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post #11 of 16
Thread Starter 
Quote:
Originally Posted by t_russell View Post
You're probably going to have to tune for a while to get this straight. Even then you probably won't be happy with the voltages or the temps. 500 FSB is tough on these chips even with a good board.
hmm .. I see.
Increasing to 1.5v CPU Term and .95v CPU Ref gave me 3 min in Blend. Which is still better than 1 sec with 1.4v and .88v.

It seems that CPU PLL was at 1.67v not 1.69v . Increased it to 1.71v and gave Vcore one bump from 1.40v to 1.402v in bios, 1.360v load and 1.376v idle.

Trying Blend again.

Thank you guys so much for the replies so far.

Stay tuned for results.
I have full intentions of stabilizing at 4.25Ghz even if it takes 1.4v vcore.
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post #12 of 16
These are stable 4.25 GHz settings for my GA-EP45-UD3 & Q9550 system :
Code:
******Motherboard Intelligent Tweaker (M.I.T.)******

Robust Graphics Booster.........................[ Auto      ]
CPU Clock Ratio.................................[ 8         ]
Fine CPU Clock Ratio............................[ + 0.5     ]
CPU Frequency 4.25GHz...........................[ 500 x 8.5 ]

******Clock Chip Control******

CPU Host Clock Control..........................[ Enabled ]
CPU Host Frequency (Mhz)........................[ 500 ]
PCI Express Frequency (Mhz).....................[ 101 ]
C.I.A 2........................................ [Disabled]

******Advanced Clock Control******

CPU Clock Drive.................................[ 800mv ]
PCI Express Clock Drive.........................[ 900mv ]
CPU Clock Skew..................................[ 0ps ]
MCH Clock Skew..................................[ 50ps ]

******DRAM Performance Control******

Performance Enhance.............................[Standard]
Extreme Memory Profile..........................[Disabled]
(G) MCH Frequency Latch.........................[ 333 MHz]
System Memory Multipler.........................[ 2.40B  ]
Memory Frequency 1066...........................[ 1200   ]
DRAM Timing Selectable..........................[ Manual ]

CAS Latency Time................................[ 5  ]
tRCD............................................[ 5  ]
tRP.............................................[ 5  ]
tRAS............................................[ 15 ]

******Advanced Timing Control******

tRRD............................................[ 4  ]
tWTR............................................[ 4  ]
tWR.............................................[ 8  ]
tRFC............................................[ 68 ]
tRTP............................................[ 4  ]
Command Rate (cmd)..............................[ Auto ]

******Channel A Timing Settings******

Static tRead Value  ...........................[ 8    ]
tRD Phase0 Adjustment .........................[ Auto ]
tRD Phase1 Adjustment  ........................[ Auto ]
tRD Phase2 Adjustment  ........................[ Auto ]
tRD Phase3 Adjustment  ........................[ Auto ]

tRD 2rd (Differnt Rank)  ......................[ Auto ]
tWR 2wr (Differnt Rank)  ......................[ Auto ]
tWR 2rd (Differnt Rank)  ......................[ Auto ]
tRD 2wr (Same/Difft Rank) .....................[ Auto ]

Dimm 1 Clock Skew Control......................[ Auto ]
Dimm 2 Clock Skew Control......................[ Auto ]
DDR Write Training.............................[ Auto ]

******Channel A Driving Settings******

Drive Strength Profile.........................[ OC-1200]
Data Driving Pull Up Level.....................[ Auto   ]
cmd Driving Pull Up Level......................[ Auto   ]
ctrl Driving Pull Up Level.....................[ Auto   ]
clk Driving Pull Up Level......................[ Auto   ]

Data Driving Pull Down Level...................[ Auto   ]
cmd Driving Pull Down Level....................[ Auto   ]
ctrl Driving Pull Down Level...................[ Auto   ]
clk Driving Pull Down Level....................[ Auto   ]

******Channel B Timing Settings******

Static tRead Value  ...........................[ 8    ]
tRD Phase0 Adjustment .........................[ Auto ]
tRD Phase1 Adjustment  ........................[ Auto ]
tRD Phase2 Adjustment  ........................[ Auto ]
tRD Phase3 Adjustment  ........................[ Auto ]

tRD 2rd (Differnt Rank)  ......................[ Auto ]
tWR 2wr (Differnt Rank)  ......................[ Auto ]
tWR 2rd (Differnt Rank)  ......................[ Auto ]
tRD 2wr (Same/Difft Rank) .....................[ Auto ]

Dimm 1 Clock Skew Control......................[ Auto ]
Dimm 2 Clock Skew Control......................[ Auto ]
DDR Write Training.............................[ Auto ]

******Channel B Driving Settings******

Drive Strength Profile.........................[ OC-1200]
Data Driving Pull Up Level.....................[ Auto   ]
cmd Driving Pull Up Level......................[ Auto   ]
ctrl Driving Pull Up Level.....................[ Auto   ]
clk Driving Pull Up Level......................[ Auto   ]

Data Driving Pull Down Level...................[ Auto   ]
cmd Driving Pull Down Level....................[ Auto   ]
ctrl Driving Pull Down Level...................[ Auto   ]
clk Driving Pull Down Level....................[ Auto   ]

******Motherboard Voltage Control******

Load-Line Calibration..........................[ Enabled ]
CPU Vcore [ 1.225].............................[ 1.3375  ]
CPU Termination [ 1.20 ].......................[ 1.300   ]
CPU PLL [ 1.50 ]...............................[ 1.570   ]
CPU Reference [ 0.760 ]........................[ 0.760   ]

MCH Core [ 1.100 ].......................[ 1.400 ]
MCH Reference [ 0.760 ]..................[ 0.800 ]
MCH/DRAM Refernce [ 0.900 ]..............[ Auto  ]
ICH I/O [ 1.500 ]........................[ 1.570 ]
ICH Core [ 1.100 ].......................[ 1.200 ]

DRAM Voltage [ 1.800 ]...................[ 1.90   ]
DRAM Termination [ 0.900 ]...............[ Auto   ]
Channel A Ref [ 0.900 ]..................[ Auto   ]
Channel B Ref [ 0.900 ]..................[ Auto   ]

Advanced Settings
Limit CPUID Max. to 3 ...................[ Disabled ]
No-Execute Memory Protect ...............[ Enabled  ]
CPU Enhanced Halt (C1E) .................[ Disabled ]
C2/C2E State Support ....................[ Disabled ]
x C4/C4E State Support ..................[ Disabled ]
CPU Thermal Monitor 2 (TM2) .............[ Enabled  ]
CPU EIST Function .......................[ Disabled ]
Virtualization Technology ...............[ Enabled  ]

Integrated Peripherals
Legacy USB Storage Detect ...............[ Enabled ]
Skew settings are important with FSB over 495 MHz.
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post #13 of 16
Thread Starter 
Quote:
Originally Posted by mm67 View Post
These are stable 4.25 GHz settings for my GA-EP45-UD3 & Q9550 system :
Code:
******Motherboard Intelligent Tweaker (M.I.T.)******

Robust Graphics Booster.........................[ Auto      ]
CPU Clock Ratio.................................[ 8         ]
Fine CPU Clock Ratio............................[ + 0.5     ]
CPU Frequency 4.25GHz...........................[ 500 x 8.5 ]

******Clock Chip Control******

CPU Host Clock Control..........................[ Enabled ]
CPU Host Frequency (Mhz)........................[ 500 ]
PCI Express Frequency (Mhz).....................[ 101 ]
C.I.A 2........................................ [Disabled]

******Advanced Clock Control******

CPU Clock Drive.................................[ 800mv ]
PCI Express Clock Drive.........................[ 900mv ]
CPU Clock Skew..................................[ 0ps ]
MCH Clock Skew..................................[ 50ps ]

******DRAM Performance Control******

Performance Enhance.............................[Standard]
Extreme Memory Profile..........................[Disabled]
(G) MCH Frequency Latch.........................[ 333 MHz]
System Memory Multipler.........................[ 2.40B  ]
Memory Frequency 1066...........................[ 1200   ]
DRAM Timing Selectable..........................[ Manual ]

CAS Latency Time................................[ 5  ]
tRCD............................................[ 5  ]
tRP.............................................[ 5  ]
tRAS............................................[ 15 ]

******Advanced Timing Control******

tRRD............................................[ 4  ]
tWTR............................................[ 4  ]
tWR.............................................[ 8  ]
tRFC............................................[ 68 ]
tRTP............................................[ 4  ]
Command Rate (cmd)..............................[ Auto ]

******Channel A Timing Settings******

Static tRead Value  ...........................[ 8    ]
tRD Phase0 Adjustment .........................[ Auto ]
tRD Phase1 Adjustment  ........................[ Auto ]
tRD Phase2 Adjustment  ........................[ Auto ]
tRD Phase3 Adjustment  ........................[ Auto ]

tRD 2rd (Differnt Rank)  ......................[ Auto ]
tWR 2wr (Differnt Rank)  ......................[ Auto ]
tWR 2rd (Differnt Rank)  ......................[ Auto ]
tRD 2wr (Same/Difft Rank) .....................[ Auto ]

Dimm 1 Clock Skew Control......................[ Auto ]
Dimm 2 Clock Skew Control......................[ Auto ]
DDR Write Training.............................[ Auto ]

******Channel A Driving Settings******

Drive Strength Profile.........................[ OC-1200]
Data Driving Pull Up Level.....................[ Auto   ]
cmd Driving Pull Up Level......................[ Auto   ]
ctrl Driving Pull Up Level.....................[ Auto   ]
clk Driving Pull Up Level......................[ Auto   ]

Data Driving Pull Down Level...................[ Auto   ]
cmd Driving Pull Down Level....................[ Auto   ]
ctrl Driving Pull Down Level...................[ Auto   ]
clk Driving Pull Down Level....................[ Auto   ]

******Channel B Timing Settings******

Static tRead Value  ...........................[ 8    ]
tRD Phase0 Adjustment .........................[ Auto ]
tRD Phase1 Adjustment  ........................[ Auto ]
tRD Phase2 Adjustment  ........................[ Auto ]
tRD Phase3 Adjustment  ........................[ Auto ]

tRD 2rd (Differnt Rank)  ......................[ Auto ]
tWR 2wr (Differnt Rank)  ......................[ Auto ]
tWR 2rd (Differnt Rank)  ......................[ Auto ]
tRD 2wr (Same/Difft Rank) .....................[ Auto ]

Dimm 1 Clock Skew Control......................[ Auto ]
Dimm 2 Clock Skew Control......................[ Auto ]
DDR Write Training.............................[ Auto ]

******Channel B Driving Settings******

Drive Strength Profile.........................[ OC-1200]
Data Driving Pull Up Level.....................[ Auto   ]
cmd Driving Pull Up Level......................[ Auto   ]
ctrl Driving Pull Up Level.....................[ Auto   ]
clk Driving Pull Up Level......................[ Auto   ]

Data Driving Pull Down Level...................[ Auto   ]
cmd Driving Pull Down Level....................[ Auto   ]
ctrl Driving Pull Down Level...................[ Auto   ]
clk Driving Pull Down Level....................[ Auto   ]

******Motherboard Voltage Control******

Load-Line Calibration..........................[ Enabled ]
CPU Vcore [ 1.225].............................[ 1.3375  ]
CPU Termination [ 1.20 ].......................[ 1.300   ]
CPU PLL [ 1.50 ]...............................[ 1.570   ]
CPU Reference [ 0.760 ]........................[ 0.760   ]

MCH Core [ 1.100 ].......................[ 1.400 ]
MCH Reference [ 0.760 ]..................[ 0.800 ]
MCH/DRAM Refernce [ 0.900 ]..............[ Auto  ]
ICH I/O [ 1.500 ]........................[ 1.570 ]
ICH Core [ 1.100 ].......................[ 1.200 ]

DRAM Voltage [ 1.800 ]...................[ 1.90   ]
DRAM Termination [ 0.900 ]...............[ Auto   ]
Channel A Ref [ 0.900 ]..................[ Auto   ]
Channel B Ref [ 0.900 ]..................[ Auto   ]

Advanced Settings
Limit CPUID Max. to 3 ...................[ Disabled ]
No-Execute Memory Protect ...............[ Enabled  ]
CPU Enhanced Halt (C1E) .................[ Disabled ]
C2/C2E State Support ....................[ Disabled ]
x C4/C4E State Support ..................[ Disabled ]
CPU Thermal Monitor 2 (TM2) .............[ Enabled  ]
CPU EIST Function .......................[ Disabled ]
Virtualization Technology ...............[ Enabled  ]

Integrated Peripherals
Legacy USB Storage Detect ...............[ Enabled ]
Skew settings are important with FSB over 495 MHz.
Thank you!

Will try these!

How did you test stability?
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Animal Mother
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post #14 of 16
Quote:
Originally Posted by Cryptedvick View Post
Thank you!

Will try these!

How did you test stability?
You might need a bit more Vcore, mine seems to run with quite low settings. I did a 24 hr Prime95 blend run with these settings.
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post #15 of 16
Thread Starter 
Quote:
Originally Posted by mm67 View Post
You might need a bit more Vcore, mine seems to run with quite low settings. I did a 24 hr Prime95 blend run with these settings.
Tried your settings ... wouldn't even post...
I'm back up at 1.5v Termination with synced Ref of 0.95v and 1.69v PLL.
I'm at 1.43v in bios for the Vcore and 1.39v in windows.
Going to try blend again.

Edit: Seems like this is what it takes to be stable (I guess).
Passed ~20 mins of blend (which is nothing I know) so I got a general idea of what's up.

Problem is, Temps are getting really high out of the sudden ... They used to be a lot lower at just a few steps less of voltage... weird
I'll try to properly test for stability tonight and till then I'll leave it as it is to see how it does in games and such.
If temps are still an issue tonight, I'm backing down to 480mhz FSB -> 4080Mhz core clock..

Thanks a lot for everybody!
Love this great community
REPs all around.
Edited by Cryptedvick - 6/9/11 at 9:04am
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post #16 of 16
Quote:
Originally Posted by Cryptedvick View Post
Temps are getting really high all of the sudden ... They used to be a lot lower at just a few steps less of voltage... weird
I'll try to properly test for stability tonight and till then I'll leave it as it is to see how it does in games and such.
If temps are still an issue tonight, I'm backing down to 480mhz FSB -> 4080Mhz core clock..
Thought this would be the case. That much voltage drives them up fast. I hit the limits of my loop and had to add an extra rad plus slow my pump down to minimum speed. My max load temp is 60c. If I ever get around to going for 4250 I'll probably eat up the last 10 degrees of my margin. A friend of mine has one that will do 4200 with even less volts than mine but his loop isn't up to the task. He is temp limited to 4GHZ. Hope you can get it stable and keep em down. Good luck.
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