Please kindly try to get VIA8237R SATARAID O.S. Installation Manual PDF file from our website via follwing link: click here

The mostly likely cause for your Firewire IEEE1394b being unstable relates to having upgraded from Windows XP Service Pack 1 to Windows Service Pack 2. Please refer to following URL for more detailed information: http://support.microsoft.com/kb/885222 The Firewire IEEE 1394b driver available from Windows operating system is the most up-to-date version and has been gone through extensive testing and verification before being posted. If you feel the 1394b performance is too slow, we recommend that you download the upgrade patch file from Microsoft's official website. see link below http://www.microsoft.com/downloads/details.aspx?familyid=5c076e4c-aec8-434d-9849-e668a50e6e81&displaylang=en

NO, EASY TUNE doesn't support Cyrix CPU.

Yes. SIS 650 chipset can support 2X, 3.3volt AGP card.

Yes, it has passed UL product certification.