Home / Reviews / How to set the BIOS to boot from a disk or USB flash drive? What is a hard drive in bios. System boot order What is a hard drive in BIOS

How to set the BIOS to boot from a disk or USB flash drive? What is a hard drive in bios. System boot order What is a hard drive in BIOS

key parameter.

With its help, they determine from which media the operating system will be loaded when the computer starts.

As a value, a sequence of drives indicating the order in which devices are polled.

The computer tries to boot the operating system first from the first device, then, if this fails, from the second, and so on.

These devices are identified either by letters for physical hard drives and conventional disk drives, or by the device name, such as "CDROM" for CD-ROM drives.
Supported devices are LS-120, Iomega ZIP, ATAPI CD-ROM, IDE and SCSI drives.

To set the shortest boot time, select the hard drive containing your OS as the first item.
Usually this is drive C: but if you have SCSI HDD, select SCSI.

Some motherboards (eg ABIT BE6 and BP6) have an additional built-in IDE controller.
The BIOS options on these boards replace the SCSI option with an EXT option.

This allows the computer to boot from an IDE hard drive on the third or fourth IDE port (thanks to the optional built-in IDE controller) or from a SCSI hard drive.

If you need to boot from an IDE hard drive running on the first or second IDE port, do not set the boot order to start with EXT.

Note that this function has to work side by side with the Boot Sequence EXT Means function.

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Boot order, in translation means a sequence or literally the boot order, if there are many boot options - from a hard drive, flash drive, network, CD / DVD drive, then you need to somehow sort them in order, and set the main one first, this will significantly reduce the turn-on time and booting the computer, because he does not have to go through all the boot options in search of the current one.

How to set Boot order in BIOS

There are several options for settings, menu items can be named differently and located in different places, but there are only two fundamentally different options:

  1. The Boot order menu lists specific devices that can be ordered in order
  2. In the Boot order menu, the types of devices are indicated in order, and if there are more than one of them, then there is an additional menu item in which specific devices can already be arranged in order.

The first option is more common and a little easier to set up, you need to find the menu with boot settings, usually it is called Boot or startup, this page displays the boot settings of a computer or laptop, their list depends on the manufacturer, in the example Boot order is simply called Boot but may have a different name, go into it:

We see the Boot Priority Order menu and, on the left, instructions on how to change the order, in general, use the up / down arrows to select the desired item and use the + and - keys to raise it in the list or release it accordingly:

After setting, we exit to the previous menu, in the vast majority of BIOSes, the exit is Esc. The example also contains the Boot Order Lock item - it is needed in order to fix the boot order and it did not change when connecting other devices from which boot is possible, indirectly it also increases the security of your device - an attacker will not be able to connect a bootable USB flash drive and boot from it:

The second option is most often found on old computers, here in the Boot Device Priority the types of devices are lined up according to the list - hard drives, flash drives, network, etc., and in the Hard Disk Drives item, which is not always nearby, you can set the boot priority already from specific devices:

We configure, save the settings, reboot and check that everything works as it should. Below are a few more examples of where to look for the Boot Order setting; on very old computers, this option is found:

We go to the Advanced BIOS Features menu, in the “Boot Order” rectangle - the first, second and, accordingly, the third boot device, from the drop-down menu you need to select the type, if there are several hard drives (flash drives are also often considered a hard drive), then in the very first paragraph - Hard Disk Boot Priority you can specify their priority:


The "Boot Order" item can be hidden in an unexpected place:

How to set Boot order in UEFI

The Boot Order setting in UEFI is not much different from that in the BIOS, and is performed according to almost the same algorithm.
We go into the UEFI BIOS, when turned on, a hint is usually displayed at the bottom of the screen on how to do this, for computers in 99% of cases it is F2 or DEL, for laptops there are more options Esc, F1, F2, F10, F11, F12 (sometimes they need to be pressed together with the Fn button) in general, try it. I just can press F2 or DEL:

I press and get into UEFI, the interface for all manufacturers is more or less standardized and built according to the same principle, immediately after entering UEFI you get to an information screen with general data about the computer and indications of the main parameters of temperatures, voltages, etc. Here you can immediately go to the Boot Priority menu and set everything up, but we will go the old fashioned way - we are looking for a way to switch to advanced mode, usually there is either a corresponding button (indicated by an arrow in the picture below), or a key is indicated below with which you can switch to Advanced Mode in our case F7, press:

Here we select with the up and down arrows or with the mouse - Advanced Mode

And we find ourselves in an extended menu, vaguely reminiscent of BIOS, only richer in graphic terms, then go to the Boot section and then to Hard Drives BBS Priorities:

and set the boot priority by selecting the desired hard drive from the drop-down menu opposite each Boot Option item:

After the Boot Order setup is finished, click on Exit at the top, select Save Changes & Reset to save the settings and restart the computer:

We reboot and check that the download went immediately from the specified device, without wasting time polling the rest.

In general, as you can see, there is no difficulty in setting up Boot Order, and with the help of this article you can easily fix boot problems on your computer or laptop, if something doesn’t work, write in the comments, preferably immediately with a photo, I’ll tell you where to press .

(system boot sequence). The sequence of interrogation of various drives for loading is determined operating system. These devices are identified either by letters for physical hard drives and conventional disk drives, or by a device name, such as "CDROM" for CD-ROM drives. Supported devices are LS-120, Iomega ZIP, ATAPI CD-ROM, IDE, and SCSI drives. Can take values:

"A, C" - this choice is justified only for the case of booting from a floppy disk and is found in older PC models,

"A,C,SCSI",
"C only",

"D,A,SCSI" (intended when using at least two IDE hard drives),

"E,A,SCSI" (same for 3 disks),

"F,A,SCSI" (similarly for 4 disks),

In some BIOS versions, the option Boot Sequence transformed into several independent options, naturally with greater selection and greater flexibility. It looks like this, for example, for "AMI BIOS":

Parameters can take the following values: "Floppy", "HDD-0", "HDD-1", "HDD-2", "HDD-3", "LAN" (or "Network"), "SCSI", "LS /ZIP", "CD-ROM", "Enable", "Disabled". Of course, not all listed devices can be primary boot, the entire list of devices for all four options is listed.

And one of the options "AMI BIOS" contains the same options, but with the values ​​"Floppy", "Floptical" (RS 120), "CD ROM", "SCSI Device", "Network", "IDE0", "IDE1", "IDE2" and the option "Try Other Boot Devices" through the value "Yes" gives the possibility of an additional choice of boot option, if the available options do not suit the user.

A more modern version of "AMI BIOS" looks quite unusual: "Disabled", "1st IDE-HDD", "2nd IDE-HDD", "3rd IDE-HDD", "4th IDE-HDD", "Floppy", "ARMD- FDD", "ARMD-HDD", "ATAPI CDROM", "SCSI" (only as the first or second boot device), "NETWORK" and "I2O" (the last two parameters only as the first boot device). For more information about ARMD (ATAPI Removable Media Disks), see the "Peripherals & Resources" section.

A very unusual boot option at one time was offered by "Phoenix BIOS" with the option "System Load " . The option had two parameters:

"Standard" - the OS could be loaded (by default) either from a floppy or from a hard disk,

"Diskette Lock" - only from the hard disk. It is clear that this was a long time ago.

See additional option below. "HDD Sequence SCSI/IDE First".

The following should also be noted. All of the listed options do not cover all the possible nuances of loading offered by various BIOS versions. Therefore, the user must always be ready to meet with a non-standard situation.

Paleidimo eilė statusas T sritis informatika apibrėžtis Diskų eilė, kuria juos peržiūri BIOS sistema, ieškodama operacinės sistemos paleidimo programos: jei randa, tai ją įkelia ir paleidžia. Diskų eilė nustatoma BIOS nuostatose. Dažniausia ji… … Enciklopedinis kompiuterijos žodynas

boot sequence- order in which the computer searches at startup for a bootable disk or diskette on various drives … English contemporary dictionary

boot sector- A boot sector (sometimes called a bootblock) is a sector of a hard disk, floppy disk, or similar data storage device that contains code for booting programs (usually, but not necessarily, operating systems) stored in other parts of the disk.On a… … Wikipedia

boot- Cette page d'homonymie répertorie les différents sujets et articles partageant un même nom ... Wikipédia en Français

Boot- Amorçage d un ordinateur Pour les articles homonymes, voir Boot (homonymie). L amorçage, en informatique, désigne la procédure de démarrage d un ordinateur, qui comporte notamment le chargement du program initial. On le designe également par le ... Wikipedia en Français

boot- ((11))boot (n.1) footwear, early 14c., from O.Fr. bote boot (12c.), with corresponding words in Provençal and Spanish, of unknown origin, perhaps from a Germanic source. Originally for riding boots only. ((12))boot (n.2) profit, use, O.E. bot… … Etymology dictionary

Boot (homonym)- Cette page d'homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia: "Boot (homonymie)", sur le Wiktionnaire (dictionnaire universel) Boot est un mot anglais pouvant… ... Wikipédia en Français

sequence de boot- ● loc. f. BOOT Option du BIOS, en partic. d un PC, permettant de choisir l ordre dans lequel la machine va interroger les disques pour savoir où se trouve son système d exploitation. On choisira par exemple C:, A:, CDROM, pour booter sur le… … Dictionnaire d "informatique francophone

pre-boot authentication- (PBA) serves as an extension of the BIOS or boot firmware and guarantees a secure, tamper proof environment external to the operating system as a trusted authentication layer. The PBA prevents anything being read from the hard disk such as the… … Wikipedia

Master Boot Record- Saltar a navegación, búsqueda Algunas veces se emplea para el arranque del sistema operativo con bootstrap, otras veces es usado para almacenar una tabla de particiones y, en ocasiones, se usa sólo para identificar un dispositivo de disco… … Wikipedia Español

master boot record- Almacenamiento de un master boot record estándar Dirección Descripción 0x0000 Área de código 0x01B8 4 bytes; firma del disco (optional) 0x01BC 2 bytes; normalmente 0x0000 0x01BE Para entradas en la tabla de particiones primarias de 16 bytes… … Wikipedia Español

If you were looking for BIOS settings in pictures, then you have come to the right place.

The changes made will be protected by a lithium battery built into the motherboard and maintaining the required parameters in the event of a voltage loss.

Thanks to the program, it is possible to establish a stable interaction of the operating system (OS) with PC devices.

Attention! The present Boot network configuration section allows you to adjust parameters regarding system boot speed, keyboard and mouse settings.

After completing the work or familiarizing yourself with the Bios Setup Utility menu, you must press the burning Exit key, which automatically saves the changes made.

Section Main - Main menu

Let's start with the MAIN section, which is used to modify the settings and adjust the timing.

Here you can independently set the time and date of the computer, as well as configure the connected hard drives and other drives.

To reformat the mode of operation hard drive, you need to select a hard disk (for example: "SATA 1" as shown in the figure).

  • type- this item indicates the type of connected hard disk;
  • LBA Large Mode- Responsible for supporting drives larger than 504 MB. So the recommended value here is AUTO.
  • Block (Multi-Sector Transfer) - For faster work, we recommend choosing the AUTO mode here;
  • PIO Mode- Enables the hard drive to operate in legacy data exchange mode. It would also be best to select AUTO here;
  • DMA Mode- gives direct access to memory. To get a faster read or write speed, select AUTO;
  • smart monitoring- this technology, based on the analysis of the operation of the drive, is able to warn of a possible drive failure in the near future;
  • 32 bit data transfer This option determines whether the 32-bit communication mode will be used by the standard IDE/SATA chipset controller.

Everywhere, using the "ENTER" key and the arrows, the Auto mode is set. The exception is subsection 32 Bit Transfer, which needs to fix the Enabled setting.

Important! It is required to refrain from changing the "Storage Configuration" option, which is located in the "System information" section and not to allow correction "SATADetectTimeout".

Section Advanced - Additional settings

Now let's start setting up the basic PC nodes in section ADVANCED consisting of several sub-items.

Initially, you will need to set the necessary processor and memory parameters in the Jumper Free Configuration system configuration menu.

By selecting Jumper Free Configuration, you will go to the Configure System Frequency / Voltage subsection, here you can perform the following operations:

  • automatic or manual overclocking of the hard drive - AI Overclocking;
  • change of clock frequency of memory modules - ;
  • Memory Voltage;
  • manual mode for setting the chipset voltage - NB Voltage
  • changing port addresses (COM, LPT) - Serial and Parallel Port;
  • setting controller settings - onboard devices configuration.

Power section - PC power

The POWER item is responsible for powering the PC and contains several subsections that need the following settings:

  • Suspend Mode- set the automatic mode;
  • ACPI APIC- set Enabled;
  • ACPI 2.0- fix the Disabled mode.

BOOT section - boot management

Here it is allowed to define a priority drive, choosing between a flash card, a disk drive or a hard drive.

If there are several hard drives, then the priority hard drive is selected in the Hard Disk sub-item.

The boot configuration of the PC is set in the Boot Setting subsection, which contains a menu consisting of several items:

Hard drive selection

The boot configuration of the PC is set in the Boot Setting subsection,

  • Quick Boot– acceleration of loading of OS;
  • Logo Full Screen– disabling the screen saver and activating an information window containing information about the download process;
  • Add On ROM- setting the order on the information screen of the modules connected to motherboard(MT) through slots;
  • Wait For 'F1' If Error- activation of the function of forced pressing "F1" at the moment the system identifies an error.

The main task of the Boot partition is to determine the boot devices and set the required priorities.

  • ASUS EZ Flash- using this option, you have the ability to update the BIOS from such drives as: floppy disk, Flash disk or CD.
  • AI NET– using this option, you can get information about the connected to network controller cabile.

Section Exit - Exit and save

Particular attention should be paid to the EXIT item, which has 4 operating modes:

  • Save Changes- save the changes;
  • Discard Changes + EXIT- leave the factory settings in effect;
  • Setup Defaults- enter the default parameters;
  • Discard Changes- we cancel all our actions.

Given step by step instructions explain in detail the purpose of the main sections of the BIOS and the rules for making changes to improve PC performance.

Bios setting

bios settings- Detailed instruction in pictures