Upgrading usb ports

hp pavilion zt1172 notebook- operating windows xp
Hi , can any body help me in advising me on changing my usb ports to 2.0 usb.I have inserted and down loaded a 4 port card in the pcmia slot but to no avail, i have checked the hp site for updates and can only find the bios update which seems applicable, but i am concerned as i have been warned that doing this could cause serious damage. In any event it tells me that i need an external floppy disc drive, which i have not got.
Is this the only way to update or is there some other method.
Thanks, Chidders.

I actually was going to suggest trying a BIOS flash.
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob937mu&cc=us&dlc=en&lc=en&os=...
This BIOS update is said to fix issues with the compatibility of a certain cardbus usb 2.0 controller and there is a high chance it is the same hardware as the one you use....there are only 2 or 3 different usb 2.0 chipsets in use.
Here are all the latest XP drivers and there may be a newer TI cardbus driver in there for you.
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-16066-1&cc=us&dlc=en&lc=en&...

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Message was edited by: EZ Jim
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