IBM Portable Personal Computer
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.
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 $11,900 in 2022) |
| 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 |
| Mass | 30 pounds (13.6 kg) |
| Predecessor | IBM Personal Computer |
| Successor | IBM PC Convertible |
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