IBM Personal Computer 5150

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The IBM Personal Computer model 5150, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It was created by a team of engineers and designers under the direction of Don Estridge of the IBM Entry Systems Division in Boca Raton, Florida.



All models featured:

A choice of either Colour Graphics or Monochrome display adapters were available, the former with a composite output for connection to an ordinary TV.

The vast majority of models shipped had at least one floppy drive, for which IBM used three models:


The 5150 was produced from 12th August 1981 to 1st April 1987 in a number of configurations:

Model Number 83-key Keyboard RAM 5¼" Floppy Drives Motherboard
1 Y 16KB None 16/64KB
14 Y 64KB 1x160KB 16/64KB
64 Y 64KB 1x360KB 16/64KB
74 Y 64KB 2x360KB 16/64KB
104 Y 64KB None 64/256KB
114 Y 64KB 1x160KB 64/256KB
164 Y 64KB 1x360KB 64/256KB
166 Y 256KB 1x360KB 64/256KB
174 Y 64KB 2x360KB 64/256KB
176 Y 256KB 2x360KB 64/256KB
813 Y 48KB 1x160KB 16/64KB
824 Y 64KB 2x160KB 16/64KB
X14 N 64KB 1x360KB 64/256KB
X64 N 64KB 1x360KB 64/256KB
X74 N 64KB 2x360KB 64/256KB
X66 N 256KB 1x360KB 64/256KB
X76 N 256KB 2x360KB 64/256KB

Reference Materials

Disk Images

See Also