The Personal System/2 or PS/2 was IBM's second generation of personal computers. The PS/2 line, released to the public initially in 1987, was created by IBM in an attempt to recapture control of the PC market by introducing an advanced proprietary architecture. Although IBM's considerable market presence ensured the PS/2 would sell in relatively large numbers, the PS/2 architecture ultimately failed in its bid to return control of the PC market to IBM. Due to the higher costs of the closed architecture, customers preferred competing PCs that extended the existing PC architecture instead of abandoning it for something new. However, many of the PS/2s innovations, such as the 1440 kB 3.5-inch floppy disk format, 72 pin SIMM, the PS/2 keyboard and mouse ports, and the VGA video standard, went on to become standards in the broader PC market.
The one we have in the museum is a later iteration of the PS/2 line and is actually running Windows 95. It contains two hard drives.