Dell C8220 owner manual 102

Table 2-1. D4 Token Table (continued)

Token	Setup Option	Description
02A1	C1E State	Enables the processor Enhanced Halt (C1E) state.
		(default)
02A2	C1E State	Disables the processor C1-E state. Do at your own
		risk. When you disable this option, a warning appears
		in the BIOS Setup help text and a pop up message
		appears when this option is changing.
02A9	DRAM Prefetcher	Disables DRAM references from triggering DRAM
		prefetch requests.
02AA	DRAM Prefetcher	Turns on the DRAM prefetch unit in the Northbridge.
02AB	HW Prefetch	Disables hardware prefetcher from considering
	Training on SW	software prefetches when detecting strides for
		prefetch requests.
02AC	HW Prefetch	Enables Hardware prefetcher considers software
	Training on SW	prefetches when detecting strides for prefetch
		requests. (default)
02AD	SR-IOV Global	Enables BIOS support for SRIOV devices.
	Enable
02AE	SR-IOV Global	Disables BIOS support for SRIOV devices.
	Enable
02B6	Memory	Indicates all DIMMs in the system are operating at 1.5
	Operating Voltage	volts.
02B7	Memory	Indicates all DIMMs in the system are operating at
	Operating Voltage	1.35 volts.
02B8	Memory	This setting indicates the memory operating voltage
	Operating Voltage	will be set automatically by the Memory initialization
		code and depending upon the installed DIMM's
		capability and the memory configuration of the
		system. This is the default setting and will set the
		Memory Operating voltage to the POR voltage.
02C5	DCU Streamer	Enables the DCU Streamer Prefetcher. (default)
	Prefetcher
02C6	DCU Streamer	Disables the DCU Streamer Prefetcher.
	Prefetcher

102

Using the System Setup Program