Commodore 128 D Iron case
Photo 1: Esocop
Home computer, 1987, Commodore. The Commodore 128DCR ("D Cost Reduced") is the metal-case version of the 128D introduced in 1987, mainly for the North American market: it drops the handle and the fan, uses a redesigned motherboard with 64 KB of video RAM for the 80 column display and integrates the 1571 drive.
| Years | 1987 to 1989 |
|---|---|
| Manufacturer | Commodore Business Machines |
| Processors | MOS Technology 8502 at 2 MHz and Zilog Z80 at 4 MHz for CP/M |
| RAM | 128 KB, expandable with the 1700/1750 RAM Expansion Units |
| ROM | 64 KB (BASIC 7.0, KERNAL, machine language monitor) |
| Graphics | VIC-II (40 columns) and VDC 8568 (80 columns, 64 KB video RAM) |
| Sound | SID 8580, 3 voices |
| Built-in storage | 1571 double-sided 5.25" floppy disk drive (340 KB) |
| Ports | 2 control ports, expansion port, serial bus, user port, cassette port, RGBI video, RF and audio/video output |
| Operating systems | Commodore BASIC 7.0, C64 mode, CP/M 3.0 |
| Case | sheet metal, detachable keyboard, no fan |
Documentation
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