Re: VIC-20 memory expansion

From: William Levak (wlevak_at_cyberspace.org)
Date: 2000-09-05 06:38:12

I designed it myself, so there is no documentation.  Ii's point-to-point
wiring on a project board.  I'll have to make a schematic.  My original
notes are not very readable.

The hardest part is finding a board with the correct edge connector.


On Mon, 4 Sep 2000, Daniele Gratteri wrote:

> On Sunday, 03 September 2000, William Levak wrote:
> 
> >I have built an external 32K memory expansion.  It actually uses only
> >27.5K of the 32K.  It uses a 62256 static RAM and a 74LS11 triple 3-input
> >and gate for address control.
> 
> Uhm, interesting.
> Where can I find an "how to" for building it?
> 
> Ciao!
>         Daniele Gratteri (dan.il.mito@ciaoweb.it - ICQ N° 53943994)
> 
>                            CBM & AMIGA FOREVER!
> 
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