1config PCH 2 bool "Enable Platform-controller Hub (PCH) support" 3 depends on X86 || SANDBOX 4 help 5 Most x86 chips include a PCH which is responsible for handling 6 parts of the system not handled by that CPU. It supersedes the 7 northbridge / southbridge architecture that was previously used. The 8 PCH allows for higher performance since the memory functions are 9 handled in the CPU. 10