On 01/15/2018 05:21 PM, Mia Magnusson wrote: > Den Mon, 15 Jan 2018 13:11:23 +0100 skrev silverdr@wfmh.org.pl: >> >>> On 2018-01-14, at 20:22, Hegedűs István <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 > > 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 listReceived on 2018-01-15 17:03:23
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