The only thing that comes in my mind at first is the 6520 PIA at C7, which operates the keyboard, although this seems a bit like a last straw. Christian Am 23.06.2013 08:32, schrieb Ruud@Baltissen.org: > Hallo Giovi, > > > To be honest, I have no idea. So I forward your question to the > famous CBM-hackers again. > > > ------- Forwarded message follows ------- > From: "Giovi" <firstname.lastname@example.org> > To: <Ruud@Baltissen.org> > Subject: Re: (Fwd) Re: 8032 crt vs. 3032 crt > Date sent: Sat, 22 Jun 2013 14:54:58 -0300 > > > Hi Ruud, > > I have a new question for you! > > With some good and expert friends at > http://www.vintage-computer.com I took > the decision to fix the original 3032 board. > > After fixing some minor problems we arrived at a dead point. > > The computer works (boot and answer to keyboard command) only with > the edit > ROM for business keyboard. It doesn't work (it hangs with a black > screen > while booting) with the edit ROM for graphic keyboard. > > We tried with basic 2 and basic 4, of course with correct set of > Rom/Eprom. > Same result: ok with business keyboard rom, no way with graphic > keyboard > rom. > > We checked it with a petester.bin ROM and all seems ok at least > with this > simple diagnostic. > > It *seems* that some instructions in the edit ROM (at $E000) for > the graphic > keyboard make it to hang. > > Have you some experience/ideas about this? > > I also don't understand if is there any difference (jumpers, > components...) > between graphic keyboard assy and business keyboard assy... > > cheers, > Giovi > > > ------- End of forwarded message ------- > > > -- > > Kind regards / Met vriendelijke groet, Ruud Baltissen > www.Baltissen.org > > > > > > > > Message was sent through the cbm-hackers mailing list -- Christian Dirks Toast_r@Idealine.info Message was sent through the cbm-hackers mailing listReceived on 2013-06-23 11:00:08
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