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1600 Mhz ram will only go 1333 Mhz help!

Forum Motherboards & Memory : Memory - 1600 Mhz ram will only go 1333 Mhz help!

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jetienne   10-11-2008 at 05:34:02 PM

Now before i ask my question, i am aware that when running a CPU with a max FSB will limit RAM to that FSB. My problem is that i want to be able to run my 1600 mhz ram at 1600 mhz but i dont want to fiddle around with the voltages, timings or anything without knowing exactly what im doing.

here's my setup (the relavant components):

Intel E8500 Wolfdale 3.16 ghz processor
Corsair DDR3 2x2 GB 1600 Mhz 9-9-9-24 1.8v XMS3 ram
XFX nVidia 790i motherboard

please don't stray off topic i'd like only help please. :)

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Mondoman   10-12-2008 at 04:19:23 AM
- 0 +

jetienne wrote :

..., i am aware that when running a CPU with a max FSB will limit RAM to that FSB.

not true.

But you didn't actually ask a question -- what is your question?


Message edited by Mondoman on 10-12-2008 at 04:19:57 AM
------------------------------ e2160@3GHz: OCing my way to Ubuntuland!
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tnorbu   11-26-2008 at 08:29:26 AM
- 0 +

hey!
so can a 1600 mhz RAM work effeciently with a cpu with 1333 mhz FSB???

Reply to tnorbu
gamerk316   11-26-2008 at 02:24:10 PM
- 0 +

Sure. The RAM won't be in a 1:1 ratio, but 1:1 is a minimal speed increase anyway.

Reply to gamerk316
Malosa   03-07-2009 at 04:59:02 PM
- 0 +

I have the same configuration and it's easy.

Set FSB to 400 MHz (it was 333).

Set multiplicator to 8 (it was 9.5)

Set RAM to 1600 and 1.8V (it was 1333 and 1,5V)

Now you have the CPU at 3200 MHz, RAM at 1600 MHz and 1:1 ratio.

Reply to Malosa
Malosa   03-07-2009 at 05:02:29 PM
- 0 +

I have the same configuration and it's easy.

Set FSB to 400 MHz (it was 333).

Set multiplicator to 8 (it was 9.5)

Set RAM to 1600 and 1.8V (it was 1333 and 1.5V)

Now you have the CPU at 3200 MHz, RAM at 1600 MHz and 1:1 ratio.

NOTE: I write this for anyone who arrives here surfing the internet.

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theAnimal   03-07-2009 at 07:40:24 PM
- 0 +

Malosa wrote :

I have the same configuration and it's easy.

Set FSB to 400 MHz (it was 333).

Set multiplicator to 8 (it was 9.5)

Set RAM to 1600 and 1.8V (it was 1333 and 1.5V)

Now you have the CPU at 3200 MHz, RAM at 1600 MHz and 1:1 ratio.

NOTE: I write this for anyone who arrives here surfing the internet.



What if he doesn't want to OC the CPU? It would be easier to just change the FSB to RAM divider.

And you shouldn't need 1.8V for 1600MHz. Use whatever the RAM is rated at.

------------------------------ *How To Ask For New Build Advice*
HAF 922 | HX750
Rampage2Gene | i7 920 D0 | 6GB Gold 1600 | Hyper 212+
Caviar Black 640GB | HD3870
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