*[https://youtu.be/rv-RS4U33ak Amstrad PPC640 System Review] by [[ChinnyVision]]
*[https://www.tutorialspoint.com/microprocessor/index.htm Microprocessor Tutorial]
*[https://youtu.be/7xtqLJH1z10 Personal Computer Graphics in the 1960s and 1970s] by [[Stephen Edwards]]
*[https://lennartb.home.xs4all.nl/coreboot/col2.html A brief history of the PC platform from 1981 to 2011]
*[https://wiki.osdev.org/Expanded_Main_Page OSDev Wiki] [https://www.seasip.info/Gem/ Intel GEM]