Acorn BBC Technical Section

BBC Board Information

Schematics, Component layouts and port/connector pin-outs

Title Description Date
BBC Model B circuit diagram Original Acorn circuit schematic for a later Model B PCB (believed to be Issue 2) in two parts (right-click as choose Save Target As - previewing often doesn't work!)


BBC Software

Other Technical Stuff for the BBC

Title Description Date
Superior Disk Protection Guide Superior Software made use of two versions of disk copy protection with their games. This article demonstrates ways around this. DISCLAIMER: This article is not endorsed by Retro Isle unless it is used for the purposes of backing up legally purchased software.  


BBC Firmware

Disassembly of ROM code and other firmware-related articles.

Title Description Date
BBC Forth Disassembly of the BBC Forth ROM, courtesy of