Article View: comp.sys.atari.st
Article #29293Re: Floppy drive speed
From: Phil Hughes
Date: Sat, 21 Nov 1987 06:01
Date: Sat, 21 Nov 1987 06:01
18 lines
1402 bytes
1402 bytes
In article <oVbq70y00V4EzAk0HD@andrew.cmu.edu>, ws1i+@andrew.cmu.edu (William Manchester Shubert) writes:
>
> Somebody I know wanted to know how you alter the speed on your floppy
> drive (to set it to the proper 300 rpm, or whatever it should be.) They've
> gotten theirs open, found what they call a "meter" of sorts, but now cannot
> figure out how to uncover the actual speed that their drive is running at.
> Can anybody help?
Most floppy drives have a strobe disk on the motor drive. To check the
speed you need to strobe it with 60HZ. A neon bulb will do the trick.
Either get an NE-2 and resistor and plug it in or get one of those
$.49 elcetrical testers which is a neon bulb in a plasicc case, plug
it in tio the ac line and hold it next to the strobe disk.
--
Phil Hughes, SSC, Inc. P.O. Box 55549,
Seattle, WA 98155 (206)FOR-UNIX or 527-3385
...!uw-beaver!tikal!ssc!fyl
Technical Details
Message-ID:
<797@ssc.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!mnetor!uunet!pilchuck!ssc!fylReferences:
<oVbq70y00V4EzAk0HD@andrew.cmu.edu>Show Full Headers
Complete Article Headers
Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!pilchuck!ssc!fyl From: fyl@ssc.UUCP (Phil Hughes) Newsgroups: comp.sys.atari.st Subject: Re: Floppy drive speed Message-ID: <797@ssc.UUCP> Date: Sat, 21-Nov-87 01:01:26 EST Article-I.D.: ssc.797 Posted: Sat Nov 21 01:01:26 1987 Date-Received: Mon, 23-Nov-87 02:58:05 EST References: <oVbq70y00V4EzAk0HD@andrew.cmu.edu> Organization: SSC, Inc., Seattle, WA Lines: 18 Summary: use a strobe light