Help with problems when decreasing multiplier

 >It's because the multiplier is locked on the CPU, and so far there is no
 >way to unlock it. You would have been better off with the XP2500+,
 >since it has a lower multiplier.

At least it´s locked at 12.5 :p LOL

Any hint on how to get higher FSB with my current hw? BTW which
kind of memory settings do you recommend?

TIA

JL<!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: Help with problems when decreasing multiplier 

JL wrote:
  >> It's because the multiplier is locked on the CPU, and so far there
  >> is no way to unlock it. You would have been better off with the
  >> XP2500+, since it has a lower multiplier.
 >
 > At least it´s locked at 12.5 :p LOL
 >
 > Any hint on how to get higher FSB with my current hw? BTW which
 > kind of memory settings do you recommend?
 >
 > TIA
 >
 > JL

Can't see anyway to go higher with the FSB unless you try increasing the
CPU core voltage. That may get you higher.
Memory timings, since you're underclocking it, can probably be set at
CAS 2.0, 2,2,6 or 3,3,7 if that doesn't work.<!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: Help with problems when decreasing multiplier 

JL wrote:
  >> It's because the multiplier is locked on the CPU, and so far there is no
  >> way to unlock it. You would have been better off with the XP2500+,
  >> since it has a lower multiplier.
 >
 > At least it´s locked at 12.5 :p LOL
 >
 > Any hint on how to get higher FSB with my current hw? BTW which
 > kind of memory settings do you recommend?

Don;t know much about your RAM, check the manufacturers website, or the
documentation that came with it and set it to that. It's rated to 200MHz so
you should be fine.

It could be that the CPU just doesn't like 200MHz FSB, coax it with a little
more voltage, but I suggest you install and configure MBM5 and check the CPU
DIODE temp is sane, especially if you start upping the voltage. Go easy
with it (one notch at a time is best)

You will need memtest 86 to check stability of RAM and Prime95 Torture test
to check stability of CPU. Any errors at all and it is unstable. Best to
run each for an hour minimum to check final stability. 5 minutes is
probably enough when increasing speeds slowly. If one or other is unstable,
you can increase the voltage, provided temps are sane, bear in mind that you
have no idea what temp your RAM is. I would suspect that you can get away
with 2.8V in a cool case without worry, but as always with overclocking,
it's a risk you are taking.

Ben
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 >> Stay informed about: Help with problems when decreasing multiplier 

Thank you guys for your help. Will try and let you know.

How high can I go with the CPU core?

Any other hint on how to push some extra steps on the FSB will be
more than welcome :p

I should have bought the 2600!!! What an idiot lol

JL
 >> Stay informed about: Help with problems when decreasing multiplier 

Ben,

I've read a lot of people in this group with configs like mine (or
worse) that get easily to 200 FSB... I think I cannot make it further
tan 183 (looks like my cheap RAM is the guilty although it's
PC3200)...

Do you think that 182 FSB is a decent OC? Or should I try to find a
way to get more juice out of my rig... (I'm kinda dissapointed)

TIA

JL
 >> Stay informed about: Help with problems when decreasing multiplier 

JL wrote:
 > Ben,
 >
 > I've read a lot of people in this group with configs like mine (or
 > worse) that get easily to 200 FSB... I think I cannot make it further
 > tan 183 (looks like my cheap RAM is the guilty although it's
 > PC3200)...
 >
 > Do you think that 182 FSB is a decent OC? Or should I try to find a
 > way to get more juice out of my rig... (I'm kinda dissapointed)

XP 2500+ on my A7N8X Deluxe will not go much beyond that either... it's also
very hot at over 60°C loaded, and that's at default voltage. I'm using
Arctic Silver 3 and a huge chunk of copper so there's no explaining it.

My RAM is happy at 220MHz 7-2-2-2 (Corsair TwinX1024-3200LL). My only
thoughts are that the CPU just doesn't like a high FSB... must have been one
that failed the 3200+ grade (rather than just not being tested).

I'm reluctant to try much higher voltage than default due to the temps, but
I have completed a test of Aquamark3 at 220MHz FSB (although Prime95 fails
almost immediately at that speed) with some rather nice scores, but temps
exceeding 70°C. I think the multiplier was 10.5 to give a little over
2.3GHz. I generally run at stock though, just don't need the speed... been
running all games at 1600x1200 full detail without problems.

One day I'll get round to doing some more thorough testing to determine if
it's FSB, total clock, voltage or heat that is limiting the CPU.

Ben
--
A7N8X FAQ: <a style='text-decoration: underline;' href="http://www.ben.pope.name/a7n8x_faq.html" target="_blank">www.ben.pope.name/a7n8x_faq.html</a>
Questions by email will likely be ignored, please use the newsgroups.
I'm not just a number. To many, I'm known as a String...<!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: Help with problems when decreasing multiplier