600x 850mhz non-speedstep-board:
after reboot system hangs while win-xp logo displayed... looks like a freezer
after Fn+F2 system works 1-2sec and freeze.
after very, very much Fn+F2 i've changed the processor-driver in system setup... there are 3 drivers, normally xp use the first one 'Intel Pentium (III)Processor' - i took the secound one 'Intel Processor' manually
after reboot speedstep works like speedstep-board...
700mhz on battery
850mhz on power line with battery installed
700mhz on power line without any battery
600x 650mhz with speedstep-board:
SP3 runs without issures (power line + battery installed)
600x 650mhz with speedstep-board:
new install. xp + sp3 without battery... like above... a lot Fn+F2, Fn+F2... + other processordriver
SP3... [censored by author]




