AHCI and Highpoint Rocket 750

[FF]

oh nice! so it "just works" -- is there any way to verify it?

Is there any reason to use the highpoint driver when the native FreeBSD one
seems to work?

thanks!!

On Mon, Jan 22, 2018 at 1:26 PM, Alan Somers <asomers at freebsd.org> wrote:

> On Mon, Jan 22, 2018 at 11:08 AM, FF <fusionfoto at gmail.com> wrote:
>
>> I have a machine with the Highpoint card and motherboard based SATA
>> drives.
>> The drives from the MB support AHCI and appear as ada0-8. The drives on
>> the
>> highpoint card whether using native FreeBSD support or the Highpoint
>> provided driver show up as da9-39.
>>
>> It is my understanding that AHCI is needed to support NCQ... I'm wondering
>> what I need to do to get AHCI enabled. This seems to happen in both
>> FreeBSD
>> 9 and FreeBSD 10.
>>
>> thanks in advance!
>>
>
> AHCI has nothing to do with it.  The driver presents itself to the OS as a
> SCSI HBA, even though the drives are SATA.  In fact, it might actually be
> using a SCSI IC, but firmware-restricted to only connect to SATA drives.
> In any case, the OS is going to try to use TCQ, and either the driver or
> the firmware is going to translate those queued commands into NCQ.  You
> don't need to change anything.
>
> -Alan
>
>


-- 
FF