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P5N32E BIOS 1203 not giving me a better OC.

post #1 of 5
Thread Starter 
I have had the setup in my sig rig for awhile now and have been fooling around with it since I joined OCN. The only things I changed was a RMA for the mobo, installed a TRUE, and Crucial RAM.

First, my batch of E6600 (L646G) is not the best, and I realize that. Check out some of the recorded OC's for it in the link.

C2D OC by batch.

Second, I am fully aware of FSB holes and have done thorough testing to eliminate that possibility.

Okay here are some stats with the 1205, 1203 and 1103 BIOS.

Bios 1103 1205 1203

Max FSB 1556 1512 1572
vCore 1.4875v 1.425v 1.49375v
NB 1.3v 1.35v 1.35v
1.2vHT 1.2v 1.2v 1.2v
SB 1.5v 1.5v 1.5v
CPUVTT 1.55v 1.55v 1.55v
Multi 9x

RAM 2.175v left on Sync or set to 800 5-5-5-15 to eliminate it as a factor in OC.

There is an obvious difference in vCore, but I tested higher and couldn't get the FSB any higher so I lowered the vCore to lowest stable.

I have also tested with 8x, but was getting mixed results with that.

I was able to reach 1600QDR once with 1103, but had to get the vCore up to 1.5375v and there was no way I was going to run that 24/7.

Okay thats my life story.
The short question is. Is this the great OC BIOS everyone says it is? I was expecting to get to 3.6. Is that small increase of 16QDR all I can expect?
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Charlestown
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post #2 of 5
Hi, are you sure you need to push almost 1.5 volts through the CPU? IMO the NB-voltage is too low.
post #3 of 5
I don't know if I'm the only one but I tried 1203 and had a REALLY bad time with it. To this day I have no idea why but remember reading on the OCZ site that there were memory issues that were fixed in 1205. In my few posts I pasted that post over here and it gives rather long way of resolving the issues.

However I am happy with 1403, without better chipset cooling IMO I've gone as far as I can go anyway. Also I pencil modded to try and cut out some of those voltage issues.

But yeah, I find that hiking up the NB, SB does wonders though this chipset runs HOT even at stock. VTT seems to make no bad differences maxed out(uh, I am talking of the right setting? hmm sure I am...). I found better OC's are possible but the higher the FSB and higher the chipset voltages... well lets just say IMO chipset coolers are a good investment
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post #4 of 5
A active NBcooler is not only a good investment, it is needed to take the mobo to the next level. 1203 is brilliant for me, I actually noticed significant difference when I downdated my bios.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by nicoloco View Post
Hi, are you sure you need to push almost 1.5 volts through the CPU? IMO the NB-voltage is too low.
Yeah I am sure. If you notice in the batch link for this E6600 only one person got this CPU to 3.6 with less than 1.5v vCore. I have tried NB voltages all the way up to 1.5v, but saw little or no improvement.

Quote:
Originally Posted by nicoloco View Post
A active NBcooler is not only a good investment, it is needed to take the mobo to the next level...
Agreed. I rigged up a couple of fans just for testing, temps stay under 60C, but plan on ditching the stock heatsink in the next couple of months.

Quote:
Originally Posted by TheWire View Post
I don't know if I'm the only one but I tried 1203 and had a REALLY bad time with it. To this day I have no idea why but remember reading on the OCZ site that there were memory issues that were fixed in 1205. In my few posts I pasted that post over here and it gives rather long way of resolving the issues...
Yeah I have seen that post from OCZ. Corsair also has one to try and get the Mobo to run 1066MHz better.

I will keep trying different voltage combos, then test the 1302 and 1403 to see if there are any differences.
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Lola
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Charlestown
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