Compaq 136521-001 386 SX System Board Motherboard with VGA PS/2 Serial and DB25 | RecycledGoods.com
386SXPIBR2.0 INTEL Motherboard with 9 ISA slots + Intel NG80386SX-16 2048kb - Retro PC Store
File:386 Baby AT motherboard layout.jpg - Wikimedia Commons
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