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BIOS Setup

The interface, structure and available options of BIOSes of ASUS mainboards are very much alike, yet there are certain differences between the ordinary and ROG series products. We might also expect to see some differences in the TUF series but the BIOS of the Sabertooth X58 doesn’t show any.

The majority of performance tuning options can be found in the Ai Tweaker menu. By default, each parameter is set up by the mainboard automatically. You can set the Ai Overclock Tuner parameter at D.O.C.P. and the mainboard will adjust the base clock rate and the CPU frequency multiplier in such a way as to increase the memory frequency to the specified level. In the X.M.P. mode the mainboard will apply the parameters written in the memory modules’ SPD if they support this technology. The CPU Level Up parameter can automatically overclock the CPU.

The numbers are all hidden behind “Auto” but the values of frequencies and voltages will be shown when you change them.

This BIOS section offers all the settings to change system frequencies, multipliers and voltages in order to set everything up in the most optimal way. You can also play with memory timings here (they are so numerous that are allotted a separate page).

The Advanced section is for managing the chipset, onboard controllers and interfaces.

The CPU Configuration subsection contains a number of important CPU-related options.

Some options can be found on a separate page titled “Intel PPM Configuration”. You should certainly go there to change the Intel C-STATE Tech parameter. It is turned off by default, which means the CPU won’t switch into deep power-saving modes when idle. Besides, it won’t be able to increase its frequency multiplier by x2 at single-threaded load. In other words, the Turbo Boost technology won’t work to its full extent and will only increase the multiplier by x1 irrespective of CPU load and power consumption.

The Onboard Devices Configuration page may be interesting, too.

The Power section contains the EuP Ready parameter which lowers the mainboard’s power consumption when the latter is turned off but not disconnected from the mains.

The Hardware Monitor section is for checking out the key voltages, temperatures and fan speeds.

Fans attached to the Chassis Fan connectors can be managed by choosing one of the three predefined modes: Standard, Silent and Turbo. For the CPU fan you can also manually specify the correlation between speed and temperature.

The Boot section is for specifying the boot device order and some other parameters related to the boot-up process. The Tools section contains a few special utilities.

EZ Flash 2 is a user-friendly and informative tool for updating the mainboard’s BIOS.

OC Profile is for saving and managing a few profiles with BIOS settings.

AI NET 2 is a tool that helps diagnose a network cable whereas Drive Xpert Configuration is for managing hard disks connected to the SATA 6 Gbps ports.

The next table summarizes the mainboard’s BIOS capabilities:

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