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N > NCR  > Decision Mate V   


NCR
Decision Mate V

An other CP/M / MSDOS hybrid system. This computer had no great commercial success.

The Decision Mate V came with 128 KB of RAM, but could be upgraded to 256 or 512 KB with expansion cards. The serial and Centronics interfaces were not on the mainboard, but were added as expansion cards. An additional card with a 68000 was developed by NCR in order to use CP/M 68.

There were 7 expansion slots. An optional diagnostic card was available for slot 6. Otherwise, diagnostics were produced through 6 red LEDs on the back of the case, above the volume control.

The computer had two floppy drives, or only one + a Winchester hard drive mounted in the second bay.

A network called 'DecisoNet' was designed to link together several Decision V.

_____________

Contributors: Sebastian Rho.



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I too was a proud owner of a DM-V$ I was working for NCR in Dayton when it was released but purchased it through the NCR Credit Union after transferring back to the field in Boise, Idaho in 1981. Great machine, but a little before its time. It had a unique boot system which made in incompatible with the IBM machines. It had fantastic graphics (from NEC) with 8 colors instead of the 4 colors that IBM had. I relocated the BIOS code in mine and tweaked it to use the 8 color display. I was able to run any PC app that used standard BIOS calls and did not rely on direct memory addressing. I demoed the machine at several Food $ Drug trade shows in Boise, Seattle, and San Francisco and could have sold several except it wasn''t supported by NCR. It really blew away the IBM in direct competition running the same software

          
Monday 21st November 2016
Neil Jarvis (United States)

I bought a second hand DM-V in about 1985, it was my first "Real" computer. It had the 10MB hard disk with two 5MB partitions, It would boot into CPM on the first partition but, if you used a DOS boot disk, you could access the second partition. I chose this computer becauser included in the bundle was a COBOL compiler and I wanted to teach myself COBOL.
I only had it for a year, trading it in for a ''286 clone.

          
Friday 12th August 2016
Lyall D (New Zealand)

I was an NCR employee for 33 years and served under Don Coleman in Millsboro, De, having transferred from NCR WHQ, Dayton. After Deleware, I transferred to Liberty, SC, and was one of 8 that transferred U.S. production of the DM-V fron Augsburg to Liberty, (E$M-Clemson), SC. Coleman was one of the best NCR people I ever worked under.

          
Saturday 13rd June 2015
Paul C Daily (United States)

 

NAME  Decision Mate V
MANUFACTURER  NCR
TYPE  Professional Computer
ORIGIN  U.S.A.
YEAR  1984
BUILT IN LANGUAGE  None
KEYBOARD  Typewriter type 91 keys with 20 programmable function keys and numeric keypad
CPU  Zilog Z80 - Optional Intel 8088 or Motorola 68008
SPEED  4.88 MHz (8088) / 4 MHz (Z80)
RAM  64 kb, 128 kb, 256 kb or 512 kb depending of models (through expansion cards)
VRAM  32 KB (monochrome mode) or 96 KB (colour mode)
ROM  Unknown
TEXT MODES  40 or 80 columns x 25 lines
GRAPHIC MODES  576 x 432 dots
COLORS  Monochrome built-in display (green / black)
SOUND  Beeper
I/O PORTS  Centronics, RS232, 7 expansion slots
BUILT IN MEDIA  One or two floppy disk drives (320 KB each), 10 to 30 MB hard disk
OS  MSDOS 2.1, CP/M or CP/M 86 or CP/M 68K
POWER SUPPLY  Built-in power supply unit
PRICE  Unknown


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