nForce4-SLI, AHCI and NCQ and FreeBSD 6.0

jason jason at
Thu Sep 22 19:14:55 PDT 2005

O. Hartmann wrote:

> Hello.
> I have a little question about the popular nForce4-SLI chipset for the 
> Socket 939 platform. The onboard SATA controller of the nForce4-SLI 
> chipset claims to be NCQ (or SATA II) capable, but nVidia implemented 
> this feature in a not-AHCI-standardised way, but as an own solution. 
> My question is: Is the FBSD 6.X driver for the nForce4-SLI chipset 
> capable of using NCQ (as I know, the driver has to enable NCQ and it's 
> not done automatically by the harddrive-controller interaction).
> Thanks in advance,
> Oliver
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Regaurdless of what the motherboard manufacturer says a SilI3114 SATA 
controller is SATA spec 1.0.

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