Surprisingly looking for some components on ebay I came across this ad:

https://www.ebay.it/itm/224884868376

since I have pretty much the same components as yours apart from voodoo2, could you help me decipher this thing:

"...The autoexec.bat file was also pre-tuned to improve the vram from 55 to 78 MHz with 0 wait states. This ability is specific to these S3 chips and very unusual for the time period. It noticeably improves (non-3D) game performance and general snappyness of the Windows GUI..."