Controller Problems
You see a controller error for the hard disk drive controller, the video controller, or the I/O port controllers when you start your system.
The indicated controller on your system board may be faulty. If you have an option card with a controller that will work with your device, you can install it and change the jumper settings on the system board to disable the
Mouse Problems
Your mouse isn’t working properly or you see an auxiliary device error message.Make sure the mouse cable is securely connected to one of the serial ports. Also make sure you installed the mouse driver correctly and selected the right settings for the serial ports in the SETUP program. See the documentation that came with your mouse and Chapter 1 for instructions.
Troubleshooting