DVD Drive Firmware

The DVD Drive Model is GSA-T50N

Firmware version RT04 (Firmware Dated 25/8/08 By Everest)

Download it from RPC1here

Firmware version RR07 (Firmware Dated 30/7/08 By Everest)
Download it from RPC1here

The latest is
Firmware Version RR09 (Firmware Dated 4/6/09 By Everest)
Download it from Station Drivers here

For People who want to find latest Optical Drive Firmware I have 2 places to recommend:
1)http://files.rpc1.org/
2)http://www.station-drivers.com/page/drivers.htm