Re: P4C800-E Deluxe & NCQ


"Paul" <nospam@xxxxxxxxxx> wrote in message
news:nospam-2909050553170001@xxxxxxxxxxxxxxxx
> In article <5dI_e.79912$Cc5.7752@lakeread06>, "Guardian"
> <kguardian@xxxxxxxxxxxxxxxx> wrote:
>
> > Does the above boards promise controller support Native Command Queuing
> > (NCQ) or would I need to purchase a separate controller to have that
> > feature?
> >
> > Thanks,
> > Scott
>
> This paper explains that NCQ uses a couple of new SATA commands.
>
>
http://www.seagate.com/content/docs/pdf/whitepaper/D2c_tech_paper_intc-stx_s
ata_ncq.pdf
>
> This thread documents the hunt for command queueing:
>
> http://forums.storagereview.net/index.php?showtopic=15638
>
> "There are only 2 controllers right now that I am sure that
> supports NCQ, being the ICH6 on the new Intel chipset boards,
> and the Silicon Image 3124. I work in firmware at Maxtor,
> and the only controllers that we can run our NCQ tests on are
> the ICH6 and 3124. Now, the Highpoint 1829X I believe supports
> it as well, but we don't have drivers in our testing environment
> quite yet that support it"
>
> AHCI and NCQ are mentioned in the ICH6 data***, but not ICH5.
>
> There is so little info on 20378, there is no way to be sure
> what feature set it has got. I don't think Promise have web
> pages for their OEM chips. The chip also has a Marvell logo,
> but they are even more tight lipped about their products.
>
> I would _guess_ based on the age of the 20378, the answer would
> be no.
>
> Paul

Thanks Paul for the research you did and the links you provided, I believe
your guess is correct.

Scott


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