Can you help me identify this AMD 386-DX40 motherboard? - Retrocomputing Stack Exchange
File:Motherboard Intel 386.jpg - Wikipedia
HP 122368-001 - DESKPRO 486/386 33L Motherboard
Someone gave me a box full of Magitronic 386 and 486 motherboards, most of them are still in what appears to be the original packaging, ESD bags and all. I am not
USED Mystery Circuit Board 386 Motherboard NEC-16T - GridChoice.com
File:386DX40 MB Jaguar V.jpg - Wikipedia
DOS Days - OPTi Hybrid i386/486 Motherboard (1992) - Part 1
Tube Time on X: "this is the LARGEST motherboard i have ever seen. it is 15.75 inches by an incredible 20 inches wide! it absolutely dwarfs the more normal 386 motherboard in