Possible Corvus IBM XT Mirror?
snhirsch at gmail.com
Tue Apr 28 06:38:44 CDT 2009
On Mon, 27 Apr 2009, Andrew Lynch wrote:
> Hi! I recently obtained a "mystery" IBM PC board. It has a Z80 CPU, two
> CTCs, 8K of SRAM, and a bunch of 74LS logic. I *suspect* this board is one
> of those VCR backup boards from the early 1980's.
A few years back I had an Alpha Micro VCR backup board, but could never
find software or docs for it. Sellam ended up buying it for one of his
I still have a "no name" VCR adapter somewhere. IIRC, the manufacturer
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