🚀 go-pugleaf

In article <gate.acDyoB1w165w@toz.buffalo.ny.us> cyberman@toz.buffalo.ny.us (Cyberman) writes:
>
>     -=> Sjhill@waikato.ac.nz spoke of "C64 dc supply ?" <=-
>    To All at 08-02-92  14:09
> Sj> Perhaps this is an often asked question,
> Sj> 
> Sj> We're  looking at constructing a tracked robot , with a C64 'brain',
> Sj> and we  were wondering about the details of running a Commodore 64 via
> Sj> a DC  battery ( something along the lines of a radio-controled car
> Sj> battery ). 
> Sj> Ideally we'd like not to have to modify the motherboard. Any hints
> Sj> would be  appreciated.
>
OB>The C64 supply provides 9vac and 5volts positive power.  You
>would have to examine the internal circuitry that uses this to
>see what power it was used to generate.
>

It looks like from the schematic that the 9v is used, after being regulated,
for the video stuff and the clocks.  It also supplies +12v to the video chip.
The 60hz is used to drive the TOD clocks on the cIA chiips, but I don't
know if these are neccesary.




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    |   +Jonas Klein                 |  "Place clever       |