Uknc - China Medical Bandage - China Medical Supplies Bandages

Hardware

Hardware

CPU: KM1801VM2 @ 8 MHz

Peripheral processor: KM1801VM2 @ 6 MHz (in newer models; or 4 MHz in early models, according to documentation)

CPU RAM: 64 KB

PPU RAM: 32 KB, ROM: 32 KB, video RAM: 96 KB (3 planes 32KB each, each 3-bit pixel had a bit in each plane)

Keyboard: 88 keys

built-in LAN controller

built-in controller for special tape-recorder with computer control (to use for data storage, usually 5-inch FDD's were used)

An interesting part of the design is the usage of a peripheral processing unit (PPU). UKNC did not have full-featured controllers for display, LAN, keyboard, clock, in-hardware debugger etc. Instead, the PPU configured peripheral devices and managed their events. In other words, the PPU simulated all the controllers.

The computer was released in 3 sub-models: 0511, 0511.1, 0511.2. The 0511.1 model, intended for home use, had a power supply for 220V AC, while others utilized 42V AC. The 0511.2 featured new firmware with extended functionality and changed the marking of the keyboard's gray keys, compared to the initial version. The photo shows an 0511.2 variant.

There was no active cooling, and at least the 0511.2 variant tended to overheat and halt after several hours of operation.

The case and keyboard (with changed markings) were re-used to produce an IBM PC clone, though less well-known than the once famous Poisk computer.

Software

Operating system: RAFOS, FODOS (RT-11 clones) or RT-11SJ/FB

LAN control program

Programming languages:

BASIC (Vilnius BASIC)

Fortran

Pascal

Modula-2

C

Assembler

Rapira

E-practicum

Logo

Prolog

Forth

FOCAL

See also

Elektronika BK-0010

SM EVM

DVK

External links

UKNC emulator project; contains RT-11 images

vde

List of Soviet computer systems

A Agat Aragats Argon ATM Turbo BESM Besta Dnepr Dubna 48K Elbrus UKNC DVK Elektronika BK Elektronika 60 Electronika 85 Electronika SS BIS Electronica MC 1502 Electronica MC 1504 ES EVM ES PEVM GVS-100 Hobbit Iskra Irisha Kiev KVM-1 Korvet M-1 M MESM Micro-80 Microsha Minsk Mir Nairi Orion-128 Pentagon Poisk Promin PS-2000, PS-3000 Razdan Radon Radio-86RK Scorpion Setun SM EVM Sneg Specialist Strela SVS TsUM-1 UM Ural Vector-06C Vesna

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vde

Categories: Soviet computer systems | Microcomputers | Computing in the Soviet Union | PDP-11 | Computer hardware stubsHidden categories: Articles containing Russian language text

by: gaga

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