Intel® 815 Chipset: Graphics Controller Programmer's Reference Manual (PRM)
The Intel® 815 chipset family consists of high-flexibility chipsets
designed to extend from the basic graphics/multimedia PC platform up to
the mainstream performance desktop platform. The Intel® 815
chipset consists of the 82815 GMCH and 82801AA ICH. The Intel®
815E chipset consists of the 82815 GMCH and 82801BA ICH2. This
document describes the S/W programmer's interface to the Intel®
82815 Graphics Memory Controller Hub (GMCH).