IEI Integration IMB-Q670 v2.00 - Manual (Page 46)

IMB-Q670 Micro-ATX Motherboard
Page 32
Figure 3-16: Serial Port Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 RXD485# 2 RXD485
3 TXD485 4 TXD485#
Table 3-16: Serial Port Connector Pinouts
3.2.16 Serial Port Connectors, RS-232
CN Label: COM2_3_5_6, COM7-10
CN Type: 40-pin box header (2x20)
CN Location: See Figure 3-17
CN Pinouts: See Table 3-17
Each of these connectors provides RS-232 connections.