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Discussion Starter #1
hi,<br />
<br />
my current pc specs are ASUS A8N-E MB (nForce4 Ultra), AMD Athlon64 3200+, 2x512mb Corsair XMS DDR, Gainward Bliss 6800gs GLH.<br />
I have 2 problems:<br />
<br />
1) i have tried to overclock my cpu/ram, but if i raise the fsb more than 232 it just doesen't boot anymore. i have tried loosening the ram latency and cpu multiplier, but the same problem. if i set the fsb to 233 it just doesen't run anymore. Is this just a physical limitation from my mobo?<br />
<br />
2) i set the fsb to 230 mhz and multiplier to 10x, i restart, i reenter bios, it shows me cpu clock 2300 mgz. Good. i restart again. i let him go into windows...the problem is that here it shows me the fsb to 201mhz instead of 230.<br />
If i set the fsb from windows with AiBooster, it works fine then at 230 mhz... until i restart my computer, when it comes back to 201, even if it is set from bios to 230.<br />
<br />
Can anybody here please tell me why this is happening? <img src="/images/smilies/confused.gif" border="0" alt="" title="Confused" class="inlineimg" />
 

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perhaps a slight bump on the voltages for both may help. Also check your htt and set it to 4x and make sure AMD cool&quiet is disabled
 

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What is your htt set at, it should be 4x, and make sure your pci/agp bus is locked at 33/66, thermal throttaling is disabled, same with cool/quiet.
 

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Hi and WELCOME Tw33ty <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> <br />
Please fill in your "System Specs" via the USER CP at the top of the page, they will show up in every post and help others to help you <img src="/images/smilies/biggrin.gif" border="0" alt="" title="Big Grin" class="inlineimg" />
 

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Discussion Starter #5
first thx for info duke <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /><br />
cool&quiet is off.<br />
the multiplier is already at 4x.<br />
i have tried raising the voltages to 2.75 @ ram and 1.525 @ CPU and still not working <img src="/images/smilies/frown.gif" border="0" alt="" title="Frown" class="inlineimg" /><br />
i am checking now if the pci bus if it's locked ...<br />
EDIT: i don't have a pci bus clock in bios...just a pci express clock which is set to 100mhz<br />
And what is thermal throttling?
 

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Discussion Starter #6
nobody knows..? <img src="/images/smilies/frown.gif" border="0" alt="" title="Frown" class="inlineimg" />
 

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I have the same mobo and I know there's a PCI lock. Go under the JumperFree Configuration and I think it's the bottom one. It should be set at 33 MHz.
 

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Discussion Starter #8
<div style="margin:20px;margin-top:5px;">
<div class="smallfont" style="margin-bottom:2px;">Quote:</div>
<table border="0" cellpadding="6" cellspacing="0" width="99%"><tr><td class="alt2" style="border:1px inset;">
<div>Originally Posted by <strong>gonX</strong></div>
<div style="font-style:italic;">I have the same mobo and I know there's a PCI lock. Go under the JumperFree Configuration and I think it's the bottom one. It should be set at 33 MHz.</div>
</td>
</tr></table></div>
yes, i have found it...but the problem remains <img alt="" class="inlineimg" src="/images/smilies/mad.gif" style="border:0px solid;" title="Mad">
 

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Make sure you use "Manual" for both RAM settings and CPU settings.<br>
Perhaps a BIOS update and if you have the lates try flashing back down 1 version.
 

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Did you set a divider for the RAM? Sounds like you've exceeded the max speed for the RAM. Look for either fractions (ie. 5/5, 4/5, 2/3, etc.) or DDR speeds (ie. DDR400, DDR333, DDR266). Put a divider on the memory so that it won't run as fast as the fsb and see how it goes from there.
 

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Discussion Starter #11
yes, i have tried with 333 and 266, and lowering the latencies and it's still not working <img src="/images/smilies/frown.gif" border="0" alt="" title="Frown" class="inlineimg" />
 

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Take a look here...<br><a href="http://www.overclock.net/faqs/38169-info-asus-a8n-sli-motherboard-introduction.html" target="_blank">http://www.overclock.net/faqs/38169-...roduction.html</a>
 

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Discussion Starter #13
i have found the problem... i have upgraded the bios and now everything works fine <br />
htt 300 mhz<br />
cpu multiplier 8.5x<br />
htt multiplier 3x<br />
cpu clock 2550 mhz<br />
ram 2-3-3-6 2T<br />
ram divider 2/3<br />
<br />
it's a pretty stable overclock, i have run prime95 for over 2 and a half hours and it's still working. is the oc done well? <br />
the temps are 30-33 degrees idle and ~45 full load.
 

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Sounds good so far, I'd let Prime run for 6 hours to make sure Okay? You might be able to go higher if you set your timings to 3T and drop your muliplier in need be.
 

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If you have some as5 on that hsf you could easily get 2.6 like me <img src="/images/smilies/biggrin.gif" border="0" alt="" title="Big Grin" class="inlineimg" /> I've had it @ 2.75 but it went over 50 a couple of times when my ambient got over 80f in the apartment.<br />
<br />
Shaggyt<img src="/images/smilies/thumb.gif" border="0" alt="" title="Thumb" class="inlineimg" />
 

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if i set cpu multiplier to 9x and i run prime95, it fails after 1 minute or the computer restarts without question, even if the temps are ~35degrees <img src="/images/smilies/biggrin.gif" border="0" alt="" title="Big Grin" class="inlineimg" /> <br />
so, i think i will leave it like this for now
 

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It's probably RAM related then. The 1/2x effects the CPU speed by 1/2 but not the RAM... so in effect the RAM acts as though you have an 8x.<br>
Put up a screen shot of the RAMS SPD and give us your current RAM settings, perhaps we cah squeeze a little more out of it so you can up to a 9x <img alt="" class="inlineimg" src="/images/smilies/smile.gif" style="border:0px solid;" title="Smile">
 

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Discussion Starter #18
RAM SPD / current RAM settings / current cpu settings<br />
<a href="http://img122.imageshack.us/my.php?image=spdxx3.png" target="_blank"><img src="http://img122.imageshack.us/img122/2660/spdxx3.th.png" border="0" alt="" onload="NcodeImageResizer.createOn(this);" /></a> <a href="http://img319.imageshack.us/my.php?image=ramsettingsrw9.png" target="_blank"><img src="http://img319.imageshack.us/img319/9565/ramsettingsrw9.th.png" border="0" alt="" onload="NcodeImageResizer.createOn(this);" /></a> <a href="http://img87.imageshack.us/my.php?image=allsettingsbe0.png" target="_blank"><img src="http://img87.imageshack.us/img87/5192/allsettingsbe0.th.png" border="0" alt="" onload="NcodeImageResizer.createOn(this);" /></a><br />
<br />
i hope this help, i want to squeeze the best out of my computer <img src="/images/smilies/cool.gif" border="0" alt="" title="Cool" class="inlineimg" /><br />
<br />
EDIT: btw, even if CPU-Z shows that at 133mhz it has 2-2-2-6 latencies, it's specs written on box are 2-3-3-6 (i have managed to get them running @ 2-3-2-6 at the same HTT as now though, even if it wasn't like that when i took the screenshot)
 

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Ok, since it seems to do well @ 200MHz with the extra tight timings, try using the the 3-3-3-8 or even 3-4-4-8 with a default setting of DDR400 and see how high they will go stable with the safe max voltage! You may be supprised <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" />
 
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