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 PC 486 motherboard FIC HC-HD with Intel CPU | eBay
JoinData 486 DX motherboard | 102716316 | Computer History Museum
Hauppauge 4860 - GeekDot
Vintage New DFI System 486 Motherboard Main-board P5BTX/1 - Etsy
486 motherboard ID \ VOGONS
Have a look at this big beautiful early 486 motherboard I saved from scrap. : r/vintagecomputing
ECS UM486 II 486 REV 1.0 UMC UM82C482AF 9210-US AT Motherboard 8 ISA Slots - Retro PC Store