Drive Motor Speed Adjustment - IBM 3270 Maintenance Manual

Drive Motor Speed Adjustment
1. Insert the Diagnostics diskette.
2. Set the Power switch on the expansion unit
(if attached) and the system unit to On.
3. Advance to menu 8 (see "Diagnostic Menu
Reference" in Section 2).
4. Select option 4 (SPEED TEST) for the
diskette drive you are testing. The diskette
drive speed and adjustment specification
appear on the screen.
Note: If you are unable to load the
Diagnostics program, or if the Speed Test will
not execute, go to the "Drive Motor
Preliminary Speed Adjustment" (5-601-17).
SPEED IS 2000
ADJUST FOR 1980 TO 2020
PRESS ANY KEY TO EXIT
SPEED IS 1999
ADJUST FOR 1980 TO 2020
October 1984 5-601-21