Athlon XP-M 2600+ and Asus A7N8X-E Deluxe - no higher mult..

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Archived from groups: alt.comp.periphs.mainboard.asus,alt.comp.hardware.overclocking.amd (More info?)

Can someone clarify something for me? I was always under the impression that
the multiplier values valid for an Athlon CPU were built into the CPU, and
not into the motherboard.

However, I picked up an Athlon XP-M 2600+ from NewEgg, which is supposed to
run at 133x14 by default (or was it 133x14.5?). However, I can't get any of
the higher multipliers to work. They all work as their lower counterparts on
this CPU. I can get a 6X multiplier, but not a 14X multiplier, for example.

Anyone have any idea why this is? I plan on boosting the FSB and reducing
the multiplier (gingerly pushing it up, currently have it at 190x11, knowing
full well that it should be able to go quite a bit faster). But I'm still
curious about this.

Thanks

--
Erik Harris n$wsr$ader@$harrishom$.com
AIM: KngFuJoe http://www.eharrishome.com
Chinese-Indonesian MA Club http://cimac.eharrishome.com

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Archived from groups: alt.comp.periphs.mainboard.asus,alt.comp.hardware.overclocking.amd (More info?)

Because of the different bridge configuration on mobile CPU's the multiplier
is not recognised properly on desktop boards.... they all get recognised a
6x. If you had a motherboard that supported 5th bit multiplier control you
would have manual access to the full range, however your board obviously
does not have this feature so for a CPU that is recognised with a multi 12.5
or below ,you only get access to multi's up to 12.5, for a CPU with default
multi higher than 12.5 you get access to the multi range 12.5 to 24x.
You can wire pins to make the default multi higher if you wish.

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"Erik Harris" <n$wsr$ader@$harrishom$.com> wrote in message
news:v348i0pkqnji1pssqhjsj40k2ve0shv4fi@4ax.com...
> Can someone clarify something for me? I was always under the impression
> that
> the multiplier values valid for an Athlon CPU were built into the CPU, and
> not into the motherboard.
>
> However, I picked up an Athlon XP-M 2600+ from NewEgg, which is supposed
> to
> run at 133x14 by default (or was it 133x14.5?). However, I can't get any
> of
> the higher multipliers to work. They all work as their lower counterparts
> on
> this CPU. I can get a 6X multiplier, but not a 14X multiplier, for
> example.
>
> Anyone have any idea why this is? I plan on boosting the FSB and reducing
> the multiplier (gingerly pushing it up, currently have it at 190x11,
> knowing
> full well that it should be able to go quite a bit faster). But I'm still
> curious about this.
>
> Thanks
>
> --
> Erik Harris n$wsr$ader@$harrishom$.com
> AIM: KngFuJoe http://www.eharrishome.com
> Chinese-Indonesian MA Club http://cimac.eharrishome.com
>
> The above email address is obfuscated to try to prevent SPAM.
> Replace each dollar sign with an "e" for the correct address.

 

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Archived from groups: alt.comp.periphs.mainboard.asus,alt.comp.hardware.overclocking.amd (More info?)

On Thu, 19 Aug 2004 06:12:37 +0100, "BigBadger" <big_badger@NOSPAM.com>
wrote:

>Because of the different bridge configuration on mobile CPU's the multiplier
>is not recognised properly on desktop boards.... they all get recognised a
>6x. If you had a motherboard that supported 5th bit multiplier control you
>would have manual access to the full range, however your board obviously
>does not have this feature so for a CPU that is recognised with a multi 12.5
>or below ,you only get access to multi's up to 12.5, for a CPU with default
>multi higher than 12.5 you get access to the multi range 12.5 to 24x.
>You can wire pins to make the default multi higher if you wish.

Thanks for the explanation! No need to modify the CPU, I don't plan on using
any of the higher multipliers. I'd much rather use higher bus speeds.

Another XP-M question - for those using the XP-M chips on desktop boards,
does 3DMark2003 recognize your chip as a Duron? Most software I've used
recognizes the XP-M as an XP-M, but 3DMark2003 tells me I've got a 2100MHz
Duron. Like with my last question, I'm not overly concerned, just curious.

--
Erik Harris n$wsr$ader@$harrishom$.com
AIM: KngFuJoe http://www.eharrishome.com
Chinese-Indonesian MA Club http://cimac.eharrishome.com

The above email address is obfuscated to try to prevent SPAM.
Replace each dollar sign with an "e" for the correct address.