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Hey all. Recently after seeing how lucky I was for getting a KACAE stepping in my 3700+ from a while ago, I decided to truly see how far I could overclock it(kept it stable at 230x11 @ 1.35 for a while when I had air cooling) now that I have gotten water cooling. After reading the Overclocking guide thoroughly and through my own personal experience, I decided to go for it. So far the highest I've been able to clock it was 255x11 @ 1.55 and it ran stable. I restarted to see if I could go any farther and, unfortunately, I couldnt. So I reset it back to 255, and it decided not to get two seconds into the Windows screen this time. So I set it to 250, played WoW for about 10 minutes and the computer reboots and I'm unable to run it again. I currently have it stable at 245x11 @ 1.55 but I'm curious as to how do guys get it past 3.0 @ 1.55 on AIR cooling? Am I doing something wrong? Is there a voltage/setting I should be fiddling with that I'm not? My current settings for everything is the 245x11 @ 1.55, RAM timings at DDR333 3-3-3-8.<br />
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Also, after all my settings, I ran Prime95 for 15-20 minutes and had Motherboard Moniter to watch my temps which those looked fine. Idle 23C, Prime95 load 34C.<br />
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I also do realize that I'm still getting nice clocks, but I would like to see how far I can go before calling a clock stable. <img src="/images/smilies/cool.gif" border="0" alt="" title="Cool" class="inlineimg" /> <br />
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Thanks much!! <img src="/images/smilies/thumb.gif" border="0" alt="" title="Thumb" class="inlineimg" />
 

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Not all KACAE's are known to perform over 2.8ghz, just most of them. I'm sure with a little more tweaking, you can get that magic 3ghz that you want.
 

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Oh I don't mind if I don't hit the 3.0 mark, I was just wondering why I can only get it so far. But hopefully should be able to get more kick out of the chip.. Thanks
 

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Originally Posted by <strong>TwIsTeDbOi</strong>

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<div style="font-style:italic">Oh I don't mind if I don't hit the 3.0 mark, I was just wondering why I can only get it so far. But hopefully should be able to get more kick out of the chip.. Thanks</div>

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</div>Have you lowered your HTT mutiplier to 3?
 

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Try keeping the voltage around 1.5. Most KACAEs I've seen prefer lower voltage until about the 3 Ghz mark.
 

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<div>Originally Posted by <strong>TwIsTeDbOi</strong></div>
<div style="font-style:italic;">Oh I don't mind if I don't hit the 3.0 mark, <b>I was just wondering why I can only get it so far.</b> But hopefully should be able to get more kick out of the chip.. Thanks</div>
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It may just be the chips limit. Nothing you can really do about that.<br>
Some tweaking with voltage and RAM I'm sure you could get it a bit higher. I'm going for a higher one tonight <img alt="" class="inlineimg" src="/images/smilies/biggrin.gif" style="border:0px solid;" title="Big Grin">
 

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You need a stronger divider on your memory. Your current one puts it at 212mhz when your CPU is at 255mhz. Lots of memory isn't happy even slightly over its limit.
 

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I can only tell you... The chipset will overheat at about 255 FSB, so you're pretty S.O.L. there.<br />
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My settings is 248 FSB, DDR333 and 4xHTT and 10xCPU. That gives me 2480 MHz.<br />
You should try the same, play a bit with dividers on your CPU, but stay below 250 FSB, as it seems to get unstable above.
 

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Discussion Starter #9
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Have you lowered your HTT mutiplier to 3?

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</div>EDIT: I guess I do have an HTT mutiplier. It's stuck in under Advanced chipset settings along with my RAM. It's always been on auto so I decided not to fudge with it since I never knew what it was.<br />
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Try keeping the voltage around 1.5. Most KACAEs I've seen prefer lower voltage until about the 3 Ghz mark.

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</div>See thats what I thought when I read that "Ultimate Guide to Overclocking", but if I go any lower than a 1.5 at my setting, the computer doesn't even get past the BIOS screen.<br />
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You need a stronger divider on your memory. Your current one puts it at 212mhz when your CPU is at 255mhz. Lots of memory isn't happy even slightly over its limit.

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</div>EDIT: You'll have to explain that to me. I know what you mean, but I have NO IDEA on how to change it.<br />
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<b>I can only tell you... The chipset will overheat at about 255 FSB, so you're pretty S.O.L. there.</b><br />
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My settings is 248 FSB, DDR333 and 4xHTT and 10xCPU. That gives me 2480 MHz.<br />
You should try the same, play a bit with dividers on your CPU, but stay below 250 FSB, as it seems to get unstable above.

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</div>I had a strong feeling someone was about to say that, lol. I have the QOTES version of the A8N(only heatsinks and heatpipes) and before I even started this, with my CPU at 230 it was ungodly hot. So you may be right. <img src="/images/smilies/frown.gif" border="0" alt="" title="Frown" class="inlineimg" /><br />
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Well I'll keep trying and seeing what I can do. But again, thanks for all your input. <img src="/images/smilies/thumb.gif" border="0" alt="" title="Thumb" class="inlineimg" />
 

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Originally Posted by <strong>TwIsTeDbOi</strong>

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I had a strong feeling someone was about to say that, lol. I have the QOTES version of the A8N(only heatsinks and heatpipes) and before I even started this, with my CPU at 230 it was ungodly hot. So you may be right. <img src="/images/smilies/frown.gif" border="0" alt="" title="Frown" class="inlineimg" /><br />
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Well I'll keep trying and seeing what I can do. But again, thanks for all your input. <img src="/images/smilies/thumb.gif" border="0" alt="" title="Thumb" class="inlineimg" /></div>

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</div>If it gets hot then just point a 80mm fan at it (actually blow over it) that should help.
 
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