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Date: Fri, 19 Nov 2004 10:47:30 +0100
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To: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au>
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Subject: Re: sil3112a SATA Controller, current status
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Wilkinson, Alex wrote:
> Soren, I know that TCQ stands for 'Tagged Command Queing',=20
> but how about NCQ ?

NCQ =3D Native Command Queueing, semilar to TCQ but with different=20
commands and sematics, still limitted to 32 tags. IIRC there is no "bus=20
release" cycle in NCQ as SATA only has one device pr chain (well, as=20
long as you dont use port multipliers that is).

> And how does one find out if their SATA disk is really using a
> PATA-SATA converter chip ? smartmon ?

Either by asking then vendor or by visual inspection, you cannot tell pr =

software, at least not in any reliable way AFAIK.

--=20

-S=F8ren