Multicomp Hardware

Our Retro-Computer Hardware

MultiComp On EP2C5

• Land Boards EP2C5-DB FPGA Retro-Computer card
  • Attaches to Cyclone_II_EP2C5_Mini_Dev_Board
  • EP2C5 has 26 of 512x9 SRAM blocks
  • Duplicates Grant's design down to the same pin maps
• 6 bit video on VGA (2:2:2 R:G:B)
• 128KB of SRAM for banked use in CP/M
• PS/2 Keyboard Mini-DIN connector
• Connector for serial ports
  • Can attach inexpensive FTDI USB to serial converter
  • Supports hardware handshake for high speed serial
• SD Card
• DC power jack (on FPGA card)

MultiComp On RETRO-EP4CE15

• Land Boards RETRO-EP4CE15 design
  • EP4CE15 Cyclone IV FPGA Card (tested)
  • EP4CE55 Cyclone IV FPGA Card (untested)
  • 5CEFA2F23 Cyclone V FPGA Card (tested)
  • 5CEFA5F23 Cyclone V FPGA Card (untested)
  • 1MB Fast SRAM
  • FTDI FT230XS USB-to-Serial Interface with Hardware Handshake
  • 6-bit (2:2:2) VGA
  • PS/2 connector
  • 5V Power Module
  • 46 I/O connections on 50-pin header

MultiComp On RETRO-EP4

• Land Boards RETRO-EP4 design
  • Attaches to Cyclone II EP2C5 Mini Dev Board
  • 512K Fast SRAM
  • FTDI USB-to-Serial Interface with Hardware Handshake
  • 6-bit (2/2/2) VGA
  • PS/2 connector
  • 5V Power Module
  • Lot of I/O connections

MultiComp On BASE-EP4CE6

• Land Boards BASE-EP4CE6 card is a breakout board
  • Attaches to CoreEP4CE6 FPGA Card
  • Can do up to 16K of Internal SRAM