Model 200 RAM: Difference between revisions
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The model 200 comes with 24k built in, and supports up to | The model 200 comes with 24k built in, and supports up to 2 more banks of 24k in the form of ceramic dip modules that plug into the Option RAM #1 & #2 sockets. | ||
The original 24K module was Catalog Number 26-3866. | |||
Here is an open source design for a new compatible module. Actually it's a few different varaitions of modules to suit different chips availability, and different user skill at hand soldering. | |||
This is new and not yet tested, but the circuit is simple. | |||
https://github.com/bkw777/TANDY_200_RAM | |||
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This module, designed by Steven Adolph, adds both possible optional 24K banks, for a total of 3 banks when installed. | This module, designed by Steven Adolph, adds both possible optional 24K banks, for a total of 3 banks when installed. | ||
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[https://photos.app.goo.gl/g1G4bo6FbjJSgcqU2 More Pics] | [https://photos.app.goo.gl/g1G4bo6FbjJSgcqU2 More Pics] | ||
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More info | More info | ||
Revision as of 01:09, 17 September 2022
The model 200 comes with 24k built in, and supports up to 2 more banks of 24k in the form of ceramic dip modules that plug into the Option RAM #1 & #2 sockets.
The original 24K module was Catalog Number 26-3866.
Here is an open source design for a new compatible module. Actually it's a few different varaitions of modules to suit different chips availability, and different user skill at hand soldering.
This is new and not yet tested, but the circuit is simple.
https://github.com/bkw777/TANDY_200_RAM
More info