I'm not that familiar with the 6200. I have a 7100 Pentium Pro system and an HX 5120 Pentium system. Does the 6200 have ISA or EISA slots along with...
First board as far as I can see is made by CSS Laboratories (see near ISA slots), with chip date codes of '85. I think it's very unlikely to be based...
You've got the 430FX Triton I chip set. 133MHz is typically the max. Sometimes there are jumper setting for up to 166MHz. I don't recall of any that...
Looking for: OMTI SMS Scientific Micro Systems 8610 or 8627 ESDI ISA drive controller, May also be branded Core HC, Please PM me if you want to part with one.