Can I update CW-7582 Drive firmware with 7586?

lo CD Freaks experts

Can I update my Panasonic/Matsushita CW-7582 firmware With CW-7585 or CW-7586 firmwares ?

I have a 4x8x CW-7582 old drive and on mode 1 it only writes 650MB of data on 700MB CD … if I overburn with nero it write the 700MB movie file with a bad block …

help plz

TIA
urs
Dave