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Extensible Firmware Interface Specification
K-14 12/01/02 Version 1.10
Table K-1. Functions Listed in Alphabetic Order (continued)
Function Name Service or Protocol
Subservice Function Description
SetMode Simple Text Output
Protocol
Sets the current mode of the
output device.
SetMode UGA Draw Protocol Set the video device into the
specified mode and clears the
output display to black.
SetOptions EFI Driver
Configuration
Protocol
Allows the user to set controller
specific options for a controller
that a driver is currently managing.
SetPackets PXE Base Code
Protocol
Updates the contents of the
cached DHCP and Discover
packets.
SetParameters PXE Base Code
Protocol
Updates the parameters that affect
the operation of the PXE Base
Code Protocol.
SetPosition File System Protocol
Sets the current file position.
SetRootHubPortFeature USB Host Controller
Protocol
Sets the feature for the specified
root hub port.
SetState USB Host Controller
Protocol
Sets the USB host controller to a
specific state.
SetStationIp PXE Base Code
Protocol
Updates the station IP address
and/or subnet mask values.
SetTime Runtime Services Time Services Sets the current local time and
date information.
SetTimer Boot Services Event Services Sets an event to be signaled at a
particular time.
SetVariable Runtime Services Variable Services Sets the value of the specified
variable.
SetVirtualAddressMap Runtime Services Virtual Memory
Services
Used by an OS loader to convert
from physical addressing to virtual
addressing.
SetWakeupTime Runtime Services Time Services Sets the system wakeup alarm
clock time.
SetWatchdogTimer Boot Services Miscellaneous
Services
Resets and sets the system’s
watchdog timer.
Shutdown Boot Integrity
Services Protocol
Ends the lifetime of an application
instance of the EFI_BIS protocol,
invalidating its application instance
handle.
Shutdown Simple Network
Protocol
Resets the network adapter and
leaves it in a state safe for another
driver to initialize.
continued