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400 memory on a P4B533



 
 
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  #1  
Old November 26th 03, 02:45 AM
Jbarber
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Default 400 memory on a P4B533

Will this board actually use this faster memory or do I need to go to 333.


  #2  
Old November 26th 03, 09:34 AM
Lee
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According to asus the P4B533 only supports pc1600 or pc2100 ram.

On Wed, 26 Nov 2003 01:45:25 GMT, "Jbarber" wrote:

:Will this board actually use this faster memory or do I need to go to 333.
:


-----
Lee.
  #3  
Old November 26th 03, 06:53 PM
John
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You can use at least some brands of DDR400 (ie. PC3200).

I am using one stick of Corsair XMS 3200 CAS 2 in a P4B533-E.

You can overclock to higher FSB's if you use just ONE stick of memory, so
get all your RAM as one stick.

Set dipswitch 6 to ON (on the motherboard) and choose 1:1 RAM ratio in the
bios. This combination actually gives you 4:3 ram ratio (an undocumented but
well known feature of this motherboard). (ie. with your FSB at 133 your RAM
will be at 354mhz, and if you set your FSB to 150mhz your RAM will be at
400mhz).

Remember to lock your AGP/PCI buses at 66/33 in the bios too.

I am running P4 1.8Ghz at 150 FSB (cpu at 2.7Ghz, RAM at 400mhz).


"Jbarber" wrote in message
able.rogers.com...
Will this board actually use this faster memory or do I need to go to 333.




  #4  
Old November 27th 03, 12:43 AM
~misfit~
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John wrote:
You can use at least some brands of DDR400 (ie. PC3200).

I am using one stick of Corsair XMS 3200 CAS 2 in a P4B533-E.

You can overclock to higher FSB's if you use just ONE stick of
memory, so get all your RAM as one stick.

Set dipswitch 6 to ON (on the motherboard) and choose 1:1 RAM ratio
in the bios. This combination actually gives you 4:3 ram ratio (an
undocumented but well known feature of this motherboard). (ie. with
your FSB at 133 your RAM will be at 354mhz, and if you set your FSB
to 150mhz your RAM will be at 400mhz).

Remember to lock your AGP/PCI buses at 66/33 in the bios too.

I am running P4 1.8Ghz at 150 FSB (cpu at 2.7Ghz, RAM at 400mhz).


Your usage of units is misleading. The RAM will *not* be at 354 *MHz* or 400
*MHz*, it will be at 177MHz or 200MHz. Please don't use the term MHz when
you mean data-rate. It is confusing for people who don't know better.

(Hint: The prefix 'DDR' means Dual-Data Rate and is not a measure in MHz.)
--
~misfit~

"Jbarber" wrote in message
able.rogers.com...
Will this board actually use this faster memory or do I need to go
to 333.



  #5  
Old November 27th 03, 03:36 AM
Jbarber
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Maybe I should clarify. I added a 2.67 P4 which easily runs at 3 gig at
stock voltage. I borrowed a stick of 333 to test this since my own is 266. I
would like to overclock this chip and since I need to buy faster ram I
thought that I should buy 400. I have no ability to test this beforehand so
hense the question. I have heard that there is a lot of trouble using 400
ram on this board so I thought I would ask before ordering the ram.


"Jbarber" wrote in message
able.rogers.com...
Will this board actually use this faster memory or do I need to go to 333.




 




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