Using UEFI
■
Avoids Legacy Option ROM address constraints. For more information, see “Legacy Option
ROM Allocation” on page 186.
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Supports operating system boot partitions greater than 2 terabytes (2 TB) in size. For more
information about limitations for supported operating systems, refer to the Oracle Server
X5-2L Product Notes at http://www.oracle.com/goto/x5-2l/docs.
■
Integrates PCIe device configuration utilities within the BIOS Setup Utility menus. For
more information, see “BIOS Setup Utility Menu Options” on page 203.
■
Displays bootable operating system images in the boot list as labeled entities, for example,
you will see a Windows boot manager label as opposed to raw device labels.
Related Information
■
“Selecting Legacy BIOS or UEFI Boot Mode” on page 183
■
“Select the Boot Device” on page 190
Configuration Utilities for Add-In Cards
The method for interacting with configuration utilities for add-in cards and (system resident) I/
O adapters differs depending on whether Legacy BIOS Boot Mode or UEFI BIOS Boot Mode
is used.
In Legacy BIOS Boot Mode, I/O adapter utilities are invoked during BIOS POST progression
using hot keys identified by the adapter Option ROM during POST. When the hot key is
pressed, the adapter specific configuration utility interface is presented. Often the interface will
have a vendor-specific design.
In UEFI BIOS Boot Mode, the configuration screens for the add-in cards will appear as menu
items in the BIOS Advanced Menu as part of the standard BIOS Setup Utility screens. For
example, if the Oracle Storage 12 Gb/s SAS PCIe RAID host bus adapter is installed in the
server, the configuration utility for the HBA appears as a menu selection under the iSCSI menu
option on the BIOS Advanced Menu.
Related Information
■
“Selecting Legacy BIOS or UEFI Boot Mode” on page 183
Setting Up BIOS Configuration Parameters 185
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