Owner manual

5-12
Chapter 5: BIOS setup
Hyper-threading [Enabled]
Allows you to enable or disable the Intel Hyper-Threading Technology function.
Conguration options: [Enabled] [Disabled]
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Conguration options: [All] [1] [2] [3]
Execute Disable Bit [Enabled]
Allows you to enable or disable the XD feature that can prevent certain classes of malicious
buffer overow attacks when combined with a supporting OS. Conguration options:
[Enabled][Disabled]
Intel Virtualization Technology [Enabled]
Allows you to utilize the additional hardware capabilities provided by Vanderpool Technology.
Conguration options: [Enabled] [Disabled]
Hardware Prefetcher [Enabled]
Allows you to enable or disable the Mid Level Cache (L2) streamer. Conguration options:
[Enabled] [Disabled]
AdjacentCacheLinePrefetch[Enabled]
Allows you to enable or disable the Mid Level Cache (L2) prefetching of adjacent cache lines.
Conguration options: [Enabled] [Disabled]
CPU AES [Enabled]
Allows you to enable or disable the CPU Advance Encryption Standard instructions.
Conguration options: [Disabled] [Enabled]
Boot performance mode [Turbo Performance]
This item allows you to select the performance state that the BIOS will set before OS handoff.
Conguration options: [Max Non-Turbo Performace] [Max Battery] [Turbo Performance]
EIST [Enabled]
Allows you to enable or disable the Enhanced Intel SpeedStep Technology (EIST).
Conguration options: [Enabled] [Disabled]
Turbo Mode [Enabled]
This item appears only when you set the EIST item to [Enabled]. This allows you to enable or
disable the Intel
®
Turbo Mode Technology.
Conguration options: [Enabled] [Disabled]
Energy Performance [Performance]
Allows you to optimize between performance and power savings. Conguration options:
[Performance] [Balanced Performance] [Balanced Energy] [Energy Efcient]