Re: Apple IIc

["william strutts" <wrstrutts1@home.com>]

How do you adjust the speed of an external 5.25 Apple
disk drive?  I have a 5.25 drive for an Apple IIe with the
19pin connector that needs to be adjusted.  I checked the
speek in Copy II plus and it wasn't in tolerance.

--
--
William R. Strutts - wrstrutts1@home.com - Whatever!

C'est moi!  http://www.facelink.com/wrstrutts

Just hacking away...
"Mark Cummings" <NOTfigjams@primus.com.au> wrote in message
3b23598d@news.iprimus.com.au">news:3b23598d@news.iprimus.com.au...
> And if after cleaning the heads, I would recommend try to boot a known
good
> disk, while at the same time adjusting the drive speed pot underneath the
> IIc, until the disk boots.  If you look under the IIc there is a small
hole
> about 1/8" dia, you need a small metal (for strength) jewellers
screwdriver
> to adjust the speed. It's a little tricky getting it in the right spot.
Then
> run a speed check/adjusting program such as the one in Copy II Plus.
> I have used this method to boot a dead clone before, where I did not have
> another compatable disk drive to try on it.
> Another method you may try is to plug in an external 5.25 drive, power up,
> hit ctrl-Reset and type PR#7 to boot a disk in the external drive. I think
> this only applies to early ROMs AFAIK. For late ROMs ONLY you could use a
> 3.5" Unidisk drive (NOT Apple 3.5) if you have one. It will boot
> automatically after it checks the internal drive. Then run the drive spped
> adjustment program off the 3.5 to set the internal 5.25.
>
> Mark
>
>
> Ralph Glatt <mairsil@my-deja.com> wrote in message
> 3be3af45.0106091651.3d811230@posting.google.com">news:3be3af45.0106091651.3d811230@posting.google.com...
> > Stephen Shaw <stephen@apple2.org.za> wrote in message
> news:<9ft4l2$n44$1@venus.itns.co.za>...
> > > On Sun, 27 May 2001 06:22:37 GMT, ralmin wrote:
> > >
> > > >> Does anyone know what the problem is when your Apple IIc at startup
> says
> > >  "Check
> > > >> drive". I have taken the drive out and put it on a Disk II
interface
> where
> > >  it
> > > >> boots just fine. As I now have a Pace desoldering station I can now
> > >  unsolder
> > > >> chips without any fears. Anyone with the old SAMS computerfact for
> the IIc
> > > >> would be able to advise me what to check.
> > > >> If anyone has the SAMS Computerfacts for the II range please
contact
> me
> > >  I'd
> > > >> like to buy them if the price is right
> > > >
> > > > "Check drive" just means there is no bootable disk in the drive.
> > > >
> > > > I hate to ask it but did you try it with a few disks first?
> > >
> > > YEP!
> >
> > Okay, then, have you tried cleaning the heads?
>
>