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 diagnostic menu 8 (refer to
"Diagnostic Menu Reference," Section 2).
4. In menu 8, select option 4, SPEED TEST, for
the diskette drive you are testing. The
diskette drive speed and the adjustment
specification appear on the screen.
Note: If you are unable to load the
Diagnostics diskette, or if the Speed Test will
not execute, refer to the "Drive Motor
Preliminary Speed Adjustment" (5-602-16).
SPEED IS 2000
ADJUST FOR 1980 TO 2020
PRESS ANY KEY TO EXIT
SPEED IS 1999
ADJUST FOR 1980 TO 2020
5-602-20 Maintenance Information