Producer: IBM - Category: Personal Computer
Photos: Photo 1 (small),Photo 2 (small),Photo 3 (small),Photo 4 (small)
Personal computer, 1981, IBM. The IBM PC 5150 is the original IBM Personal Computer, the machine that defined the industry standard.
| Year | 1981 |
| Manufacturer | International Business Machines Corporation (IBM) |
| Model | PC 5150 |
| Processor / coprocessor | Intel 8088 / 8087 at 4.77 MHz |
| RAM | 16 to 256 KB |
| ROM | 40 KB (power-on self test and BASIC) |
| Monitor | 12 inch monochrome CRT (5151), 720 x 350 |
| Storage | 2 x 5.25" floppy disk drives (160 KB each) |
| Video interface | monochrome (MDA) or colour (CGA) |
| Interfaces | RS232C (DB-9 and DB-25), Centronics (DB-25) |
| Expansion | 5 slots |
| Dimensions | 508 (W) x 406 (D) x 140 (H) mm |
| Weight | system 12.7 kg, monitor 7.9 kg, keyboard 2.7 kg |
| Operating system | DOS 1.0, BASIC interpreter |
| Power supply | system 63 W, monitor 95 W |
| Price (1981) | $1,585 to $4,500 |
