A stupid n00b (to DDR ram) question....

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Brutuskend

Lifer
Apr 2, 2001
26,558
4
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I just bought a GIG of DDR400 ram. Will this work OK with a CPU that uses a lesser FSB speed?

I'm looking to put it in a DFI Lan Party Mother Board which as I understand allows you to set the ram speed separate from the CPU FSB. (I could be wrong...)

Edit: I have a B core 1700+ T-Bred and a B core 2100+ T-Bred and I was thinking about using the 1700 in the Lan Party (unless I can get a good deal with the M/B and a Barton combo)
 
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Dough1397

Senior member
Nov 3, 2004
343
0
0
it will work ok, it will just go to the correct speed assumign your divider is set at 1:1 so if your fsb is 333 than your ram will be at 333

what are your system specs, you might be able to get help form others if oyu post system specs
 
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Brutuskend

Lifer
Apr 2, 2001
26,558
4
0
Originally posted by: Dough1397
it will work ok, it will just go to the correct speed assumign your divider is set at 1:1 so if your fsb is 333 than your ram will be at 333

what are your system specs, you might be able to get help form others if oyu post system specs
Click to expand...

I haven't built the system yet.

I'm looking at a DFI Lan Party NF2 Ultra B or a DFI INFINITY, and either the 1700+ or the 2100+.

From looking around at Overclockers.com it seems people are getting MAD speeds out of the 1700+ T-Breds, so I'm going to try that. (unless my offer on the Lan Party with a 2500 Barton is excepted ;) )
 
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Sentential

Senior member
Feb 28, 2005
677
0
0
when you overclock, having a CPU with a lower bus speed becomes a moot point. You would simply run synch and overclock the bus speed while reducing the multiplier factor. Right now I belive your system is running

2:3 which is 133 : 200

What you want is:

1:1 which is 200:200

The stock multiplier for the 1700+ is 11X. What you should do first is reduce the multiplier from 11 to 10. Then increase the bus speed to 200. That will give you 2.2ghz which the 1700+ should do with 1.7v (give or take).

If you desire you can use an even lower multiplier to overclock the bus speed past DDR400 (which is a common practice)

I had my 2600+ Mobile to 261 x 10 (DDR520) on my NF7-S
 
B

Brutuskend

Lifer
Apr 2, 2001
26,558
4
0
Originally posted by: Sentential
when you overclock, having a CPU with a lower bus speed becomes a moot point. You would simply run synch and overclock the bus speed while reducing the multiplier factor. Right now I belive your system is running

2:3 which is 133 : 200

What you want is:

1:1 which is 200:200

The stock multiplier for the 1700+ is 11X. What you should do first is reduce the multiplier from 11 to 10. Then increase the bus speed to 200. That will give you 2.2ghz which the 1700+ should do with 1.7v (give or take).

If you desire you can use an even lower multiplier to overclock the bus speed past DDR400 (which is a common practice)

I had my 2600+ Mobile to 261 x 10 (DDR520) on my NF7-S
Click to expand...

Yeah thanks!

I've been overclocking for years using SDRAM, I just wasn't sure about DDR since I have never used it before. I've used PC133 SDRAM in systems with a 100 FSB and never had a problem. I just wasn't sure is DDR would behave the same. ;)
 
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