DOS Days - OPTi Hybrid i386/486 Motherboard (1992) - Part 1
Identify this 486 motherboard! \ VOGONS
Vintage PC 486 motherboard FIC HC-HD with Intel CPU | eBay
File:486 Baby AT VLB motherboard view.jpg - Wikimedia Commons
100% Ok Original Motherboard Fanless Pcm-4862 Rev.a3 Cpu Board 486 Industrial Mainboard Pc/104 Sbc Pci Slot Pc104 With Cpu Ram - Industrial Computer & Accessories - AliExpress
Have a look at this big beautiful early 486 motherboard I saved from scrap. : r/vintagecomputing
TMC PAT48PL (New) 486 motherboard with 8 ISA slots. Baby AT. Can take up to a 486 DX50. 8ISA slots. 8 30Pin SIMM sockets. OPTI F82C206L and OPTI 82C496 B1 chipsets. AMI