[QUOTE=CDan;2691275]The SIL cards are hit and miss with optical drives, and a lot depends on the driver and BIOS of the card. IOW, the same card might act differently with different BIOS or driver.
I wouldn’t pay much attention to the displayed I/O mode, instead go by its actual performance. Is there an actual issue with your current card and the optical drive? By that I mean does it work as expected and produce normal speeds?
Windows usually shows such controllers as IDE channels and might just be reporting it wrong.[/QUOTE]
No, it does not work as expected. Transfer rate as tested with discspeed is very slow (burst rate is less than 15MB/s). I don’t usually write at a speed higher than 12x, but still this is an issue to be solved.