*****Official ASUS MAXIMUS FORMULA thread*****

Hi, actually the last bios is dated the 18/12, a bit overdue for another but not 2 months.

B0dh1:
What other settings have you got in your extreme tweaking bios?
Chris
 
chriscatt, I've taken some sreenshots of my BIOS for you. Hope this helps:

By the way, running 4GB OCZ PC2 6400 Reaper RAM as well.

p1230013we0.jpg

p1230014qa0.jpg

p1230015sl6.jpg
 
Hi again, disable both CPU Spread Spectrum and PCIE Spread Spectrum, I would also prefer to set the cpu voltage manually, I think it is between 1.187-1.325 for the E6420...
Chris
 
Actually, saying that, I manually set the voltage, and the PC refused to reboot. The BIOS then informed be that the overclock had failed!

Setting the CPU voltage back to AUTO fixed the problem.
 
Hi, you could try 12 instead of 15 in the timings, but I don't know your ram and whether that would make much difference. Personally, if your cpu temps are ok, I'd go for a higher clock with that and up the dram frequency, depending on what auto is giving you, however one at a time, get the cpu right first.
There is a good thread about this motherboard here http://www.xtremesystems.org/forums/showthread.php?t=168119 and a very long one here http://www.xtremesystems.org/forums/showthread.php?t=160945
Chris

EDIT: Just read you post, if that happens you need to up the cpu volt slowly until you are stable..
 
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I love this motherboard, everything has worked flawlessly so far. I haven't done much stress testing yet but currently running nicely my Q6600 at 400x9 without any tweaking and 8Gb RAM too, all at stock volts atm.
 
Just bought the mobo tonight :) Looking forward to getting it on Saturday. Is there anything that I have to watch out for when building/running up for the first time? Its been a while since I last built up my old rig which was almost three years ago!

Any help, will be great. (Spec in sig)

Cheers
 
Strange, I don't seem to be able to change the settings at all without the PC failing to boot. Even if I set the voltage to 1.1000, it still fails. I tried upping the FSB frequency alone to 433 and that failed. It seems that every slight change I now make causes the PC to fail. Is my CPU limiting me, or is this the board? I'm confused, never had this many issues before. Previous board simply clocked and then failed during benchmarks etc.
 
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B0dh1 said:
Strange, I don't seem to be able to change the settings at all without the PC failing to boot. Even if I set the voltage to 1.1000, it still fails. I tried upping the FSB frequency alone to 433 and that failed. It seems that every slight change I now make causes the PC to fail. Is my CPU limiting me, or is this the board? I'm confused, never had this many issues before. Previous board simply clock and then fail during benchmarks etc.
Click to expand...

Which voltage are you setting to 1.1v
 
The problem I'm having is it won't accept any values I enter manually, from what I can tell. Initially I tried a few values in between the 1.187 - 1.325 range, as suggested above, but when these failed to work I started from the bottom. That's when it failed on 1.1v. Being a bit of a noob to this, I'm not sure if it's me being an idiot, or my system just not playing ball.

That said, I can't really complain about a steady 3.2Ghz from my E6420 with most settings on AUTO.

Memory is 4GB OCZ PC2 6400 Reaper HPC (2 matched DIMMS) (new)
Cooling is Noctua NH-U12P
CPU is Intel C2D E6420
PSU is Antec Quattro 850W (new)
 
Set the following as you may be getting speed step giving you strange values in windows compared to your settings in bios

CIE Support (disabled)
CPU TM Function (dis)
Vanderpool Technology (dis)
Execute Disable Bit (dis)
Max CPUID Value Limit (dis)

and as said by Maddness cpu volts "1.4v ish" and keep an eye on your cpu temp. Raise cpu voltage slowly and keep an eye on those temps , if you have good air cpu cooling then the max i would go to is 1.45v
 
I had already disabled those features.

You were right on the voltage front though. 1.4v works fine. Looks like I was simply not giving the CPU enough juice.

Should I be attempting to raise the CPU voltage further than 1.4? Is this to allow me to increase the FSB, and if so, what's the best steps to hop up on on the FSB frequency?
 
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