Topic summary
IBM AT
Extracted from the Wikipedia article IBM Personal Computer AT.
The IBM Personal Computer AT (model 5170, abbreviated as IBM AT or PC/AT) was released in August 1984 as the fourth model in the IBM Personal Computer line, following the IBM PC XT and its IBM Portable PC variant. It is based on the 16-bit Intel 80286microprocessor; the three earlier systems are all Intel 8088-based. The system sold for approximately US$6,000 (equivalent to $19,400 in 2025).