driver for Adaptec 71605H

Good day community, it is generally necessary to add a driver for Adaptec 71605H order to make RAIDZ of 6x4Tb Hdd. If I imagine that I need to do the following: there is a file from the manufacturer for adp80xx_freebsd_drivers_b10624.tgz FreeBsd from there I take the actual driver itself pmspcv.ko and as I understand I need to add it to /boot/kernel/ afterward then add to autostart. But when you try to copy the driver

cp /mnt/usb1/freebsd9.1/x64/pmspcv.ko /boot/kernel/pmspcv.ko system swears...

driver for Adaptec 71605H