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Mobile XP2500+

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February 20, 2004 9:23:04 PM

Anyone here tried a Mobile XP2500+ on an NF2 mobo? I hear these things are being air-cooled overclocked to 2700MHz and beyond! I knew people were OC'in the mobile chips in their desktops, but never knew these kind of results were possible. Well I just ordered one to see how it will do compared to my regular XP2500+

<A HREF="http://www.theinquirer.net/?article=14245" target="_new">http://www.theinquirer.net/?article=14245&lt;/A>


edit: for those tempted, it's back in stock at newegg, was out earlier today

<A HREF="http://www.newegg.com/app/viewProductDesc.asp?descripti..." target="_new">http://www.newegg.com/app/viewProductDesc.asp?descripti...;/A>


ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt<P ID="edit"><FONT SIZE=-1><EM>Edited by Pauldh on 02/20/04 06:35 PM.</EM></FONT></P>

More about : mobile xp2500

February 20, 2004 10:35:32 PM

Haven't used one but would be interested in your results.
February 20, 2004 10:45:10 PM

I'll let you know by the middle of next week. I'll be trying mine on a Soltek SL-75FRN2-RL. A buddy of mine ordered one also and will be trying it on an Abit AN7.

ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
Related resources
February 20, 2004 11:55:04 PM

Cool! Awaiting the results! :cool:
February 21, 2004 12:26:06 AM

Let us in on mods as well please. Looks like you may have introed me to my next chip.
February 21, 2004 12:36:35 AM

I'm considering ordering one as well just for the hell of it. I've seen people talking about it, and i think i should order now so i can have a chance at an unlocked one.
So far they seem to be out of stock at newegg any better suggestions?

I'll run it till it pops, becuase i have my barton 2500 desktop.

<A HREF="http://arc.aquamark3.com/arc/arc_view.php?run=610166081" target="_new">http://arc.aquamark3.com/arc/arc_view.php?run=610166081...;/A>
Figured i'd do it too..reality my ass.
February 22, 2004 2:26:11 AM

Well you have spiked my interest. Looks like a worthy upgade to my xp2400.

Very cool thanks for the post

If I glanced at a spilt box of tooth picks on the floor, could I tell you how many are in the pile. Not a chance, But then again I don't have to buy my underware at Kmart.
February 22, 2004 2:29:54 AM

Do you know if these chips are totally multiplier unlocked? (The high multipliers in specific). I would imagine they are, since they're mobile chips. If so, I'd be interested in replacing my 1600+ Pally, as I only have PC2100 memory. I was about to get a 2500+ Barton and unlock the higher multipliers about a month ago, until I heard the news of the locking.

<b>Qui habet aures audiendi audiat</b>
February 22, 2004 2:37:12 AM

People are getting these to 200fsb/or higher correct?
I have a 2500+ at 2.2ghz and it wouldn't really be a smart buy for me, but i'm a tinkerer at heart. :) 
Imagine a 2700mhz athlon. I know they are getting higher, but if i could get 2.7ghz running at like 1.675 vcore the temps would be lower than shite. My 2500 right now is at 1.675 but under hardcore load it reaches 46-49c after hours of intense 3d gaming.

<A HREF="http://arc.aquamark3.com/arc/arc_view.php?run=610166081" target="_new">http://arc.aquamark3.com/arc/arc_view.php?run=610166081...;/A>
Figured i'd do it too..reality my ass.
February 22, 2004 7:41:59 AM

@ 1.83GHz with 512 cache and 333 fsb it should = xp2500 when at 266 xp rating should be lower correct. did not the barton gain pr when going fromm 333 to 400 fsb @ same clock?

This cpu is exactly barton 2500 but uses 266 fsb instead of 333. food for thought


If I glanced at a spilt box of tooth picks on the floor, could I tell you how many are in the pile. Not a chance, But then again I don't have to buy my underware at Kmart.
February 22, 2004 7:49:29 AM

Actually, this is an unlocked barton, so 11X 166 is still good. Some seem to think 12.5X 200 is even better. That is all I want.
February 22, 2004 7:54:26 AM

I agree but where do they get the xp rating they sell it @ 133 fsb.....

xp2500 @1.83 needs 166 for the pr rating 2500

If I glanced at a spilt box of tooth picks on the floor, could I tell you how many are in the pile. Not a chance, But then again I don't have to buy my underware at Kmart.
February 22, 2004 11:53:18 AM

Yes they are multiplier unlocked, but many motherboards/bios's don't have multilier settings above 12.5 anyway. My Soltek has Multipliers up to 22X, so I am curious as to what this chip will do. My desktop Barton was unlocked too, but I didn't get great results pushing the muliplier up. FSB increase gave loads more speed.

Anyway, I'd be happy at 12x200 2400mhz and fairly low temps. But would like to push it for all I can. Wish I had some PC4000 instead of PC3200 though.

ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
February 22, 2004 12:49:43 PM

Damn that is cool! Great job. Wish my motherboard would support over 133fsb :|

XP2000, 256ddr 2100ram, GF4 MX440, XP Pro
February 22, 2004 1:00:26 PM

I have a newer motherboard (NF7-S) with multipliers up to 22x, too. I'd be happy with 146x17. It would be nice to be able to use the chip with my current setup, then upgrade to faster memory later and run the Barton at a high FSB. I'm just waiting to see if the price on PC3200/PC3500 memory will ever drop. Keep us posted!

<b>Qui habet aures audiendi audiat</b>
February 26, 2004 2:04:52 AM

Just an update. My tracking number shows Friday as delivery date. I'm a little bummed, but probably wouldn't have had time before the weekend anyway. Hopefully I'll have some clock speeds and benchies to share by Saturday.


ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
February 26, 2004 3:02:09 AM

Appreciate the update! Good luck with it!
February 26, 2004 3:13:29 AM

Cheering section is waiting.
February 27, 2004 5:55:43 AM

Too impatient I guess. Running at 2.3 on 1.7 volts. Guess this will be my "home" speed. Too chicken to push too much till later.
Oh by the way, got mine from ncix for $141.can.

<P ID="edit"><FONT SIZE=-1><EM>Edited by endyen on 02/27/04 02:57 AM.</EM></FONT></P>
February 27, 2004 7:13:20 AM

Guys, will I be able to use smaller fan like the one they use in notebook for this process if I keep it at default setting (1.45v). My goal is to keep the computer as silent as possible.
February 29, 2004 11:46:51 PM

I've been running SiSoft Sandra Burnin at these settings. loop of 5 or 10 runs at 100% CPU utilization. The following speeds have given me no troubles. I have my memory set at very relaxed settings, but will try to tweak things for some benchmarking scores sometime soon.

2.2GHz (11*200) @ 1.625v
2.3GHz (11.5*200) @ 1.7v
2.4GHz (12*200) @ 1.75v
2.33GHZ (14*166) @ 1.65v


Tried 2.5GHz (12.5*200) But I can't get it stable, even after bumping the voltage to 1.8v My mobo maxes out at 1.85v. Haven't tried that yet, but I just might have to try it. It has met my minimum OC'in hopes just fine, although I'd love to see even better. It will run 11*166 1.83GHz at 1.5v with a load temp of 5 degrees over my system temp. So it's a nice chip for a quiet cool running system. I was amazed to see my temps idling in the bios: System temp 24, CPU external temp 24, ABSII 27(core temp read from diod in the cpu itself). That is way lower than my regular Barton XP2500+.

I'll post more results as I get a chance. Hopefully I'll push the fsb beyond 200 and also try it out on a number of different motherboards. First will be a Gigabyte GA-7VAX KT400. I'm just curious how it will run on non-NF2 systems. Until then, here is another nice little article about this chip.

<A HREF="http://techreport.com/reviews/2004q1/athlonxp-m-2500/in..." target="_new">http://techreport.com/reviews/2004q1/athlonxp-m-2500/in...;/A>


ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 1, 2004 2:56:18 AM

Im getting my hands on a week 48 barton 2500 chip and plan on pluggin it in the difficult a7n8x-d mobo. Anyone that is planing on getting the a7n8x mobo better get the mobile bartons for the max voltage this mobo can possibly do is 1.9 which makes this chip VERY desirable to those that own one. Has anyone ran into the Speedstep problem of this chip or does the mobo ignore it?

Barton 2500+ @ 2200mhz (10x220 vcore @ 1.8)
Asus A7N8X Dlx 440 FSB
1gb Geil GD pc3500 Dual Channel (2-3-3-6)
Segata 80gb SATA 8.5ms seek
ATI Radeon 9800 Pro(420/720)
March 1, 2004 2:57:47 AM

Also has anyone else tried pushing the FSB past 200 on this chip yet?

Barton 2500+ @ 2200mhz (10x220 vcore @ 1.8)
Asus A7N8X Dlx 440 FSB
1gb Geil GD pc3500 Dual Channel (2-3-3-6)
Segata 80gb SATA 8.5ms seek
ATI Radeon 9800 Pro(420/720)
March 1, 2004 3:48:34 AM

Great show. What kind of cooling are you using?

By the way, NF-7 series boards have core volts to 2.3. I aint going near it though, to test if it works.

<P ID="edit"><FONT SIZE=-1><EM>Edited by endyen on 03/01/04 02:52 AM.</EM></FONT></P>
March 1, 2004 12:57:31 PM

The HSF Im using is the Thermalright slk-947u with the Enermax 92mm and Tornado 92mm fans in alternations. Ill just be happy if I can at least get 215x11 with a low voltage but Ill kep yall apprised when I get it.

Barton 2500+ @ 2200mhz (10x220 vcore @ 1.8)
Asus A7N8X Dlx 440 FSB
1gb Geil GD pc3500 Dual Channel (2-3-3-6)
Segata 80gb SATA 8.5ms seek
ATI Radeon 9800 Pro(420/720)
March 1, 2004 12:58:58 PM

2.3gig huh. Wat fsb and multiplier do you have that on?

Barton 2500+ @ 2200mhz (10x220 vcore @ 1.8)
Asus A7N8X Dlx 440 FSB
1gb Geil GD pc3500 Dual Channel (2-3-3-6)
Segata 80gb SATA 8.5ms seek
ATI Radeon 9800 Pro(420/720)
March 1, 2004 8:45:18 PM

hey. i saw you on another thread, but, yeah, i had my XP-M booting as high as 219 FSB and thats with PC3200 memory at CL2 3-3-11 timing. not stable though, some benchmarks made it crash. so, i backed it to 216 FSB and its stable now. the 219 ceiling is probably more a function of my mobo and or memory...you have PC3500 memory, and it appears your system is stable at 220 FSB, so i'd be interested to see what you can get one of these chips to do...

AMD XP-M 2600+ @ 2.6Ghz (12x216 @ 1.8v)
Gigabyte GA-7N400 Pro2
Geil 2x256MB PC3200 (2-3-3-11)
Gigabyte Radeon 9200 128MB VIVO
WD 36GB 10,000RPM 8MB SATA
Maxtor 40GB 7,200RPM 8MB ATA133
March 1, 2004 8:57:00 PM

I was tempted to buy a thermalright 939 and tornado, but decided against it for noise and price. Sure would be nice though. Not as good cooling I know, but I am going to buy a Coolermaster Jet7 adjustable speed. I have the aero7 on a desktop XP2500+ that runs 11*200 fine. The Jet 7 is supposed to be a little better.

So far on this mobile chip, I am running a cheap Evercool CUD-725 that i had in stock. Copper and kinda loud. But nothing special at all.



ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 1, 2004 9:24:35 PM

heres an intersting thread with tons of people's results in OCing the mobile XP's, and their stepping codes...

http://www.ocforums.com/showthread.php?s=&threadid=2711...

AMD XP-M 2600+ @ 2.6Ghz (12x216 @ 1.8v)
Gigabyte GA-7N400 Pro2
Geil 2x256MB PC3200 (2-3-3-11)
Gigabyte Radeon 9200 128MB VIVO
WD 36GB 10,000RPM 8MB SATA
Maxtor 40GB 7,200RPM 8MB ATA133
March 2, 2004 12:28:20 AM

I'm currently running my 2500XP-M at 210X11=2310MHz @ 1.6v on my NF7-S v1.0 (so it is actually drawing about 1.575v because the board undervolts badly!).Nice and cool and stable enough for benchmarking and gaming but prime95 doesn't like it.I'm not increasing the voltage for prime95's sake though!
I had it running at 210X12=2520MHz @1.85v for a while but I decided that the increase in voltage and, of course, temperature, wasn't worth it.
The reason I stick with a 210MHz fsb is because that is the best i can get out of my Twinmos PC2700 at 7-3-3-2 (thankyou winbond! :smile: ).I'm sure the cpu could do better.

no matter how hard you try, you can't polish a turd. :]
March 2, 2004 6:46:03 PM

some of the results are impressive others not. On my T-bred 2700+

2.3ghz at 1.675 Voltage is no problem prime time tested!
And will have to test 2.4ghz next. I should be able to do 2.4 at 1.7-1.75!

I don't really see the need to buy one of these over priced chips these days the Athlon XP it at the end of its life line.

Unless of course your building a Media PC and gonna keep the chip at default voltage with a really quiet HSF setup.
March 2, 2004 11:39:31 PM

Overpriced? 2.4+ GHz AMD for under $100. 2700MHz air cooled in some cases! Sure maybe a $80 XP2500+ retail is a better value IF it will still do 11+200 or higher nowadays, but overpriced is hardly a reasonable statement.

So it's $20 more for getting an unlocked chip that can run at lower voltage or be overclocked extremely high. Not too shabby I'd say.

I bet your XP2700+ cost more and unless you just bought it, it definately would have qualified moreso as being overpriced.


ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 3, 2004 12:52:39 AM

You got that right. Mine cost $141can, or about $105us. Thats 8 bucks cheeper than an xp2800+, and a better entertainment value with the multiplier unlocked.
March 3, 2004 4:24:32 PM

The cheapest I've seen those mobile chips in canada is for $160.
My XP2700+ is also unlocked, and yes I paid more for it since I've had it for over a year now, but that is a given if you compare it to prices now, and not the prices a year ago.

if your really into overclocking then its a good buy. But for the most part I don't really see it as being that exciting. Most of them only do 2.4-2.5Ghz
with the odd chip hitting 2.6-2.7.

If you already own an unlocked t-Bred or barton chip. There isn't much point into buying these.

I think you'll get better performance out of a Athlon 64 then an extemely overclocked athlon XP.
March 3, 2004 4:30:30 PM

Wait a minute, it's me or nobody realize that is it posible to buy a Barton 2400+ <b>266FSB</b>? That CPU would be also multiplier unlocked and the FSB is just to make it compatible with older chipsets. And it only costs <b>$77</b> at Newegg!!!

I have ordered a couple of these and I will try in my old good Epox 8KHA+ (KT266A). If I can make it run, that would be a <b>GREAT</b> upgrade CPU for anybody running a Palomino (like me :smile: )


Still looking for a <b>good online retailer</b> in Spain :frown:
March 3, 2004 10:10:47 PM

Sure, the mobile XP2400+ is also unlocked and overclocks pretty good too. A buddy of mine has his running near 2300MHz. The Mobile XP2500+ seems to be the new improved overclocking chip getting more hype right now and reaching speeds the 2400's can seem to do. But the 2400+ isn't shabby at all and it's possible some are getting higher overclcoks on them even. If you want a new an unlocked XP now, you need to pick a mobile. And for the most part, if you have proper ram and a decent OC'in mobo, the mobile 2500+ is almost guaranteed to OC well.

They are both 266 bus chips.

ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 4, 2004 1:07:59 PM

Im getting My mobile 2500 chip today and its the week 48. Will post my results here..

Barton 2500+ @ 2200mhz (10x220 vcore @ 1.8)
Asus A7N8X Dlx 440 FSB
1gb Geil GD pc3500 Dual Channel (2-3-3-6)
Segata 80gb SATA 8.5ms seek
ATI Radeon 9800 Pro(420/720)
March 4, 2004 1:18:01 PM

Quick question: can you change ALL the multipliers? Above 12.5 in particular. It seems like you'd be able to, since the default would be higher than 12.5.

<b>Qui habet aures audiendi audiat</b>
March 4, 2004 2:26:09 PM

By all the multipliers, do you mean change the muliplier to almost any setting? It really depends on your motherboard and what multipliers are available in your bios. You can check that first and see what ones are available. And there may be a newer bios that makes more available for you. many people have boards that only go up to 12.5. But even so with an unlocked chip you still have room in the 10-12.5 range to see what works best.

My Soltek SL75FRN2-RL has multiplier setting up to 22. I haven't tried that high but it ran 133*17 at very low voltage. How high you go depends on fsb settings and the chip's potential. But fsb overclocking gains more performance than muliplier overclocking. So the beauty of unlocked chips is the ability to set the muliplier to whatever you want experimenting with results. You may run 10x230, 12*200, 14*166, etc. but if clock frequentcy are about equal, it's the higher fsb that will perform better.

But the newly locked desktop bartons lose this advantage. If you XP2500+ isn't able to be stable at 11*200, you can't try 10.5*200, etc. You have to stick with 11 and lower the fsb.


ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 4, 2004 3:39:30 PM

I have up to 22x. I plan on getting one and running it at a high multiplier, then running it at a low multiplier with a 200+ FSB when I get faster memory.

<b>Qui habet aures audiendi audiat</b>
March 4, 2004 6:35:57 PM

For fun I'll test mine and see how high I can get the multiplier at 133 bus tonight. I'm guessing 18 or 18.5 tops with mine. Yeah, that would be good speeds for a PC2100 memory system and a $100 chip

ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 4, 2004 9:53:14 PM

Hang on, these 2500 BARTON Mobile xps have 266fsb? As in like the palomino? So I could upgrade my xp2000 to the 2500 M and overclock like a mad man? I've been searching for the 2600 with 266fsb, I know they exist, just cant find em in the uk. Is the 2400 / 2500 M a better option?

ps how is the ECS K7S5A for OCing? I know its a cheap board, but any hope?

XP2000, 256ddr 2100ram, GF4 MX440, XP Pro
March 4, 2004 10:23:32 PM

I am fully stable at 18*133 for 2400MHz. I don't have a muliplier setting of 18.5 as 16.5 is the highest half multiplier I have available. It is not stable at 19*133.


ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt
March 4, 2004 10:36:05 PM

Yeah, 266bus XP2600's were always hard to find and just way too costly when you did find one.

I never thought the K7S5A had any potential of overclocking, but I was wrong. Do a seach through the last months posts, and I know someone mentioned how to accomplish it. I may try it someday with mine just for fun. As far as this chip goes, it definately is a 266 bus and I've read it works on all boards that support the desktop barton. But a K7S5A doesn't support bartons, but does 266 bus chips. Maybe somebody can shed some light on this as I'm not sure if it will work or not. Can you adjust the multiplier on that board? Voltage?

If I ever find the time I may test this chip on many boards and I would ad the K7S5A to my list. But I doubt I'll have the time for a while. I first want to try the NF7, and then the GA-7VAX KT400.

EDIT:
I think it was using cheepomans bios that you get the fsb and muliplier settings. Not sure on voltage. Too much hastle for me to try at this time.

<A HREF="http://www.ocworkbench.com/2002/ecs/k7s5abios/cheepobio..." target="_new">http://www.ocworkbench.com/2002/ecs/k7s5abios/cheepobio...;/A>

ABIT IS7, P4 2.6C, 512MB Corsair TwinX PC3200LL, Radeon 9800 Pro, Santa Cruz, TruePower 430watt<P ID="edit"><FONT SIZE=-1><EM>Edited by Pauldh on 03/04/04 08:01 PM.</EM></FONT></P>
March 4, 2004 10:58:06 PM

if you can boot at 12*200 FSB, why would you ever want to run at 18*133 FSB? wouldnt you rather have the higher memory bandwidth at the same clock speed?

AMD XP-M 2600+ @ 2.6Ghz (12x216 @ 1.8v)
Gigabyte GA-7N400 Pro2
Geil 2x256MB PC3200 (2-3-3-11)
Gigabyte Radeon 9200 128MB VIVO
WD 36GB 10,000RPM 8MB SATA
Maxtor 40GB 7,200RPM 8MB ATA133
March 4, 2004 11:04:29 PM

just to post my XP-M 2600+ results...on air cooling (thermalright SLK-947 and 92mm fan) my system is stable as high as 2.4 Ghz on stock voltage (1.65v), and up to 2.6 Ghz at 1.8v (highest i'm comfortable at). no matter what the combination of FSB and multi, the limit of my chip seems to be about 2.65Ghz at 1.8v.

AMD XP-M 2600+ @ 2.6Ghz (12x216 @ 1.8v)
Gigabyte GA-7N400 Pro2
Geil 2x256MB PC3200 (2-3-3-11)
Gigabyte Radeon 9200 128MB VIVO
WD 36GB 10,000RPM 8MB SATA
Maxtor 40GB 7,200RPM 8MB ATA133
!