On 2012-11-26, at 21:12, Gerrit Heitsch wrote: >>> Also, some people claim, that the old clock generator (74LS629 and MC4044P on the 250407 boards) produces less jitter than the 8701. >> >> In any case I would be glad to put my hands on one "Japan board" of those.. The problem is that I can't buy all 64s of eBay in hope that one of them has inside the board I want ;-) >> And sellers usually don't know and don't want to open the machine to take a photo.. > > Well, the 250407 is one of the older boards, usually found in C64 from '83 and '84. Try to hunt down a C64 with the light brown F-keys (VIC20-keyboard), those have that board. You might even get one with a 6569R1 (or R3) VIC in ceramic. :) I have one of those R3 beauties ;-) but while it is a jewel in terms how it looks on the board and seem to run less hot than the R5, I am not particularly impressed with what it delivers on screen. I believe it is its luma levels: some colour combinations look odd to me on the R3. > Like this one: > > http://biosrhythm.com/wp-content/uploads/2012/01/arduino64kb1-840x575.jpg Yup, tnx. -- SD! Message was sent through the cbm-hackers mailing listReceived on 2012-11-26 22:00:05
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