AMD Irongate, 761, and 762 chipset support

modulename: amd-k7-agp.ko

configname: CONFIG_AGP_AMD

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>/dev/agpgart (AGP Support)
└─>AMD Irongate, 761, and 762 chipset support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This option gives you AGP support for the GLX component of
X on AMD Irongate, 761, and 762 chipsets.

source code:
drivers/char/agp/amd-k7-agp.c