config INTEL_IDLE bool "Cpuidle Driver for Intel Processors" depends on CPU_IDLE depends on X86 depends on CPU_SUP_INTEL help Enable intel_idle, a cpuidle driver that includes knowledge of native Intel hardware idle features. The acpi_idle driver can be configured at the same time, in order to handle processors intel_idle does not support. menu "Memory power savings" depends on X86_64 config I7300_IDLE_IOAT_CHANNEL bool config I7300_IDLE tristate "Intel chipset idle memory power saving driver" select I7300_IDLE_IOAT_CHANNEL help Enable memory power savings when idle with certain Intel server chipsets. The chipset must have I/O AT support, such as the Intel 7300. The power savings depends on the type and quantity of DRAM devices. endmenu