Epson Equity II - Manual (Page 126)

If you have only one floppy disk drive, you see a prompt to remove the
diagnostics 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 floppy disk, the first message you see is:
Current track is 79
Speedcheck
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.
The computer spins the diskette for a few seconds then displays a
message like this:
The disk rotation speed is now 360.5 rpm.
The diskette continues to spin and the message listing the rotation speed
updates 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 floppy disk, 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.
Disk change check
This check tests the ability of a drive to detect that a diskette has been
inserted or removed. Disk changes can only be detected by 1.2MB or 720KB
(3 disk drives.
Diagnostics
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