BBC Micro Model B - DDOS 3.45 + Addnl. Basic testing carried out and all worked as expected. RF/Composite output not tested.
BBC Micro Model B Issue 4 Watford ROM Board SD Card MMFS 1.53
ACORN BBC MICRO MODEL B 1770 OR 1772 FLOPPY DISK UPGRADE KIT INTERFACE GOTEK
Acorn BBC Micro Model B ATPL Sideways Rom Ram Board with 16k Ram Fitted
Acorn BBC Micro Model B - Rare vintage + Econet Interface
BBC Micro Model B Spares And Repair Or Parts Does Not Power On
BBC MICRO MODEL B, MASTER & ELECTRON CASSETTE TAPE RECORDER CABLE / LEAD