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P > PRAVETZ > 16A     


This Bulgarian computer was an IBM PC compatible system. It was one of the most powerful computer available at that time in Bulgaria. It was developed by a team of computer engineers ran by professor Angel Angelov.

The latest models were powered with a NEC microprocessor (at approx. 12 Mhz). They had a Bulgarian BIOS and DOS.

The following software was available:
-programing languages (BASIC-16, PASCAL, Cobol,Ada);
-dBASE systems (Micro-PC-2);
-Text editors (Text-16, MicroTEXT-16, DOKS-2);
-Electronic schedules (Superplan-16, MicroPLAN/16);
-information-searching systems (INFOS);
-Administration automatisation (MIS);
-Integrated products (MULTIPACK);
-Machine graphics;
-CAD (GraphCAD, PLOT-1);
-communication utilities;
-learning&enjoy programs;
-specialised products.


Bogomil Alexandrov reports:
Pravetz 16 was part of the MIK-16 family of computers, which included:
- Pravetz 16 (the one on the picture, 4.77Mhz)
- Pravetz 16A (1x Floppy, 1x 5MB HDD)
- Pravetz 16H (improved one, 8Mhz, 1 or 2 Half size floppies + 1x HDD 20MB - half size)
- Pravetz-286
The first version of Pravetz 16 had a built-in Basic on a ROM chip, which loaded if no OS was present. The 16A did not have a built-in Basic.

Todor Kirilov adds:
I used to work on a Pravetz 16H model. Extremely stable, but has some problems with cooling, so i had to open the cover while working. The 20-Mg HDD was a revolution, for almost 4 years the HDD never show any errors. There was a CGA built-in control, and i had a 16-color display. This machine was excellent for making DOS-programing, and was used till the middle of the 90's, mostly in government facilities.

We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.



I have a working pravetz 16 In Bulgaria.If anyone is interested write me on

Wednesday 13rd October 2010
Todor (Bulgaria)


TYPE  Home Computer
ORIGIN  Bulgaria
YEAR  1989
BUILT IN LANGUAGE  BasicA (Bulgarian version of GW-Basic)
KEYBOARD  Full stroke keyboard, 85 keys,latin\cyrilic keys.
CPU  Intel 8088, or 8088-2
SPEED  4.77 Mhz or 8 Mhz
CO-PROCESSOR  8087 math. co-processor (optional), Motorola 6845 video controller
RAM  256, 384, 512 or 640 KB (optional 256KB extension card available)
ROM  three
TEXT MODES  40 x 25 / 80 x 25
GRAPHIC MODES  160 x 100 (16 colors), 320 x 200 (4 colors), 640 x 200 (monochrome)
SOUND  Internal PC speaker
SIZE / WEIGHT  Unknown
I/O PORTS  Power supply, keyboard, Centronics, RS232c, Video out, Video TV output, 8 expansion slots
BUILT IN MEDIA  Two 5.25'' disk drives (360 KB each), 2S/DD disks, 40 tracks, 9 sectors
Hard disk optional
OS  SPS-DOS 3.30 (Bulgarian version of IBM DOS 3.30).
PRICE  About 8000 leva (4100 )




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