According to the release notes, the firmware addresses the following:
- Fixed a rare condition that may cause Windows Blue Screen error when the primary-configured drive woke up from either a SATA slumber mode or S3/S4 modes.
- Fixed a rare condition that may cause Windows Blue Screen error when the drive was configured as primary with OS installed.
- Fixed a corner-case issue that may cause the drive to stutter or Windows freezing screen when a media read error occurred.
- Further improved robustness of Secure Erase operation to prevent possible low-level data structure corruption.
- Significantly improved TRIM handling to enhance system stability.
Anyone who has experienced a BSOD with one of the affected models is encouraged to upgrade the firmware. You should also keep an eye on your SSD's manufacturer's website for an update if you own a non-OCZ with a SandForce SF-2000 series chipset. Apparently the stability issues extend to all SF-2000 SSDs.