IBM Personal Computer AT
| Also known as | IBM AT, PC/AT |
|---|---|
| Manufacturer | IBM |
| Type | Personal Computer |
| Release date | August 14, 1984 |
| Lifespan | 1984–1987 |
| Introductory price | Approx. US$6,000 (equivalent to $18,900 in 2024) |
| Discontinued | April 2, 1987 |
| Units sold | >100,000 |
| Operating system |
|
| CPU | Intel 80286 @ 6 and 8 MHz |
| Memory | 256–512 KB onboard + 3.5 MB with additional memory cards |
| Storage | 20 MB hard drive 1.2 MB HD 5.25" (135 mm) floppy drive |
| Graphics | CGA, EGA |
| Input | Parallel, serial |
| Power | 120/240 VAC |
| Predecessor | IBM Personal Computer XT |
| Successor | IBM Personal System/2 |
| Related | List of IBM Personal Computer models |
The IBM Personal Computer AT (model 5170, abbreviated as IBM AT or PC/AT) was released in 1984 as the fourth model in the IBM Personal Computer line, following the IBM PC/XT and its IBM Portable PC variant. It was designed around the Intel 80286 microprocessor.