Inside the Decision Mate V: Part II

Article Abstract:

NCR's 8-Bit CP-M-based Decision Mate V (DMV) personal computer runs at 4 MHZ, has 64K RAM, and supports either two 5.25 floppies with 32K bytes of storage each, or one floppy and one 5.25 inch Winchester hard disk with 10M bytes of formatted storage. Unlike most micros, the DMV does not have circuitry for coordinating multiple interrupts. More disturbingly, because of poor wiring in the port selection, it is possible to do hardware damage with software errors. The alphanumeric keyboard provides twenty function keys and includes a four-directional joystick. The screen is the most interesting feature of the DMV. It is based on NCR's 7220 graphics display controller chip. It has functions for drawing lines, arcs, and rectangles, can character or pattern print in sixteen sizes, has zoom and pan capabilities, and can digitize a lighten position.

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Inside the Decision Mate V: Part III

Article Abstract:

The most outstanding characteristic of NCR's Decision Mate V is its graphics. The system's Graphics Display Controller (GDC) can draw lines, arcs, rectangles, dotted lines, and bit patterns. In addition, it can send the picture to the processor for printing and can zoom the display. Overall, the Decision Mate V is an adequate machine, albeit somewhat slow. In order for it to make a dent in the market, however, two things are needed. First, it must be made easier to buy: salespeople should be more knowledgeable, and the price should be lowered somewhat. Second, it needs more sophisticated software, especially to take advantage of its graphics capabilities.

Computer graphics, Decision Mate V (microcomputer)

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Inside the Decision Mate V

Article Abstract:

NCR Corp.'s Decision Mate V (DMV) is the company's first mainstream microcomputer. It is an 8-bit CP-M-based machine. The DMV has three outstanding features. The display, with 640 x 400 pixel resolution and based on the NEC 7220 chip, is very good. Second, it can be upgraded to a 16-bit micro without removing the cover. Third, NCR has purchased the rights to Corvus System's Omninet network. A photograph is included.

product announcement, CP/M

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