Block diagrams usually look pretty much the same. It's merely interesting to see that everything has been integrated into one chip.
Also For Socket 370: SiS630 And SiS635
SiS also offers the 630, 630S and 630E chipset for some months now, which includes the same basic features. The major difference is their support of Pentium III and Celeron processors.
If you want more information on SiS core logic, please take a look at the following page on the SiS website:
Silicon Integrated Systems Corp. - Product, Core Logic
SiS is also working on a DDR chipset for Pentium III and Celeron systems. With a little luck, we might also see an Athlon chipset with DDR support as well.