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|    comp.sys.ibm.ps2.hardware    |    Discussing IBM PS/2 hardware    |    42,985 messages    |
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|    Message 42,112 of 42,985    |
|    Louis Ohland to Christian Holzapfel    |
|    Re: Auction: ATI Mach32 f. IBM PS/2 Micr    |
|    13 Sep 23 13:18:53    |
      From: ohland@charter.net              Um, like "The Six Million Dollar Man", "we can rebuild him"              But why? The ATI GUP was a happening card for the time, but it smacks       into 1,024x768. How many current monitors go that small on the screen        >natively< ?              So the GUP might serve as a basis for a current adapter implementation,       but should it be replicated?              Christian Holzapfel wrote:       > lharr...@gmail.com schrieb am Mittwoch, 13. September 2023 um 13:32:33 UTC+2:       >> Hell yea! Do it!!!! lolol       >       > As I mentioned in the PS/2 Facebook group, it would be certainly possible,       with only a few (quite expensive) difficulties to overcome "somehow":       > - I would need one fully functional card to take its 7 GAL logic chips off       and send them in for breaking their security mechanisms and read-out       > - Demystifying the 7 GALs by my trusty contact requires around $ 2700 to be       spent, and I don't consider cancelling my pension plan for this alone       > - A defect card would be *very* helpful to desolder almost all components to       get a clear view on the naked PCB for reverse engineering       >       > I still don't know whether the PCB is 2- or 4-layered, and if there are       traces on the inner layers, which would make reverse engineering very hard.       > Some detailed, high-res pictures would be required at an early stage.       >       > I looked into the bill of materials, and it seems all components could still       be acquired, including the GPU, VRAM and RAMDAC.       > Assembly would still be expensive from the pure manufacturing cost, probably       not under $ 500 for PCB and components.       >       > My initial suggestion was doing some kind of crowdfunding to accomplish the       GAL copies, and then giving donors the opportunity to buy a card for the       manufacturing cost. Would still be like $ 500 per donation and $500 for the       card, so if that doesn't        raise any thumbs up, I fully understand. It's still a crazy venture.       >       > In the end, it's only time and money, and I already volunteered for the       time...       >              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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