Asus P5QC, DDR3 1600 Mhz Problem

sturmtr · Aug 16, 2009

Hi,
I am new to forum and also overclocking. I have bought a new pc with the following specs;

Asus P5QC
Intel Core 2 Quad 9400
OCZ XMP Intel Xtreme 2*2 GHZ (1600 MHZ)
Akasa 600 W (High Power)
Asus GTX 275

The problem is that mainboard does not support 1600 MHZ ram. I overclocked cpu to 3.2 Ghz (400*8) without problem, but couldnt succeed with the ram at 1600 Mhz. When I set the fsb to 400, ddr3 1600 Mhz option is enabled at bios. I then set the ram to 1600 Mhz with 7-7-7-24 latency and tried memtest but test had lots of errors (Windows had blue screen a couple times also, paged_fault in non paged area). I tried to raise the nb voltage to 1.34 but failed also, cant raise more not brave enough

. There are lots of options in the board I am not familiar with so all other are at auto. Can you help me ? By the way memtest runs fine at default settings and bios is up to date. Thanks…

Boulard83 · Aug 16, 2009

You should just try to manual the DRAM volts. Find your meme spec and set this in bios. If its still unstable raise it just a lil bit.

redduc900 · Aug 16, 2009

Default timings for XMP Profile 1 are 7-7-7-28 (although tRAS is rated at 24) at 1.9v and 1600 MHz. Give these settings a try...

Code:

AI Overclock Tuner: Manual
DRAM Timing Control: Manual
DRAM Timings to 7-7-7-24 (CAS-TRCD-TRP-TRAS)
Row Refresh Cycle Time: 88 DRAM Clocks

AI Clock Twister: Light or Lighter
DRAM Voltage: 1.90 volts

CPU and PCIE Spread Spectrums: Disabled

C1E Support: Disabled

sturmtr · Aug 18, 2009

Sorry was a litlle busy these days. I tried raising the voltage to 1.9 but failed. Dont you think the problem is with the mainboard?

I will try as soon as I get home redduc900 and share the results, thanks all.

hank123 · Aug 18, 2009

try going a little more on the voltage and/or setting the timings to 8-8-8-24. I dont know if you have REF voltages but this helps a lot.

what ram do you have?

redduc900 · Aug 18, 2009

hank123 said:
what ram do you have?

OCZ DDR3 PC3-12800 Intel® Extreme Edition
http://www.ocztechnology.com/products/memory/ocz_ddr3_pc3_12800_intel-extreme_edition

sturmtr · Aug 19, 2009

Hi,

I tried this config but failed.

AI Overclock Tuner: Manual
DRAM Timing Control: Manual
DRAM Timings to 7-7-7-28 (CAS-TRCD-TRP-TRAS)
Row Refresh Cycle Time: 88 DRAM Clocks
AI Clock Twister: Light or Lighter
DRAM Voltage: 1.90 volts
CPU and PCIE Spread Spectrums: Disabled
C1E Support: Disabled

I have also tried 1600 MHZ at 9-9-9-24 (auto timings at 1600mhz) and failed too . Do you have any more thoughts, thanks.

redduc900 · Aug 19, 2009

For the time being set the NB strap to 3:5 (200/667) at an FSB of 400 MHz, for a resultant 1333 MHz DRAM frequency. Manually set the four primary timings to 7-7-7-28 at 1.9 Vdimm, and all sub-timings on AUTO. Also make sure the memory modules are installed to the orange DIMM slots.

sturmtr · Aug 19, 2009

They are currently running at 1333 mhz with 7-7-7-24 timings. Rams are at ddr3 slots checked that also. Couldnt find a ratio in the bios, but found under "fsb to nb strap" some options like 200 MHZ,333 MHZ,400 MHZ; I think you meant that. I didnt change it (auto), I need to make then 1600 mhz mate

hank123 · Aug 20, 2009

do 400mhz then you should see a,b,c,d or something like that go with d or what ever gives you the highest speed. once you see how it works you can go higher.

sturmtr · Aug 22, 2009

Hey,

I said that system was stable with 1333 mhz ram but it is not anymore. Tried everthing but failed. Why did this happen? Maybe I damaged rams although didnt raise more then 1,92. Also tried setting fsb to nb strap but nothing.

When I just set to 1333 with all auto memtest gives lots of errors, what is happening please help me.

I can make them run at 800 or 1066 without errors, going crazy...Interesting, when I dont oc cpu no errors at 1333 MHZ :bang head

sturmtr · Aug 23, 2009

Can I get a configuration for 3.2 ghz cpu and 1333 mhz ram please ? Maybe I am doing something wrong.

redduc900 · Aug 23, 2009

Download MemSet...

http://www.tweakers.fr/memset.html

... and w/ the RAM at 1333 MHz (3:5 divider; 200/667 at an FSB of 400 MHz), post a pic. showing all of your current RAM timings. Only change the four primary timings to 7-7-7-28 at 2.0 VDimm, and leave all of the sub-timings on AUTO. Also fill out this template for the P5Q (this one if from the Pro version, but should be similar to the -C). Disregard the settings in the template, and replace w/ your own...

Code:

ASUS P5Q Pro Template :

AI Overclock tuner: MANUAL
CPU Ratio Setting: 9
FSB Strap to North Bridge: AUTO
FSB Frequency: 445
PCI-E Frequency: 101
DRAM Frequency: 1068
DRAM Timing Control: Manual

1st Information :

CAS# Latency: 5
DRAM RAS# to CAS# Delay: 5
DRAM RAS# Precharge: 5
DRAM RAS# Activate to Precharge: 15
RAS# to RAS# Delay : 6
Row Refresh Cycle Time: 60
Write Recovery Time: 6
Read to Precharge Time: 4

2nd Information :

READ to WRITE Delay (S/D): 10
Write to Read Delay (S): 4
WRITE to READ Delay (D): 5
READ to READ Delay (S): 6
READ to READ Delay (D): 6
WRITE to WRITE Delay (S): 5
WRITE to WRITE Delay (D): 6

3rd Information :

WRITE to PRE Delay: 14
READ to PRE Delay: 6
PRE to PRE Delay: 1
ALL PRE to ACT Delay: 6
ALL PRE to REF Delay: 6
DRAM Static Read Control: Disabled
DRAM Read Training: Disable
MEM. OC Charger: Auto
AI Clock Twister: Lighter
AI Transaction Booster: Manual
Common Performance Level: 9
Pull-In of CHA PH1: DISABLED
Pull-In of CHA PH2: DISABLED
Pull-In of CHA PH3: DISABLED
Pull-In of CHA PH4: DISABLED
Pull-In of CHB PH1: DISABLED
Pull-In of CHB PH2: DISABLED
Pull-In of CHB PH3: DISABLED
Pull-In of CHB PH4: DISABLED

CPU Voltage: 1.38125
CPU GTL Voltage Reference: AUTO
CPU PLL Voltage: 1.52
FSB Termination Voltage: 1.22
DRAM Voltage: 2.02
NB Voltage: 1.24
SB Voltage: 1.2
PCIE SATA Voltage: 1.6

Load Line Calibration: Disabled
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Clock Skew : AUTO
NB Clock Skew : AUTO
CPU Margin Enhancement: Optimized

Advanced CPU Settings
CPU Ratio Setting: 8.0
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Intel® Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled

sturmtr · Aug 24, 2009

Hi, I am back, a little more happy today

First I have tried 1600 mhz. I have prepared lots of test configs and tried them all. I tested these configs using memtest test 5, for 5 times. Maybe it can help p5qc users. I couldnt raise cpu voltage even one raise, when I do system does not boot up dont know why. Below is my sample bios config.

*I tried raising dram and nb voltage to 2.02 and 1.32 seperatly. Testing at all raise.
*I tried changing fsb strap to north bridge (200,266,333,400). Tested with all of these configs and by rising the voltage for both ram and nb again seperately.
*I tried setting cpu and pcie spectrums to 100 ps.
*I tried setting AI clock twister to Light and Lighter.

Conclusion is I failed, but at the end of 5 fifth test I succeded only getting 2 errors at one. I think a small config can make the system stable.

Best result (2 errors);
*AI clock twister is setted to Lighter.
*fsb strap to north bridge is 200.
*Ram voltage is setted 2.00 and nb 1.2 Volts.
*Manual first timing 7-7-7-28, other timings auto.
*Fsb 400 multiplier 8 = 3.2ghz cpu.
*All other configurations are at auto.

Btw I succeded with 1333 mhz at 3.2 GHZ.
*fsb strap to north bridge is 200.
*Ram voltage is setted 2.00 and nb 1.2 Volts.
*Manual first timing 7-7-7-28, other timings auto.
*Fsb 400 multiplier 8 = 3.2ghz cpu.
*All other configurations are at auto.

Thanks for your patience. I still need help, thank you...

clubfoot · Aug 24, 2009

Have you tried the XMP profile #1 setting in Ai Overclock Tuner, with all other settings on Auto? I run Crucial Ballistix 1600 at profile #2 without any errors after having tried OCZP318002GK Platinum without success.

redduc900 · Aug 25, 2009

redduc900 said:
Download MemSet...

http://www.tweakers.fr/memset.html

... and w/ the RAM at 1333 MHz (3:5 divider; 200/667 at an FSB of 400 MHz), post a pic. showing all of your current RAM timings

sturmtr · Aug 25, 2009

I didnt understand what to do with memtest but i got a picture, sorry forgot to upload. Rams are at 1333mhz at dimm2 and dimm4. Do you want me to upload a picture at 1600 mhz?

Where is AI overclock tuner, you meant AI clock twister I think. I dont remember an option like xmp profile, but I will check when I get home.

Thanks...

Asus P5QC, DDR3 1600 Mhz Problem

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