P
Piet van der Plas
I have a notebook with a 1.20 GHz PIII Intel Tualatin processor which has
worked fine with XP and XP SP1.
This type of processor, amongst others, uses Speedstep technology which
allow the Operating System to adjust its frequency to conserve battery
power.
After upgrading to SP2 I noticed a dramatic slowdown.
I found out (right-clicking My Computer - Properties) that he processor only
worked at 68 MHz, about 20 times slower than normal!
Changing the Power Scheme to "Always On" or "Home/Office Desk" did not make
a difference.
Rolling back the processor driver to the original 2002 driver of SP1 did not
make a difference
I downloaded the freeware program SpeedswitchXP, which supposedly allows you
to read and set the processor frequency directly
Interestingly, this did not improve the situation. I did set the frequency
at 1.20 GHz in the program, it showed the frequency to be 1199 MHz, but the
computer still was as slow as before, and My Computer still showed a
frequency of 68 MHz.
Finally and desparately I removed SP2 and everything was fine again. My
Computer showed a frequency of 1.2 GHz.
Also Dell and HP computers appear to have these problems with other
Speedstep processors (search Google with XP SP2 Speedstep)
Anybody knows which part of SP2 is responsible for Speedstep? Is it
something I could roll-back with a SP1 driver?
Thanks,
Piet van der Plas
worked fine with XP and XP SP1.
This type of processor, amongst others, uses Speedstep technology which
allow the Operating System to adjust its frequency to conserve battery
power.
After upgrading to SP2 I noticed a dramatic slowdown.
I found out (right-clicking My Computer - Properties) that he processor only
worked at 68 MHz, about 20 times slower than normal!
Changing the Power Scheme to "Always On" or "Home/Office Desk" did not make
a difference.
Rolling back the processor driver to the original 2002 driver of SP1 did not
make a difference
I downloaded the freeware program SpeedswitchXP, which supposedly allows you
to read and set the processor frequency directly
Interestingly, this did not improve the situation. I did set the frequency
at 1.20 GHz in the program, it showed the frequency to be 1199 MHz, but the
computer still was as slow as before, and My Computer still showed a
frequency of 68 MHz.
Finally and desparately I removed SP2 and everything was fine again. My
Computer showed a frequency of 1.2 GHz.
Also Dell and HP computers appear to have these problems with other
Speedstep processors (search Google with XP SP2 Speedstep)
Anybody knows which part of SP2 is responsible for Speedstep? Is it
something I could roll-back with a SP1 driver?
Thanks,
Piet van der Plas