As @PhoneBoy already mentioned, you might try the R81.20 ISO, as the new linux kernel in R81.20 contains additional drivers. It's the first ever release from Check Point that can install on (U)EFI (no longer required to enforce legacy BIOS boot), it can boot from USB 3.X flash drives, and it supports hard drive controllers such as PVSCSI (VMware Paravirtual) etc.
But your installation would be unsupported even if you can install R81.20. Keep that in mind. But I have never experienced Check Point TAC verifying whatever hard drive controller and driver the installation is running. So if you can install R81.20, you will most likely not run into issues with Check Point TAC due to it. But you might be unlucky and not get support.
Another option is to not run any RAID configuration on the PERC H755. When not enabling any RAID setup, most disks will end up being passed along without the need for any PERC H755 specific drivers. But then you won't have any kind of disk redundancy of course.
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