14 DAY TRIAL // Here's one rather interesting modded driver which promises to make X-Fi capabilities available for all those people who own an onboard Realtek audio card.
First of all, this driver is unsigned and is provided as is. Since there is no signature, you might get some Windows warnings or even some positives (false or not) from your anti-virus software. Users around the Internet who have installed and run this driver haven't reported virus infections, though, and recommend disabling anti-virus systems when downloading/ installing.
The "X-Fi-er" works with Realtek driver version 2.67 only, and just under Windows 7 x64. It looks like it will install all the applications that normally come with a Creative X-Fi card. Nevertheless, don't let yourselves fooled by the THX badges.
The THX technology needs more than some pretty GUIs in order to work well and deliver the expected, professional-grade results. From all the THX-certified hardware which is needed to the acoustic treatment of your room, there is more to getting THX-class results, than a mere driver.
Users also report they are able to access EAX4 functions, with EAX5 still not working. Depending on the quality of the rest of the audio gear, some users have reported improvements in sound, while others claimed the opposite.
In the end, judging the quality of this driver is up to each of you, but if you're looking to test something different for your Realtek onboard audio card, you might just give this one a try.