Date: Tue, 27 Jul 2010 13:27:27 -0400 From: Jerry Bell <jerry@nrdx.com> To: freebsd-questions@freebsd.org Subject: Re: How to enable NCQ on freebsd 8.1 ? Message-ID: <4C4F16FF.8090001@nrdx.com> In-Reply-To: <AANLkTimpAm-QRUB7i1Nsdk9X=fq0xEmx_rqgFYznRbgH@mail.gmail.com> References: <AANLkTimpAm-QRUB7i1Nsdk9X=fq0xEmx_rqgFYznRbgH@mail.gmail.com>
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I believe you need to use AHCI. I recently moved a test system over to AHCI and this is what I see at boot time for my hard drive: ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: <ST31000528AS CC34> ATA-8 SATA 2.x device ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada0: Command Queueing enabled ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C) Regards, Jerry On 7/27/2010 12:47 PM, Nickolay Krylov wrote: > Hi, all. > > I have enabled "options ATA_CAM" in the generic kernel and now can't understand > NCQ works or not.
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