From: Tejun Heo <tj@kernel.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: dhdurgee@verizon.net, linux-ide@vger.kernel.org
Subject: Re: SATA II NCQ and multi-port support for ICH7
Date: Thu, 23 Jul 2009 14:24:01 +0900 [thread overview]
Message-ID: <4A67F3F1.4020405@kernel.org> (raw)
In-Reply-To: <4A674306.9040305@pobox.com>
Jeff Garzik wrote:
> ata_piix is loaded for legacy IDE emulation, and is limited by IDE
> interface in number of supported ports. NCQ is not supported by this
> interface.
>
> ahci driver supports "native mode", with full NCQ and all ports.
>
> ICH7 chip usually supports both legacy IDE and native AHCI modes.
Also, IIRC, ich7 ahci doesn't support PMP.
--
tejun
next prev parent reply other threads:[~2009-07-23 5:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-22 13:15 SATA II NCQ and multi-port support for ICH7 dhdurgee
2009-07-22 16:49 ` Jeff Garzik
2009-07-23 5:24 ` Tejun Heo [this message]
2009-07-24 13:16 ` Bjørn Mork
2009-07-24 16:22 ` Jeff Garzik
2009-07-22 18:04 ` Robert Hancock
[not found] <4A68CF40.1050708@kernel.org>
2009-07-24 12:02 ` dhdurgee
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