Guidelines
Observe the following power management guidelines for specific classes of drivers:
-
As discussed in
Power Services, networking drivers should conform to the Open Transport family expert's power management guidelines. The expert handles all interactions with the Power Manager for the driver.
-
As discussed in
Graphics Driver Routines, graphics drivers should support the
GetSync
and
SetSync
status and control calls to implement the VESA DPMS standard for power management. The Display Manager will handle all interaction with the Power Manager on behalf of the driver.
-
SCSI drivers and other classes of drivers for which the family expert interface is not fully defined, or for which a family expert does not currently exist, may need to interact with the Power Manager directly to support power management on PCI-based Power Macintosh computers. However, the current Power Manager interface is not guaranteed to be compatible with future Mac OS releases. Specific issues in this area are discussed in
SCSI Device Power Management.
© 1999 Apple Computer, Inc. – (Last Updated 26 March 99)
