Specifications
Table Of Contents
- Safety information
- Chapter 1
- Product introduction
- Chapter 2
- BIOS information
- 2.1 Managing and updating your BIOS
- 2.2 BIOS setup program
- 2.3 Main menu
- 2.4 Ai Tweaker menu
- 2.4.1 CPU bus speed : DRAM speed ratio mode [Auto]
- 2.4.2 Memory Frequency [Auto]
- 2.4.3 EPU Power Saving Mode [Disabled]
- 2.4.4 GPU Boost [OK]
- 2.4.5 DRAM Timing Control
- 2.4.6 CPU Power Management
- 2.4.7 Offset Mode Sign [+]
- 2.4.8 DRAM Voltage [Auto]
- 2.4.9 VCCIO Voltage [Auto]
- 2.4.10 VCCSA Voltage [Auto]
- 2.4.11 CPU PLL Voltage [Auto]
- 2.4.12 PCH Voltage [Auto]
- 2.4.13 Load-Line Calibration [Auto]
- 2.5 Advanced menu
- 2.6 Monitor menu
- 2.7 Boot menu
- 2.7.1 Bootup NumLock State [On]
- 2.7.2 Full Screen Logo [Enabled]
- 2.7.3 Wait for ‘F1’ If Error [Enabled]
- 2.7.4 Option ROM Messages [Force BIOS]
- 2.7.5 Setup Mode [EZ Mode]
- 2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]
- 2.7.7 PCI ROM Priority [Legacy ROM]
- 2.7.8 Boot Option Priorities
- 2.7.9 Boot Override
- 2.8 Tools menu
- 2.9 Exit menu
- Appendices

2-24 ASUS P8B75-M
2.6.4 Chassis Q-Fan Control [Enabled]
[Disabled] Disables the Chassis Q-Fan control feature.
[Enabled] Enables the Chassis Q-Fan control feature.
Chassis Fan Speed Low Limit [600 RPM]
This item appears only when you enable the Chassis Q-Fan Control feature and allows you
to disable or set the chassis fan warning speed.
Conguration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
Chassis Fan Profile [Standard]
This item appears only when you enable the Chassis Q-Fan Control feature and allows you to set
the appropriate performance level of the chassis fan.
[Standard] Sets to [Standard] to make the chassis fan automatically adjust depending on the
chassis temperature.
[Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation.
[Turbo] Sets to [Turbo] to achieve maximum chassis fan speed.
[Manual] Sets to [Manual] to assign detailed fan speed control parameters.
The following four items appear only when you set Chassis Fan Prole to [Manual].
Chassis Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the CPU temperature. The values range
from 40ºC to 90ºC.
Chassis Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> keys to adjust the maximum chassis fan duty cycle. The values range
from 60% to 100%. When the chassis temperature reaches the upper limit, the chassis fan will
operate at the maximum duty cycle.
Chassis Lower Temperature [40]
Displays the lower limit of the chassis temperature.
CPU Fan Min. Duty Cycle(%) [60]
Use the <+> and <-> keys to adjust the minimum chassis fan duty cycle. The values range from
60% to 100%. When the chassis temperature is under 40ºC, the chassis fan will operate at the
minimum duty cycle.
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage
The onboard hardware monitor automatically detects the voltage output through the onboard
voltage regulators. Select Ignore if you do not want to detect this item.
2.6.6 Anti Surge Support [Enabled]
This item allows you to enable or disable the Anti Surge function.
Conguration options: [Disabled] [Enabled]










