The VIA Apollo KT266 consists of the VT8366 North Bridge Controller and VT8233 South Bridge Controller. The chipset provides the highest performance and most scalable chipset solution for the latest AMD Athlon™ processors with a 266MHz Front-Side Bus, it also incorporates something that is unique of VIA´s technology which is V-Link Hub Architecture. Basically what is does is that this V-Link bus links the North and South Bridge and communicate with a bandwidth of 266MB/s and removed the previous 33Mhz PCI bus bottleneck. This is indeed a high speed path for the communication between North and South bridges. In fact, this chipset supports both the traditional PC-100/PC-133 and the new PC1600/PC2100 DDR RAM.