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Date:	Mon, 11 Feb 2008 16:58:14 -0800
From:	Tom Brown <thomabrown@gmail.com >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: AMD x2 questions

Content Type: text/plain

J R FOX wrote:
> I'm confused about a few things re these CPUs. For
> starters:
>
> "FSB: 2000MHz HT Speed"

I believe the "HT" refers to AMD's "HyperTransport" technology. See:

<http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_2353,00.html>

> Does this actually mean 1000MHz for each core, and
> therefore cumulatively 2000 ? If your MB has a listed
> bus speed of 1000, does that mean that this cpu (even
> though it appears on the "Compatible" list for that
> MB) would then have 1/2 of its capacity going to
> waste, if you bought it ? And I don't get the whole
> "FSB" business, anyway, as a description.
>
> "Cache: 2x 1MB"
>
> Will this offer inherently superior performance to an
> L2 cache that is 2 x 512 (assuming the cpu being
> compared is of the same speed) ?

"2x 1MB" means that there is a 1 MB cache for EACH of the processors. On the
theory that more L2 cache is better, I would choose 2x 1MB over 2x 512 (KB).

>
> And I would still like to get answers for these two
> questions that may have disappeared into the last few
> SCOUG server glitches:
>
> Is SMP support no longer an extra-purchase-required
> item for eCS ?

SMP support is included in eCS 2.0. It required an extra purchase for eCS 1.x.

>
> Is Martin's issue with getting dual-core running on
> his Tyan MB likely due to the prior matter, or getting
> it activated correctly if he does have it ?

Dunno here. It might be related to general woes related to ACPI which, I
believe, is a prerequisite for SMP. There are a number of switches for ACPI.PSD
which I do not yet understand. ACPI is a moving target which I have not yet
chosen to shoot at, although I do have one SMP capable system. I have had other
issues to deal with that are of higher priority. :-(

>
> (Incidentally, Martin, one of the reviews for that MB
> on ecomstation.ru's hardware section states that this
> MB has ACPI problems in XP and Linux . . . so perhaps
> eCS is just an addition to that list. You might also
> want to see if you have the latest BIOS for that
> board.)

HTH

--
Tom Brown, Catherder
thomabrown at gmail dot com
Member SCOUG, V.O.I.C.E., & SDAA

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