Microsoft KB Archive/44126
PSS ID Number: 44126
Article Last Modified on 9/23/2003
The information in this article applies to:
- Microsoft Mouse
This article was previously published under Q44126
When connecting the Microsoft Mouse serial interface cable to your computer, you must first determine the location of the serial port.
On PC- or XT-class or PS/2 computers, the serial port is normally the male, 25-pin, D-shaped connection on the back of the machine.
On an AT-class computer, the serial connection is normally the male, 9-pin, D-shaped connection on the back of the computer.
There are exceptions, but these descriptions are a good rule of thumb.
NOTE: If the machine has only one serial port, it should be set up as COM1 using IRQ4. If the serial port is set up as COM2 and it is the only serial port on the machine, the Microsoft Mouse driver may install correctly, but the mouse may not function properly.
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