Dying PCjr drive; options?
trixter at oldskool.org
Sat Oct 8 21:07:06 CDT 2005
As the subject implies, I've got a PCjr with a floppy drive that is having
trouble reading disks and fails the internal CTRL-ALT-INS diagnostics.
Symptoms include a very loud/bad noise at first seek (rest of seeks sound ok),
and a "B" ("have drive serviced") result of the diags. The diskette I used for
diags was tested in a 5150 and found to be good. This drive was working a week
ago but has declined steadily until it can't successfully boot the machine. (I
bought some time by formatting disks 8 sectors per track instead of 9, but that
no longers works :-) I've already cleaned it using a cleaning diskette and
What are my options? Is the floppy drive in a PCjr as goofy/proprietary as the
rest of the machine? If so, should I even attempt to repair it? By the bad
clunk/buzz noise, I am assuming the head is slamming into the side of the drive
or something equally heinous.
Another related question: When I was first getting started with personal
computers 25 years ago, I seem to recall that track alignment was a common
problem and could be fixed by using a calibration diskette and special software
that you could monitor as you turned the alignment screw. Without one of those
factory calibration diskettes, is it even possible to align/calibrate a floppy
drive for track alignment?
Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/
Want to help an ambitious games project? http://www.mobygames.com/
Or check out some trippy MindCandy at http://www.mindcandydvd.com/
More information about the cctalk