With more than just my mouse, kb and DVD plugged into my USB's; the system hangs on boot. (example my powered hub or USB stick causes this) - removing the hub, and the boot continues as normal.Devices all work fine when plugged back in after boot.An...

http://www.asus.com/uk/Motherboards/MAXIMUS_VII_HERO/HelpDesk_Download/ just stability updates apparently - went for it and seems the same 

Well, first off here is a dumb question; I (somehow) am not getting my cpu to slow down to conserve power/heat. I switched on auto overclock while messing about (4.2ghz is nice to have without having to play with any settings), but I generally don't...