VIA have uploaded Hyperion 4in1 drivers version 4.49vp2 to their drivers page! Dated: 20 August 2003, No word on what's new.

VIA Hyperion drivers are suitable for any VIA chipset and all Microsoft Windows Operating Systems. Hyperion driver sets include INF, AGP, IDE and IRQ related drivers.

http://www.viaarena.com/?PageID=300