You can find the latest Intel generic graphics driver for Microsoft* Windows* XP 64 bit at the following URL:
Please get back with results.
first of all it is not a driver as much as a bios issue.
the limitation can be circumvented with bkltON v1.10 available at https://www.asuswebstorage.com/navigate/s/CABA2106684445629032B5F6CAC793EE4
at least it should cover the laptop range of sandybridge hd graphics (2. gen core i3, i5, i7).
my google account was closed when i added the new version and a fan control utility for toshiba laptops.
i guess google is more into business than freedom of information. if ever i had a doubt. - respect