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New to Overclocking Ram

post #1 of 6
11/8/12 at 7:18pm
Thread Starter 
Hey all, Im new to overclocking ram, ive done a little bit of OC on my CPU but i want to understand how ram comes into play before i do anything more and ruin something biggrin.gif As far as i understand, RAM speed will go off your FSB until the RAM's own clock speed is maxed then it will become unstable. So my 1600 RAM would be able to run at 300 FSB?Does this mean its much better to have a low multiplier and a high FSB?. Also im currently reading up on RAM timing, but atm i cant find a decent write up of it. If anyone could link me one to read would be greatly appreciated thumb.gif How much does RAM timing come into play when increasing speeds? Will timing be more important then the FSB speed?

O also i have a
Asus Sabertooth x79
Intel 3930k
2x8gb G. Skill Ripjaw x

Cheers in Advanced guys thumb.gif
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post #2 of 6
11/8/12 at 11:26pm
on X79 the FSB (aka BCLK) is not important, you just keep it at 100 and raise the RAM frequency via available RAM multipliers.
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post #3 of 6
11/9/12 at 4:58am
Thread Starter 
that will be good enough?
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post #4 of 6
11/9/12 at 6:50am
yes, you can run DDR3-2400 (where IMC usually top out) without having to raise BCLK at all
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post #5 of 6
11/9/12 at 12:44pm
Quote:
Originally Posted by Sam OCX View Post

on X79 the FSB (aka BCLK) is not important, you just keep it at 100 and raise the RAM frequency via available RAM multipliers.

Hey there sorry for the Hijack. But I have a similar question. If im running 2133 how do i achieve this with a 100mhz base clock using a multiplier? Sure I can go 100x21 but thats 2100 not 2133. Can you switch from 100mhz base to say 133mhz?
or maybe 106.65 mhz base? then i could do 106.65x20 to get 2133 exactly.

Thanks
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Happy time PC.
(16 items)
  		  
CPUMotherboardGraphicsGraphics
3930K Asus P9X79LE EVGA GTX660 Ti Superclocked EVGA GTX660 Ti Superclocked 
RAMHard DriveHard DriveOptical Drive
16 gigs A-Data Sandisk 128 ssd 2 TB 7200 rpm spinner Panasonic Blue Rey Reader / Writer 
CoolingOSMonitorKeyboard
Asatek 570LX water Windows 8 pro (64bit) 40 inch Sony Bravia TV at 1080x1920 AZZA 
PowerCaseMouseAudio
Extreme Gear 800W Azza Hurricane 2000 AZZA Mother board 7.1 
View all
  hide details  
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post #6 of 6
11/10/12 at 2:53am
Memory multipliers are not even, the DDR3-2133 one is actually 3:32, i.e. at 100MHz BCLK it gives exactly 1066MHz RAM frequency.
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