"Single instance" machines - test-drb@ccmp.vtda.org

12 Dec 1998

On Fri, 11 Dec 1998 18:50:59 -0800 Larry Anderson &lt;foxnhare(a)goldrush.com&gt;
writes:
...
 In reference to the memory question some VIC/VC REUs
went to 24k (like 
the MSD
one I have here), but there was also the Aprotek RAM 
expander/cartridge
expander which filled every gap, all the contiguous memory (including 
the 3k
portion in lower RAM) as well as the upper 8K Game ROM space. 32k?  I 
think
they gave it a bigger number, maybe by adding the 5k and the ROMS to 
the
'total memory', regardless, the Aprotek one was the ultimate in VIC-20 
expanders... 
Another was the Data20 64k VideoPAK.  This sucker had it all: 64k of
paged
RAM, 40 or 80 column display, and a built in terminal emulator.  Way
cool.
If you purchased yours towards the end of Data-20's life, you got a 
spreadsheet and word processor with it.  Mine, alas, broke last fall.
It won't display 80 columns.  I also lost the software for it. :-(

ANother cool Data-20 product was the Z-80 VideoPAK.  This added a Z-80
cpu, and an 80-column display to the C-64.  It was supposed to run 
CP/M also.  I also have one of these as well (thanks Doug!), but no
software.  Still looking.

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