IBM maintains an awesome archive of its history, collecting various documents and media it's released since being founded in 1911. We were especially intrigued by this 1970 press release singing ...

What happens when a big university hospital's data center needs a mainframe printer fixed, and the IBM tech makes one tiny little mistake? Topics Spotlight: Advancing IT Leadership ...

IBM System/370: In 1964, with its System/360 mainframe, IBM promised that customers wouldnt have to rewrite their software when they bought the next version of the machine it would be compatible.

For example, the IBM PowerPC (a RISC architecture) has an ISA of a similar size to the IBM System 370 (a CISC architecture). Meanwhile, the DEC PDP-8 (a CISC architecture) only has 8 instructions.

The actual computers in question were a pair of IBM System/370 mainframes that each had 4 MB of RAM. There were also banks of 3330 disk drives that used removable disk packs of — gasp ...

The IBM mainframe line that superseded System/370. Introduced in 1990, the 32-bit System/390 was an evolution of the Enterprise System Architecture introduced with the System/370.

IBM has threatened mainframe emulator TurboHercules with a lawsuit for allegedly violating its patents, ... TurboHercules sells an implementation of the open-source Hercules System/370, ...