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:

0 System memory

D Math coprocessor

0Serial and parallel ports tl Disk drives

P Monitors and display adapters

0Dot-matrix printers.

See Appendix C for instructions.

6-24 Installing and Removing Options