SiS R659 : Supports HyperThreading, 800MHz FSB, four
channel memory, AGP8X, Q4 2003

SiS656 : Supports DDR2/DDR400, PCI Express, Sampling Now, w/ Int. Gfx in
Q1 2004

SIS will also have a PCI Express south bridge available by the first quarter of
next year. 656FX and R659 as its top high performance products for Q4 and Q1 of
next year.