Question about XP-M's

[Pariah]

On AMD's price guide they have XP-M (DTR), XP-M mainstream, and XP-M low voltage. I can guess what the low voltage ones are, and I assume the mainstream one is the one found in laptops, so what are the DTR's and how do they differ from mainstream? Are they for sale anywhere? I'm guessing Newegg is selling the mainstream XP-M's.

 

[dnuggett]

The DTR signifies Desktop Replacement. The are basically designed for lower power cooling systems.

 

[Pariah]

Yes, I know what it stands for, but if you run a search on AMD's website, the only place the Desktop Replacement shows up is on their price list. Are these processors available to the public anywhere? And how do they differ from the mainstream XP-M? Which basically is a low power Barton.

 

[InlineFive]

Originally posted by: Pariah
Yes, I know what it stands for, but if you run a search on AMD's website, the only place the Desktop Replacement shows up is on their price list. Are these processors available to the public anywhere? And how do they differ from the mainstream XP-M? Which basically is a low power Barton.

Here are lots of AthlonXP Mobile processors at NewEgg.

And how much cooler does a Mobile processor run?

-Por

 

[Pariah]

I believe those are the mainstream XP-M's because they stop at 2600+. DTR's go all the way up to 3000+. I'm also interested to know if the DTR's run on a 133 bus at the topend instead of 166 or 200.

XP-M mainstream run at 1.45V while Athlon XP is at 1.65V.

 

[JBT]

I have heard the 2500XP-M at Newegg of clocking up to 2.8Ghz @ like 2.0vore it is 1.25 vcore default.

 

[InlineFive]

Originally posted by: Pariah
I believe those are the mainstream XP-M's because they stop at 2600+. DTR's go all the way up to 3000+. I'm also interested to know if the DTR's run on a 133 bus at the topend instead of 166 or 200.

XP-M mainstream run at 1.45V while Athlon XP is at 1.65V.

Arn't those the same cores? Couldn't I just set my processor to 1.45v in the BIOS and be done with it?

-Por

EDIT: Well they are different (but you knew that). I tried 1.45v with my 3200+ and it froze during POST. I should get one of those DTR's for a SFF PC.

 

[Pariah]

Originally posted by: JBT
I have heard the 2500XP-M at Newegg of clocking up to 2.8Ghz @ like 2.0vore it is 1.25 vcore default.

Is it multiplier unlocked? I'm not interested in overclocking the bus.

 

[pillage2001]

Originally posted by: Pariah

Originally posted by: JBT
I have heard the 2500XP-M at Newegg of clocking up to 2.8Ghz @ like 2.0vore it is 1.25 vcore default.

Is it multiplier unlocked? I'm not interested in overclocking the bus.

This should be interesting if the CPU is unlocked.

 

[Tiorapatea]

Originally posted by: Pariah

Originally posted by: JBT
I have heard the 2500XP-M at Newegg of clocking up to 2.8Ghz @ like 2.0vore it is 1.25 vcore default.

Is it multiplier unlocked? I'm not interested in overclocking the bus.

Apparently so.

I just ordered one. It's my first build so you will know for sure long before I manage to get my system up and running, especially as I'm hoping to run Debian GNU/Linux as my only OS and I've never used Linux .

Check out this thread at amdmb.com.

XP-M frenzy

I like the theory and just hope it pans out for me. The theory is the XP-Ms are hand-picked by AMD so they can sell chips that run at a low stock voltage to the desktop replacement market where heat is obviously an issue. What's more, these chips are apparently unlocked - who would overclock a chip in a laptop, right? Apparently 2.7 GHz is attainable with 2.03V and water-cooling! (Okay, you say 2.8 @ 2.0V, even better)

I won't be going that far but I hope to have a nice overclock and then retire the chip to an HTPC and undervolt it.

Good point, Pariah, about the DTR versus mainstream thing. I'm hoping the difference is just the headline stock speed.

Does it matter what the stock bus speed is, anyway? Surely one can just use anything from 100-250 FSB (mobo and memory permitting).

There's very little info at AMD, needless to say.

 

[Mingon]

I have just ordered 2 to put into my dual AMD machine. My current 2500+ are OK at 2.266 but require 1.775v to run stable. If I can reduce this to 1.65v then thats a massive difference in terms of heat produced. They might even hit 2.5ghz - now that would be very handy