Cordata PPC 400 Portable
Photo 1: Syd Bolton, CC BY-SA 3.0, via Wikimedia Commons (Cordata PPC-400-25-200.jpg) Photo 2: Korrupt, CC BY-SA 4.0, via Wikimedia Commons (Mch2022-computermuseum-corona.jpg)
Portable computer, 1984, Corona Data Systems. The Corona PPC-400, later sold under the Cordata name after the company was renamed, is a luggable IBM PC compatible in the style of the Compaq Portable, with a 9" amber screen built into the case and the keyboard clipping over the front. Corona was one of the earliest PC-compatible makers and this machine has an 8088 at 4.77 MHz, 256 KB of RAM and two 5.25" drives, with a high-resolution 640 x 325 text display that was sharper than the IBM standard.
| Years | 1984 to 1986 |
|---|---|
| Processor | Intel 8088 at 4.77 MHz |
| RAM | 256 KB, expandable to 512 KB |
| Display | built-in 9" amber CRT, CGA compatible with high-resolution text |
| Storage | 2 x 5.25" floppy drives of 360 KB; hard disk version PPC-400HD |
| Operating system | MS-DOS 2.11 with GW-BASIC and MultiMate |
| Ports | RS-232, parallel, expansion slots |
| Weight | about 13 kg |
Documentation
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