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SDRAM Question - Mixing Speeds

Forum CPU & Components : CPUs - SDRAM Question - Mixing Speeds

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Anonymous   04-06-2005 at 02:40:16 PM

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

 

I have a Dell system that has multiple memory slots. Currently, there
is only one slot filled which has 256MB DDR2 SDRAM at 400MHZ. I have
another SDRAM modulte that is 256MB SDRAM PC133. I don't know if it
is DDR or not. My basic question is how much of a performance hit I
will take by mixing the memory.

TIA -
Josh

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None   04-07-2005 at 08:00:04 AM
- 0 +

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

 

You can't mix them, they're like chalk and cheese, completely different.

"joshfeingold" <joshfeingold@hotmail.com> wrote in message
news:1112802016.834461.327010@l41g2000cwc.googlegroups.com...
>I have a Dell system that has multiple memory slots. Currently, there
> is only one slot filled which has 256MB DDR2 SDRAM at 400MHZ. I have
> another SDRAM modulte that is 256MB SDRAM PC133. I don't know if it
> is DDR or not. My basic question is how much of a performance hit I
> will take by mixing the memory.
>
> TIA -
> Josh
>

Reply to None
Anonymous   04-06-2005 at 03:10:20 PM
- 0 +

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

 

So PC133 isn't DDR2 ram?

Reply to Anonymous
Anonymous   04-06-2005 at 11:49:29 PM
- 0 +

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

 

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In article <1112803820.898250.127560@o13g2000cwo.googlegroups.com>,
joshfeingold <joshfeingold@hotmail.com> wrote:
>So PC133 isn't DDR2 ram?

It isn't even DDR, let alone DDR2. It's plain old SDRAM.

_/_
/ v \ Scott Alfter (remove the obvious to send mail)
(IIGS( http://alfter.us/ Top-posting!
\_^_/ rm -rf /bin/laden >What's the most annoying thing on Usenet?

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Reply to Anonymous
Anonymous   04-07-2005 at 04:24:44 PM
- 0 +

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

 

On 6 Apr 2005 08:40:16 -0700, "joshfeingold"
<joshfeingold@hotmail.com> wrote:

>I have a Dell system that has multiple memory slots. Currently, there
>is only one slot filled which has 256MB DDR2 SDRAM at 400MHZ. I have
>another SDRAM modulte that is 256MB SDRAM PC133. I don't know if it
>is DDR or not. My basic question is how much of a performance hit I
>will take by mixing the memory.

You'll take a BIG performance hit... like a 100% performance hit.
Given that you would need to use a hammer to get the chips to fit into
the incompatible sockets, the chances of your computer booting after
such an installation are pretty darn slim.

-------------
Tony Hill
hilla <underscore> 20 <at> yahoo <dot> ca

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