User`s manual

CyberResearch
®
Motherboards MMGA Series
CyberResearch, Inc. 71
25 Business Park Drive P: [phone]; F: [phone]
Branford, CT USA www.cyberresearch.com
17 PRINTER SELECT LN# 18 GND
19 GND 20 GND
21 GND 22 GND
23 GND 24 GND
25 GND
Table 1-28: Parallel Port Connector Pinouts
The male DB-9 COM 1 serial port connector is connected to RS-232 serial
communications devices. The connector is show in Figure 1-43 and the pinouts are
shown in Table 1-29.
Figure 1-43: COM1 Pinout Locations
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 DCD 6 DSR
2 RX 7 RTS
3 TX 8 CTS
4 DTR 9 RI
5 GND
Table 1-29: RS-232 Serial Port (COM 1) Pinouts
The female DB-15 VGA connector connects to standard VGA displays. The connector is
show in Figure 1-44 and the pinouts are shown in Table 1-30.