Write, Read Check

This test checks the ability of the selected disk drive to read and write data from a diskette. The test writes to and reads from each cylinder on the diskette, starting at the center.

Note

This test destroys all data on the diskette in the selected drive.

Select option 3 from the menu to start this test. If you have only one diskette drive, you see a prompt to remove the diagnostics (Reference) diskette and insert a blank diskette before running the test. You see these messages:

Use only a formatted blank diskette for this test.

Any data present may be erased.

If using drive A, remove your Diagnostics Disk.

Enter Y to start this check.

Enter N to return to the menu.

Make sure the blank diskette you prepared is in drive A, then press Y and Enter.

The program displays the current track number as each cylinder is tested. For example, with a 1.2MB diskette, the first message you see is:

Current track is 79

Speed Check

This test checks the revolution speed of the specified disk drive. Select option 4 from the menu to start this test. You see a message similar to this:

The disk rotation speed should be more than

352.8 rpm and less than 367.2 rpm.

Performing System Diagnostics

C-23