16 Jul
2003
16 Jul
'03
11:22 a.m.
Hello,
I am trying to update the firmware in an old BBN BitGraph terminal and
it uses four TMS2564 EPROMs, which from what I have been able to determine
(see here: http://www.spies.com/~arcade/schematics/ROMref.txt ) are not
compatible with a standard 2764. I suppose that I could make four adapters,
but if I can find the correct parts, that would be better.
Does anyone have four TMS2564-45 (or better) that they would be willing
to part with?
--tnx
--tom
17 Jul
17 Jul
4:24 a.m.
Hey Tom,
How is the BitGraph project? And progress with the 11/35?
Tom Uban wrote:
Hello,
I am trying to update the firmware in an old BBN BitGraph terminal and
it uses four TMS2564 EPROMs, which from what I have been able to
determine
(see here: http://www.spies.com/~arcade/schematics/ROMref.txt ) are not
compatible with a standard 2764. I suppose that I could make four
adapters,
but if I can find the correct parts, that would be better.
Does anyone have four TMS2564-45 (or better) that they would be willing
to part with?
--tnx
--tom
4 Sep
4 Sep
3:42 a.m.
New subject: Imlac PDS-1 Function Location
Hey Bob,
I've made a copy of my PDS-1 and PDS-1D schematic sets (11x17) for
Al Kossow to scan. I had made a PDS-1D set for him before, but it
was incomplete.
My copy of the PDS-1 is missing the Function Location diagram which
indicates where each of the cards is located. Do you have that sheet
in your schematic set? If so, do you have a scanner, or could you
make a xerox of that sheet and send it to Al to incorporate into
the set I am sending him?
--tnx
--tom
7549
days inactive
7599
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bshannon＠tiac.net -
uban＠ubanproductions.com