Manic1975 Posted September 30, 2012 Share Posted September 30, 2012 Does someone know maker of Pgram? Does it have web page? How to contact maker of this device. Quote Link to comment Share on other sites More sharing options...
airernie Posted October 2, 2012 Share Posted October 2, 2012 Does someone know maker of Pgram? Does it have web page? How to contact maker of this device. The P-GRAM was created by John Guion & Robert Jones and was marketed by Bud Mills Services (aka Horizon Computing). Bud closed the business a long time ago and hasn't sold the P-GRAM in years. He returned everything P-GRAM related to Robert Jones. The only support that you are likely to find is here or on one of the 99/4A related Yahoo Groups. Quote Link to comment Share on other sites More sharing options...
+acadiel Posted October 3, 2012 Share Posted October 3, 2012 Actually, I'm guessing it probably could be consolidated quite a bit with modern technology, especially all those 74LS chips. I haven't had time to look at redoing it though. Quote Link to comment Share on other sites More sharing options...
Gazoo Posted October 3, 2012 Share Posted October 3, 2012 Actually, I'm guessing it probably could be consolidated quite a bit with modern technology, especially all those 74LS chips. I haven't had time to look at redoing it though. It also probably wouldn't be too much trouble and would save a few pennies to combine the 8k, 32k, & 128k srams into one 512k chip. Gazoo Quote Link to comment Share on other sites More sharing options...
CantStopClicking Posted October 12, 2012 Share Posted October 12, 2012 (edited) A much more doable Gram device project would be the Pgram. I've owned a few, as well as a Gram Kracker and found them to be more reliable and as useful (if not more so) than the Gram Kracker. Maybe Bud even has a few bare boards left. If not, he's certainly still got the layouts. They use all off-the-shelf parts, no special pals or gals ore anything like that. I'm betting that if there were a run of boards and a bulk parts buy were done, the cost would come in at less than $100. I might even like to have one again. Gazoo That's more reasonable to me. Plus I love to build stuff! I'm relatively new here, but how does one contact Bud? EDIT: Ok, so my newness shows, didn't click on "Page 2" so I totally didn't see the previous posts regarding Bud... Does anyone have PCB drawings for this already? Or anything we could start with? I have no problem with original design - as I have nothing now. I'm in for trying! Anyone else? -D "Long Live the TI-99/4a!" Edited October 12, 2012 by CantStopClicking Quote Link to comment Share on other sites More sharing options...
Manic1975 Posted November 4, 2012 Share Posted November 4, 2012 If someone is willing to sell Gram kracker. Please contact me. 1 Quote Link to comment Share on other sites More sharing options...
sjt Posted May 23, 2014 Share Posted May 23, 2014 Does anyone have contact info for Robert Jones? Quote Link to comment Share on other sites More sharing options...
Cory Posted May 28, 2014 Share Posted May 28, 2014 If someone is willing to sell Gram kracker. Please contact me. I believe I still have one. Let me check tomorrow. Quote Link to comment Share on other sites More sharing options...
Manic1975 Posted May 28, 2014 Share Posted May 28, 2014 I believe I still have one. Let me check tomorrow. Thank you very much!!! Quote Link to comment Share on other sites More sharing options...
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