Instruction Manual

IMB-Q670 Micro-ATX Motherboard
Page 34
CN Location:
See Figure 3-17
CN Pinouts:
See Table 3-18
Each of these connectors provides RS-232 connections.
Figure 3-17: Serial Port Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 NDCD2/7# 2 NDSR2/7#
3 NRXD2/7 4 NRTS2/7#
5 NTXD2/7 6 NCTS2/7#
7 NDTR2/7# 8 NRI2/7#
9 GND 10 GND
11 NDCD3/8# 12 NDSR3/8#
13 NRXD3/8 14 NRTS3/8#
15 NTXD3/8 16 NCTS3/8#
17 NDTR3/8# 18 NRI3/8#
19 GND 20 GND
21 NDCD5/9# 22 NDSR5/9#
23 NRXD5/9 24 NRTS5/9#
25 NTXD5/9# 26 NCTS5/9#