Additionally, you may need to add some commands in your configuration files. See your MS-DOS Reference Manual and the manual that comes with your option card for instructions.

You may also want to test a newly-installed option. Some options come with their own diagnostics test programs, and you can test others with the diagnostics programs on your Reference diskette. You can use the System diagnostics program on your Reference diskette to test the following:

System memory

Math coprocessor

Serial and parallel ports

Disk drives

Monitors and display adapters

Dot-matrix printers.

See Appendix E for instructions.

Installing and Removing Options

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