Mobile 2500+ came from NewEgg last night...

[Fallen]

I'll post the stepping when I get back home, but for now suffice it to say that this thing rocks my face! I upgraded from a XP1700+ DLT3C, which was an overclocking gem (200 * 12 = 2400 mhz) to the new mobile chip. I'm running 1.775 vcore, 2.7 vdimm, and 2625 mhz (210 * 12.5) Prime/3dMark stable. I got it to boot at 2700 mhz, but it was wildly unstable, but I had to push it to 1.9 vcore to get it to even go. On air cooling, that makes me afraid. Anyway, I encourage anyone who is looking for a quick and easy upgrade to give this thing a shot!

My System:

NF7-S 2.0
XP2500M+ @ 2625 mhz
2 x 256 PC3200 Mushkin Lvl II
Powercolor ATI 9700 Pro @ 412/344
WD Raptor 36Gb
Raidmax 500 watt PSU

 

[phsstpok]

Nice overclock!

Will you be trying a wire mod to get the higher multipliers?

What is the default voltage on the mobile XP2500+ ? I've heard 1.25 volt and 1.45.

<b>56K, slow and steady does not win the race on internet!</b>

 

[Fallen]

My BIOS goes to higher multis, but I don't wanna push the voltage any more without liquid cooling. As far as default voltage, mine was detected at 1.55, but I had head that it was supposed to be 1.45 also. I don't really care as it seems to work great.

 

[potsy]

i thought it was 1.45 too...maybe your mobo doesn't go that low.

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

 

[Fallen]

Nah, it is an NF7-S. It has LOTS of voltage options. I actually was running my 1700 at 1.45 for a while before I overclocked it.

 

[phsstpok]

OK, thanks.

I was just wondering if one could make a cooler, quieter system with a mobile processor.

<b>56K, slow and steady does not win the race on internet!</b>

 

[lhgpoobaa]

yes phss.
i got one too.
special delivery from the us.

xp-m 2500+

aint done much overclocking yet,
but 2000Mhz @ 1.4v is not to be sniffed at.

<b>My Computer is so powerful Sauron Desires
it and mortal men covet it, My Precioussssssss!

Regards,
Mr no integrity coward.</b>

 

[phsstpok]

LHGPooBaa, I should have known you would have one!

OK, now we are getting somewhere. I just saw <A HREF="http://www.sudhian.com/showdocs.cfm?aid=504" target="_new">this review</A> at <A HREF="http://www.sudhian.com" target="_new">www.sudhian.com</A> where an XP-M was tested with passive cooling.

The best the reviewer could do was to run the XP-M at 600 Mhz and 1.125 volt. Temps held to 54 degrees at load for 55 minutes.

I think he had an arbitrary objective of 1 Ghz with no more than 65 degrees which they could not obtain. However, a 600 mhz system might be good enough for a hometheater PC with just video and audio playback in mind, no gaming obviously. The system should be nearly silent.

<b>To the forum</b>
Has anyone been able to change multipliers on-the-fly with their mobile XP and their desktop system? How about P-states? If so, with which motherboard/chipset? What software did you use to make the changes?

I have heard that on-the-fly multiplier changes are possible with VIA and SIS chipsets but not nForce(2) chipsets.

Here's a good article on the subject.

<A HREF="http://www.cpuheat.wz.cz/html/AXP_multiplier/AXP_Multiplier.htm" target="_new">http://www.cpuheat.wz.cz/html/AXP_multiplier/AXP_Multiplier.htm</A>


<b>56K, slow and steady does not win the race on internet!</b>

 

[lhgpoobaa]

yes and yes.
had good results summarised below:
all speeds are prime95 & gaming stable.


167x11.0 = 1833Mhz @ 1.400v
167x11.5 = 1920Mhz @ 1.400v
167x12.0 = 2000Mhz @ 1.400v
167x12.5 = 2083Mhz @ 1.450v

From here on my mulities wernt working properly in the bios so i used the CPU multiplier changin program. and yes it worked. full access to all multipliers up to 14x, and voltages from 0.9v to 1.45v. for above 1.45v i have to go into the bios and manually set them.
I used the same program as u supplied in your link.
Im using a Via KT333 chipset (thus the 167fsb)

so using the proggie ive got more overclocks

167x13.0 = 2166Mhz @ 1.500v
167x13.5 = 2250Mhz @ 1.575v

note: at 2250Mhz @ 1.575v im finally seeing temps closer to what my old cpu was producing at 1833Mhz @ 1.7v.
this is one cool puppy.


<b>My Computer is so powerful Sauron Desires
it and mortal men covet it, My Precioussssssss!

Regards,
Mr no integrity coward.</b>

 

[phsstpok]

It's all good!

Funny thing is I get find those utilities. The download link don't work for me.

I ended up with a utility called CrystalCPUID.

I tried modding (yet again) my Tbred. This time to make it a mobile processor. Unfortunately, the pencil trick didn't work and I don't have any conductive paint right now.




<b>56K, slow and steady does not win the race on internet!</b>

 

[lhgpoobaa]

well ive run out of multipliers.
gonna have to do some L5 bridge mods sooner or later.

So im up to:
167x14.0 = 2333Mhz @ 1.65v and stable as a rock.

big improvment in gaming, specially when things get complex!

<b>My Computer is so powerful Sauron Desires
it and mortal men covet it, My Precioussssssss!

Regards,
Mr no integrity coward.</b>

 

[phsstpok]

I wish I had a working mobile proc or a proc mod'd to be a mobile.

I'm still hearing/seeing conflicting information regarding soft multipliers. You are limited to 14x. The article to which I linked mentioned several limits. Depending on FSB speed, at 100 Mhz, 133 Mhz, 166 Mhz, and 200 MHz the limits were 24x, 17x, 14x, and 11.5x, respectively.

You also mentioned you were BIOS limited to 12.5x.

Could you do me a favor?

I want to test the multiplier remap function. If it's working and your processor is fully unlocked and you select 9X and FSB at 133 Mhz in your BIOS then your system should POST at 17 x 133.33 = 2263 Mhz. You'll probably need whatever Vcore you are presently using for your max overclock to get it to POST.

Thanks.

Phsstpok

<b>56K, slow and steady does not win the race on internet!</b>

 

[lhgpoobaa]

Yeah i read that, im using 166fsb so 14x is my max multiplier.
Alllready done it dood.
i get the following.

Multipliers available in the bios:
(i only tried the full ratios not the halves till 12.5)
6x = 6x
7x = 7x
8x = 8x
9x = 9x
10x = 10x
11x = 11x
12x = 12x
no 12.5x available in bios but:
13x = 12.5x
14x = 5x
15x = 5.5x

Using the program CPU MSR it gives me access to 3x to 14x

All of them work properly, except 3x which just hangs regardless of the voltage i apply.

poohey

<b>My Computer is so powerful Sauron Desires
it and mortal men covet it, My Precioussssssss!

Regards,
Mr no integrity coward.</b>

 

[phsstpok]

Thanks, LHGPooBaa.

Your results have me puzzled. I thought the multiplier remaps would kick in.

What is the default multiplier on your mobile XP2500+? I assumed the default is 14 x 133, therefor the 8x multiplier bit enabled, therefor the remaps should kick in.


<b>56K, slow and steady does not win the race on internet!</b>

 

[lhgpoobaa]

thats what i assumes also!
When i first booted it though it defaulted back to 6x not 14x (note 6x is also the lowest bios selectable multiplier)

so i dunno whats going on.
tomorrow i gotta get around to flashing the latest bios... not that its very recent.
late 2003

<b>My Computer is so powerful Sauron Desires
it and mortal men covet it, My Precioussssssss!

Regards,
Mr no integrity coward.</b>

 

[baldurga]

Here is my grain of sand:

I have a mobile 2400+ running Epox 8KHA+ with W98SE. I can confirm CPU MSR does not work but CrystalCPUID it does. Maximum multiplier in BIOS is x12.5 while Crystal allow me up to x13.5

Curios you can go one step further (to x14), but could be due to CPU, due to mobo or due to diferent utility to change multi.

Maybe if we compare my 2400+ with your 2500+ can solve the puzzle, don't know if it can be usefull. I can send you a photo if you want or look to specific gates you suspect.



Still looking for a <b>good online retailer</b> in Spain :frown:

 

[lhgpoobaa]

I havnt had much time to mess recently. Just been running at 14x167=2333 and enjoying it.

Sometime soon though i have to crack open my case though, as my mofsetts need extra cooling.

Plus i allso gotta try your crystalCPUID program, see if that gives me anything different

<b>My Computer is so powerful Sauron Desires
it and mortal men covet it, My Precioussssssss!

Regards,
Mr no integrity coward.</b>

 

[addiarmadar]

Good pull there!!!

To get 2.6 with vcore under 1.8 let alone 1.9 is great and LUCKY!!

Mobile Barton 2500+ @ 2420mhz 11x220 1.7v
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)

 

[addiarmadar]

I got my mobiles to do the stock speeds with about 1.25 volts STABLE!!

Mobile Barton 2500+ @ 2420mhz 11x220 1.7v
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)

 

[phsstpok]

1.25 volt? That's got my attention. I'm imagining cool quiet PC once again.

<b>56K, slow and steady does not win the race on internet!</b>

 

[addiarmadar]

The only trick about that is to get a mobo that supports a low voltage. The A7N8X deluxe is not one of them, DAMN YOU ASUS!!!

Mobile Barton 2500+ @ 2420mhz 11x220 1.7v
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)

 

[baldurga]

I have seen some at least at Newegg, currently they don't have any. Curious thing they get 2500+ with same Mhz, I have never heard that having lower voltage has a direct impact on performance!


Still looking for a <b>good online retailer</b> in Spain :frown:

 

[phsstpok]

AFAIK, soft multipliers are not yet supported by any nForce2 boards either.

<b>56K, slow and steady does not win the race on internet!</b>

 

[baldurga]

Hi again,

I think I came up with something that can solve the limitation of the multipliers ... something as simple as read carefully the article pointed out before (I feel myself dumb ...)

You own a 2500+ and your max multiplier is 14. Mine is 2400+ and max multiplier is 13.5. Simply, because these CPUs are meant to work at 133FSB, that translates to (my guess):

2500+ => 1866Mhz = 14*133
2400+ => 1800Mhz = 13.5*133

What is limiting us is the MAXIMUM multiplier allowed when dealing with PowerNow! feature. And that is on L6 bridges. If my theory is right, your L6 bridge looks like:

OCOOC (O equals open, C equals closed)

And mine will be (I have to check tonight, now I am at work):

OCOCO

Changing this multiplier will afect how far we can go. Right now I think that if I close the third bridge, ending with OCCCO I will be allowed up to x19. This <A HREF="http://fab51.fc2web.com/pc/barton/athlon-e23.html#L6" target="_new">website</A> has all the information about multipliers.

Could you confirm your L6 bridges? That would be great!


Still looking for a <b>good online retailer</b> in Spain :frown:

 

[baldurga]

Wait! No one has to check their CPUs!

GREAT! If you look at newegg, the pictures of the CPUs are clear enough for clarifying L6 bridges. Now I can confirm:

- 2400+ = 1800Mhz have L6 equals to 13.5
- 2500+ = 1866Mhz have L6 equals to 14 (curiosly, that leads to 1866 instead of the advertised 1833)
- 2600+ = 2000Mhz have L6 equals to 15

So everything matches. It would be perfect if anybody can reconfirm limitations when changing multipliers in Windows based on this data.

Also if I am right, 2400+ can be easily upgraded to x19 (closing third bridge). But 2500+ would requiere open a bridge, and that is something more scary, at least for me ...


Still looking for a <b>good online retailer</b> in Spain :frown: