IBM mainframes are known for very unusual terminals. But IBM made many different things, including the IBM 3151 ASCII terminal, which uses a cartridge to emulate a VT220 terminal. [Norbert Keher] has ...

We like to talk about how most of our computers today would have been mainframes a scant 40 or 50 years ago. Because of that, many people who want to run IBM mainframes such as the IBM 360 or 370 use ...

Recently, a Reddit user discovered a rare RCA Spectra 70/35 computer control panel from 1966 in their family’s old collapsed garage, posting photos of the pre-moon landing mainframe component to the ...