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Can 400Mhz memory run in a 333Mhz board?

  
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Larry Roberts

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Since: Apr 20, 2004
Posts: 283



(Msg. 1) Posted: Tue Apr 20, 2004 3:17 am
Post subject: Can 400Mhz memory run in a 333Mhz board?
Archived from groups: alt>comp>hardware>amd>thunderbird (more info?)
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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Since: Jan 06, 2004
Posts: 30



(Msg. 2) Posted: Tue Apr 20, 2004 9:12 am
Post subject: Re: Can 400Mhz memory run in a 333Mhz board? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"Larry Roberts" <skin-e.DeleteThis@juno.com> wrote in message
news:h8c980tg2i404ebmdkbm9evee7969d55lm@4ax.com...
 > 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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callsignviper


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rstlne1

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Since: Feb 28, 2004
Posts: 300



(Msg. 3) Posted: Wed Apr 21, 2004 9:29 pm
Post subject: Re: Can 400Mhz memory run in a 333Mhz board? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"Larry Roberts" <skin-e.RemoveThis@juno.com> wrote in message
news:h8c980tg2i404ebmdkbm9evee7969d55lm@4ax.com...
 > 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.<!-- ~MESSAGE_AFTER~ -->
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Ben Pope

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Since: Mar 29, 2004
Posts: 731



(Msg. 4) Posted: Thu Apr 22, 2004 3:02 am
Post subject: Re: Can 400Mhz memory run in a 333Mhz board? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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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A7N8X FAQ: <a style='text-decoration: underline;' href="http://www.ben.pope.name/a7n8x_faq.html" target="_blank">www.ben.pope.name/a7n8x_faq.html</a>
Questions by email will likely be ignored, please use the newsgroups.
I'm not just a number. To many, I'm known as a String...<!-- ~MESSAGE_AFTER~ -->
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