Quote Originally Posted by persivore
I think that the VT1103MF is probably a voltage regulator. It is made by a company called 'volterra', but I don't think I'm going to be able to access the datasheet without signing some sort of NDA
(see here)
Ah ok. I could be. The X1800 voltages can be ajusted by software. They are not fixed anymore. SO i think volmods are gonna be hard.

A other option is a X1800 256 MB XT bios. But no one has it everybody is buying that 512 mb version.