From: Robert Hancock <hancockrwd@gmail.com>
To: Tom van Klinken / ISP Services BV <tom@isp-services.nl>
Cc: linux-ide@vger.kernel.org
Subject: Re: Problem with ICH10R and Port Multipliers
Date: Mon, 19 Oct 2009 18:46:54 -0600 [thread overview]
Message-ID: <4ADD087E.1050005@gmail.com> (raw)
In-Reply-To: <4ADC9058.4090701@isp-services.nl>
On 10/19/2009 10:14 AM, Tom van Klinken / ISP Services BV wrote:
> Hi,
>
> I've got a Intel DG45FC motherboard that I would like to integrate into
> a NAS system.
>
> This board has the ICH10R chipset and from what I have understood this
> chipset should support port multipliers.
> (http://www.intel.com/design/chipsets/matrixstorage_sb.htm)
>
> However it does not, it also does not show 'pmp' support in the AHCI flags.
>
> After contacting Intel they told me that Port Multipliers are not
> supported on their boards.
>
> Did they deliberately turn PMP support off?
According to the datasheet:
http://www.intel.com/Assets/PDF/datasheet/319973.pdf
page 538:
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.
next prev parent reply other threads:[~2009-10-20 0:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-19 16:14 Problem with ICH10R and Port Multipliers Tom van Klinken / ISP Services BV
2009-10-20 0:46 ` Robert Hancock [this message]
2009-10-20 1:49 ` Tejun Heo
2009-10-20 7:02 ` Tom van Klinken / ISP Services BV
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