Date: Mon, 12 May 2008 09:27:13 +0400 From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: Jeremy Chadwick <koitsu@freebsd.org> Cc: stable@freebsd.org, jonathan@kc8onw.net, sos@FreeBSD.org Subject: Re: ATA APM and NCQ support in FreeBSD atacontrol Message-ID: <4827D531.7000603@yandex.ru> In-Reply-To: <20080512030647.GA93725@eos.sc1.parodius.com> References: <29626.214.13.212.30.1210554531.squirrel@www.kc8onw.net> <20080512030647.GA93725@eos.sc1.parodius.com>
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Jeremy Chadwick wrote: > I believe NCQ is supported, assuming that your controller is operating > in AHCI mode and your disk supports NCQ. This mainly applies to Intel > ICHx controllers, but there are others which support it as well. > There's also NCQ support in non-AHCI drivers like hptmv(4), rr232x(4), > hptrr(4), and mpt(4) with SATA disks. No. ata(4) driver currently doesn't support/use NCQ. -- WBR, Andrey V. Elsukov
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