MTHD: Difference between revisions

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A 74573 is used to split the ADDRESS and DATA singnals and a 138 is used for IO mapping
A 74573 is used to split the ADDRESS and DATA singnals and a 138 is used for IO mapping


[[Image:mthdv1.jpg]]
[[Image:Mthdv11.jpg]]


[[Category:Model T Hardware]]
[[Category:Model T Hardware]]

Revision as of 12:30, 23 February 2009

This project it still under development.

The basic idea for this project is to add a harddrive via the System bus on the 100/102/200

The circut is based on a 8255 which controls the harddrive data and control signals.

A 74573 is used to split the ADDRESS and DATA singnals and a 138 is used for IO mapping

Mthdv11.jpg