Sun Oracle Sun Server X4-2 Service Manual page 219

BIOS Advanced Menu Options (Continued)
TABLE:
Setup Options
DCU Streamer Prefetcher
DCP IP Prefetcher
Intel Virtualization
Technology
CPU Power Management
Configuration
Power Technology
Intel SpeedStep
Turbo Mode
CPU C3 Report
Options
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled/
Efficient/Custom
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Defaults
Enabled
Enabled
Enabled
Efficient
Enabled
Enabled
Disabled
BIOS Setup Utility Menu Options
Description
Enable prefetching of next L1
data line based on multiple loads
in same cache line.
Enable prefetching of next L1
line based on sequential load
history.
When enabled, a Virtual Machine
Manager (VMM) can utilize the
additional hardware capabilities
provided by Intel Virtualization
Technology.
Displays processor (CPU)
information. BIOS provides
C-states, P-states, and T-states
support in order for the OS to
manage the power utilization of
the system. Power management
is also controlled by the service
processor based on system
policies.
Enable the power management
features. The following options
are not displayed if Power
Technology is set to Disabled.
Displays only if Power
Technology is set to Custom.
Enable or disable Intel
SpeedStep. The Intel technology
used to support P-state
transitions is referred to as Intel
SpeedStep.
Displays only if Power
Technology is set to Custom,
Intel SpeedStep is set to enabled,
and Turbo Mode is supported in
the CPU. Enable or disable Turbo
Mode.
Displays only if Power
Technology is set to Custom and
power state (C3) is supported in
the CPU. Enable or disable CPU
C3 (ACPI C2) report to operating
system.
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