I tried it, but couldn't get it to work. I guess I just have to buy a 400Mhz CPU.
Thank you anyway.
Download
RWEverything. Try portable version.
Boot with your
Pentium M 780.
Press
CPU MSR registers button, press
User list button or F5, type a=0x198, press
Add, type b=0x199, press
Add, press
Done.
Post values of MSR with addresses 0x198 and 0x199.