I/O Magic 16X DVD Firmware Update?

Is there a better Firmware for my I/O Magic 16X DVD other than the version 1.0 ( labled OEM316B ) that came with the DVD Drive ?

I am interested in Read improvements or even just to convert it to Region Free .

Also is it known who the “True” manufacturer of the drive is and if that manufacturers firmware will work ?

Thanks in Advance …:bow: