"Another forerunner, the original GA-7ZX was one of the first Socket-A
motherboards available based on VIA's KT133 chipset, although it wasn't
anything special. Over time Gigabyte has continued to develop the board and
the latest version is the GA-7ZXR rev2.1 which is very much improved mobo.
Overclocking settings have been introduced, it now supports the fast 266MHz
FSB Athlon CPUs, and a Promise RAID/ATA100 chip has been added to the
FULL STORY @ NEOSEEKER (http://www.neoseeker.com/Articles/Hardware/Reviews/gigabytega7zxr/i)