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

2-20 ASUS P8B75-M
Legacy USB3.0 Support [Enabled]
This item appears only on P8Q67-M DO/USB3/TPM.
[Enabled] Enables the support for USB 3.0 devices on legacy operating systems
(OS).
[Disabled] Disables the function.
Intel xHCI Mode [Enabled]
Allows you to select an operation mode for the Intel xHCI controller. Conguration options:
[Smart Auto] [Auto] [Enabled] [Disabled]
EHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled] Disables the function.
2.5.9 Onboard Devices Conguration
HD Audio Controller [Enabled]
[Enabled] Enables the High Denition Audio Controller.
[Disabled] Disables the controller.
The following item appears only when you set the HD Audio Controller item to [Enabled].
Front Panel Type [HD]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-
denition audio depending on the audio standard that the front panel audio module supports.
[HD] Sets the front panel audio connector (AAFP) mode to high denition audio.
[AC97] Sets the front panel audio connector (AAFP) mode to legacy AC’97
Realtek LAN Controller [Enabled]
[Enabled] Enables the Realtek LAN controller.
[Disabled] Disables the controller.
Realtek PXE OPROM [Disabled]
This item appears only when you set the previous item to [Enabled] and allows you to
enable or disable the PXE OptionRom of the Realtek LAN controller. Conguration options:
[Enabled] [Disabled]
Serial Port Conguration
The sub-items in this menu allow you to set the serial port conguration.
This item functions only if there is a serial port (COM1) connector on the motherboard.
Serial Port [Enabled]
Allows you to enable or disable the serial port (COM).
Conguration options: [Enabled] [Disabled]










