XT-IDE Modification for 32K EEPROM
Instructions to modify XT-IDE to support a 32K EEPROM. (28C256)

Bill Lewis - Rev 1 - 02 AUG 2010

This modification relates to the XT-IDE project of the Vintage Computer forum.

XT-IDE Project

Vintage Computer Forum

XT-IDE Universal BIOS

The modification adds jumper selection of A13 and A14 to the decoder and the EEPROM to permit the use of a 32K (28C256) memory.

Download the full Instructions.

PDF of updated KiCad schematic.


Photos Mentioned in the Instructions
(click on a picture to enlarge)

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