Portable Commodore 64
Roy J. Tellason
rtellason at blazenet.net
Fri Apr 21 15:11:44 CDT 2006
On Friday 21 April 2006 05:53 am, Ethan Dicks wrote:
> On 4/21/06, Roy J. Tellason <rtellason at blazenet.net> wrote:
> > On Friday 21 April 2006 12:35 am, Ethan Dicks wrote:
> > > The two most common failures in my experience are the PLA (82S100 -
> > > identical to the one in a standard C-64) and the keyboard.
> > If I understand this stuff right, "82S100" is the part number for that
> > chip in generic, unprogrammed form. They had a different number for it,
> > 906114-01 or something like that.
> Yes. Someone did work out the fuse map at one point, so if you had a
> suitable programmer and a blank 82S100, you could crank out fresh
That'd be nice...
Not that I have a programmer for those, but that really was a common failure
item in those machines, for some reason.
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