> On 2018-11-09, at 22:59, William Levak <wlevak@SDF.ORG> wrote: > > As far as I know 901227-01, 901227-02, and 901227-03 are interchangeable. Yes, they are. Basically the last one has some bugs of the earlier ones corrected but one can still use the older ones if she misses for example POKE'ing colour RAM along with every SCREEN POKE ;-) > Commodore did not necerssarily change the ROMs and system boards at the same time. In addition, many older C64s were upgraded when new ROMs became available. True. CBM was known to load whatever they had at hand into their machines. So some newer boards may still have older chips. Except the narrow boards, that is... -- SD! - http://e4aws.silverdr.com/Received on 2018-11-10 02:00:08
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