*[https://youtu.be/yadWu7hs4MU Oscilloscope comparison of 4 different SID chips]
* [[Media:Mos 6581 sid.pdf|SID chip datasheet]] [https://www.waitingforfriday.com/?p=661 Web version]
* [https://github.com/libsidplayfp/SID_schematics/wiki SID internals documentation]
*[https://www.oxyron.de/html/registers_sid.html Oxyron SID reference]
*[[Media:SID 6581 datasheet.pdf|SID datasheet]]
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[[Category:Non CPC Computers]][[Category:Music and sound|*]]