Dimm Voltages????

[Cruze8]

Hi all... my mobo supports dimm voltages of 3.3 3.4 and 3.56v and I was wondering if changing the voltage from 3.3 to 3.4 or 3.56 could help my overclocking stability.... I have a p3 866 running on a asus cuv4x mobo with a single stick 256mb of micron sdram.... also what are the disadvantages of upping the dimm voltage? could I potentially fry my ram running it at that high of a voltage??? I have great case cooling though... only no ramsinks... any help would be appreciated

 

[Theslowone]

How are you overclocking?
It may help but I don't think you are going to see a big improvement over the default 3.3. Going up to 3.4 might, but some ram is just not ment to be running at 30mhz over spec and at cas 2.

I doubt you will mess up anything but there is always that possibility.

 

[AndyHui]

The CUV4X only supports VIO voltage adjustments, not RAM only voltage adjustments. In addition to increasing voltage to the DIMMs, voltage to the chipset, AGP slot and PCI slots are increased as well.

ASUS factory defaults the VIO voltage on their motherboards at 3.4volts, which is already higher than the nominal 3.3 volt specification. You can increase the voltage to 4.56 volts, but usually doesn't make much difference.

You do not need to worry about RAM frying until you get up to about 3.7 or so volts.

 

[Cruze8]

I am overclocking via the front side bus... and I'm tryin to achieve a 144mhz bus speed..... I have good pc133 sdram so I think it can handle 144...

 

[Wind]

<< I am overclocking via the front side bus... and I'm tryin to achieve a 144mhz bus speed..... I have good pc133 sdram so I think it can handle 144... >>


3.4v would be enough for hitting this FSB range.

 

[Cruze8]

so if I put the vio to 3.4 will it up the core voltage on my cpu?

 

[AndyHui]

My post above tells you what devices VIO sends voltage to. It has nothing to do with CPU voltage.

Your board is already set to 3.4 volts VIO.

 

[Cruze8]

so andy since it's sending more power to my agp and pci devices does this mean that my vid card will generate more heat??? or is the heat negligable?

 

[Cruze8]

oh and sorry to sound stupid here but does it send more voltage to the hard drives??? and if so could it cause data corruption or failures?

 

[AndyHui]

Additional heat produced by the video card is negligible.

Hard drives get their power directly from the power supply....not the motherboard. Again, I listed all the components that are affected by VIO in my first post above.