Note Type
General NotesNote
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.
Also known as IBM AT, PC/AT
Manufacturer IBM
Type Personal Computer
Release date August 14, 1984; 41 years ago
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 IBM PC DOS 3.0+
OS/2 1.x
PC/IX 1.1
IBM & SCO Xenix
Windows 1.0–3.1
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/2Note Type
Object Specific InformationNote
This item is fully functional and is currently in use as a test machine so it may have various atypical expansion card installed in it at any particular time.