Sony DVD RW DW-10A firmware?

My buddy has one of these OEM drives in a system. Is there a firmware update for it? Can’t seem to find one. He’s getting media error messages on DVD-RW 4x discs.

Two DW-U10A firmwares:

About Converting to a DRU-500A:

Thanks Dave. My buddy is kind of a noob, and is 1000mi away, I hope he doesn’t kill his drive. :rolleyes: But this looks like a smart upgrade to do.