File:486 Baby AT VLB motherboard layout.jpg - Wikimedia Commons
Hauppauge 4860 - GeekDot
PVI-486SP3 ASUS System Board
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
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
Vintage New DFI System 486 Motherboard Main-board P5BTX/1 - Etsy
Have a look at this big beautiful early 486 motherboard I saved from scrap. : r/vintagecomputing
Looking for a working 486 motherboard with PCI slots : r/retrobattlestations