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[Solved] Increasing the speed of my RAM

Forum Motherboards & Memory : Memory - [Solved] Increasing the speed of my RAM

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1st duke of marlborough   09-21-2009 at 05:35:43 PM

I have 4 gigs of Gskill 1066 RAM, but I am unsure how to configure my system to utilize that speed. My friend set their clock speed in bios to 1066 but the comp froze up, as he is not as familiar with AMD as he is Intel. Thus he gave up, leaving me with RAM that is not up to its full potential.

CPU: AMD Phenom X4 9750
MOBO: ASRock A780GXE/128M
RAM: 4 gigs Gskill 1066 http://www.newegg.com/Product/Prod [...] 6820231166
4 gigs Qimonda 800 http://www.memory4less.com/m4l_ite [...] 629_250207

If I can get the Gskill to overclock, I will probly just buy 4 more gigs of it and keep the Qimonda as extra.

As always, your input is greatly appreciated!

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Best answer from 4745454b
Read the first part of mindless's post again. No noticeable difference between the two. DDR2-1066 is mostly the same as DDR2-800 due to the increase in latency. Synthetic benchmarks will show a difference, but actual programs will be mostly the same.

The 9750 should be able to handle DDR2-1066, no overclock needed. Put the memory back in, and set the memory options to auto/SPD. I would think it would default to 1066. If it locked up, double check the voltage setting.
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katanadude   09-22-2009 at 12:34:05 AM

The memory that you have posted is ddr2-800 memory. It won't run at 1066.

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1st duke of marlborough   09-22-2009 at 12:36:28 AM

The Gskill is, the Qimonda is not, as the links indicate. And, as I also indicated, I will replace the latter if I can overclock the former.

Reply to 1st duke of marlborough
mindless728   09-22-2009 at 12:40:00 AM

how about this: you won't see any noticeable difference between the two aka there really is no point

though if you want to use DDR2-1066 you would have to only use the G.Skill (as the other brand is DDR2-800)

Reply to mindless728
1st duke of marlborough   09-22-2009 at 12:46:17 AM

Again, for the third time, I am well aware--as stated in the original post--that I cannot oc the Qimonda.

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4745454b   09-22-2009 at 12:58:24 AM
Best answer

Read the first part of mindless's post again. No noticeable difference between the two. DDR2-1066 is mostly the same as DDR2-800 due to the increase in latency. Synthetic benchmarks will show a difference, but actual programs will be mostly the same.

The 9750 should be able to handle DDR2-1066, no overclock needed. Put the memory back in, and set the memory options to auto/SPD. I would think it would default to 1066. If it locked up, double check the voltage setting.

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 Reply to 4745454b
jsc   09-22-2009 at 01:59:58 AM

Here I go again: There is no such thing as DDR2-1066 RAM. Now that I have your attention ...
DDR2-1066 RAM is just DDR2-800 RAM at 4-4-4-12 (usually) timings that has been tested to run at DDR2-1066 speeds at 5-5-5-15 (usually) timings, sometimes at a slightly higher voltage. There is no practical gain to overclocking RAM.

Increasing the memory clock in response to an increase in FSB frequency is a different matter.

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