Intel Extensible Firmware Interface User Manual
Page 1024

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
Sets the current mode of the
output device.
Set the video device into the
specified mode and clears the
output display to black.
Allows the user to set controller
specific options for a controller
that a driver is currently managing.
Updates the contents of the
cached DHCP and Discover
packets.
PXE Base Code
Protocol
Updates the parameters that affect
the operation of the PXE Base
Code Protocol.
Sets the current file position.
Sets the feature for the specified
root hub port.
USB Host Controller
Protocol
Sets the USB host controller to a
specific state.
PXE Base Code
Protocol
Updates the station IP address
and/or subnet mask values.
Sets the current local time and
date information.
Sets an event to be signaled at a
particular time.
Runtime Services
Sets the value of the specified
variable.
Runtime Services
Used by an OS loader to convert
from physical addressing to virtual
addressing.
Runtime Services
Time Services
Sets the system wakeup alarm
clock time.
Boot Services
Resets and sets the system’s
watchdog timer.
Ends the lifetime of an application
instance of the
EFI_BIS
protocol,
invalidating its application instance
handle.
Resets the network adapter and
leaves it in a state safe for another
driver to initialize.
continued