PCI-6886 User’s Manual 88
Appendix D Intel Speedstep Technology

D.1 Intel® Pentium® M SpeedStep instruction

Mobile Intel® Pentium® M processors with Enhanced Intel SpeedStep®
technology let users customize high performance computing on their
PC.The Enhanced Intel SpeedStep technology provides the Pentium M
processor a flexible, multi-point operating mode, completely self man-
aged, and with a very low CPU and memory unavailability time, which
optimizes its power and performance according to demand.
Advantech’s product with Intel® Pentium® M processors support speed
stepping feature at Windows XP, To implement the speed stepping feature
under Windows XP, please follow the listed steps:
Step 1. Update “Processor" driver by using "cpu_driver_winxp.zip”
Step 2. Change “Power schemes" to "Portable/Laptop”