Select your machine:
PS/1 Model 2011 (286@10MHz, 1990)
PS/1 Model 2121 (386@16-20MHz, 1991)
PS/1 Model 2123 (386@20MHz, 1992)
PS/1 Model 2133, 2155, and 2168 (386 and 486, 1992-94)
or download everything in a single compressed file: IBM_PS1_archive_20190419.7z (280MB)
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