Project Description

Magic-1 is a completely a home built minicomputer that doesn’t use an off-the-shelf microprocessor, but instead has a custom CPU made out of 74 Series TTL chips.

Magic-1

Magic-1 – Homebuilt computer

Parts

Altogether there are more than 200 chips in Magic-1 connected together with thousands of individually wrapped wires. There’s a ANSI C cross-compiler for Magic-1(retargeted LCC), a fully multi-user, multi-tasking port of the Minix 2 operating system.

 

ALU Front

ALU Front

ALU Back

ALU Back

Magic-1 has an ethernet interface using WIZ830MJ. WIZ830MJ is development board for Wiznet’s W5300 – which is seentially a TCP/IP stack on a chip.

Magic-1 + WIZ830MJ

Magic-1 + WIZ830MJ

You can also hear the explanation of the Magic-1 through YouTube. Here is the YouTube link.

 

 

 

Author:
Bill Buzbee.

Author Blog:
https://plus.google.com/+BillBuzbeeHMB/posts

For more information about the project:
http://www.homebrewcpu.com/

Full schematics:
http://www.homebrewcpu.com/Magic1.pdf