User guide

5-12 Chapter 4: BIOS setup
AdjacentCacheLinePrefetch[Enabled]
This Item allows you to turn on/off prefetching of adjacent cache lines.
Conguration options: [Disabled] [Enabled]
DCU Streamer Prefetcher [Enabled]
This Item allows you to enabled/disabled prefetcher of next L1 data line.
Conguration options: [Disabled] [Enabled]
DCU IP Prefetcher [Enabled]
This Item allows you to enabled/disabled prefetch of next L1 line based upon
sequential load history. Conguration options: [Disabled] [Enabled]
Intel Virtualization Technology [Enabled]
When enabled this item, a VMM can utilize the additional hardware capabilities
provided by Vanderpool Technology.
Conguration options: [Disabled] [Enabled]
Local APIC Mode [Auto]
Select Local APIC mode, If Auto, use x2APIC if required, otherwise, xAPIC mode.
xAPIC will disable CPUs with APIC IDs greater than 254. Some OS don’t support
x2APIC mode. Conguration options: [Disabled] [Enabled]
This item allows you to
enabled power management
features.
CPU Power Management Confguration
Power Technology [Custom]
EIST [Enabled]
Turbo Mode [Enabled]
P-STATE Coordination [HW_ALL]
CPU C3 Report [Disabled]
CPU C6 Report [Enabled]
CPU C7 Report [Disabled]
Package C State limit [C6]
Energy Performance [Balanced Performance]
Factory long duratiion power limit 115 Watts
Long duation power limit 0
Factory long duratiion maintained 1000 ms
Long duation power limit 0
Recommended short duration power1 1.2 * Long Duration
Short duation power limit 0
5.4.2 CPUPowerManagementConguration
→←: Select Screen
↑↓: Select Item
Enter: Select Item
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save & Exit
ESC: Exit
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Advanced
Version 2.15.1219. Copyright (C) 2011 American Megatrends, Inc.
Power Technology [Custom]
This item allows you to enabled power management features.
Conguration options: [Disabled] [Energy Efcient] [Custom]
EIST [Enabled]
This item allows you to enabled/disabled Intel SpeedStep.
Conguration options: [Disabled] [Enabled]