Asus P8B75-M LE PLUS P8B75-M LE PLUS User's Manual - Page 56

Chapter 2: BIOS information

2-12

Main

Ai

Tweaker

Advanced

Monitor

Boot

Tool

Exit

Version

2.10.1208.

Copyright

(C)

2012

American

Megatrends,

Inc.

Allows you to set the CPU bus speed to

DRAM speed ratio mode.

[Auto] DRAM speed will be set to the

optimized settings.

[100:100] The CPU bus speed to DRAM

speed ratio will be set to 100:100.

[100:133] The CPU bus speed to DRAM

speed ratio will be set to 100:133.

→←

:

Select Screen

↑↓

:

Select Item

Enter:

Select

+/-:

Change Opt.

F1:

General Help

F2:

Previous Values

F3:

Shortcut

F5:

Optimized Defaults

F10:

Save

ESC:

Exit

F12: Print Screen

UEFI BIOS Utility - Advanced Mode

2.4

Ai Tweaker menu

The Ai Tweaker menu items allow you to configure overclocking-related items.

Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field

values can cause the system to malfunction.

The configuration options for this section vary depending on the CPU and DIMM model you

installed on the motherboard.

Target DRAM Speed : xxxxMHz

Displays the current DRAM speed.

2.4.1

CPU bus speed: DRAM speed ratio mode [Auto]

Allows you to set the CPU bus speed to DRAM speed ratio mode. Configuration options:

[Auto] [100:100] [100:133]

Scroll down to display the following items:

Version

2.10.1208.

Copyright

(C)

2012

American

Megatrends,

Inc.

→←

:

Select Screen

↑↓

:

Select Item

Enter:

Select

+/-:

Change Opt.

F1:

General Help

F2:

Previous Values

F3:

Shortcut

F5:

Optimized Defaults

F10:

Save

ESC:

Exit

F12: Print Screen

Target DRAM Speed : 1333MHz

CPU bus speed : DRAM speed ratio mode

Auto

Memory Frequency

Auto

iGPU Max. Frequency

Auto

EPU Power Saving Mode

Disabled

>

GPU Boost

>

DRAM Timing Control

>

CPU Power Management

>

DIGI+ VRM

CPU Voltage

1.702V

Offset Mode

Offset Mode Sign

+

CPU Offset Voltage

Auto

iGPU Voltage

Offset Mode

iGPU Offset Voltage

Auto

DRAM Voltage

1.500V

Auto

VCCSA Voltage

0.940V

Auto

VCCIO Voltage

1.050V

Auto

PCH Voltage

1.050V

Auto

CPU PLL Voltage

Auto

Section	Page
Safety information	6
About this guide	6
P8B75-M LE Series specifications summary	8
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	15
1.5 Motherboard overview	16
1.5.1 Placement direction	16
1.5.2 Screw holes	16
1.5.3 Motherboard layout	17
1.5.4 Layout contents	18
1.6 Central Processing Unit (CPU)	19
1.6.1 Installing the CPU	20
1.6.2 CPU heatsink and fan assembly installation	22
1.7 System memory	24
1.7.1 Overview	24
1.7.2 Memory configurations	24
1.7.3 Installing a DIMM	29
1.7.4 Removing a DIMM	29
1.8 Expansion slots	30
1.8.1 Installing an expansion card	30
1.8.2 Configuring an expansion card	30
1.8.3 PCI slots	30
1.8.4 PCI Express x4 slot	30
1.8.5 PCI Express 3.0/2.0 x16 slot	30
1.9 Jumpers	31
1.10 Connectors	32
1.10.1 Rear panel connectors	32
1.10.2 Internal connectors	34
1.11 Onboard switches	40
1.12 Onboard LEDs	41
1.13 Software support	42
1.13.1 Installing an operating system	42
1.13.2 Support DVD information	42
1.13.3 Intel® SBA support	43
Chapter 2	45
BIOS information	45
2.1 Managing and updating your BIOS	45
2.1.1 ASUS Update utility	45
2.1.2 ASUS EZ Flash 2	46
2.1.3 ASUS CrashFree BIOS 3 utility	47
2.1.4 ASUS BIOS Updater	48
2.2 BIOS setup program	50
2.3 Main menu	54
2.3.1 System Language [English]	54
2.3.2 System Date [Day xx/xx/xxxx]	54
2.3.3 System Time [xx:xx:xx]	54
2.3.4 Security	54
2.4 Ai Tweaker menu	56
2.4.1 CPU bus speed: DRAM speed ratio mode [Auto]	56
2.4.2 Memory Frequency [Auto]	57
2.4.3 iGPU Max. Frequency [Auto]	57
2.4.4 EPU Power Saving Mode [Disabled]	57
2.4.5 GPU Boost [OK]	57
2.4.6 DRAM Timing Control	57
2.4.7 CPU Power Management	57
2.4.8 DIGI+ VRM	58
2.4.9 CPU Voltage [Offset Mode]	59
2.4.10 iGPU Voltage [Offset Mode]	60
2.4.11 DRAM Voltage [Auto]	60
2.4.12 VCCSA Voltage [Auto]	60
2.4.13 VCCIO Voltage [Auto]	60
2.4.14 PCH Voltage [Auto]	60
2.4.15 CPU PLL Voltage [Auto]	60
2.5 Advanced menu	61
2.5.1 CPU Configuration	61
2.5.2 PCH Configuration	62
2.5.3 SATA Configuration	63
2.5.4 System Agent Configuration	64
2.5.5 AMT Configuration	64
2.5.6 USB Configuration	65
2.5.7 Onboard Devices Configuration	65
2.5.8 APM	66
2.5.9 Network Stack	67
2.6 Monitor menu	68
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	69
2.6.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]	69
2.6.3 CPU Q-Fan Control [Enabled]	69
2.6.4 Chassis Q-Fan Control [Enabled]	70
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	70
2.6.6 Anti Surge Support [Enabled]	70
2.7 Boot menu	71
2.7.1 Bootup NumLock State [On]	71
2.7.2 Full Screen Logo [Enabled]	71
2.7.3 Wait for ‘F1’ If Error [Enabled]	71
2.7.4 Option ROM Messages [Force BIOS]	72
2.7.5 Setup Mode [EZ Mode]	72
2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]	72
2.7.7 PCI ROM Priority [Legacy ROM]	72
2.7.8 Boot Option Priorities	72
2.7.9 Boot Override	72
2.8 Tools menu	73
2.8.1 ASUS EZ Flash 2 Utility	73
2.8.2 ASUS O.C. Profile	73
2.8.3 ASUS SPD Information	73
2.9 Exit menu	74
Appendices	75
Notices	75

Asus P8B75-M LE PLUS P8B75-M LE PLUS User's Manual - Page 56

Ai Tweaker menu

Page 56 highlights