On 01/15/2018 06:19 PM, Terry Raymond wrote: > Can you put the 1571 better ROM mentioned into a 1541 to improve it? No, the 1571 has some significant hardware differences. You can use the 251968-03 from the 1541-II in a normal 1541 though, just need to split it into 2 images and use adapters on the ROM sockets. Gerrit > > Terry Raymond > > On Jan 15, 2018 9:25 AM, "Gerrit Heitsch" <gerrit@laosinh.s.bawue.de > <mailto:gerrit@laosinh.s.bawue.de>> wrote: > > On 01/15/2018 05:21 PM, Mia Magnusson wrote: > > Den Mon, 15 Jan 2018 13:11:23 +0100 skrev silverdr@wfmh.org.pl > <mailto:silverdr@wfmh.org.pl>: > > > On 2018-01-14, at 20:22, Hegedűs István > <hegedusis@t-online.hu <mailto:hegedusis@t-online.hu>> > wrote: > > one more thing. I have tried to open J3 in one of my > drives but it > did not help. Maybe the sensor doesn't work in it. > > > Read the doc I sent in response to Francisco's post: > > http://d81.de/R.I.P/1541C-to-1541II-diff-03.txt > <http://d81.de/R.I.P/1541C-to-1541II-diff-03.txt> > > While we are at it: Can anyone confirm that the only > difference between > the three 1541 versions is firmware and this sensor (except > differences > that aren't visible to software)? > > I might do the 1541 to 2031LP mod but I only have a 1541-II and a > classic 1541 but with the "1541 C" mechanism, so I'm not sure if > any of > those are suitable for conversion. > > > They should be... I have a Oceanic OC-168 drive that uses the > electronics of the old 'long board' 1541, meaning all TTL, no gate > array. The ROM in it is the one from the 1541-II, meaning a > 251968-03. No, not a copy, I put a real ROM in there. > > So far it works fine. > > Gerrit > > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing listReceived on 2018-01-15 18:02:52
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