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puppetmasta

sound going out when overclocking

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Hi all,

 

I'm currently trying to get my overclock stable and have been running into some issues with sound dropping after extended periods of use.

 

I'm running at 185 x 13 (2400 mhz) on my AXP-M 2600+ and all temps seem fine. My cpu temp is stable at 41C and my board temp is stable as well at 39C - 40C. All seems fine except that after a few games of Quake 4 the sound drops.

 

I check the temp on my southbridge by just touching it with my finger and it was incredibly hot. I'm assuming the sound is dropping due to the heat generated by the SB so I have a southsink from microcool in the mail to try and resolve this.

 

Any other ideas? Once the sound drops things still run just fine, I've even run Prime95 for about 30 minutes and its seems solid @ the clock i mentioned above.

 

Is there anything else I should check related to the sound going out?

 

Thanks,

Dave

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My guess would be the south bridge overheating also.

 

You could take the side off of your case and point a desk fan at the south bridge. Then start a Quake 4 marathon and see if the sound drops.

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It may be the way you have it overclocked...? You post 185 x 13 (2400)

 

If you have ddr3200 (400) have you tried running 200 x 12...? most all mobiles will boot at 200x11 (2200) it may like it better there.... I do agree that the southbridge needs more cooling....when it gets hot the sound get choppy....

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Thanks for the response guys.

 

king of nothing, I'll try the desk fan and see how it holds up. Will the fan really help if the SB doesn't have a sink on it?

 

dr_bowtie, You may be right about the way I have it overclocked. I am oc'n via the nvidia clockgen utility so I haven't tested trying to boot in with 185 x 13. When I was overclocking previously I had issues booting in with any fsb higher than 145, no matter what my multiplier was set at. It might be that I need to try one of the more specialized bios' out there to achieve the clock I want on boot.

 

What do you think?

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Even without a heatsink, running with the side off and a desk fan blowing on the south bridge should give you some idea of whether or not extra cooling will solve your problem.

 

It seems strange that you have a hard time getting it to boot over 145. I'd loosen the timings, drop the multi to 10, and make an effort to at least get to 200. I don't think you should need a special bios to get there.

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Even without a heatsink, running with the side off and a desk fan blowing on the south bridge should give you some idea of whether or not extra cooling will solve your problem.

 

It seems strange that you have a hard time getting it to boot over 145. I'd loosen the timings, drop the multi to 10, and make an effort to at least get to 200. I don't think you should need a special bios to get there.

 

I just went into BIOS knocked my multiplier down to 10 and left my fsb at 145. Booted into windows and attempted to set my fsb to 200 in clockgen. Instantly froze up.

 

I left my ram at tight timings b/c these ocz sticks are meant to run at DDR400 (200mhz) at 2-2-2-11 and I'm using the 1:1 cpu fsb to ram fsb.

 

Update :

 

Just tested loosening the timings from 2-2-2-11 CPC Enabled (1T) to 2.5-3-3-11 CPC Disabled (2T). I then booted with with 145 x 10 and attempted to raise the fsb to 190 in clockgen... froze up again.

 

So I don't think its my ram.

 

Any ideas? Maybe APIC would make a difference? I've just heard people trying to disable it, not sure what it does really.

 

It's really weird that the processor won't go to 200fsb. It runs really cool at 185 x 13 so I would think the SP-97 I have on there is working really well (41C load).

 

Could it have anything to with the fact that I did the warmod? I thought the warmod only made the lpb's recognize your chip as a mobile and nothing more.

 

Any help from anyone would be awesome! thanks!

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For one dude, start at 166 ;).

Crossing table with aggressive timings of any sort will result in a no go ;).

So leave the timings alone, or keep them slack, get up to 166, and tighten then.

 

If you ever want 200+, you're gonna want to start at 200.

 

Tables are as follows:

 

100-132

133-165

166-200

 

Ie:

100

133

166

200

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Could it have anything to with the fact that I did the warmod? I thought the warmod only made the lpb's recognize your chip as a mobile and nothing more.

I think the warmod is just to make it boot to a different default voltage and it somehow fixed the cold boot problems some people were having before the 6/19 BIOS came out.

 

It might be helpful to try the L12 mod. Given your current situation I'd probably set it to default to 166 instead of 200.

 

Is there a reason you have 1.9v going to your chipset? That sorta seems like overkill when you aren't even up to stock speed for the chipset yet. It probably isn't helping with the overheating south bridge thing either.

 

Have you tried using just one stick of RAM? And maybe experiment with different slots to see if it makes any difference.

 

If I were you.... I'd probably pull out the warmod, do the L12 to 166, and use one stick of RAM. Then clear the CMOS, boot, load optimized defaults, and see if it does any better. Don't know if it'd do any good, though. :rolleyes:

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Is there a reason you have 1.9v going to your chipset? That sorta seems like overkill when you aren't even up to stock speed for the chipset yet. It probably isn't helping with the overheating south bridge thing either.

 

I actually have my chipset voltage set to auto now. Forgot to update my sig. :)

 

Have you tried using just one stick of RAM? And maybe experiment with different slots to see if it makes any difference.

 

That's probably a good idea. The only thing that makes me cautious about that is the last time that I went installing new hardware on the board I got the 4 LEDs of death. I'll make sure to set to defaults before swapping out the ram so I'll hope that will prevent it. I'll keep my bios saviour handy though :)

 

If I were you.... I'd probably pull out the warmod, do the L12 to 166, and use one stick of RAM. Then clear the CMOS, boot, load optimized defaults, and see if it does any better. Don't know if it'd do any good, though. :rolleyes:

 

I'll take a look at the L12 mod. When you say 'L12 to 166' I'm guessing that fsb? Thanks for the suggestions, i'll let ya know what I find out.

 

Oh I also put a box fan up to the side of my case last night and I was running extremely cool at 185x13. My cpu was at 38C - 39C all night and I never had any sound drops after playing Q4 for about 2.5 hours. So my problems there are obviously heat related. I'll see how the southsink does when it arrives. I also have 4 of the high power panaflo 80mm case fans coming as well so hopefully that will help with the airflow.

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what speed of ram do you have.....?

 

If it is ddr3200....then forget about the clock gen and just set the bios at 200x10 and boot it...

 

I have everything set to "auto" except for AGP set to 66....cpu frequency set to 200....multiplier set to 10....

 

If you have the FQQ4C cpu then the default vcore will get you running....(1.45cpu(defaults to 1.55v) the FKT4C will need 1.65vcore or more....

 

I have the same bios on my board....I did nothing more than change those settings with the stock bios...set it 200x10 and loaded windows...prime stable...memtest too I now run 210x11....on Infineon ram..

 

On my other box it has the 6/19 bios (stock) and XBLK and I fired it up and reset it to 220x10 out of the box...it booted and passes test easy for 8hour on 1.65core...

 

EDIT: I use a ThermalTake Tiger heatsink for my south bridge...this is for a Intel board.... I remove the spring clips and then glue it to the southbridge.... I only have two case fans....both in the side window on the bottom (90mm) and is ver quiet....

 

Unless you have a problem 200x10 is no problem for most mobiles....should be able to post that with no arguement from the board....

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what speed of ram do you have.....?

 

If it is ddr3200....then forget about the clock gen and just set the bios at 200x10 and boot it...

 

I have everything set to "auto" except for AGP set to 66....cpu frequency set to 200....multiplier set to 10....

 

If you have the FQQ4C cpu then the default vcore will get you running....(1.45cpu(defaults to 1.55v) the FKT4C will need 1.65vcore or more....

 

I have the same bios on my board....I did nothing more than change those settings with the stock bios...set it 200x10 and loaded windows...prime stable...memtest too I now run 210x11....on Infineon ram..

 

On my other box it has the 6/19 bios (stock) and XBLK and I fired it up and reset it to 220x10 out of the box...it booted and passes test easy for 8hour on 1.65core...

 

EDIT: I use a ThermalTake Tiger heatsink for my south bridge...this is for a Intel board.... I remove the spring clips and then glue it to the southbridge.... I only have two case fans....both in the side window on the bottom (90mm) and is ver quiet....

 

Unless you have a problem 200x10 is no problem for most mobiles....should be able to post that with no arguement from the board....

 

I agree that the ram shouldn't be a problem. The issue is that it won't boot in with any fsb above 145. So I would put it at 200 x 10 if I could, but it won't boot!!!! My first steps are probably going to be to reflash the bios and double check that its not corrupted in any way.

 

I can't think of any other reason why it wouldn't boot in with 200 except that maybe the mobile 2600 that I got is a crappy one and won't hold more than 185fsb. :(

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