Re: Max Chips..

g.j.p.a.a.baltissen_at_kader.hobby.nl
Date: 2000-09-28 15:46:26

I draw the SCH from papers Marko gave me. If you looked good, you only saw ONE 
2114. 1024*4 is a bit small for a 8 bit bus :) The one piece I'm missing in 
your list is U5, a 6116. HW-guys know this is a 2048*8 RAM. AFAIK you had to 
add the ROM in the form of a cartridge.

Groetjes, Ruud

> 
>   A remarkably simple architecture, this Max Machine thing.
> 
>   CIA (6526), SID (6581), CPU (6510), VIC (6566), PLA (6703), and memory
> (2114) all present.
> 
>   Only thing I can't figure out is a 24 pin job marked "JAPAN 82181R" and
> "M58725P".  That HAS to be the ROM chip, right?  'Cuz it sure isn't anywhere
> else.  If so, what kind of ROM chip is it?  What is it compatible with (so
> that I can try to read the thing with my EPROMMER tonight...).
> 
>   Any Ideas?
> 
>   - Bo
> 
> 
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