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P > PRAVETZ > 16A     


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.
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I have a working pravetz 16 In Bulgaria.If anyone is interested write me on zoom.ab@abv.bg

          
Wednesday 13rd October 2010
Todor (Bulgaria)

 

NAME  16A
MANUFACTURER  Pravetz
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)
VRAM  16 KB
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)
COLOrsc  16
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).
POWER SUPPLY  Built-in PSU
PRICE  About 8000 leva (4100 )





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