I have 2 326298 rev a boards I don't mind hacking apart and taking pictures of in the name of science. Let me know if you guys need anything. On Feb 18, 2017 3:45 PM, "Bo Herrmannsen" <bo.herrmannsen@gmail.com> wrote: YES that pic helped me solve the dammn RP4 mystery.. on the schematic R51 should have been labeled RP4... it connects to pin 4 of the expansion port which on the pic goes to Rp4 2017-02-18 20:39 GMT+01:00 Santo Nucifora <santo.nucifora@gmail.com>: > I added head-on pics of the 326298 Rev A and C boards. Sadly, the back has > a metal shield soldered onto both boards that will be difficult to remove > and I'd like to keep these as working boards so front pics only. > > On Sat, Feb 18, 2017 at 2:31 PM, Gerrit Heitsch <gerrit@laosinh.s.bawue.de > > wrote: > >> On 02/18/2017 08:15 PM, silverdr@wfmh.org.pl wrote: >> >>> >>> On 2017-02-18, at 09:36, smf <smf@null.net> wrote: >>>> >>>> "The sweet spot is a 250466 board >>>> >>> >>> Precisely… >>> >>> The VIC chip on those boards is a R5, which gives the clearest picture. " >>>> >>> >> Not quite... You can get a clear picture from a 6569R1, 6569R3 or 6569R4 >> (that one is rather rare) as well. The problem on the older boards is >> mostly the modulator. Replace it with a simple video amp and you will have >> a very good picture. Ok, you lose the RF output, but who is using that >> anymore? >> >> >> It also has the 8 pin video port, not 5 pin like the earlier ones. >>>> >>> >>> Which is also not fully correct. Should read "like some of the earlier >>> ones". Not all earlier boards had 5-pin A/V socket. >>> >> >> Even the old KU board already has the 8pin Video out. >> >> Gerrit >> >> >> >> >> Message was sent through the cbm-hackers mailing list >> > > Message was sent through the cbm-hackers mailing listReceived on 2017-02-18 23:01:53
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