General MSX links
These links provide information about the MSX system on which the CX5M is based.
https://www.msx.org
https://www.file-hunter.com
CX5M Specific links
Other Information sites on the CX5M.
https://www.faq.msxnet.org/msx1.html#CX5M
http://home.online.no/~eiriklie/CX5MFAQ.html - Offline
FM Synthesis
Various FM-sound sources
FM Synthesis on Wikipedia
The history of FM
The Yamaha DX1
Yamaha’s ultimate FM Hardware
Native’s FM8 Plugin
The ultimate soft-FM emulator
Yamaha DX200
Yamaha’s restyled FM apparatus.