Yes, that is indeed a lot of chipsets. VIA's latest AMD chipset, the K8T890, will be the 100 millionth to be shipped and will be presented to VIA's CEO on Thursday (presumably to put on the mantelpiece.)
The VIA K8T890 is an advanced PCI Express™ chipset for the very latest AMD64 processors with support for a 1GHz/16-bit HyperTransport™ technology bus and a multi-peripheral PCI Express implementation, representing the foundation stone for the next hundred million chipset milestone. Offering a comprehensive range of chipsets covering all market segments, including desktop, mobile, workstation and server, VIA is well positioned to continue to drive the advancement of the AMD platform market.
Read more in VIA's press release.