IBM Portable Personal Computer
An IBM Portable PC with two 5.25-inch floppy diskette drives installed | |
| Developer | IBM |
|---|---|
| Type | Portable computer |
| Release date | February 1984 |
| Introductory price | US$4,225 (equivalent to $12,790 in 2024) |
| Discontinued | April 1986 |
| Operating system | IBM PC DOS Version 2.10 (disk) |
| CPU | Intel 8088 @ 4.77 MHz |
| Memory | 256 KB (expandable to 640 KB) |
| Storage | One or two half-height 5+1⁄4-inch 360 KB floppy disk drives |
| Display | CGA card connected to an internal 9-inch monochrome (amber) composite monitor |
| Weight | 30 pounds (13.6 kg) |
| Predecessor | IBM Personal Computer |
| Successor | IBM PC Convertible |
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The IBM Portable Personal Computer 5155 model 68 is an early portable computer developed by IBM after the success of the suitcase-size Compaq Portable. It was released in February 1984 and was quickly replaced by the IBM Convertible, only roughly two years after its debut.