Acorn

BBC Master 512 User Guide (PDF)
BBC Master Welcome Guide (PDF)
BBC Master Service Manual (RTF)

RetroClinic DataCentre Manual (PDF)

BBC 128K RAM ROM Board by IFEL – Install Guide (PDF)

Adapt

Adapt RGB video interface for the ZX Spectrum (JPG) – Thanks to retrogamescollector.com for sending me this document!

E-MU

Audio Production Studio & APS E-Card (PDF) – I also have the original CD that came with this. Contact me if you would like a copy.