According to this Inquirer story, Via has finally validated memory modules for DDR333 (PC2700) operation.
Following the launch of its Athlon Apollo KT333 chipset, VIA is set to launch its Apollo P4X333 for the Pentium 4. The company has completed tests of DDR333(PC2700) memory modules for both processors and has endorsed those from Samsung Micron, Hynix, Infineon, Nanya and Elpida.