I was given a cranky 486 that was headed out for recycling, and at first glance it seems pretty normal...but looks can be deceiving.
LA Times article: https://www.latimes.com/archives/la-xpm-1991-10-05-fi-3371-story.html
DB13W3 connector image: https://commons.wikimedia.org/wiki/File:13W3_Stecker.jpg
Motherboard specs: http://www.arvutimuuseum.ee/th99/m/M-O/31745.htm
Micronics acquired by Diamond Multimedia article: https://www.cnet.com/news/graphics-merger-joins-allies
Matrox MAGIC card information: http://www.vgamuseum.info/index.php/cpu/item/200-matrox-magic-rgb
Microsoft Mouse image: https://commons.wikimedia.org/wiki/File:Mouse_Microsoft_PS2.jpg
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Music by Lakey Inspired (http://www.soundcloud.com/lakeyinspired) and Epidemic Sound (http://www.epidemicsound.com).
Intro music by BoxCat Games (http://www.box-cat.com).