AMX Max Desktop ROM + Mouse for BBC User Port. for Acorn BBC A B Master 128.
20 way IDC Extension cable for BBC User Port, approx. 1m length
20 way IDC Extension cable for BBC User Port, approx. 60cm length
Acorn BBC User Port Splitter / Switch by Watford Electronics
BBC Micro Computer AMX Super Art ROM 5.25" Floppy Disc User Guide Boxed Vintage
USB to AMX Mouse Adapter BBC Micro + Quadrature Pinout - True USB
Vintage Acorn BBC Master 128 Computer with Econet, MMFS and User Port Switch
