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Oracle® X5 Series Servers Administration Guide

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Updated: September 2017

Select UEFI Boot Mode or Legacy BIOS Boot Mode (BIOS)


Caution  -  If you change the boot mode after you have installed an operating system (OS), the OS does not boot.

  1. Access the BIOS Setup Utility.

    For instructions, see Accessing the BIOS Setup Utility.

  2. Navigate to the Boot menu.

    The UEFI/BIOS Boot Mode property displays the current boot mode.

  3. In the Boot menu, select UEFI/BIOS Boot Mode.

    The UEFI/BIOS Boot Mode dialog box appears.

    image:BIOS screen showing selection of UEFI and Legacy BIOS                                 Mode.
  4. Select Legacy or UEFI.

    Note -  Before you can configure the boot order list, you must reset the server and reenter the BIOS Setup Utility. After you reset the server, the boot order list is populated with the devices that support the chosen boot mode.
  5. Press the F10 function key to save your changes and exit the BIOS Setup Utility.