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Re: Apple IIBF (IIGS Prototype?)
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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