http://www.intel.com/support/chipsets/inf/

INF Update Utility [INFINST.EXE] (1541KB) 6.3.0.1007 12/16/2004 
This utility installs INF files that inform the operating system how to properly configure the chipset for specific functionality such as USB and AGP.

http://downloadmirror.intel.com/df-support/8178/ENG/readme.txt

http://downloadmirror.intel.com/df-support/8178/ENG/releasenotes.htm

http://downloadmirror.intel.com/df-support/8178/eng/infinst_enu.exe

This download is also valid for the products listed below.   
 
 Intel® 810 Chipset Family
 Intel® 815 Chipset Family
 Intel® 820 Chipset Family
 Intel® 830 Chipset Family
 Intel® 840 Chipset Family
 Intel® 845 Chipset Family
 Intel® 848P Chipset
 Intel® 850 Chipset Family
 Intel® 852/855 Chipset Family
 Intel® 860 Chipset Family
 Intel® 865 Chipset Family
 Intel® 875P Chipset
 Intel® 910 Express Chipset Family
 Intel® 915 Express Chipset Family
 Intel® 925X Express Chipset Family
 Intel® Centrino® Mobile Technology
 Intel® Chipset Software Installation Utility
 Intel® E7205 Chipset
 Intel® E7210 Chipset
 Intel® E7221 Chipset
 Intel® E7320 Chipset
 Intel® E7500 Chipset
 Intel® E7501 Chipset
 Intel® E7505 Chipset
 Intel® E7520 Chipset
 Intel® E7525 Chipset
 Mobile Intel® 910GML Express Chipset
 Mobile Intel® 915 Express Chipset Family