Did you have any luck with this or anyone know of it's existence?

This page https://www.taiwanexcellence.org/en/award/product/18494
shows the PC itself and a brief description that gets cut off

All in-one design： Built in VL-Bus VGA,FDC,IDE,Game Port.
With the fast cirrus 5428 graphics controllers integrated right onto the VL-Bus.
Flexible external cache size：0/128/256/512/1M KB.
Memory size up to 64MB.
Aut......

Bios update can be found here
https://www.elhvb.com/supportbios.info/archiv … 9510/index.html

But no real documentation 🙁