From: Tejun Heo <tj@kernel.org>
To: Todd Pfaff <pfaff@rhpcs.mcmaster.ca>
Cc: linux-ide@vger.kernel.org
Subject: Re: SuperMicro X8DTL-6F motherboard, Intel ICH10 SATA, SiI3726 SATA port multiplier
Date: Tue, 09 Mar 2010 17:14:22 +0900 [thread overview]
Message-ID: <4B96035E.80503@kernel.org> (raw)
In-Reply-To: <alpine.LMD.2.00.1002221542010.28521@rhpcserv>
On 02/23/2010 06:02 AM, Todd Pfaff wrote:
> Despite the appearance of partial success in my syslog messages below (ie.
> PMP appeared to sorta kinda be trying to work, almost), I've since read
> some more that leads me to believe that Intel ICH10 does not support PMP.
> And Intel authoritatively says so here:
>
> http://www.intel.com/Assets/PDF/datasheet/319973.pdf
>
> page 538, section 14.4.1.1, Bit 17
>
> Supports Port Multiplier (PMS) - R/WO. ICH10 does not support port
> multiplier.
> NOTE: This bit must be set to 0. Port multiplier is not supported by
> ICH10.
>
> So, I give up. I edited the wiki page here accordingly since it was
> wrong:
>
> http://ata.wiki.kernel.org/index.php/SATA_hardware_features
Eh... some variants of ich8/9/10's definitely support PMP as indicated
by the PMS bit. Reverting the edit.
Thanks.
--
tejun
prev parent reply other threads:[~2010-03-09 8:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-20 19:04 SuperMicro X8DTL-6F motherboard, Intel ICH10 SATA, SiI3726 SATA port multiplier Todd Pfaff
2010-02-22 21:02 ` Todd Pfaff
2010-03-09 8:14 ` Tejun Heo [this message]
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