Avago Technologies 3ware SAS 9750-16i4e - Manual (Page 187)

Updating the Firmware and Driver
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4 To continue, type:
y
5 If multiple controller cards are installed, select the ID number of the card
to upgrade, otherwise continue to next step. You must select the same
controller type selected in step 3, otherwise the upgrade will fail.
The update program lists the version of your present firmware.
6 To continue, type:
y
The program checks that the update program version of the firmware is
compatible. If it is, it begins installing the firmware. This will take 1 to
3 minutes. Do not power off your computer until the firmware finishes
updating.
7 If multiple controllers are being installed, repeat steps 3-5 for the next
controller.
8 Type q to quit, remove the bootable CD and reboot your system.