Re: TRS-80 Model I modification

2018-10-26 Thread Bill Gunshannon via cctalk
On 10/26/18 2:07 PM, Peter Cetinski wrote: On Oct 26, 2018, at 12:34 PM, Bill Gunshannon via cctalk mailto:cctalk@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

Re: TRS-80 Model I modification

2018-10-26 Thread Peter Cetinski via cctalk
> On Oct 26, 2018, at 12:34 PM, Bill Gunshannon via cctalk > 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 th

TRS-80 Model I modification

2018-10-26 Thread Bill Gunshannon via cctalk
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