*[[Media:Yamaha v9958 ocr.pdf|MSX2+ GPU - Yamaha V9958]]
*[[Media:Y8950 MSX Audio 198608.pdf|MSX-AUDIO OPL - Yamaha Y8950]]
*MSX-MUSIC OPLL - Yamaha YM2413 [[Media:Yamaha ym2413 frs.pdf|MSX-MUSIC OPLL - Yamaha YM2413Application manual]]
*[https://download.file-hunter.com/Manuals/R800%20User%20Manual.pdf ASCII R800 CPU User Manual (japanese)]