ecs p4vxas mobo(5 posts)
Your socket 423 p4vxas motherboard has a VIA Apollo P4X266 chipset which includes a VT8753 Northbridge and VT8233 Southbridge. Don't believe that MB supports anything but USB 1.1. Where did you get info that USB speed could be upgraded with a Bios update ? The hardware is Pre-USB 2.0 standards implementation.
Thanks for reply. A card will allow you on the 100 / 133 PCI Bus HOWEVER suggest looking for a newer inexpensive motherboard. All hardware standards have long changed since you purchased your board (circa 2000).
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