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**Official ASUS P5Q PRO Turbo/PRO/Turbo Owners Club** (All ASUS P45 Mobo Owners Welcome!) - Page 559

Poll Results: Do you prefer the new OCN?

 
  • 35% (32)
    Yes!
  • 15% (14)
    No!
  • 14% (13)
    Yes and No!
  • 34% (31)
    Don't give a damn about it! (LOL)
90 Total Votes  
post #5581 of 6457
Aye, 10 is the default PL, 9 is a nice boost and getting to 8 means you're either God or sacrified some speed elsewhere to get it there. IMHO PL 11 cuts so much performance that you end up with better overall speed just optimizing to get as much out of 10 as possible. Enabling pull-ins seems to have the same effect as dropping to a lower PL but with some extra stability. Ultimately, changing PL by even one has probably the biggest measurable impact on CPU<->RAM throughput/latency but it's the most voodoo-like thing in the BIOS menu because nobody seems to know how Asus designed it to work.

Thanks for the rep, jetpak, now I'm only one rep away from being able to sell on the OCN Marketplace smile.gif
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post #5582 of 6457
The pull-in phases bring only instability. The performance boost is so little compared to what you get as stability, so in my experience - it's not worth playing with them. Getting a lower PL is worth though tongue.gif Right now I'm @ FSB 475x8.5 with RAM @ 1200MHz 7-7-7-20 PL9 and I get better results compared to CL9 1333mhz and 1600mhz with PL10 or 11.
post #5583 of 6457
Thanks again guys. cheers.gif

I am currently running at 3.8 GHz (450x8.5) @ 1.38V, and it seems pretty stable. Temps max to 50C in Prime. cool.gif

However, I am having a problem with something though. I'm getting a "USB device not recognized" error in Windows. Its my front panel USB hub. I read somewhere that if you're running high FSB, your NB can become overloaded and may not power auxillary devices, such as USB things, properly.

So I increased vNB from 1.2 to 1.3 incrementally, but there was no change. Should I go further, or is there another setting I should play with? It worked fine when I was at 400 FSB.
post #5584 of 6457
Go into the BIOS and check your "Legacy USB" settings. Try with AUTO and DISABLE. If there is no change go to PCI PnP and there change Plug and Play O/S to Yes. See if that will solve your problem.
You also may need more NB juice. 1.20v with 450FSB and 8GB RAM seems a bit low. Somewhere around 1.3 should be your goal. Try to increase it up to 1.36v, since it's perfectly safe and see if there will be any difference.
Also if you are at 450FSB I would advise you to use FSB Strap 400 (1200MHz ram preferably with 7-7-7-20) to find your sweet spot for the NB. After you are 100% sure that your vNB is fine, you can set your performance level manually to 9 as it will give you the same performance boost as if you were using 1333mhz ram, but it will be much more easily to get stable with. Remember that the P45 officially supports only 1066mhz ram and going above that in a combination with high FSB and large amount of RAM could be a problem sometimes.
Since we have very similar systems, I would advise you to use 450 FSB with 1200MHz RAM @ 7-7-7-20 with RAM voltage 1.55v and 475FSB with 1266MHz RAM @ 7-7-7-20 with 1.55v. That would be your best performance/stability formula + as I said after you are 100% stable you can set your performance leve manually to 9 and that will give you a boost in your RAM speed and latency like if you were running much higher frequencies than just 1200/1266 mhz.

Here are comparisons between 1200MHz CL7 and 1333MHz CL7. The first one requires only 1.55v to be stable while the second one needs 1.65 and more NB voltage, while not offering better performance.
1200cl7pl9.jpg

380ghzaida64.jpg
Edited by cvtmih - 4/25/12 at 11:07am
post #5585 of 6457
@ cvtmih

Thanks for all the tips once again! cheers.gif

I didn't bother with the USB settings for now. I think the USB controller is actually in the SB and not the NB, so I was adjusting the wrong voltage. However, increasing vSB up a notch or two had no effect either. Actually, at one point when I booted up with your settings for 1200MHz RAM @ 450 FSB it worked, but since restarting to tweak vCore, it stopped again. rolleyes.gif I think I need to reseat the plug on the motherboard.

I did make your suggested changes with the RAM:

338

And its working great! 1.2V FSB, 1.3V NB, 1.5V DRAM, 7-7-7-20 timings, CL Performance Level 9, and everything else on AUTO. thumb.gif

I ran a quick test with 5 runs of IBT on Very High. The CPU was happy with 1.38 vCore on the "High" test, but "Very High" wanted 1.39 for some reason. redface.gif

How do you guys have such low vCore? Both you and ocman have your quads clocked so low! eek.gif My Q9550 has a VID of 1.25V.

EDIT: I meant Performance Level 9, not CL9
Edited by jetpak12 - 4/25/12 at 2:01pm
post #5586 of 6457
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post #5587 of 6457
Are you sure that you have manually set Performance Level 9? Your latency should be much lower and your READ speed about 300 mb/s more.
Anyway, leaving settings @ auto is not a good idea. I can give you a full template with my settings for stable 3.80 and 4ghz respectively.
About the CPU - indeed, mine needs less voltage than most of the Q9550 I've seen, but it heats up more and even lapped it needs some serious cooling like Megahalems for example in order to run it ~ 3.8-4ghz, so it's kinda the same. The heat compensates the lower vcore and in your case - the opposite tongue.gif

Here is a 3.80ghz template :

Ai Overclock Tuner [MANUAL]
CPU Ratio Setting [8.5]
FSB Frequency [450]
PCI-E Frequency [100]
FSB Strap to North Bridge [400]
DRAM Frequency [DDR3-1200]
DRAM Timing Control [MANUAL]

1st Information :

CAS# Latency [7 DRAM Clocks]
DRAM RAS# to CAS# Delay [7 DRAM Clocks]
DRAM RAS# Precharge [7 DRAM Clocks]
DRAM RAS# Activate to Precharge [20 DRAM Clocks]
RAS# to RAS# Delay [AUTO]
Row Refresh Cycle Time [AUTO]
Write Recovery Time [AUTO]
Read to Precharge Time [AUTO]

2nd Information :

READ to WRITE Delay (S/D) [AUTO]
Write to Read Delay (S) [AUTO]
WRITE to READ Delay (D) [AUTO]
READ to READ Delay (S) [AUTO]
READ to READ Delay (D) [AUTO]
WRITE to WRITE Delay (S) [AUTO]
WRITE to WRITE Delay (D) [AUTO]

3rd Information :

WRITE to PRE Delay [AUTO]
READ to PRE Delay [AUTO]
PRE to PRE Delay [AUTO]
ALL PRE to ACT Delay [AUTO]
ALL PRE to REF Delay [AUTO]
DRAM Static Read Control [AUTO]
DRAM Read Training [AUTO]
MEM. OC Charger [AUTO]
AI Clock Twister [AUTO]
AI Transaction Booster [MANUAL]
Common Performance Level [9]


CPU Voltage [1.28125]
CPU GTL Voltage Reference [0.65x]
CPU PLL Voltage [1.54]
FSB Termination Voltage [1.26]
DRAM Voltage [1.56]
NB Voltage [1.30]
SBridge Voltage [1.10]
PCIE SATA Voltage [1.50]

Load Line Calibration [Enabled]
CPU Spread Spectrum [Disabled]
PCIE Spread Spectrum [Disabled]
CPU Clock Skew [AUTO]
NB Clock Skew [AUTO]
CPU Margin Enhancement [Performance Mode]

Advanced CPU Settings
CPU Ratio Setting [08.5]
C1E Suppport [Disabled]
Max CPUID Value Limit [Disabled]
Intel® Virtualization Tech [Enabled]
CPU TM Function [Enabled]
Execute Disable Bit [Enabled]



And the 4ghz which I'm using.

Ai Overclock Tuner [MANUAL]
CPU Ratio Setting [8.5]
FSB Frequency [475]
PCI-E Frequency [100]
FSB Strap to North Bridge [400]
DRAM Frequency [DDR3-1266]
DRAM Timing Control [MANUAL]

1st Information :

CAS# Latency [7 DRAM Clocks]
DRAM RAS# to CAS# Delay [7 DRAM Clocks]
DRAM RAS# Precharge [7 DRAM Clocks]
DRAM RAS# Activate to Precharge [20 DRAM Clocks]
RAS# to RAS# Delay [AUTO]
Row Refresh Cycle Time [AUTO]
Write Recovery Time [AUTO]
Read to Precharge Time [AUTO]

2nd Information :

READ to WRITE Delay (S/D) [AUTO]
Write to Read Delay (S) [AUTO]
WRITE to READ Delay (D) [AUTO]
READ to READ Delay (S) [AUTO]
READ to READ Delay (D) [AUTO]
WRITE to WRITE Delay (S) [AUTO]
WRITE to WRITE Delay (D) [AUTO]

3rd Information :

WRITE to PRE Delay [AUTO]
READ to PRE Delay [AUTO]
PRE to PRE Delay [AUTO]
ALL PRE to ACT Delay [AUTO]
ALL PRE to REF Delay [AUTO]
DRAM Static Read Control [AUTO]
DRAM Read Training [AUTO]
MEM. OC Charger [AUTO]
AI Clock Twister [AUTO]
AI Transaction Booster [AUTO]
Common Performance Level [9]


CPU Voltage [1.3250]
CPU GTL Voltage Reference [0.63x]
CPU PLL Voltage [1.56]
FSB Termination Voltage [1.30]
DRAM Voltage [1.56]
NB Voltage [1.30]
SBridge Voltage [1.10]
PCIE SATA Voltage [1.50]

Load Line Calibration [Enabled]
CPU Spread Spectrum [Disabled]
PCIE Spread Spectrum [Disabled]
CPU Clock Skew [AUTO]
NB Clock Skew [AUTO]
PCU Margin [Performance Mode]

Advanced CPU Settings
CPU Ratio Setting [08.5]
C1E Suppport [Disabled]
Max CPUID Value Limit [Disabled]
Intel® Virtualization Tech [Enabled]
CPU TM Function [Enabled]
Execute Disable Bit [Enabled]
post #5588 of 6457
Quote:
Originally Posted by cvtmih View Post

Are you sure that you have manually set Performance Level 9? Your latency should be much lower and your READ speed about 300 mb/s more.
Anyway, leaving settings @ auto is not a good idea. I can give you a full template with my settings for stable 3.80 and 4ghz respectively.
About the CPU - indeed, mine needs less voltage than most of the Q9550 I've seen, but it heats up more and even lapped it needs some serious cooling like Megahalems for example in order to run it ~ 3.8-4ghz, so it's kinda the same. The heat compensates the lower vcore and in your case - the opposite tongue.gif

Yeah, I just double checked and I do have it at PL 9. My settings pretty much match yours exactly. When I said I had settings on "AUTO" I meant everything that wasn't a voltage setting, lol. And the ones I didn't mention were set to their default manually.

The only main difference I can find is that your CPU GTL setting is different. Mine defaults to 0.630x, and I just left it at that. Maybe I should try setting the RAM voltage to 1.56? Would the RAM run slower if it wasn't getting enough volts?

I also thought maybe it was a difference in benchmarks, so I got a trial version of AIDA64 and got pretty much the same thing as from MaxxMem.

EDIT: Hmm, so I just tried PL 8, so maybe this is working differently on my board, as I got the same score, and didn't have to change anything to make the settings.

440
Edited by jetpak12 - 4/25/12 at 8:57pm
post #5589 of 6457
So, just leave it at 9, cause 8 might be unstable in some situations. About the voltage - just set 1.56v to be sure it's 100% stable.
post #5590 of 6457
Here is my Kingston Hyper X Blu 1600MHz 4GB x 2 overclocked @ 2133MHz 10-11-10-30, CR= 1T, 1.65V.. biggrin.gif

It's also 100% stable, tested in P95 CUSTOM 4096K -> 4096K, 2hrs test.. wink.gif

2133mhzmaxxmemoryperfor.png2133mhzmemoryperformanc.png

2133mhzp95custom4096k2h.jpg



CHEERS..
     
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