SAPI 1.5

It was manufactured from 1990 by Tesla Liberec. The computer was inspired by or was successor to SAPI-1. Hardware is based on U880D.

Parts of this topic may be machine translated.

List of printed circuit boards:

''Board PKT-1'': CPU Z80 with EPROM 2-64 kB, input for keyboard and output for printer, interrupt system.
RSW-1 board: 64K DRAM, RS232 serial line, WATCH-DOG
MFC-1A board: Controller for up to four types of floppy drives, program or DMA control.
DBS-1 board: Color semi-graphic display, up to 2048 characters, 8 foreground/background colors.
RTI-1 board: Interrupt controller, time generator, backed up by 256B sRAM.
SBI-1 bus: System bus for 20 positions with multi-level interrupt.
Bus SBK-1: Compact bus for smaller assemblies, 5 or 7 positions.
Power supply ZDR-1A: Power supply with outputs +5V, +12V, -5V, -12V, +15V.

References