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Important: The information in this document is obsolete and should not be used for new development.

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Inside Macintosh: Devices /
Chapter 6 - Power Manager / Power Manager Reference
Power Manager Dispatch Routines / Controlling the Processor

FullProcessorSpeed

You can use the FullProcessorSpeed function to find out whether the computer will run at full speed the next time it restarts. 

Boolean FullProcessorSpeed();
DESCRIPTION
The FullProcessorSpeed function returns a Boolean value of true if, on the next restart, the computer will start up at its maximum processor speed; it returns false if the computer will start up at its reduced processor speed.

ASSEMBLY-LANGUAGE INFORMATION
The trap is _PowerMgrDispatch ($A09E). The selector value for FullProcessorSpeed is 18 ($12) in the low word of register D0. The Boolean result is returned in the low byte of register D0.

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© Apple Computer, Inc.
3 JUL 1996