Filter
Top Products
Use only a formatted blank diskette for this test.
Any data present may be erased.
If using drive A, remove your Reference Disk.
Enter Y to start this check.
Enter N to return to the menu.
If you are using drive A, remove the reference diskette and
insert the blank diskette you prepared in the drive; then press
Y and
Enter.
The program displays the current track number as each
cylinder is tested. For example, with a 720KB diskette, this is
the first message you see:
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 294.0 rpm
and less than 306.0 rpm.
The computer spins the diskette for a few seconds then
displays a message like this:
The disk rotation speed is now 300.0 rpm.
Note
The speed for a 3 + -inch or 5
f
-inch drive should be 300 rpm.
This check permits a tolerance of
~2%.
The diskette continues to spin, and the display is updated
every few seconds. To stop the test, press any key; the program
returns to the menu.
If you try to perform a speed test without inserting a diskette,
or if a read error occurs, you see this message and prompt:
Disk is defective or not installed properly.
Press Enter to return to the menu.
D-16
Performing System Diagnostics