI_DDC_SDATA
5
GND
17
GND
6
HDMI_TMDS_C_DATA1#
18
+5V
7
HDMI_TMDS_C_DATA0
19
HDMI_HPD
8
GND
20
GND
9
HDMI_TMDS_C_DATA0#
21
GND
10
HDMI_TMDS_C_CLK
22
GND
11
GND
23
GND
12
HDMI_TMDS_C_CLK#
Table 3-27: HDMI Connector Pinouts
3.3.5 Serial Port Connectors (COM1)
CN Label:
COM1
CN Type:
DB-9 connector
CN Location:
CN Pinouts:
The serial port connects to a RS-232 serial communications device.
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
NDCD
6
NDSR
2
NRXD
7
NRTS
3
NTXD
8
NCTS
4
NDTR
9
NRI
5
GND
Table 3-28: Serial Port Connector Pinouts