[Coco] eprom programmer

[Frank Pittel]

Hmmm, I may look for it one of these days. :-) Truth be told I'm more interested
in something that will work with a PC. I should also come clean and mention that I've
agreed to buy an eprom programmer from a member of the list that is known to work at
a price that I'm willing/happy to pay.

The Other Frank

On Fri, Mar 23, 2012 at 06:08:58PM -0500, camillus Blockx wrote:
> Did you know that there was a project by tony distefano, to build a eprom
> programmer.
> Never build it but sure someone did. And it can be used in the port of the
> coco.
> Software came with it. Described in one of the rainbows ( 2 articles I
> believe )
> 
> succes
> 
> 
> On Fri, Mar 23, 2012 at 5:54 PM, Darren A <mechacoco at gmail.com> wrote:
> 
> > On Fri, Mar 23, 2012 at 4:38 PM, Frank Pittel  wrote:
> > > I've got a tube of 13 27128s that I would like to be able to do
> > something with. As
> > > memory serves those eproms will work with the floppy controllers for the
> > coco. My
> > > thought is to replace the eprom in my "primary" controller with a
> > drivewire image.
> >
> >
> > Which floppy controller do you have?
> >
> > A 27128 will work directly in an FD-502 controller so long as you
> > program the HDB-DOS DW code into the upper half (or both halves) of
> > the EPROM.
> >
> > If you have an older controller with a 24 pin ROM socket, then you
> > will need something like the DOS Adapter from Cloud9.  That will allow
> > you to burn different DOSes into the two halves of the EPROM and use
> > the jumper to select which one you want to use.
> >
> > An inexpensive Willem programmer (see eBay) can be used to burn 27128
> > EPROMs.
> >
> > Darren
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> >
> 
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