In which language are the BIOS menus written?

Change BIOS settings: These options are available

Find out here which settings you can make in a BIOS and what these settings are good for.

The BIOS forms the interface between the hardware and the operating system: If you have correctly configured your Don't just make computers faster and more stable, but also significantly reduce its power consumption. In this article we will explain what exactly the BIOS actually is and with which one Adjust the performanceOptimize your system can.

  • The BIOS can be called up via keyboard commands when the system is started. This differs depending on the manufacturer.
  • With the right BIOS settings, you can reduce the power consumption of your PC by up to 50 percent.
  • The BIOS configurations are saved on a permanent memory and are retained even after the computer is switched off.


1. What is the BIOS?

The BIOS is located in a small chip on the mainboard of your computer.

The BIOS ("Basic Input Output System") is the firmware of a computer that has been around since 1970 in shape of a small chip on the motherboard of each PC is located. Before the operating system is started, it checks the functionality of the hardware components and their drivers with the help of the so-called POST (“Power-On Self-Test”).

If the BIOS detects an error, warning tones are issued, theindicate a specific hardware problem depending on the number and duration, and which differ depending on the manufacturer. The most popular BIOS systems come from AMI (American Megatrends), ATI, IBM and Award / Phoenix.

To make changes in the BIOS, you have to do this start when your computer starts up. In most cases that is about it Pressing a specific key (e.g. F1, F12, Delete etc.) required within a short time window. The table below shows a Overview of the most common keyboard commands. You can always find more detailed information on this in the manual for your mainboard.

Mainboard manufacturerKeyboard shortcut
AsusF2 / Del
AsrockF2 / Del

The BIOS settings are in the so-called CMOS (Complementary - Metal-Oxide-Semiconductor) deposited, a static RAM modulethat is powered by the mainboard battery. This means that the information it contains is retained even if the computer is disconnected from the network.

Good to know: In modern computer systems, the BIOS is now also frequently replaced by the UEFI (“Unified Extensible Firmware Interface”), which offers a significantly higher range of functions and consequently greater flexibility. In contrast to the BIOS, it can be conveniently controlled with the mouse and already contains a large part of the drivers that are required for the Windows system start. In addition, the UEFI scores with a significantly faster boot time and support for larger hard drives, but it only works on 64-bit systems.

2. Set up BIOS: The most important settings at a glance

On the Main screen ("Main" or "Standard CMOS Features") of the BIOS are the Basic functions of the system are listed. This includes, for example, the date and time and the drives found. Depending on the type and manufacturer, additional information such as the BIOS version number or information about the CPU is also output.

2.1. Setting the language

English is the default language setting for most BIOS versions.

Most BIOS manufacturers use the languageset to English by default. You can make the setting directly in the main menu ("Main") under the item "Language" to change. To do this, use the arrow keys to navigate to the relevant entry and then confirm your selection with "Enter“.

2.2. Change the boot order

About the Boot menu you can specify The order in which hard disks, drives or USB devices are started should.

  1. To do this, go to the BIOS settings and use the arrow keys to navigate to the "boat“.
  2. There select the sub-item "Boot Device Priority off"And confirm your entry with"Enter“.
  3. The boot device list with "1st“, „2nd" and "3rd“Boot Device is displayed. Use the arrow keys to choose between Hard Drive, CD-ROM (CD or DVD drive), or Floppy Drive (floppy disk drive, only available in older models).
  4. Then press the "Esc“Button to apply the settings and exit the BIOS again.

Tip: In order to reduce the boot time of your computer, set only the hard drives you are using in the boot menu to "Enable“.

In the boot menu you can define the start order of the drives.

2.3. Save electricity

The BIOS also offers many helpful functions and settings with which you can save electricity and lower the energy consumption of your computer. You can find this for most BIOS types under the item "Power management setup"Or"power“.

The most important Options to reduce power consumption are:

2.3.1. ACPI 2.0 support

The "Advanced configuration power interface“Is activated by default and ensures that your computer does not waste electricity.

Good to know: The extended version ACPI 2.0 only supports 64-bit processors. If you do not have a 64-bit processor or if the built-in CPU generally has problems with the energy-saving mode, set this option to "Disabled“.

2.3.2. ACPI Suspend Mode / Type

Here you can Set power saving modes. Under ACPI are in total six different settings possiblewhich in turn save different amounts of electricity. Depending on the BIOS version you can also find this option under the name "Sleep State"Or"ACPI standby state“.

Activate suspend mode in the power menu and set the power-saving mode for your computer.

  • S0: The system is immediately ready for use and fully functional without restrictions.
  • S1 (simple sleep mode): The CPU is stopped (throttle), the monitor and the hard disk are switched off.
  • S2 (extended sleep mode): There is no precise definition for this condition, which is why it almost never occurs. Other components (e.g. the CPU cache) are switched off.
  • S3 (standby mode, "Suspend to RAM"): The operating system saves the system state in memory when the system goes into sleep mode. Most of the hardware is switched off, only the RAM is still supplied with power.
  • S4 (idle state): The system status is saved on the hard drive and the computer is almost completely switched off. In this state, the most electricity is saved, but the computer needs a little more time to "wake up" than in S3 mode.
  • S5 (soft-off mode): The system is switched off, but the power supply unit supplies power, so it can be reactivated using the power button or a network interface ("Wake On LAN").

2.3.3. Dooze fashion

In this option you can choose a Value for reducing the CPU speed define. Set the value to "2" to halve the processor speed or to "3", if you only want to keep a third.

Good to know: With modern processors, the Clock frequency automatically reduced, if the CPU is not busy even if the "Dooze Mode" has not been deactivated in the BIOS.

2.4. CPU Q-Fan Control

With this setting (you will find in the submenu "Hardware monitor“) Can have a direct impact on the Rotation speed of your processor fan and take the case fan. Various functions are available for this:

  • Optimal lets the mainboard control the respective fans.
  • in the Silent mode the speed is reduced, which leads to a reduction in volume.
  • The Performance mode runs the connected fans at maximum speed, but can be very loud under certain circumstances.

2.5. Optimize RAM

With the right BIOS settings, you can get the most out of your RAM.

Normally, the BIOS automatically detects the best clock frequency for the built-in RAM. However, you still have the option of taking some optimization measures. However, this is extreme Caution is advised, as incorrect configurations can very quickly lead to irreparable damage to the hardware.

Under "Memory configuration“You can make all the settings that are responsible for the working speed. You can also download the Increase the clock rate and define the supply voltage.

Computers with a 32-bit operating system can only Use about 3.5 GB of the available RAM, since, for example, XP or Vista can only manage memory addresses up to a length of 4 GB. This also includes the graphics memory and all other PCI cards.

Via the option "Memory hole remapping“Can you do that Make "lost" RAM visible again, the function is only reserved for users of 64-bit hardware (CPU and chipset).

  1. To be able to use the function, switch to "Advanced"And activate the"JumperFree Configuration"-Menu.
  2. Then set the setting for "AI overclocking" on "manual"And navigate to the menu"Memory configuration“.
  3. Put the "Memory hole remapping" on "Enabled"And save your changes via"Exit“.

2.6. Set up SSD hard drive in BIOS

If you want to operate an SSD in your computer, you have to change the mode of the SATA port to AHCI ("Advanced Host Controller Interface") in the BIOS.

If you have a Install SSD in your computer you have to set the Change the mode of the SATA port to AHCI ("Advanced Host Controller Interface")via which the hard disk is connected to the mainboard. This is set to HDDs by default. As a result, the SSD runs slower overall or sometimes even causes problems when starting up.

In order to enable the AHCI mode in the BIOS, you must make some changes in the registry beforehand:

  1. Enter "Regedit“And confirm with the Enter key. The Windows registry will open.
  2. Navigate to the entry "HKEY_LOCAL_MACHINE -> System -> CurrentControlSet -> Services -> Storahci“.
  3. For the parameter "ErrorControl" the value "3"And at"begin" the value "0" a.
  4. Restart the computer.

Adjust the values ​​for the AHCI in the registry.

Now you can open the BIOS and select the option "SATA port" on "AHCI" to change.

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Change BIOS settings: These options are available
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