[Simh] VAX 8200

[Bob Eager]

That is correct. The 360kB drives are only 40 track. The 1.2MB drives
are 80 track.

On Mon, 20 Mar 2017 13:53:57 -0600
khandy21yo <khandy21yo at gmail.com> wrote:

> I think  you need 1.2M floppy drives for this. I seem to remember
> THAT 360k drives don't work for reading RX50s.
> 
> 
> Sent from my Galaxy Tab® A
> -------- Original message --------From: Paul Koning
> <paulkoning at comcast.net> Date: 3/20/17  6:45 AM  (GMT-07:00) To:
> Ethan Dicks <ethan.dicks at gmail.com> Cc: SIMH <simh at trailing-edge.com>
> Subject: Re: [Simh] VAX 8200 
> 
> > On Mar 19, 2017, at 11:33 PM, Ethan Dicks <ethan.dicks at gmail.com>
> > wrote:
> > 
> > ...
> > I have a number of ways to read RX50s, but nothing is presently set
> > up and plugged in for that.  I'll have to dust something off and
> > get it going.
> 
> PCs can read RX50s if you have a 5.25 inch drive.  DOS, or old enough
> versions of Windows that you can issue BIOS calls work.  On Linux,
> you can set the floppy parameters to 80 tracks, 10 sectors, single
> sided, and then standard utilities like dd will work.  If you have a
> floppy image you may need to process the interleaving to get to an
> image other file system utilities will handle.
> 
> My FLX utility (on my Subversion server or in simhtools) can do
> this.  I have a newer version in Python that can be used as a
> library, and includes an interleave/de-interleave tool.
> 
> 	paul
> 
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