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Gigabyte P35-DQ6 DDR Voltage Q

post #1 of 12
Thread Starter 
My ram are running on 2.2 voltage 2gb in the manual it says
DDR2 Overvoltage Control: +0.05v to +1.55v in 0.05v increments what does this mean? if i want set my voltage manully on bios voltage system DDR voltage should i set at +0.05? isnt 0.05 equal to 1.55v? that wouldnt work with my ram so if i set to 0.10 how much voltage that would be? 2.0v?
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post #2 of 12
First things first... fill your your systed specs in your User CP at the top of the page, then once we know what you are working with we'll probably be able to give you a better idea.
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post #3 of 12
Quote:
Originally Posted by gt12345 View Post
My ram are running on 2.2 voltage 2gb in the manual it says
DDR2 Overvoltage Control: +0.05v to +1.55v in 0.05v increments what does this mean? if i want set my voltage manully on bios voltage system DDR voltage should i set at +0.05? isnt 0.05 equal to 1.55v? that wouldnt work with my ram so if i set to 0.10 how much voltage that would be? 2.0v?
The board defaults to 1.8v. So if you want to get the ram voltage to run at 2.2v (I assuming you have Ballistix or some micron D9 based ICs), you will have to add +0.4v.

...1.
...1.8v
+ 0.4v
...2.2v
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post #4 of 12
Thread Starter 
Quote:
Originally Posted by ericeod View Post
The board defaults to 1.8v. So if you want to get the ram voltage to run at 2.2v (I assuming you have Ballistix or some micron D9 based ICs), you will have to add +0.4v.

...1.4
...1.80v
+ 0.04v
...2.20v
in the ddr voltage option only show +0.05 and up, I dont see +0.04V in the list.
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post #5 of 12
Quote:
Originally Posted by gt12345 View Post
in the ddr voltage option only show +0.05 and up, I dont see +0.04V in the list.
I totally did that wrong... I meant to put +0.4v... I'm really sorry, I'll fix the post.
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post #6 of 12
Thread Starter 
Quote:
Originally Posted by ericeod View Post
I totally did that wrong... I meant to put +0.4v... I'm really sorry, I'll fix the post.
you mean +0.40v?
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post #7 of 12
Quote:
Originally Posted by gt12345 View Post
you mean +0.40v?
0,4 and 0,40 and 0,400 and 0,4000 and 0,4000 is the same

(lol)
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post #8 of 12
Quote:
Originally Posted by gt12345 View Post
you mean +0.40v?
Yes, same thing. anything to the right of the decimal point is decreasing. so 0.4v is the same as 0.4000000000000000000000000v... you get the point.

Since you filled in your system specs, I'll help you get a decent starting OC:

Here are some settings you could use to get 3.2GHz with your Q6700 assuming the CPU can handle 3.2GHz at 1.35v or less (this OC is very doable with these settings). These arent difinitive, it is all based on the CPU, but these settings are solid for the board itself and should get you started.

Advanced BIOS Features
CPU Enhanced Halt (C1E) Disable
CPU Thermal Monitor 2(TM2) Disable
CPU EIST Function (Note) Disable

MB Intelligent Tweaker(M.I.T.)
CPU Host Clock Control Enabled
x CPU Host Frequency (Mhz) 320
PCI Express Frequency (Mhz) 100
System Memory Multiplier (SPD) 1066 (with your FSB at 320, you can pick a higherdivider, so pick one as close to 1066)

System Voltage Control
DDR2 OverVoltage Control: +0.4v (default is 1.8v)
PCI-E OverVoltage Control [Normal]
FSB OverVoltage Control [Normal] (might need +0.2 when running above 400 FSB)
(G)MCH OverVoltage Control [Normal] (This is your northbridge voltage, might need +0.2 when running above 400 FSB)
CPU Voltage Control 1.35v - 1.4v (this is your CPU's vcore, it might need less then 1.35v, or it might need a little bit more... only testing will tell)

Depending on what bios you have, you might have to press [CTRL+F1] in the main bios menu to access advanced memory timing options.




You also need to download CPU-Z to check settings from within windows. The main CPU tab and memory tab are the important ones. Also use CoreTemp to monitor your CPU's temp at idle and load. To put a load and stress test your OC, run Prime 95. All of these programs can be found in the downloads section.


Note: You can probably OC much higher, but this is a starting point for you to start from. Just test for stability at 3.2GHz and work up from there. Dont be afraid to lower the CPU's multi to obtain a higher FSB clock either!
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post #9 of 12
Thread Starter 
allright cool i finally set it my ram voltage at 2.2 manully and overclock my cpu too 333fsb working no voltage change here. im going to try ur setting now
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post #10 of 12
Quote:
Originally Posted by gt12345 View Post
allright cool i finally set it my ram voltage at 2.2 manully and overclock my cpu too 333fsb working no voltage change here. im going to try ur setting now
I would then try 340 FSB for 3.4GHz, then 360 FSB, and so on. Once you find the max CPU overclock, you can start lowering the CPU multi and try for higher FSB. I would recommend +0.1v to both G(MCH) and FSB overvoltage when you start going over 333 FSB.
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