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How can I improve my Q6600 OC?

post #1 of 19
Thread Starter 
Hi people,
I have a new system and I reached a very stable OC at 3.6Ghz (400x9) - Vcore at 1.360 (CPUz). I have decent air cooling and teh system reached 67c under load (prime).

I can push the FSB to 420but Vista crashes in a minute. I suspect the reason is my memory settings - which I havce no real clue about. Please share your thoughts on how to improve this.

Thanks!

Bios settings bellow:

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 9
Fine CPU Clock Ratio.....................:.0
CPU Frequency ...........................: 3.60GHz (400*9)


Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 400
PCI Express Frequency (Mhz) .........: 100
C.I.A.2 .................................:[Disabled]


Advanced Clock Control [Press Enter]
CPU Clock Drive...........................: 900
PCI Express Clock Drive.................: 900
CPU Clock Skew (ps)....................: 50
MCH Clock Skew (ps)...................: 100


DRAM Performance Control
Performance Enhance...................: [STANDARD]
Extreme Memory Profile (X.M.P.).....: Disabled
(G)MCH Frequency Latch...............: [Auto]
System Memory Multiplier ..............: 2.40B
Memory Frequency (Mhz) ..............: 1066 960
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
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) ............................ 2

Driving Strength Profiles
Driving Strength ............................ 800Mhz

Channel A Timing setting
Static tRead Value.........................: 11
tRD Phase0 Adjustment....................:1 [Auto]
tRD Phase1 Adjustment.....................:0 [Auto]
tRD Phase2 Adjustment ...................:0 [Auto]
tRD Phase3 Adjustment...................: 0 [Auto]
Trd2rd(Different Rank)...................: 8 [Auto]
Twr2wr(Different Rank)...................: 8 [Auto]
Twr2rd(Different Rank)...................: 7 [Auto]
Trd2wr(Same/Diff Rank)...................: 9 [Auto]
Dimm1 Clock Skew Control...................: [Auto]
Dimm2 Clock Skew Control...................: [Auto]

Channel B
Static tRead Value........................:11
tRD Phase0 Adjustment....................:1 [Auto]
tRD Phase1 Adjustment.....................:0 [Auto]
tRD Phase2 Adjustment ...................:0 [Auto]
tRD Phase3 Adjustment...................: 0 [Auto]
Trd2rd(Different Rank)...................: 8 [Auto]
Twr2wr(Different Rank)...................: 8 [Auto]
Twr2rd(Different Rank)...................: 7 [Auto]
Trd2wr(Same/Diff Rank)...................: 9 [Auto]
Dimm1 Clock Skew Control...................: [Auto]
Dimm2 Clock Skew Control...................: [Auto]

Motherboard Voltage Control

Load-Line Calibration .................. Enabled
CPU Vcore….………..........................: 1.38750V
CPU Termination…........................: 1.300V
CPU PLL………………….......................... : 1.350V
CPU Referen.…………........................: 0.760 [Auto]

MCH/ICH
MCH Core……………........................: 1.300
MCH Reference ……………………… …………… .......: [Auto]
MCH/DRAM Ref.…......0.900V...........: [Auto]
ICH I/O………………........................: 1.590
ICH Core………….........................: 1.300

DRAM
DRAM Voltage …….......................: 2.000
DRAM Termination ………….................: [Auto]
Channel A Reference ………………………….......: [Auto]
Channel B Reference ……. …………..........: [Auto]

Advanced Settings
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology................: [Disabled]

Integrated Peripherals
Legacy USB Storage Detect .............. [Enabled]

---------------------

Spec:

Intel Core 2 Quad Q6600 G0 Stepping (2.4GHz 1066MHz)
Arctic Cooling AC-FRZ-7P Freezer 7 Pro
4GB (2x2GB) Corsair TwinX DDR2 XMS2 Dominator, PC2-8500(1066)
XFX GTX 260 (216 Cores) 896MB
Gigabyte GA-EP45-UD3P iP45
Coolermaster RealPower 700W Modular PSU
Antec 300 Three Hundred Case
    
CPUMotherboardGraphicsRAM
Q6600 (400x9) Vcore: 1.376 Gigabyte GA-EP45-UD3P XFX GTX 260 (216 core) 4GB Corsair TwinX DDR2 XMS2 Dominator (+Fan) 
OSMonitorPowerCase
Vista Ultiame 64 20" Dell 1650x1050 Coolermaster RealPower 700W Modular PSU Antec 300 
Mouse Pad
really... 
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CPUMotherboardGraphicsRAM
Q6600 (400x9) Vcore: 1.376 Gigabyte GA-EP45-UD3P XFX GTX 260 (216 core) 4GB Corsair TwinX DDR2 XMS2 Dominator (+Fan) 
OSMonitorPowerCase
Vista Ultiame 64 20" Dell 1650x1050 Coolermaster RealPower 700W Modular PSU Antec 300 
Mouse Pad
really... 
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post #2 of 19
I wouldn't let my system reach even 60`C under load and that system will get overheated.
post #3 of 19
Thread Starter 
Quote:
Originally Posted by Biatch View Post
I wouldn't let my system reach even 60`C under load and that system will get overheated.
I read elsewhere that as long as its under 70c in full load its fine.


I now rejiged everything and I run at a much better timing of 5-5-5-15.

However,
Despite the system being rock solid in prime etc, when gaming (particulary GTA:IV) you can feel it stutters along every few seconds, regadless of what's on screen. This is quite annoying and I'm not sure what to do? I tried bumping Vcore and PLL one notch up but no avail.

PS
GPU is not OCed.

Please share yoru thouhgts,

Thanks!


Bios settings bellow:

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 9
Fine CPU Clock Ratio.....................:.0
CPU Frequency ...........................: 3.60GHz (400*9)


Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 400
PCI Express Frequency (Mhz) .........: 100
C.I.A.2 .................................:[Disabled]


Advanced Clock Control [Press Enter]
CPU Clock Drive...........................: 900
PCI Express Clock Drive.................: 900
CPU Clock Skew (ps)....................: 50
MCH Clock Skew (ps)...................: 100


DRAM Performance Control
Performance Enhance...................: [STANDARD]
Extreme Memory Profile (X.M.P.).....: Disabled
(G)MCH Frequency Latch...............: [Auto]
System Memory Multiplier ..............: 2.40B
Memory Frequency (Mhz) ..............: 1066 960
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
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) ............................ 2

Driving Strength Profiles
Driving Strength ............................ 800Mhz

Channel A Timing setting
Static tRead Value.........................: 11
tRD Phase0 Adjustment....................:1 [Auto]
tRD Phase1 Adjustment.....................:0 [Auto]
tRD Phase2 Adjustment ...................:0 [Auto]
tRD Phase3 Adjustment...................: 0 [Auto]
Trd2rd(Different Rank)...................: 8 [Auto]
Twr2wr(Different Rank)...................: 8 [Auto]
Twr2rd(Different Rank)...................: 7 [Auto]
Trd2wr(Same/Diff Rank)...................: 9 [Auto]
Dimm1 Clock Skew Control...................: [Auto]
Dimm2 Clock Skew Control...................: [Auto]

Channel B
Static tRead Value........................:11
tRD Phase0 Adjustment....................:1 [Auto]
tRD Phase1 Adjustment.....................:0 [Auto]
tRD Phase2 Adjustment ...................:0 [Auto]
tRD Phase3 Adjustment...................: 0 [Auto]
Trd2rd(Different Rank)...................: 8 [Auto]
Twr2wr(Different Rank)...................: 8 [Auto]
Twr2rd(Different Rank)...................: 7 [Auto]
Trd2wr(Same/Diff Rank)...................: 9 [Auto]
Dimm1 Clock Skew Control...................: [Auto]
Dimm2 Clock Skew Control...................: [Auto]

Motherboard Voltage Control

Load-Line Calibration .................. Enabled
CPU Vcore….………..........................: 1.38750V
CPU Termination…........................: 1.300V
CPU PLL………………….......................... : 1.350V
CPU Referen.…………........................: 0.760 [Auto]

MCH/ICH
MCH Core……………........................: 1.300
MCH Reference ……………………… …………… .......: [Auto]
MCH/DRAM Ref.…......0.900V...........: [Auto]
ICH I/O………………........................: 1.590
ICH Core………….........................: 1.300

DRAM
DRAM Voltage …….......................: 2.000
DRAM Termination ………….................: [Auto]
Channel A Reference ………………………….......: [Auto]
Channel B Reference ……. …………..........: [Auto]

Advanced Settings
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology................: [Disabled]

Integrated Peripherals
Legacy USB Storage Detect .............. [Enabled]

---------------------

Spec:

Intel Core 2 Quad Q6600 G0 Stepping (2.4GHz 1066MHz)
Arctic Cooling AC-FRZ-7P Freezer 7 Pro
4GB (2x2GB) Corsair TwinX DDR2 XMS2 Dominator, PC2-8500(1066)
XFX GTX 260 (216 Cores) 896MB
Gigabyte GA-EP45-UD3P iP45
Coolermaster RealPower 700W Modular PSU
Antec 300 Three Hundred Case
    
CPUMotherboardGraphicsRAM
Q6600 (400x9) Vcore: 1.376 Gigabyte GA-EP45-UD3P XFX GTX 260 (216 core) 4GB Corsair TwinX DDR2 XMS2 Dominator (+Fan) 
OSMonitorPowerCase
Vista Ultiame 64 20" Dell 1650x1050 Coolermaster RealPower 700W Modular PSU Antec 300 
Mouse Pad
really... 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Q6600 (400x9) Vcore: 1.376 Gigabyte GA-EP45-UD3P XFX GTX 260 (216 core) 4GB Corsair TwinX DDR2 XMS2 Dominator (+Fan) 
OSMonitorPowerCase
Vista Ultiame 64 20" Dell 1650x1050 Coolermaster RealPower 700W Modular PSU Antec 300 
Mouse Pad
really... 
  hide details  
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post #4 of 19
New Q6600s don't OC well. You're most likely hitting max.
1880478
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Core i5-750 @ 4.0GHz [200x20] [1.44V] [B#L928B214] MSI P55-CD53 [1.5 BIOS] GeForce 9800GT 512MB 4GB Corsair XMS3 DDR3 @ 1600MHz [9-9-9-24][1.65V] 
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30GB OCZ Vertex, 500GB WD Caviar Lite-On DVD-DL Burner Windows 7 Professional x64 Samsung 216BW 1680x1050 
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1880478
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CPUMotherboardGraphicsRAM
Core i5-750 @ 4.0GHz [200x20] [1.44V] [B#L928B214] MSI P55-CD53 [1.5 BIOS] GeForce 9800GT 512MB 4GB Corsair XMS3 DDR3 @ 1600MHz [9-9-9-24][1.65V] 
Hard DriveOptical DriveOSMonitor
30GB OCZ Vertex, 500GB WD Caviar Lite-On DVD-DL Burner Windows 7 Professional x64 Samsung 216BW 1680x1050 
KeyboardPowerCaseMouse
Razer Lycosa Corsair 650TX Antec Twelve-Hundred Razer Salmosa 
Mouse Pad
A Skylit Drive Custom Mousepad 
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post #5 of 19
buy some desent cooling IE not air and crank up the VCORE
post #6 of 19
Try 450x8 instead of 400x9.
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Hard DriveOptical DriveCoolingOS
WD1001FALS SAMSUNG SH-S223F 22X DVD MULTI Corsair H50 Fedora 16 KDE x86_64 
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HP w19b Microsoft Comfort Curve Corsair CX600 Thermaltake Armor VA8003BWS 
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post #7 of 19
Quote:
Originally Posted by error10 View Post
Try 450x8 instead of 400x9.
^This is probably the best you'll do to improve your OC. Playing with the multi and FSB to reach that same 3.6GHz can show moderate improvement. Who doesn't want more FSB?!
post #8 of 19
Thread Starter 
Thanks People,
I found the problem:
I was using both Riva Tuner and Everest to show OSD of COU and GPU temps in games, and Everest is hugely bloated, I switched to the C2D temp plugin for Riva Tuner and now it works like a charm! This is a very elegant way of keeping an eye on real world temps - and it works with all 3D games!

Ran 6 hours of Prime, 2 hours of OCCT everything stable - load temps around 66c

My Vcore is 1.4v and PLL 1.570 - I wahnt to go further, my system boots at 423x9 but Vista crashes, I am almost certain that's my memory - please share yoru thoughts or ideas, I feel I havce some headroom - Thanks!
    
CPUMotherboardGraphicsRAM
Q6600 (400x9) Vcore: 1.376 Gigabyte GA-EP45-UD3P XFX GTX 260 (216 core) 4GB Corsair TwinX DDR2 XMS2 Dominator (+Fan) 
OSMonitorPowerCase
Vista Ultiame 64 20" Dell 1650x1050 Coolermaster RealPower 700W Modular PSU Antec 300 
Mouse Pad
really... 
  hide details  
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CPUMotherboardGraphicsRAM
Q6600 (400x9) Vcore: 1.376 Gigabyte GA-EP45-UD3P XFX GTX 260 (216 core) 4GB Corsair TwinX DDR2 XMS2 Dominator (+Fan) 
OSMonitorPowerCase
Vista Ultiame 64 20" Dell 1650x1050 Coolermaster RealPower 700W Modular PSU Antec 300 
Mouse Pad
really... 
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post #9 of 19
Hi TB404,

It's good to have someone who is sharing his Q6600 overclocking experience with everyone here.

I have just completed builiding my system yesterday. Here is my result, changed from 9*360 to 8*450 which seems to be more stable and less laggy even in 2D desktop operation.



I really don't know if I should trust Real Temp or Core Temp since they differ by 6 degrees but just wanna to let you know that the peak temperature I've got after running game like Call of Duty World at War is around 50 degree.

I would suggest you get yourself a better cooler if you like to keep your current o/c profile. Mine profile here does not require much tweaking on voltage, thanks to ASUS's BIOS which "AUTO" deals with everything. I just specify the CPU Ratio to 0.8 (which means *8) and FSB to 450MHz, disable CE1 Support and CPU Spectrum. What I am trying to say is that we are lucky to get this batch of the Q6600. All we need is some really good RAM modules. I started building the system last Thursday, initially I used A-DATA DDR2 1066 which gave me only 3.5GHz and wouldn't go further. The day before yesterday I bought a new heatsink(please refer to my spec below) and a pair of 2GB Cosair XMS2 DDRII 1066 RAM modules. Now I can reach 3.6GHz which is still stable above all, the temperature are looking good both idle and at load.

Anything over 45 degrees I heard will cause the electronics to degrade. Right now I am just worrying the heat pipe around the CPU which is very hot. during gaming
    
CPUMotherboardGraphicsRAM
Core 2 Quad Q6600 P5Q Deluxe PowerColor PCS+ 4870 1GB@780MHz/3.7GHz 2*2G COSAIR XMS2 DDR2 1066 
Hard DriveOptical DriveOSMonitor
VelociRaptor 150GB Asus 20X20 DRW-20B1LT Windows Vista Ultimate 64bits LG L227WT 
PowerCase
Cosair TX750W CoolerMaster Praetorian 732 
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CPUMotherboardGraphicsRAM
Core 2 Quad Q6600 P5Q Deluxe PowerColor PCS+ 4870 1GB@780MHz/3.7GHz 2*2G COSAIR XMS2 DDR2 1066 
Hard DriveOptical DriveOSMonitor
VelociRaptor 150GB Asus 20X20 DRW-20B1LT Windows Vista Ultimate 64bits LG L227WT 
PowerCase
Cosair TX750W CoolerMaster Praetorian 732 
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post #10 of 19
try getting a different cooler.

arctic freezer pro 7's usually can't handle quads very well.

an OCZ vendetta 2 or xigmatek S-1283 (or similar) should bring your temps down and give you a little more headroom.
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Intel Q6600 G0 3.2Ghz Asus 750i P5N-D evga 9800gtx 512mb G.Skill 2x2gb PC-8500 DDR2 
Hard DriveOSMonitorPower
320gb 16mb cache Windows 7 Home Premium 64-bit Samsung SyncMaster 932BW 19" Apevia Warlock - 750 watt 
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CoolerMaster 690 
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