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From: jeffd@ittvax.ATC.ITT.UUCP (Jeff Denenberg)
Newsgroups: net.periphs,net.micro.pc
Subject: Re: adjusting PClone drives
Message-ID: <604@ittvax.ATC.ITT.UUCP>
Date: Mon, 16-Jun-86 09:05:37 EDT
Article-I.D.: ittvax.604
Posted: Mon Jun 16 09:05:37 1986
Date-Received: Tue, 17-Jun-86 11:48:52 EDT
References: <336@vu-vlsi.UUCP> <1860@gitpyr.UUCP> <9879@ucsfcgl.ucsfcgl.UUCP> <1560@eagle.ukc.ac.uk>
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Xref: watmath net.periphs:1098 net.micro.pc:8688

> 
> About  speed  adjustment. The  IBM  service manuals seem to indicate you
> should use the strobe lines on the drive only for rough  adjustment  (so
> you  can  get  the drive working enough to load a proper program for the
> job). The IBM advanced diagnostics contain a program which will let  you
> twiddle  the  speed  adjustment  and  see the speed changes expressed as
> numbers.
> 
> I have a program which I *think* is PD; it shows a scale on  the  screen
> and  a pointer indicating the speed. Anyone interested in a posting once
> I have checked?
> -- 
>            Bob Eager
> 
>            rde@ukc.UUCP
>            rde@ukc
>            ...!mcvax!ukc!rde
> 
>            Phone: +44 227 66822 ext 7589

The program COPYIIPC has a /T option which does a good job of continuously
testing a floppy's speed. It is not public domain but is well worth the
discounted price of ~$20.