Gigabyte GA-6LXSG Manual - Page 49

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BIOS Setup

(Note)

This item is present only if you install a CPU that supports this feature. For more information about

Intel CPUs' unique features, please visit Intel's website.

Intel Virtualization Technology

Select whether to enable the Intel Virtualization Technology function. VT allows a single platform to run

multiple operating systems in independent partitions.

Options available: Enabled/Disabled. Default setting is

Enabled

.

Hardware Prefetcher

Select whether to enable the speculative prefetch unit of the processor.


Enabled

.

Adjacent Cache Line Prefetch

When enabled, cache lines are fetched in pairs. When disabled, only the required cache line is fetched.


Enabled

.

CPU AES

Enable/Disable CPU Advanced Encryption Standard instructions.


Enabled

.

Boot performance mode

Conﬁgure the Boot performance mode.

Options available: Turbo Performance/Max Non-Turbo Performance/Max bettery/Turbo Performance.

Default setting is

Turbo Performance

.

EIST (Enhanced Intel SpeedStep Technology)

Conventional Intel SpeedStep Technology switches both voltage and frequency in tandem between high

and low levels in response to processor load.


Enabled

.

Turbo Mode

When this item is enabled, tje processor

will automatically

ramp up the clock speed of 1-2 of its

processing cores to improve its performance.

When this item is disabled, the processor will not overclock any of its core.


Enabled

.

Energy Performance

Energy Performance Bias is Intel CPU function.

The larger value in MSR_ENERGY_PERFORMANCE_BIAS register,

CPU will save more power but lose more performance.

Note:

This register will be changed by OS too if OS support it like Windows 2008 or newer Linux.

Options available:

Performance : Write value 0 into MSR_ENERGY_PERFORMANCE_BIAS

Balanced Performance: Write value 7 into MSR_ENERGY_PERFORMANCE_BIAS

Balanced Energy: Write value 11 into MSR_ENERGY_PERFORMANCE_BIAS

Energy Efﬁcient: Write value 15 into MSR_ENERGY_PERFORMANCE_BIAS

Default setting is

Performance

.

Platform power limit lock


Enabled

.

CPU C State

Enable/Disable CPU C State feature.

Section	Page
Box Contents	5
GA-6LXSG/GA-6LXSL Motherboard Layout	6
GA-6LXSG Block Diagram	9
GA-6LXSL Block Diagram	10
Chapter 1 Hardware Installation	11
1-1 Installation Precautions	11
1-2 Product Specifications	12
1-3 Installing the CPU and CPU Cooler	14
1-3-1 Installing the CPU	14
1-3-2 Installing the CPU Cooler	16
1-4 Installing the Memory	17
1-4-1 Dual Channel Memory Configuration	17
1-4-2 Installing a Memory	18
1-5 Back Panel Connectors	19
1-6 Internal Connectors	21
Chapter 2 BIOS Setup	36
2-1 The Main Menu	38
2-2 Advanced Menu	40
2-2-1 ACPI Configuration	41
2-2-2 Trusted Computing (Optional)	42
2-2-3 PCI Subsystem Settings	43
2-2-3-1 PCI Express Settings	45
2-2-4 CPU Configuration	47
2-2-5 SATA Configuration	51
2-2-5-1 Software Feature Mask Configuration	53
2-2-6 Info Report Configuration	55
2-2-7 USB Configuration	56
2-2-8 IT8732 Super IO Configuration	57
2-2-9 IT8732 HW Monitor	59
2-2-10 Serial Port Console Redirection	60
2-2-11 Network Stack	63
2-2-12 Intel(R) Anti-Theft Technology Configuration	64
2-2-13 Switchable Graphics	65
2-2-14 Intel(R) Rapid Start Technology	66
2-2-15 PCH-FW Configuration	67
2-2-16 Intel(R) Smart Connect Technology	69
2-2-17 Smart Settings	70
2-2-18 AMT Configuration	71
2-2-19 Acoustic Management Configuration	73
2-3 Chipset Menu	74
2-3-1 System Agent (SA)Configuration	75
2-3-1-1 Graphic Configuration	76
2-3-1-2 NB PCIe Configuration	78
2-3-1-3 Memory Configuration	80
2-3-2 PCH-IO Configuration	82
2-3-2-1 PCI Express Configuration	84
2-3-2-2 USB Configuration	85
2-4 Security Menu	86
2-4-1 Secure Boot menu	87
2-4-1-1 Key Management	88
2-5 Boot Menu	90
2-5-1 CSM16 Parameters	92
2-5-2 CSM Parameters	93
2-6 Exit Menu	95
2-7 BIOS Beep Codes	96
2-8 BIOS Recovery Instruction	97
Chapter 3 Appendix	98

Gigabyte GA-6LXSG Manual - Page 49

EIST Enhanced Intel SpeedStep Technology, Adjacent Cache Line Prefetch

Page 49 highlights