Re: GS-RAM, not Plus

["Bill Garber" <willy46pa@comcast.net>]

"Greg Buchner" <apple22@mn.rr.com> wrote in message
apple22-6D0112.16223614092006@news-rdr-03.rdc-kc.rr.com">news:apple22-6D0112.16223614092006@news-rdr-03.rdc-kc.rr.com...
: In article <GN-dncXMEKE45ZTYnZ2dnUVZ_sudnZ2d@comcast.com>,
:  "Bill Garber" <willy46pa@comcast.net> wrote:
:
: > "jsnospam@cimmeri.com" <js@cimmeri.com> wrote in message
: > 1158246395.821534.223250@e3g2000cwe.googlegroups.com">news:1158246395.821534.223250@e3g2000cwe.googlegroups.com...
: > :
: > : Looking at the GS-RAM with the glue on
: > : the right side, there's two verticle
: > : stacks of chips.
: > :
: > : 1st (left): 74F139, 74F244, 74F244
: > : 2nd (right: PAL26LB-15CN, 74LS245N
: >
: > Thanks,
: >
: > Mine is this PAL, and I'm sure you meant
: > to type L8. You should look at that again.
: >
: >  "2nd (right: PAL16L8-15CN, 74LS245N"
: >
: > That would be the (c)1986 version. They
: > changed the logic from that to (c)1987.
: > I'm still studying them to see why.
: > Neither one works properly in a ROM03,
: > and I'm also looking at why that is also.
: > Maybe a jumper wire or 2 will rectify it.
:
: I do remember that the GS-RAM/GS-RAM+ had different chips to plug in if
: you had either a ROM 1 or a ROM 3 GS.  They had the instructions and the
: different chip included with it.  When I got mine, I believe it came
: already set up for a ROM 1.
:
: I ran across one the other day when I was looking for something else, I
: don't know if it was for the ROM 1 or ROM 3 and for the life of me, I
: can't remember where I saw it at this point...  I've looked in some of
: the obvious spots in my apartment, but it hasn't helped me find it.
:
: Greg B.


If you do run across it again, Greg, I'd appreciate a hi-res
scan of the front and back, and any other info you have. I'm
finding these cards very interesting.

Bill Garber
Owner - Garberstreet Enterprizez
Co-owner - GSE-Reactive.com
(610)935-7676 (610)329-8996