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6,654 pages: 1,289 machines, 702 software, 460 companies, 64 history, 17 articles, 59 fun. 4,336 media files so far; references to files not downloaded yet are left out. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
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Claude Opus 5.5
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---
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title: Pravetz 16A
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categories:
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- Computers
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types:
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- Home Computer
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origins:
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- Bulgaria
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years:
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- '1989'
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cpus:
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- Intel 8088
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params:
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name: 16A
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company: /companies/pravetz
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company_name: Pravetz
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specs:
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- label: NAME
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value: 16A
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- label: MANUFACTURER
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value: Pravetz
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- label: TYPE
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value: Home Computer
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- label: ORIGIN
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value: Bulgaria
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- label: YEAR
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value: '1989'
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- label: BUILT IN LANGUAGE
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value: BasicA (Bulgarian version of GW-Basic)
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- label: KEYBOARD
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value: Full stroke keyboard, 85 keys,latin\\cyrilic keys.
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- label: CPU
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value: Intel 8088, or 8088-2
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- label: SPEED
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value: 4.77 Mhz or 8 Mhz
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- label: CO-PROCESSOR
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value: 8087 math. co-processor (optional), Motorola 6845 video controller
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- label: RAM
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value: 256, 384, 512 or 640 KB (optional 256KB extension card available)
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- label: VRAM
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value: 16 KB
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- label: ROM
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value: three
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- label: TEXT MODES
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value: 40 x 25 / 80 x 25
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- label: GRAPHIC MODES
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value: 160 x 100 (16 colors), 320 x 200 (4 colors), 640 x 200 (monochrome)
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- label: COLORS
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value: '16'
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- label: SOUND
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value: Internal PC speaker
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- label: SIZE / WEIGHT
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value: Unknown
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- label: I/O PORTS
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value: Power supply, keyboard, Centronics, RS232c, Video out, Video TV output, 8 expansion slots
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- label: BUILT IN MEDIA
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value: |-
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Two 5.25'' disk drives (360 KB each), 2S/DD disks, 40 tracks, 9 sectors\
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Hard disk optional
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- label: OS
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value: SPS-DOS 3.30 (Bulgarian version of IBM DOS 3.30).
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- label: POWER SUPPLY
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value: Built-in PSU
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- label: PRICE
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value: About 8000 leva (4100 )
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comments:
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- author: Todor (Bulgaria)
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date: Wednesday 13rd October 2010
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text: I have a working pravetz 16 In Bulgaria.If anyone is interested write me on zoom.ab@abv.bg
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oc_id: 615
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source:
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url: https://web.archive.org/web/20230604040936/http://www.old-computers.com/museum/computer.asp?c=615
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date: '2023-06-04'
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---
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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.
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The latest models were powered with a NEC microprocessor (at approx. 12 Mhz). They had a Bulgarian BIOS and DOS.
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The following software was available:\
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-programing languages (BASIC-16, PASCAL, Cobol,Ada);\
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-dBASE systems (Micro-PC-2);\
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-Text editors (Text-16, MicroTEXT-16, DOKS-2);\
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-Electronic schedules (Superplan-16, MicroPLAN/16);\
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-information-searching systems (INFOS);\
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-Administration automatisation (MIS);\
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-Integrated products (MULTIPACK);\
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-Machine graphics;\
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-CAD (GraphCAD, PLOT-1);\
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-communication utilities;\
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-learning&enjoy programs;\
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-specialised products.
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---
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**Bogomil Alexandrov** reports:\
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Pravetz 16 was part of the **MIK-16** family of computers, which included:\
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\- Pravetz 16 (the one on the picture, 4.77Mhz)\
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\- Pravetz 16A (1x Floppy, 1x 5MB HDD)\
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\- Pravetz 16H (improved one, 8Mhz, 1 or 2 Half size floppies + 1x HDD 20MB - half size)\
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\- Pravetz-286\
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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.
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**Todor Kirilov** adds:\
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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.
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<table> <tr> <td></td> <td>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.</td> <td></td> </tr> </table>
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