Electron User Port & ROM/RAM board with UPURS

The Electron User Port & ROM/RAM board was designed by Martin Barr and has support for his BBC Micro transfer system UPURS built directly into the board.

The Electron User Port & RAM/ROM board with UPURS

The board was designed in 2012 after the successful creation of the UPURS disc transfer system for the BBC Micro and was originally intended to provide user ports that would then allow for the UPURS custom cable to be connected and used with the Acorn Electron. Through the design process, the UPURS cable was incorporated into the board in order that a direct connection between a PC and the board using a suitable RS-232 connection could be made.

Martin distributed the board as a self assembly board and I documented my build process showing how I constructed the board which can now be found in the Electron UPURS User Manual.

Using the board with UPURS

The board simply fits into the Electron Plus 1 (or similar expansion unit) and provides two user ports and a built in UPURS RS-232 serial interface. The UPURS ROM image must be installed into an available socket on either the User Port Expansion board or another expansion card that supports fitting ROMs for the UPURS socket to work.

A shot of the Electon User Port expansion board fitted to the Electron Plus 1

Using the Electron User Port expansion board is as easy as using UPURS for the BBC Micro. The video below shows me loading and playing Cylon Attack using a UEF tape image being streamed from a PC to the Electron.

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If you want UPURS and can't make the cable or create an EPROM or you want an Electron User Port expansion board but don't have the skills to build it, Martin has enlisted a handful of volunteers that can help you with that.

Just contact Martin and he can put you in touch with someone that can build what you need.

Get Involved!

Sign up on the Stairway To Hell forums and follow this thread to get involved in beta testing the latest updates to UPURS!

UPURS Downloads

Version 1.0E of the UPURS suite is the first release for the Electron and provides disc imaging and direct play facilities and is the equivalent of UPURSv5.0 on the BBC Micro.

UPURS Resources

Client Software

  • Hercules - for Windows
  • CuteCom - for Linux and Mac
  • UPTX - A DOS batch file to transfer ssd's to the BBC Micro without needing terminal software

UPTX was written by Dave Ault. The UPTX batch file will need minor edits to conform to your environment by specifying the correct COM port. Type UPTX /? for more information.

FTDI USB Drivers

NOTE: Drivers  prior to version 2.08.15 ar incompatible with UPURS and UPCFS. The latest WHQL approved drivers are 2.08.24 and should work fine.