Legacy Document

Important: The information in this document is obsolete and should not be used for new development.

Chapter 6 - Power Manager / Power Manager Reference

Power Manager Dispatch Routines / Controlling the Processor

MaximumProcessorSpeed
You can use the MaximumProcessorSpeed function to find out the maximum speed of the computer's microprocessor.
short MaximumProcessorSpeed();
DESCRIPTION
The MaximumProcessorSpeed function returns the maximum clock speed of the computer's microprocessor, in MHz.

ASSEMBLY-LANGUAGE INFORMATION
The trap is _PowerMgrDispatch ($A09E). The selector value for MaximumProcessorSpeed is 16 ($10) in the low word of register D0. The processor speed value is returned in the low word of register D0.