Download and install Crystal Disk Info.
That`ll tell you the firmware revision and allot of other info.
As for TRIM. You need windows 7 and need to be running in AHCI mode with either win 7 standard driver or if you have an intel chipset then the new Rapid Storage Technology drivers also support TRIM.
There is no easy test to see if TRIM is working. You can only assume its working if you've followed the right order of things. ie AHCI mode set in the BIOS and using windows seven with the MS AHCI driver.
GC should be working as its part of the drives firmware.
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