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Can 400Mhz memory run in a 333Mhz board?

 
 
Larry Roberts
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      04-20-2004, 05:17 AM
I'm wondering if 400Mhz DDR memory can run at 333Mhz? I can get the
400Mhz rated DDR for a few bucks cheaper than the 333Mhz rated
version, but my board only supports upto 333Mhz DDR. I know that SDRAM
DIMMs are backwards compatable with slower bus speeds, but what about
DDRAM?

 
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callsignviper
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      04-20-2004, 06:12 AM

"Larry Roberts" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I'm wondering if 400Mhz DDR memory can run at 333Mhz? I can get the
> 400Mhz rated DDR for a few bucks cheaper than the 333Mhz rated
> version, but my board only supports upto 333Mhz DDR. I know that SDRAM
> DIMMs are backwards compatable with slower bus speeds, but what about
> DDRAM?
>


Usually it will.

Have you checked the RAM manufacturer's website for specs? It should tell
you there what speed(s) their RAM will run at and there is usually a
motherboard compatibility list as well.


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the right questions.


 
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rstlne
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      04-21-2004, 05:29 PM

"Larry Roberts" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I'm wondering if 400Mhz DDR memory can run at 333Mhz? I can get the
> 400Mhz rated DDR for a few bucks cheaper than the 333Mhz rated
> version, but my board only supports upto 333Mhz DDR. I know that SDRAM
> DIMMs are backwards compatable with slower bus speeds, but what about
> DDRAM?
>


Yes..
If your told no then dont talk to them any more.


 
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Ben Pope
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      04-21-2004, 11:02 PM
Larry Roberts wrote:
> I'm wondering if 400Mhz DDR memory can run at 333Mhz? I can get the
> 400Mhz rated DDR for a few bucks cheaper than the 333Mhz rated
> version, but my board only supports upto 333Mhz DDR. I know that SDRAM
> DIMMs are backwards compatable with slower bus speeds, but what about
> DDRAM?


Well, besides that fact that you're talking about memory rated for 200MHz on
a board rated for 166MHz.... yes, it should work fine, at 166MHz.

Ben
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