From the Readme:

3. RAID Configurations
ISSUE: The SATA SSD Firmware Update Tool cannot execute a firmware
update when the SSDs are in a RAID configuration.
WORKAROUND:
Go into the BIOS and disable RAID mode, using "Legacy" or
"Compatibility" mode for the firmware update. If the system
is using IMSM, it is important that you do not disable RAID
within IMSM or other software configuraiton utility.
After configuring BIOS to "Legacy" or "Compatibility" mode,
reboot the system following the update instructions below.
Once all RAID drives have been updated and verified, enable
RAID in BIOS reboot to complete the process.

Has anybody tried this yet? This is my first run with Raid0 and I just want to make sure I won't run into any problems with this.