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Need help ocing q6600 on ep45-ud3r

Last response: in Overclocking
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November 4, 2009 2:56:49 AM

I have been trying to oc my q6600 beyond 3.4 for a while and Im stumped. I cant seem to go a bit higher. Also to get 10 hr stable at 3.4 with prime 95, i had to set the vcore to 1.5325v which seems really high from what i have read. Can anyone help me oc any more, like 3.6 or highter, or at least get my vcore down and keep my current speed? My temps are fine, I tried to get to 3.6 using vcore 1.5825 and only reached 71°C after a couple min of prime 95, then blue screen :cry:  . Thanks for any help! My specs are

gigabyte ep45-ud3r 1.0
q6600 @3.4 vid 1.325v actually vcore 1.488v
corsair h50 liquid cpu cooler
2x2 gskill pi black 800 @378mhz
corsair 550w psu
evga gtx260 @725/1563/1250
x2 300gb velociraptors raid 0
x1 500gb wd re2


my bios settings are

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Turbo
CPU Clock Ratio ..........................: 9
CPU Frequency ...........................: 3.40

Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 378Mhz
PCI Express Frequency (Mhz) .........:Set to 100

C.I.A.2 .................................:[Disabled]

DRAM Performance Control
Performance Enhance...................: [extreme]
Extreme Memory Profile (X.M.P.).....: auto
(G)MCH Frequency Latch...............: [Auto]
System Memory Multiplier ..............: 2.00B
Memory Frequency (Mhz) ..............: 756Mhz
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................4
tRCD .........................................4
tRP'...........................................4
tRAS..........................................12

Motherboard Voltage Control
Vdrop Control.........................Disabled
CPU
CPU Vcore….……….....1.325v*....................: 1.5375v
CPU Termination…..... 1.200V*.......: 1.4v
CPU PLL…………………....1.500V*.......: << 1.71v
CPU Referen.…………....0.755V*.......: <<< auto
CPU Reference2………,,0.800V*.......:<<< auto
MCH/ICH
MCH Core…………….....1.100V...........: << auto
MCH Reference….…….0.800V...........; <<< auto
MCH/DRAM Ref.…......0.900V...........: <<< auto
ICH I/O……………….....1.550V............: <<< auto
ICH Core…………...……1.100V............: <<< auto
DRAM
DRAM Voltage ……....1.800V............: 1.8v
DRAM Termination .…0.900V............: <<< auto
Channel A Reference 0.900V............: <<< auto
Channel B Reference 0.900V............: <<< 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) ...........: [Disabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology ................: [Disabled]

More about : ocing q6600 ep45 ud3r

November 4, 2009 3:00:15 AM

Try changing your DRAM Performance enhance settings from Extreme to Standard.
Try upping the MCH Core.

I really wouldn't recommend going above 1.5v unless you plan on getting another processor soon.
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November 5, 2009 12:46:45 PM

mobiusrm said:

my bios settings are

DRAM Performance Control
Performance Enhance...................: [extreme]
Extreme Memory Profile (X.M.P.).....: auto
(G)MCH Frequency Latch...............: [Auto]
System Memory Multiplier ..............: 2.00B
Memory Frequency (Mhz) ..............: 756Mhz
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................4
tRCD .........................................4
tRP'...........................................4
tRAS..........................................12

All of your memory timings look good.

mobiusrm said:

my bios settings are

Motherboard Voltage Control
Vdrop Control.........................Disabled
CPU
CPU Vcore….……….....1.325v*....................: 1.5375


I think that you have received a chip with a higher than average VID. This will limit how far you can increase CPU core voltages. For example, my Q6600 has a VID of 1.2625 volts (about average - lower is better). I can reach 3.3 GHz on 1.300 volts and 3.6 GHz on 1.425 volts.

Regrettably, it sounds like you lost what I call the CPU lottery. You are better off dropping the speed until you can run a vcore of less that 1.5 volts.
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November 5, 2009 3:16:39 PM

sorry i took so long to reply, i did a lot of tweaking...yep i think you are correct. I can only get 3.6 stable with like 1.5875 v core :non:  . I dont think i will run that. I was able to get 3.4 with a lower vcore tho...here are my new settings

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Turbo
CPU Clock Ratio ..........................: 9
CPU Frequency ...........................: 3.40

Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 378Mhz
PCI Express Frequency (Mhz) .........:Set to 100

C.I.A.2 .................................:[Disabled]

DRAM Performance Control
Performance Enhance...................: [extreme]
Extreme Memory Profile (X.M.P.).....: auto
(G)MCH Frequency Latch...............: [Auto]
System Memory Multiplier ..............: 2.00B
Memory Frequency (Mhz) ..............: 756Mhz
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................4
tRCD .........................................4
tRP'...........................................4
tRAS..........................................12

Motherboard Voltage Control
Vdrop Control.........................Enabled
CPU
CPU Vcore….……….....1.325v*....................: 1.4925v or something real close to that
CPU Termination…..... 1.200V*.......: 1.4v
CPU PLL…………………....1.500V*.......: << 1.71v
CPU Referen.…………....0.755V*.......: <<< auto
CPU Reference2………,,0.800V*.......:<<< auto
MCH/ICH
MCH Core…………….....1.100V...........: << 1.4
MCH Reference….…….0.800V...........; <<< auto
MCH/DRAM Ref.…......0.900V...........: <<< auto
ICH I/O……………….....1.550V............: <<< 1.6
ICH Core…………...……1.100V............: <<< 1.3
DRAM
DRAM Voltage ……....1.800V............: 1.8v
DRAM Termination .…0.900V............: <<< auto
Channel A Reference 0.900V............: <<< auto
Channel B Reference 0.900V............: <<< 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) ...........: [Disabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology ................: [Disabled]

Messing with memory performance gave me nothing. Thanks for the tips guys!
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