5140 PC Convertible 5155 Portable PC
The Creation of the IBM PC (by David J. Bradley)
Minuszerodegrees.net 51xx and 4860 stuff (external) The IBM PC, 41 Years Ago early design stages (by Michal Necasek, external) Original PC drawings (10 Aug 1980) (from Michal's page)
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Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek. Last update: 29 Nov 2023 - Changelog | Legal Info & Contact