HighPoint RocketRAID 2644X4 - Manual (Page 78)

6 - Uninstalling
You can only uninstall the driver when your system is not booting from devices
attached to RR2644 controller. Just remove the line
rr2644_load=”YES”
in /boot/defaults/loader.conf, and then delete the driver module /modules/rr2644.ko
or /boot/kernel/rr2644.ko .
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