TRS-80 Model I modification

[Peter Cetinski]

> On Oct 26, 2018, at 12:34 PM, Bill Gunshannon via cctalk <cctalk at classiccmp.org> wrote:
> 
> Does anyone have a description of how to put 48K of memory in
> the TRS-80 Model I without using an Expansion Interface?  I seem
> to remember there being some published back in the old days
> but can't find anything on the web.  I think it was done with 4164's
> and a few pieces of wire wrap wire to jumper the missing address
> lines.

TRS8BIT Vol 7 Issue 4 Page 32

http://www.fabsitesuk.com/tandy/trs8bit_year07.pdf <http://www.fabsitesuk.com/tandy/trs8bit_year07.pdf>