Plextor 760SA: burning errors

Hi,
I recently bought a Plextor 760SA (SATA) and a SATA controller (Silicon Image 3112), I haven’t been able to burn correctly any dvd, nor dvd-r neither dvd+rw (verbatim datalife plus). I’m using nero under winxp/win2000: when I burn the dvd nero says writing went ok, but if I turn verify on, I ALWAYS get several hundreds errors. The files are there but with errors.
The controller seems to be ok, windows recognized it and it is listed in the hardware devices list, and the dvd burner is seen correcty.
I tried burning cds too, with the same, sad result.
I used also k3b under linux, and it showed an error like this one:
:-[ WRITE@LBA=0h failed with SK=5h/ASC=22h/ACQ=00h]: Input/output error
:frowning: write failed: Input/output error
which I cannot understand.

What should I check before opening an RMA?
I don’t have the burner manual because I bought the OEM version.

Greetings
spaceman

This thread may or may not help you. It’s for a Plextor 716SA but the problem is the same. http://club.cdfreaks.com/showthread.php?t=182839