Can't see any identifiers, but the layout screams "FIC" to me. Doesn't match with any FIC boards I can find though...

https://theretroweb.com/motherboards/s/unknow … n-ver:-a-sis471
https://theretroweb.com/motherboards/s/unknow … -ver:-a-opti895

THIS ONE or THAT ONE

they look a like. but both wrong chipset

Wow, looking at tracks around the chips it sure does look like they all are fully pin compatible with each other? 😮
PCB looks identical, tracks identical
SiS 85C471 https://theretroweb.com/chip/documentation/85 … 87929110712.pdf
OPTi 82C895 no datasheet
VT82C496G https://dosdays.co.uk/media/via/VIA_82C496G.pdf

SiS 85C407 no datasheet
OPTi 82C602 Data Buffer/RTC https://theretroweb.com/chip/documentation/82 … 0c176149873.pdf
VT82C416 pins inside VT82C570M datasheet https://datasheetspdf.com/pdf-file/843974/VIA/VT82C570M/1

but pinouts dont patch neither between 85C471 and VT82C496G nor VT82C416 and 82C602. What gives?

hmmm, that *might* mean that the jumper settings are the same to. but none of the above boards have docus with the settings 🙁

Perhaps an elaborate effort to sell some knock off chips? It's not the only time this has happened right?

Dump that bios...

I can find that board for sale on a German site, but can't find any documentation for it anywhere.... still looking though.

Finding a good number of "very similar"486 boards, both with that VIA VT82C496G (Pluto) chipset and not.

Hate it when jumper settings are not printed right on the board. 🙁

https://www.kleinanzeigen.de/s-anzeige/486er- … 537098-225-1736

That is the Board i want to buy. 😅 But he has No documentation and i said, i try to find some. Was Not Lucky Til now.