free underclocking program anywhere?

[SonyStyle]

where can i find a free underclocking program for my nx 70 and nz90? i need it for my nz90 is underclock the camera application, its draining all the battery

[GodOwnsAnNX80]

I've been using the demo PXAClocker for free for a while now. You have to manually start it after any soft reset, unless you want to pay for the full verison.