linux-kernel - Re: Do ICH10+AHCI-driver support port-multiplying on a eSATA port?

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Date:	Mon, 12 Jan 2009 10:44:22 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Soeren Sonnenburg <kernel@....de>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux-ide <linux-ide@...r.kernel.org>
Subject: Re: Do ICH10+AHCI-driver support port-multiplying on a eSATA port?

Soeren Sonnenburg wrote:
> Dear all,
> 
> I am trying to connect an external 2-disk case (eCube II  see
> http://www.one-tech.com/EN/htm_ecube.htm) to an ICH10 skyburg dp45sg
> board via eSATA. As the case requires a port-multiplying sata card, I am
> wondering if ich10+ahci support it?
> 
> At least with 2.6.27.10 I am seeing only one drive. Connecting the case
> via usb gives two (dmesg parts below).
> 
> So is port multiplying not yet available for ahci or not at all or does
> the the ich10 not support it and I should rather try a sil 3132 or so?

ahci on ich10 can do port multiplier.  I can't tell from the web page
but if it's one of simg5723 and its friends, you'll need to put it
into JBOD mode using the dip switch or whatever.

-- 
tejun
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