HighPoint RocketRAID 1740 - Manual (Page 54)

Note: The driver cannot be uninstalled while the system is booted from a disk or array
attached to the RocketRAID 174x.
To uninstall the driver, remove the lines added to /etc/modules.conf and /etc/fstab.
5 - Uninstalling the Driver
To uninstall the RocketRAID 174x driver
5-13
Linux Driver Support