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#1 mollymoo

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Posted 05 February 2009 - 10:57 AM

I'm going to replace 2x 512 sticks with 2x 1024 sticks and have a few questions:
1 Is there any real benefit with low latency ram the timings with the new sticks is 4-4-4-12
2 Crucial or Corsair my old ram is Corsair xms2 the new stuff i'm looking at is Crucial ballistix is there a lot of difference between manufacturers.
3 If I stick 2x 1 gig sticks in the dual memory slots what effect would then sticking the remaining 2x 512 sticks in the remaining 2 slots ?

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#2 dc3

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Posted 05 February 2009 - 12:16 PM

You can use modules of different speeds in dual channel, but all of the modules need to have the same specifications to run properly in dual channel. Populating the RAM should have the different speeds paired. For this reason I would suggest going with Corsair since you already have modules from them. The Ballistix is good RAM, but if you aren't going to be overclocking I don't think you will notice the difference between it and less expensive modules by Crucial.

Edited by dc3, 05 February 2009 - 12:18 PM.

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#3 mollymoo

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Posted 05 February 2009 - 12:59 PM

so sticking 2x 1 gig corsair in the dual channel then the 2x 512 in the other two modules is better than just 2x 1gig in the dual channel on its own?

#4 rigacci

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Posted 05 February 2009 - 01:32 PM

Are the 2 512MB sticks the same manufacturer and model?

If yes, than the answer would be YES, putting a set of 1GB sticks along with the existing 512 sticks should give you the best result.


Good luck.

D

#5 dc3

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Posted 05 February 2009 - 01:36 PM

From you statement " dual memory slots" I'm assuming that your computer is capable of operating in dual channel. It might be worth posting the make and model of your computer if you aren't sure that it is capable of running in dual channel.

If you do have matched modules and have them populated properly then yes. If the modules don't have the same specs and don't operate properly in dual channel you will be better off with just the two 1GB modules. Dual channel effectively makes the RAM run almost twice as fast.

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#6 mollymoo

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Posted 05 February 2009 - 01:45 PM

abit kn9s m/b
amd athlon 64x2 4600
corsair cm2x512a-6400 512mb dimm ddr2 pc2-800 (5.0-5-5-18 3-22-6-3) x2

if i get 2 more sticks

http://www.scan.co.uk/Products/2GB-(2x1GB)...ed-CAS-4-4-4-12

like them then it should be ok to populate with all 4 sticks without any detrement ?

Edited by mollymoo, 05 February 2009 - 01:47 PM.


#7 fairjoeblue

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Posted 05 February 2009 - 03:40 PM

The kn9s has 4 memory slots & dual channel.
Get 2X1GB that match what you already have.
Put a matched pair in slots 1&3 , the other matched pair in 2&4 .

Whe you change the memory turn the unit off, unplug it, & press the on button to disappate any stored energy before you open the case. :thumbsup:
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#8 the_patriot11

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Posted 06 February 2009 - 03:09 AM

u shouldnt have any problem even with different brands (in theory but Id stick with the same brand if at all possible) for max performance though all the sticks need to run at the same clock speed, voltage, and timing. if they dont, the new chips will work but they will run at the lower end rams specs. size isnt a big deal, timings probaby not a huge issue, but I would make sure they all run at the same clock speed and voltage. :D

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#9 mollymoo

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Posted 06 February 2009 - 03:22 AM

Hmm just been searching around and its a split between some people saying that its always been 1 + 3, 2 + 4 others saying check the manual which for this board says populate 1 + 2, 3 + 4 for dual channel so now i just dont know is there any way of checking?

#10 dc3

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Posted 06 February 2009 - 03:40 AM

Most motherboards have different colored slots, like two yellow and two blue. If you had two modules they would go in the first colored slot and the second module in the other slot of the same color.

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#11 mollymoo

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Posted 06 February 2009 - 05:13 AM

Thanks thats what i'll do :thumbsup:

#12 dc3

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Posted 06 February 2009 - 05:24 AM

Remember that static electricity can kill ICs, before you handle the module discharge yourself to the metal of the case.

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#13 Hunter00

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Posted 06 February 2009 - 08:01 PM

10-4 New topic

Edited by Hunter00, 07 February 2009 - 01:31 PM.


#14 hamluis

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Posted 06 February 2009 - 09:07 PM

I would have started a new topic...specific systems, circumstances, and issues to be considered are usually not similar enough to tag onto someone else's thread...IMO.

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#15 audioAl

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Posted 07 February 2009 - 07:08 AM

I'm going to replace 2x 512 sticks with 2x 1024 sticks and have a few questions:
1 Is there any real benefit with low latency ram the timings with the new sticks is 4-4-4-12
2 Crucial or Corsair my old ram is Corsair xms2 the new stuff i'm looking at is Crucial ballistix is there a lot of difference between manufacturers.
3 If I stick 2x 1 gig sticks in the dual memory slots what effect would then sticking the remaining 2x 512 sticks in the remaining 2 slots ?

As to the latency, lower is preferred by audiophiles, I personally like my Corsair 800Mhz which is 5-5-5-18, if I remember correctly.
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