Sony just published new firmware (2.0e) for Sony DRU500AX DVD writer.
You can grab it here:
Sony support
Changes:
1) Allows your Dual RW drive to record at 4X on 4X compatible DVD+R media.
2) Improves reading and writing performance and reliability
3) Reduces vibration noise for the discs with unbalance or eccentricity.
Sony support
Changes:
1) Allows your Dual RW drive to record at 4X on 4X compatible DVD+R media.
2) Improves reading and writing performance and reliability
3) Reduces vibration noise for the discs with unbalance or eccentricity.
