Computer Connections, analog




VGA / SVGA / XGA and MACII / QUADRA monitor connector (D-Sub) pinout
RS-232 Serial Port
RS-422 Serial Port
RS-485 Serial Port
PC Keyboard Connection
Mac Keyboard Connection
PS2 Mouse Connection
Nullmodem Cable
RS-232 Serial Port, description and history, by www.ctips.com
PC Printer Parallel Port, pinout
Centronics Parallel Port, pinout
PS2 Port, pinout, by www.ctips.com
Keyboard Port, pinout, by www.ctips.com
Standard Parallel Port, pinout, by www.ctips.com
Pinout Collection, by Tom Johnson
Pinouts: RS232, Printer, Modem, Nullmodem, by Rob Thompson
Parallel and Serial Port Cable Pinouts, by mahendra@geocities.com
Macintosh/Mac Plus serial port pinouts, by NCSU Computing Center 
IRQs 
CAT5 Wiring