Dodgy disc's bad batch maybe
You updated the firmware on the drive recently ? or did it come with SB01.
Maybe check IDE cable is secure or replace with 80 if on 40 or just try replacing IDE cable. check 4 pin power whilst there.
Are you using a 3rd party IDE controller ? If so see if there are any driver updates.
Maybe check the other software you have installed like Incd or anything similar.
post the filter driver load order from tools menu.
Strange error for DAO mode where pma is not supposed to be touched
[edit] what size Psu have you got in that machine and have you got another machine you could try that writer in ?
Burn them at their rated speed as well.