Size 950 KB, only for Intel chipsets 
The Intel® Chipset Software Installation Utility installs the Windows* INF files. The INF files inform the operating system how to properly configure the chipset for specific functionality, such as AGP, USB, Core PCI, and ISAPNP services.
**Target Chipset(s)#: **955X/XM/975X/945G/P/PL/GM/PM/GMS/940GML/E7230/E8501