Hello,
Newb here has anyone ever used this?
https://web.archive.org/web/20090821174402/http://www.xboxisozone.com/downloads/614/cpu-multiplier-unlocker-(overclock-xbox-cpu).html
According to the forums here
https://forums.afterdawn.com/threads/overclock-xbox-cpu-1200mhz.700905/
It was possible to modify CPU speed. I have a hard time believing this since all the mods I have seen on this recently have involved a TSOP flash.