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Re: Apple IIBF (IIGS Prototype?)



Here's the markings off mine:
D27C256D
341-0077-A
V1.0BF
6/19/86

I'm going to try and drop in a SCSI card and get it to boot GS/OS to
get a ROM dump.  Also interesting is the memory card says "Vegas 1MEG
RAM" on it and the part # is AP1000-03.

Stefan

"Jplcsch" <jplcsch@wanadoo.fr> wrote in message news:<canssh$bkm$1@news-reader2.wanadoo.fr>...
> Hi
> PROMs are NEC 27256D on mine and the chip on the left is 74F139
> I forgot to wrote on my last post
> JP
> 
> "Bill Garber" <willy46pa@comcast DOT net> wrote in message
> tvOdnYp6la_0xFLdRVn-gw@comcast.com">news:tvOdnYp6la_0xFLdRVn-gw@comcast.com...
> >
> > "David Wilson" <david@uow.edu.au> wrote in message
> > news:40ce932b$1@news.uow.edu.au...
> > : migan@bellatlantic.net (Stefan Miganowicz) writes:
> > :
> > : >http://s87120062.onlinehome.us/IIBF/DSC01210.jpg
> > :
> > : Hmm, 4 EPROMs in an adapter. 27256 chips by any chance?
> > : I have been wanting to make an adapter like this for my ROM01
> > : IIgs so I could try upgrading the firmware.
> >
> > I have verified 28-pin eproms, but can't read the numbers.
> > Could be anything from 2764 to 27512. Since the numbers
> > are on the chips, the owner could tell us what they are.
> >
> > Bill @ GarberStreet Enterprizez };-)
> > Web Site - http://garberstreet.netfirms.com
> > Email - willy46pa @ comcast DOT net
> > Change DOT to a dot to contact me
> >
> >
> >
> > ---
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> >
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