*[https://lennartb.home.xs4all.nl/coreboot/col2.html A brief history of the PC platform from 1981 to 2011]
*[https://devtidbits.com/2008/04/26/dosbox-sound-emulation/ DOSBox sound emulation]
*[https://youtu.be/Vmf2oRKiR2A La PicoGUS et la Gravis Ultrasound] by [[Rodrik Studio]]
*[https://youtu.be/BMmFcs-_4x4 The Best Sound for MS-DOS Games - Roland MT-32] by [[8-Bit Keys]]
*[https://www.tutorialspoint.com/microprocessor/index.htm Microprocessor tutorial]