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OCing E6750 to 3.2Ghz

post #1 of 11
Thread Starter 
I'm thinking of OCing my system to 3.2 but I was wondering if ppl could help recommend some settings?

Robust Graphics Booster Auto/Fast/Turbo ?
CPU Clock Ratio 8 ?
CPU Host Clock Control Enable/Disable ?
CPU Host Frequency 100-700 ?
PCI Express Frequency (Mhz) Auto/90-150 ?
CPU Intelligent Accelerator 2 (C.I.A. 2) Enable/Disable ?
System Memory Multiplier (SPD) Auto/2.5-4.0+ ?
High Speed DRAM DLL Settings Option 1/Option 2 ?
Performace Enhance Standard/Turbo/Extreme ?
System Voltage Control Auto/Manual ?
DDR2 OverVoltage Control Auto ?
PCI-E OverVoltage Control Auto ?
FSB OverVoltage Control Auto ?
(G) MCH OverVoltage Control Auto ?
CPU Voltage Control Auto ?


I'm using a Gigabyte x38-ds5 mobo with 4 sticks of 1gig Mushkin 1066 Link

Was hoping to OC these sticks as well to 4-4-4-12? But this is actually only my 2nd time around OCing anything and would appreciate any settings to work with!

Just to add, was thinking of going crossfire with two HD3870 cards and apparently the cpu could be a bottleneck for the system so this is why i'm trying to OC the system to 3.2!
post #2 of 11
Robust Graphics Booster Auto/Fast/Turbo - Auto
CPU Clock Ratio 8 - leave it at 8, that is your multi
CPU Host Clock Control Enable/Disable - enable, so you can actually adjust the FSB
CPU Host Frequency - 100-700 well 8x400 will get you 3.2GHz, although i would go up incremently, maybe 20MHz at a time till it is unstable.

PCI Express Frequency (Mhz) Auto/90-150 - Lock it at 100MHz
CPU Intelligent Accelerator 2 (C.I.A. 2) Enable/Disable - disable i guess, that just makes the CIA2 options available in easy tune.

System Memory Multiplier (SPD) Auto/2.5-4.0+ I believe 2 is the optimum setting which will make it the FSBRAM at 1:1 ratio. (unless its diff to my mobo, although i doubt it, so 2 will do)

High Speed DRAM DLL Settings Option 1/Option 2 not too sure, leave it at deafualt and you should be right.

Performance Enhance Standard/Turbo/Extreme - standard
System Voltage Control Auto/Manual - Leave it at auto until you start to get system instability. When your CPU is unstable at a certain speed, it is usually due to the voltage. That is when you will need to set this to manual and find out your stock CPU voltage and then put it up by .1v increments until your CPU is stable. If your temps remain fine, you can continue to OC. Dont go over 1.5v unless u have very good cooling (water)
DDR2 OverVoltage Control Auto - Auto unless you are experiencing Memory instability, id say not to let ur RAM go over 2.1v
PCI-E OverVoltage Control Auto - Auto or off
FSB OverVoltage Control Auto - Auto unless you are experiencing FSB instability. Same principle as the CPU voltage, although i would get more info on this as im not sure of the max voltage etc.
(G) MCH OverVoltage Control Auto - auto
CPU Voltage Control Auto - auto untill you experience instability.


I hope that helps, even though i tried to explain thnigs there, if you need more help PLEASE POST before you try something unless you are sure you wont screw it up. Its much better to ask a question here, then to go out and buy new hardware.
rebourn
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rebourn
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post #3 of 11
Thread Starter 
I have a question about my memory,

this is what cpu-z dump files says on my mem sticks:

Memory SPD
------------------------------------------------------------------------------

DIMM #1

General
Memory typeDDR2
Module formatRegular UDIMM
Manufacturer (ID)Mushkin (7F7F7F94FFFFFFFF)
Size1024 MBytes
Max bandwidthPC2-6400 (400 MHz)
Part number991535 (996535)
Manufacturing dateWeek 12/Year 07

Attributes
Number of banks2
Data width64 bits
CorrectionNone
Nominal Voltage1.80 Volts
EPPyes (1 profiles)
XMPno

Timings table
Frequency (MHz)266400
CAS#4.05.0
RAS# to CAS# delay45
RAS# Precharge45
TRAS1218
TRC1623

EPP profile 1 (abbreviated)
Voltage level2.250 Volts
Address Command Rate2T
Cycle time1.875 ns (533.3 MHz)
tCL5.0 clocks
tRCD5 clocks (9.25 ns)
tRP4 clocks (7.50 ns)
tRAS12 clocks (22.00 ns)


there are two columns in the "Timings table" with various values and the EPP Profile 1 that shows a 5-5-4-12.

what should i be looking at to see what my ram is currently running at? I'm hoping to also overclock my ram to 4-4-4-12 if that is possible in the bios? any help would be much appreciated!
post #4 of 11
The normal '4-4-4-12' setting in BIOS should be in MIT under simple RAM option or something to that affect. In CPUz it will be under the Memory tab.
rebourn
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rebourn
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post #5 of 11
fill out your system specs first
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My Box
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post #6 of 11
to get such a small overclock I wouldnt have though you would need to do anything but up the fsb
Hathor
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Hathor
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post #7 of 11
Thread Starter 
would upping my fsb to 400 be sufficient?
post #8 of 11
yes, but you may need to up the vcore and losen your RAM timings/run a divider.

I think you should read these guides that explain some of these terms im using.
http://www.overclock.net/intel-cpus/...ing-guide.html
http://www.overclock.net/intel-cpus/...l-threads.html

take a look at them and it should give you more of an understanding on how to OC, and things that affect stability etc.
rebourn
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rebourn
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Hard DriveOptical DriveOSMonitor
5 x 500GB Seagate SATA BenQ DVD Writer Windows 7 Pro 64Bit LG L204WT 20.1" WS 
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HP OCZ StealthXStreme 600W CM 690 Creative 
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post #9 of 11
Thread Starter 
Sorry to bring up a old topic, but was wondering if anyone had any comments on setting the PCI-E at an actual value rather than "Auto"? I usually like setting my values manually assuming that I kinda have an idea what it does, but also came across another thread about locking in the value at "110" but it wouldn't do any good without a 9600 GT. I'm thinking of manually locking in the PCI-E at "100" over "Auto", would there be any difference in performance (doesn't matter if it is tiny)?
post #10 of 11
Thread Starter 
Sorry to add another question, but currently on my Gigabyte X38-DS5 (although cpu-z says x38-dq6, pretty sure i bought a ds5) I have multiple options of the same System Multiplier (e.g. 2.00A, 2.00B, 2.00C, and 2.00D).

I'm trying to run a 1:1 divider and I have 4 x 1gig PC-6400. Which of these A, B, C, D's should I choose? I'm looking to max my performance of my ram. Also my fsb is OCed to 400 with a multiplier of 8. Vcore in bio is set to 1.25.
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