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Re: potential new build hardware, "arndaleboard" samsung exynos5,?2GB?ram




> -----Ursprüngliche Nachricht-----
> Von: Sander [mailto:sander@humilis.net]
> Gesendet: Dienstag, 4. Dezember 2012 15:17
> An: Phil Endecott
> Cc: debian-arm@lists.debian.org; Riku Voipio
> Betreff: [SPAM] - Re: potential new build hardware, "arndaleboard" samsung
> exynos5,?2GB?ram - Bayesian Filter detected spam
> 
> Phil Endecott wrote (ao):
> > Riku Voipio wrote:
> > >eSATA didn't work for me reliably, but sata code is still said to be
> > >work in progress
> >
> > Uh-oh, that doesn't sound good.  Presence of SATA is important and
> > needs to work well.  Is there something specific about eSATA, rather
> > than regular "internal" SATA?
> 
> I'm pretty sure it is SATA, not eSATA. I see some exynos5 specific patches pass
> by on the lkml, not all support is in mainline yet afaik.

You are right. Acording to the Samsung User Manual http://www.samsung.com/global/business/semiconductor/file/product/Exynos_5_Dual_User_Manaul_Public_REV100-0.pdf , the Exynos 5 has only one SATA port. From the wiring perspective eSATA and SATA are the same. eSATA only specifies mechanically and electromagnetically improved cables and connectors and a slightly improved signaling levels. I think the designer of the Arndale board "insignal" has placed the eSATA connector instead of an SATA one, because it's mechanically more resistant (connection cycles). The specification of the Exynos does not mention eSATA capabilities, so I would not try to connect a harddisk with cables up to 2m ;-) Threat it like a normal internal SATA port.

> 
> 	Sander
> 
> 
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