Fractals on an IBM 1401 mainframe (2015)(righto.com)24 points by gattilorenz 3 years ago | 8 comments
Undocumented 8086 instructions, explained by the microcode(righto.com)220 points by kens 3 years ago | 75 comments
A CT scanner reveals surprises inside the 386 processor's ceramic package(righto.com)288 points by robin_reala 1 year ago | 95 comments
Two interesting XOR circuits inside the Intel 386 processor(righto.com)82 points by _Microft 2 years ago | 13 comments
Tracing the roots of the 8086 instruction set to the Datapoint 2200 minicomputer(righto.com)113 points by matt_d 3 years ago | 42 comments
The origin and unexpected evolution of the word "mainframe"(righto.com)127 points by todsacerdoti 1 year ago | 37 comments
