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Donn Stewart
13917 Deviar Dr
Centreville, VA 20120

Designing, Building, and Selling Obsolete Computers -- for Educational Purposes -- since 2004

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Disk and Memory Expansion kit.

Price: $36.00

assembled disk and memory expansion kit

This kit adds an IDE disk interface and extra memory to the basic Z80 computer. This allows you to run the CP/M operating system. With CP/M, you have access to hundreds of programs in the public domain. For details, please look at the Disk and Memory Expansion kit instructions.

Many different disk drives can be used with this interface, including mechanical hard disks, solid-state IDE drives, and compact flash (CF) drives in an IDE adapter. You need the Serial Interface kit to operate the computer with the Disk and Memory Expansion.

As mentioned in the kit instructions, you need a number of programs to test the memory expansion, and to load CP/M onto the disk for use in the Z80 computer. Here are the programs for download:







Listings of these files can be found in the Disk and Memory Expansion kit instructions.