Mainframe CPU Microprocessor (1986)

Internal chips from processor unit of an IBM mainframe computer mounted on ceramic square.

Chip square, frame and top cover unit. Smaller chip is a Pentium chip and socket for comparison.


 Top view of Chip square in its metal frame unit, reassembled.


History of Computing

An Encyclopedia of the People and Machines that Made Computer History

Copyright © 1982-2000, Lexikon Services "History of Computing" ISBN 0-944601-78-2

See Photo Copyright Info

Return to Gallery Index