From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gottfried Haider <gottfried.haider@gmail.com>
Subject: Re: sata link speed on amd hudson
Date: Fri, 8 Apr 2011 12:18:37 +0200
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To: "Huang, Shane" <Shane.Huang@amd.com>
Cc: Borislav Petkov <bp@alien8.de>, linux-ide@vger.kernel.org, "Petkov, Borislav" <Borislav.Petkov@amd.com>

Hi Shane,


>> ahci 0000:00:11.0: AHCI 0001.0200 32 slots 1 ports 3 Gbps
>
> http://marc.info/?l=linux-ide&m=128990190301535&w=2
> http://marc.info/?l=linux-ide&m=128996215115401&w=2
>
> Most likely your issue is same as the one above.
>
> To limit max SATA speed to 3 Gbps is decided by platform vendor
> like Lenovo, though our south bridge silicon can support 6 Gbps.

Can this bit be ignored/overwritten by the driver in theory?
How would you go on contacting the BIOS people working for Lenovo?

> BTW, do you find any BIOS option which can enable 6Gbps? suppose
> the answer is "no"...

nope, there is none.

thanks,
Gottfried