Maximum UDMA mode on T-20

[Dusty the Cat]

What limits this to mode 2, is it the BIOS, Chipset? I'd like to increase this to take advantage of the 100 mHz FSB.
Has anyone ever loaded a T-23 BIOS into a T-20 machine? What happens?
Thanks, in adavnce for any replys,

[dsvochak]

BIOS, Chipset

Chipset

Has anyone ever loaded a T-23 BIOS into a T-20 machine? What happens?

Haven't done it and wouldn't try. The possibility, however unlikely, that it may turn a T-20 machine into a paper weight is sufficient to dissuade me from the experiment.