xerox 820-II boot disk
dave06a at dunfield.com
Sat Oct 6 20:52:25 CDT 2007
> Dave Dunfield wrote:
> > You shouldn't need a lot of additional space. The adapter consists of a
> > 50-pin edge card connector (you can make this from a cut-down ISA connector
> > if you need), and the 34-pin connector salvaged from an old 5.25" drive
> > PCB. If your PC doesn't have one, you will also need a PC floppy cable
> > with a 5.25" drive connector. If you prefer, you could make the adapter
> > using a pin-header and connect directly to a 3.5" floppy cable.
> > You already have the 8" drives in an enclosure with power supply. You
> > pop the cover off, sit your PC beside it with it's cover off, and run
> > the floppy cable from the PC to one of the 8" drives.
> > Trickiest part is iirc the 820 has single-density on the system tracks
> > and many PCs can't do that.
> > Depending on where you are located, there may be someone nearby with an
> > 8" <> PC setup who can make you the disk. (Where are you?)
> Hi Dave, I'm also interesting in doing this, but for a Star, not an
> 820. I looked around on your site, but didn't see where the docs for
> making this interface are.
Near the bottom of the main page is a link called "Disk/Software images"
(or something like that) - on that page you will find links to the docs
I mentioned re: connecting an 8" drive.
> Also, would you know if your interface would work with reading Xerox
> Star 8" floppies from a PC?
Not familier with the star, however as long as it's IBM format soft sector
(like the 820/820-II) it should work.
dave06a (at) Dave Dunfield
dunfield (dot) Firmware development services & tools: www.dunfield.com
com Collector of vintage computing equipment:
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