IBM PC

IBM Model 5150
UNIT SOLD = 100,000+

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.
 
The price in 1984 was US$6000
Operating system
IBM PC DOS 3.0+
  • Model 5170
  • Intel 80286 CPU
  • 1 x floppie 1.2 MB, 1 x 20 MB Hard drive
  • 256KB 16 MB RAM
  • 1 parallel port
  • 1 serial port

The back of the 5170

The motherboard of the 5170