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dimm question


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#1 Tracer3

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Posted 28 January 2010 - 09:26 PM

I have two ddr3 1600 12800 2 gig cards cas latency 9 voltage 1.65 to 1.85. Can I use two like sticks w/same latency but 1.5 volts as well. Dual channel that I have reports on about Initial start up problems with sticks greater than 1.5. If I can use the 1.5s how should they be configured in the four slots.

Edited by Tracer3, 28 January 2010 - 09:28 PM.


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#2 Baltboy

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Posted 29 January 2010 - 10:09 AM

When doing Dual Channel setups it is always best if possible to use the same manufacturer, model, and size for every module. Variances in any of the tmiings and voltages for any memory modules being used can cause all kinds of random errors to creep in. It may cost a few more dollars but it is well worth it in the headache and heartache that can be caused by trying to take the cheap way out. Setting the memory you have at a lower voltage is not a good idea. The listed 1.65 volt power rating is the minimum it needs to successfully function.
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#3 Tracer3

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Posted 30 January 2010 - 03:26 PM

Thanks, I think that answers my question. I will post if there is a problem after setting the bios on the new board and booting. Waiting for Linux OS Gosalia (mad monkey) to fire off in the next two days.

#4 the_patriot11

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Posted 30 January 2010 - 04:02 PM

sometimes in theory, however not recomended. it is best to run the memory voltages at what the ram is designed for and mixing voltages is a bad idea. You can mix speeds and timings, because with that they just default to the slower speed, however if your running ram at a lower voltage then recomended the system may become unstable. if you run it all at 1.5v none of them are at the right ram, if you run it at 1.65v the 1.65v will run smooth but the ram thats supposed to run at 1.85v may become unstable, and if you run it all at 1.85v the ram thats supposed to run at 1.65v may overheat and/or become damaged from overvoltage. Mixing voltages is not a good idea, I would run one or the other, and for optimum performance all sticks should be the same make model, everything, run at the same voltage, same size, same clock frequiency, and same timings.

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