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12391
February 17th, 2009 10:00
E521 and memory speed
Hello all,
I've seen several posts showing people running 800MHz memory in their E521 machines. My question is, does the E521 take advantage of it's full speed, or does it drop down to 677MHz. (333) Thank you.
E521
X2 5400+ @ 3GHz
512MB 8800GT
4GB PC2-5300
stock PS
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thorman944
1 Rookie
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17 Posts
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April 2nd, 2009 17:00
When I was only using 2 x 1GB sticks of PNY Optima DDR2-PC6400-800MHZ,
it showed speed in BIOS and when I looked at Vista's Windows Experience Index, I get the highes possible score of 5.9.
I am still using that memory, but have since added 2 x 1GB sticks of Crucial Ballistics Tracerz. WEI didn't change, because it was maxed-out before, but yeah, an E521 will not only accept DDR2-800, it will run it at full speed.
tom
RoHe
12 Elder
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45.2K Posts
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172.6K Points
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February 17th, 2009 13:00
The manual says it supports 533-MHz, 667-MHz, 800-MHz (when available) DDR2 SDRAM. So the 800-MHz should run at full speed, as long as you don't mix it with slower RAM. In that case, all RAM will run at the speed of the slowest modules.
Ron
2CORE_NEO
13 Posts
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February 17th, 2009 20:00
Thanks RoHe, I had seen the updated manual.
Just looking for some confirmation if anyone out there has run cpuz or something similar to show it's actual running speed. Memory is quite inexpensive ATM. Thank you.
kcaravelli
7 Posts
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December 17th, 2009 21:00
thoman,
I believe it was you who mentioned on another forum that you thought the E521 would run 8GB of ram. Have you tried more than 4 GB yet or have you heard of anyone trying it.
If I can't get this system to run more than 4 GB of RAM I am going to build a new box because of needs for working hard in virtualization with MOSS.
The CPU speed doesn't get in my way since it just a dev/sandbox system.
Thanks,
Keith