Dell POWEREDGE R610 User Manual download pdf (Page 6)

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DifferencesbetweenBIOSandUEFIBootModes

Thefollowingtablehighlightsthedifferencesbetweenthebootmodes.

Feature

BootMode

BIOS UEFI

OperatingSystemSupport Compatiblewithoperatingsystems

thatdonotsupportUEFI.Allthe

currentandlegacyoperation

systemscanbeinstalledinthis

bootmode.

MustsupportUEFI

BIOSPOST<F11>Boot

ManagerHotKey

EntersBIOSBootManager EntersUEFIBootManager

BootOrderControl ViaBIOSSetupUtility ViaUEFIBootManager

USBEmulation SupportedviaBIOSSetupUtility Notneeded

DefaultBootOrder TraditionalDellBIOSdefaultboot

order

None

BootOptions LegacyBIOSbootstoadrive.

Supportformulti‐bootdrive

requiresabootloader.

InUEFImode,thereisaconceptofa

bootfile.Thisallowsmultiplefiles

tobeaddedasabootoptionona

singledrive.



UEFIBootOptions

ThewaybootoptionsworkinUEFImodediffersfromthatofthelegacyBIOS.TheUEFIbootoption:

Specifiesafileonadriveasaboottarget(vs.adriveasinlegacyBIOS).

Isautomaticallycreatedbytheoperatingsystemduringinstallationandpointstoits

bootfile.

Providesapredeterminedbootpathforremovablemedia.

CanbemanuallyaddedbytheuserviatheUEFIBootManager.

Pointstoaspecificbootfile;henceasystemformatisnotnecessarytomakeadevicebootable.

AutomaticandManualBootOptions

InUEFI

mode,bootoptionsareautomaticallyaddedforremovabledevices.Theseautomaticallyaddedboot

optionscannotbedeleted.OperatingSysteminstallationautomaticallyaddsabootoptionthatpointstothe

OperatingSystemBootloader.BootoptionscanalsobeaddedmanuallybyusingtheUEFIBootManager.Whether

optionsareaddedmanually

orbytheoperatingsystem,theycanbedeletedusingUEFIBootManager.

Multiplebootoptionsperdevice,orperfile,areallowed.Youmaywanttohavetwobootoptionsforthesame

filewithdifferentinputparameters,suchasadebugparameter.WheninstallingaUEFI‐awareoperating

system,

theinstallationprocesswilladdacorrespondingbootoption.

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Dell POWEREDGE R610 User Manual Page 6

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