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Using the System Setup Program 129
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
Training on SW
Disables hardware prefetcher from considering
software prefetches when detecting strides for
prefetch requests.
02AC HW Prefetch
Training on SW
Enables Hardware prefetcher considers software
prefetches when detecting strides for prefetch
requests. (default)
02AD SR-IOV Global
Enable
Enables BIOS support for SRIOV devices.
02AE SR-IOV Global
Enable
Disables BIOS support for SRIOV devices.
02B6 Memory
Operating Voltage
Indicates all DIMMs in the system are operating at 1.5
volts.
02B7 Memory
Operating Voltage
Indicates all DIMMs in the system are operating at
1.35 volts.
02B8 Memory
Operating Voltage
This setting indicates the memory 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
Prefetcher
Enables the DCU Streamer Prefetcher. (default)
02C6 DCU Streamer
Prefetcher
Disables the DCU Streamer Prefetcher.
Table 2-1. D4 Token Table
(continued)
Token Setup Option Description