A Spartan-6 based devboard to emulate different retro-computers.

The hardware design and documentation are licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International.

FPGA cores, the firmware and other software parts are licensed by their own licenses.

• A 25k LE's Spartan-6 FPGA
• RP2040 MCU
• 4x USB Ports
• 2x 2MB 10ns SRAM chips
• 32MB SDRAM chip
• DVI output
• On-board FT812 video processor
• SAM2695 midi synth
• 2x microSD cards
• Tape In/Out interface
• DS3221 RTC
• 1kB EEPROM
• ESP8266 Wi-Fi module
• uBUS expansion connector
• ESP32-S3 as VDAC32 mcu
• CF card

The latest stable PCB revision number is Rev.G.

Warning: RevC,D,F requires a small HW mod

PCB source project: https://github.com/andykarpov/karabas-mini-pcb