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Help to overclocking my system


rajabi

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Before I can advise you on an overclock, I need you to perform some tasks.

 

Download Real Temp from-->

Download CPU-z from
.

Please post screenshots of CPU-z's CPU, Memory and SPD tabs and a screenshot of Real Temp as well.

 

Download Memtest86+ V2.01 from--->

Burn the ISO image to a CD and boot to the CD. Run Memtest for two full passes.

 

Results?

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Thank you.

Download Prime95 for Quads from-->
Here
.

Enter your BIOS. Load Setup Defaults. Save Setup Defaults and enter these values:

 

Ai Overclock Tuner = Manual
OC From CPU Level Up = Auto
CPU Ratio Control = Manual
- Ratio CMOS Setting = 8
FSB Frequency = 400
FSB Strap to North Bridge = 400
PCI-E Frequency= 100
DRAM Frequency= DDR2 1066
DRAM Command Rate = 2T
DRAM CLK Skew on Channel A = Auto 
DRAM CLK Skew on Channel B = Auto
DRAM Timing Control= Manual
CAS# Latency = 5
RAS# to CAS# Delay = 5
RAS# Precharge = 5
RAS# ActivateTime = 15
RAS# to RAS# Delay = Auto
Row Refresh Cycle Time = Auto
Write Recovery Time = Auto
Read to Precharge Time = Auto

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

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= Enabled
Ai Clock Twister = Auto
Transaction Booster = Auto

Pull-In of CHA PH1 Disabled
Pull-In of CHA PH2 Disabled
Pull-In of CHB PH1 Disabled
Pull-In of CHB PH2 Disabled

CPU Voltage = Auto
CPU PLL Voltage = 1.50v
North Bridge Voltage = 1.3v
DRAM Voltage = 2.1v
FSB Termination Voltage = 1.25
South Bridge Voltage = 1.050V
Loadline Calibration = Enabled
CPU GTL Reference = 67%
NB GTL Voltage Reference: 63%
North Bridge GTL Reference = Auto
DDR2 Channel A REF Voltage = DDR2-REFF
DDR2 Channel B REF Voltage = DDR2-REFF
DDR2 Controller REF Voltage = DDR2-REFF
SB 1.5V Voltage = 1.5

 

Run Memtest for two full passes, then (If Stable), enter Windows and post screenshots of CPU-z's CPU, Memory and SPD tabs. Run Prime95 with Large FFTs. Let Prime95 run for a few hours. Please post a screenshot of Core Temp when Prime95 has been running for ~20 minutes. You can use the system while it is Priming, however do not use it for intensive applications such as gaming, video rendering, etc.

 

This will give you 3.2Ghz and will let us see how your thermals respond to the raise.

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Dear sir:

Thank you for every things

I run memtest for two full passes and it is stable.

I did one more option and it is that Before I changed the Bios with your new Value and when all in Auto I run the Prime95 and attached the result for you.

 

Best Regards

CPU.jpg.66119f60f1eefbd4f56bb2c1aa35bb9f.jpg

Memory.jpg.3fd1920aaf479dc95029b8ef3006029a.jpg

605982931_Prime95After20min.jpg.e3f24cacc7d886f6358db261a6776afd.jpg

SPD.jpg.84d6a58ef3f4cdd22055fa2330fb5847.jpg

1063968949_NormalAfter20min.jpg.c7fed9455ab85b350f8845b029f86a7a.jpg

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Enter these values:

 

Ai Overclock Tuner = Manual
OC From CPU Level Up = Auto
CPU Ratio Control = Manual
- Ratio CMOS Setting = 8
FSB Frequency = 425
FSB Strap to North Bridge = 400 (Set to 333, check your memory speeds)
PCI-E Frequency= 100
DRAM Frequency= DDR2 1066 (or as close as you can get)
DRAM Command Rate = 2T
DRAM CLK Skew on Channel A = Auto 
DRAM CLK Skew on Channel B = Auto
DRAM Timing Control= Manual
CAS# Latency = 5
RAS# to CAS# Delay = 5
RAS# Precharge = 5
RAS# ActivateTime = 15
RAS# to RAS# Delay = Auto
Row Refresh Cycle Time = Auto
Write Recovery Time = Auto
Read to Precharge Time = Auto

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

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= Enabled
Ai Clock Twister = Auto
Transaction Booster = Auto

Pull-In of CHA PH1 Disabled
Pull-In of CHA PH2 Disabled
Pull-In of CHB PH1 Disabled
Pull-In of CHB PH2 Disabled

CPU Voltage = 1.30v
CPU PLL Voltage = 1.50v
North Bridge Voltage = 1.3v
DRAM Voltage = 2.1v
FSB Termination Voltage = 1.25
South Bridge Voltage = 1.050V
Loadline Calibration = Enabled
CPU GTL Reference = 67%
NB GTL Voltage Reference: 63%
North Bridge GTL Reference = Auto
DDR2 Channel A REF Voltage = DDR2-REFF
DDR2 Channel B REF Voltage = DDR2-REFF
DDR2 Controller REF Voltage = DDR2-REFF
SB 1.5V Voltage = 1.5

 

This will give you 3.4Ghz and will let us see how your thermals respond to the raise. When you set the FSB, then see what memory values you have, then change the Front Side Strap to Northbridge to 333 and check your DRAM speeds. Use whatever strap allows you the closest to 1066Mhz. Remember to Memtest before entering Windows and please repeat the other tests and post screenshots.

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Dear sir:

 

I do as you told me when I set FSB Strap to North Bridge to 333 the closest is 1021MHz but when I set to 266 I have exactly 1066MHz but the system did not Boot so I put back to 333 and have 1021MHz Memory speed.

In the first Overclock (20%) I forgot you that I can not set the North Bridge Voltage t0 1.3V so I set to 1.31V and for FSB Termination Voltage I put to 1.26.

 

Best Regards

CPU.jpg.d14cf8eb343e123097d367350dbf670f.jpg

Memory.jpg.5154b6531b031bbc8732de6b0c2fa648.jpg

SPD.jpg.d1fe875e520f5d17cb3f6562807e3a5e.jpg

1644677471_Prime95After30min.jpg.d896c9dac9880a19b6dfed2f926e95fb.jpg

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Good, you are learning to work with the strapping and the FSB. Very seldom will the 266Mhz Strap work with higher FSBs but it is always good to try.

 

So, now, if you are stable, you need to increase the FSB incrementally by 5 - 10Mhz at a time. Test with Prime95 for stability. If you make 450Mhz FSB, then you will be at 3.6Ghz which is a very good high end overclock of 1000Mhz. You may have to play with your voltages a bit. The CPU voltage might need a bit of a boost and you are fine until your CPU reaches ~65C at full Prime95. Once you have found 3.6GHz, then use Prime95 for ~8 - 10 hours. If you pass this test, you are fine and have a very good overclock. I would not increase the FSB Termination Voltage past 1.30v. The GTL references are a percentage of the Termination voltages and so if you raise the Termination Voltages, you can subtly lower the GTL Voltages. I don't think you will need to change any of them though. Do not make changes that make no difference. In other words, do not make more than one change at a time before testing or you will very likely end up with skewed changes.

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  • 2 weeks later...

Dear sir:

 

Thank you for every things sorry for late, I do as you told me and I get the following result but I have two problem:

 

1. Why the Prime95 only sters of 2 core of my CPU as below:

 

http://www.lioncomputer.ir/forum/attachment.php?attachmentid=1286&d=1221688743

 

http://www.lioncomputer.ir/forum/attachment.php?attachmentid=1287&d=1221688770

 

2. Why the Prime95 after 30 min will be close automaticlly.

 

Do you have any sugestion I think May be need more CPU or North Brige voltage is it true and how?

 

Without overclock

http://www.lioncomputer.ir/forum/attachment.php?attachmentid=1283&d=1221687964

 

with overclock

 

Curent Bios setting:

Ai Overclock Tuner = Manual

CPU Ratio Control = Manual

- Ratio CMOS Setting = 8.0

FSB Frequency = 450

FSB Strap to North Bridge = 333

PCI-E Frequency= 100

DRAM Frequency= DDR2 1081

DRAM Command Rate = 2N

DRAM Timing Control= Manual

CAS# Latency = 5

RAS# to CAS# Delay = 5

RAS# Precharge = 5

RAS# ActivateTime = 15

DRAM Static Read Control= Enabled

CPU Voltage = 1.35v

CPU PLL Voltage = 1.50v

North Bridge Voltage = 1.31v

DRAM Voltage = 2.1v

FSB Termination Voltage = 1.26

South Bridge Voltage = 1.050V

Loadline Calibration = Enabled

CPU GTL Reference = 67%

NB GTL Voltage Reference: 63%

North Bridge GTL Reference = Auto

DDR2 Channel A REF Voltage = DDR2-REFF

DDR2 Channel B REF Voltage = DDR2-REFF

DDR2 Controller REF Voltage = DDR2-REFF

SB 1.5V Voltage = 1.5

 

http://www.lioncomputer.ir/forum/attachment.php?attachmentid=1284&d=1221688553

 

http://www.lioncomputer.ir/forum/attachment.php?attachmentid=1285&d=1221688654

 

 

Best regards

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Many of the 45nm (C0/C1) quad cores do not do well with greater than 425MHz FSB, which is why I left you at 425. You can try to see what you get but I don't think it's worth the possible higher voltages, etc for the few FSB you gain. I can not advise you now as the minimal changes in voltages at this level are very often board and cpu (marriage of the two) specific. You need to try this on your own and accept the results.
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