4 ai tweaker menu, 1 cpu bus speed : dram speed ratio mode [auto, 2 memory frequency [auto – Asus P8B75-M User Manual
Page 58: Ai tweaker menu -12 2.4.1, Cpu bus speed : dram speed ratio mode [auto] -12, Memory frequency [auto] -12

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ASUS P8B75-M
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
Forces a DDR3 frequency slower than the
common tCK detected via SPD.
→←
: 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.
2.4.1
CPU bus speed : DRAM speed ratio mode [Auto]
Allows you to set the CPU bus speed to DRAM speed ratio mode.
[Auto]
DRAM speed is set to the optimized settings.
[100:133]
The CPU bus speed to DRAM speed ratio is set to 100:133.
[100:100]
The CPU bus speed to DRAM speed ratio is set to 100:100.
2.4.2
Memory Frequency [Auto]
Allows you to set the memory operating frequency. Configuration options: [Auto] [DDR3-
800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1600MHz] [DDR3-1866MHz] [DDR3-
2133MHz] [DDR3-2400MHz]
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
Target DRAM Speed : 1333MHz
CPU Bus speed : DRAM speed ratio mode
Auto
Memory Frequency
Auto
EPU Power Saving Mode
Disabled
> GPU Boost
> DRAM Timing Control
> CPU Power Management
CPU Offset Mode Sign
+
CPU Offset Voltage
Auto
DRAM Voltage 1.500V
Auto
VCCIO Voltage
Auto
VCCSA Voltage
Auto
CPU PLL Voltage
Auto
PCH Voltage
1.050V
Auto
Load-Line Calibration
Auto