I checked, my driver provider is, in fact, microsoft.
I suspect, since it appears you have not had this problem, that my system memory is too low (256 shared). Does this make sense from a technical point of view?
I have a compaq presario 2100 notebook (see stats at end), with an AMD athlon 2500+ XP-M. I get truly awful performance from this machine when it is running on battery power (system freezes after ~5 min when I am browsing [using...