From: donni (donni_at_com64.com)
Date: 2008-11-17 17:20:19
This schematic on lycos: http://members.lycos.nl/ijmtu/hpbimg/MAX%20machine%20schematic.jpg was reversed egineerd from a MAX machine I had sitting in front of me. Why not use that one instead of a schematic full of errors, made from some unreadable copy? Also the schematic on zimmers.net is not what is inside any max machine I ever seen, maybe it's the schematic for the very first version of the MAX machine ?? -donni ----- Original Message ----- From: "Marko Mäkelä" <firstname.lastname@example.org> To: <email@example.com> Sent: Monday, November 17, 2008 8:44 AM Subject: Re: [Fwd: Re: Schematic MAX Basic cartridge for download] > On Sun, Nov 16, 2008 at 06:31:56PM -0600, Jim Brain wrote: >> The schematic he refers to in zimmers is the one Ruud did: >> >> http://www.zimmers.net/cbmpics/cbm/max/ultimaxSchematic.gif >> >> Is there any way to fix this? > > As far as I remember, Ruud based his work on an almost unreadable paper > copy > that I got from somewhere. The cartridge port pin numbers were reversed > in that copy, too. > > If Ruud doesn't have the original any more, I can see if I can find it. > But I don't have access to any scanning equipment any more, and a good > scanner would be required, given the low contrast and high amount of > noise in the original. > > Marko > >> -------- Original Message -------- >> Subject: Re: Schematic MAX Basic cartridge for download >> Date: Fri, 14 Nov 2008 13:12:53 -0800 (PST) >> From: Sam <firstname.lastname@example.org> >> Organization: http://groups.google.com >> Newsgroups: comp.sys.cbm >> References: >> <email@example.com> >> <6o3et1F1lkamU1@mid.individual.net> >> <firstname.lastname@example.org> >> <email@example.com> >> >> - Tekst uit oorspronkelijk bericht weergeven - >> >> Hello Steve, >> >> You are right about the labelling, but that makes no sense for working >> of the cartridge. >> But I found out the schematic on zimmers.net is not correct. >> >> On the cartridgeport the pin numbers 1 - 22 and A -Z are reversed. >> And pins 14 and 15 on that schematic, who are in fact 8 and 9, are not >> connected ?? >> In that case connecting pin 9 and 10 in my schematic should make no >> sense, but is does ! >> With pin 9 and 10 open, no cursur on the Max... >> >> I found another MAX schematic that should be allright: >> >> http://members.lycos.nl/ijmtu/hpbimg/MAX%20machine%20schematic.jpg >> >> Greetings, Sam >> >> Message was sent through the cbm-hackers mailing list > > Message was sent through the cbm-hackers mailing list -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.175 / Virus Database: 270.9.4/1794 - Release Date: 11/17/2008 8:48 AM Message was sent through the cbm-hackers mailing list
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