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Athlon XP-M 2500+ and NF7-S V2

Z

Ze Mad Doktor

Banned
I picked one of these up yesterday.

I previously had my original unlocked XP 2500+ which was running at 10x200 @1.75v I was hoping to be able to get things up to 2.2GHz with the mobile but I can't seem to get it past 9.5x200 even all the way up to 1.8v

The weird thing is though the default voltage assigned by my motherboard (NF7-S V2) is 1.575v I thought the XP-M was supposed to be 1.45v If I set it down to 1.45v it has issues booting at 14x133

Is it possible I just got a bad chip? I mean it runs stable if I set the voltage up to 1.65 @9x200 but if it can't boot to it's default speed at default voltage then that would make it bad right?
 
I believe that Abit hasnt released a BIOS that will officially read a Mobile Barton and set it up correctly (i.e. correct speed/voltages). I think some modded BIOSes will actually name the mobile processor correctly but still do not set the correct speed/voltage.

If I were you, Id stick the info about the fact you are using an NF7-S V2 by using the edit function and hope that Megatomic spots it. He is very useful with that board and has helped me with my 2 in the past.

It isnt a bad chip as it works properly at default speeds (Id guess it can since its been working at above default speeds). With respect to overclocking, it does seem like a bad chip. My Mobile Barton Id consider poor at 2.3ghz at ~1.75v.

Some people are, in my opinion, over-touchy on this fact but some people incorrectly feel that if a chip doesnt overclock to their desired/expected level that they can ask for a refund/exchange. Returning a chip because it doesnt overclock like you want is immoral and probably illegal in some way.

The only thing you are guarunteed is that it works at the default speeds and voltage. Anything else is a bonus.

Since this was your first post, let me welcome you to the forums. I just wanted to point out the above just in case someone opens with a distasteful post towards you. In the video forum, you'd have been hung, drawn and quartered for saying that.
 
Originally posted by: Elcs
Some people are, in my opinion, over-touchy on this fact but some people incorrectly feel that if a chip doesnt overclock to their desired/expected level that they can ask for a refund/exchange. Returning a chip because it doesnt overclock like you want is immoral and probably illegal in some way.
Click to expand...

It really depends on the return policy. It's definitely not a manufacturing error, since it does what it's supposed to. But if you bought it to do one thing, and it doesn't do it, and the store will accept the return (without you lying that it's broken, etc.), then there's no problem with returning it.
 
Well this is only somewhat of my first post. A long time ago I used to post on here all the time but haven't in a couple years.

The thing is though, it does not work at default speed at default voltage. If I set it to 1.45 it will not POST at 14x133 I would never return a CPU simply because it does not overclock to my desired levels but if a CPU does not post at it's default speeds unless you give it more juice I think that would be ok to return since it does not perform to it's basic standard.
 
My memory is Generic 2x 512MB Dual Channel 400 so hitting the 200MHz bus is not the problem. I can hit it fine with my non mobile Barton XP 2500, at 10x200 @ 1.75
 
Originally posted by: Ze Mad Doktor
Well this is only somewhat of my first post. A long time ago I used to post on here all the time but haven't in a couple years.

The thing is though, it does not work at default speed at default voltage. If I set it to 1.45 it will not POST at 14x133 I would never return a CPU simply because it does not overclock to my desired levels but if a CPU does not post at it's default speeds unless you give it more juice I think that would be ok to return since it does not perform to it's basic standard.
Click to expand...

Yeah, default voltage is 1.45v. But you gotta watch the NF7-S's, most undervolt the vcore (voltage to cpu). In otherwords, if you the vcore to 1.45 in BIOS, you may be getting only 1.40 or 1.425.

Put MBM5 on there and double-check the vcore. If it aint stable at default setting RMA it.

Sounds like somethings really wrong here. 9.5 x 200 @ 1.8v? WTF, I'm at 215 x 11 @ 1.55v and I think I could go lower on the vcore and still be stable.

What psu you got in there? and use MBM5 to monitor your psu's rails while you're at it. Also, what are using to check for stability (ex. Prime 95)?


Fern

 
Well I set voltage to 1.475 resulting in 1.456 according to CPU-Z

I am writing this at 14x133 so it seems it will work at default voltage/speed. I'm gonna keep playing with it hopefully I can get something.

The idea was to put my old 2500+ into a new shuttle xpc system I am gonna build with it being the slower of the two. However, at this point it seems like the old 2500+ is gonna go back into this system at 10x200 and the XP-M is gonna go into the shuttle. I guess I got the one in a million bad overclocker hehe
 
I do have to look into a new PSU, Abit EQ is reporting my +3.3 to be fluctuating between 3.04v and 3.54v just while I am sitting here typing this.
 
Originally posted by: Ze Mad Doktor
I do have to look into a new PSU, Abit EQ is reporting my +3.3 to be fluctuating between 3.04v and 3.54v just while I am sitting here typing this.
Click to expand...

3.04v is outta spec and will likely cause crashes.
 
Could it possibly make my video card, which is a GeForce FX 5200 w/ 256 megs of ram, show itself as only having 128 megs on the initial video bios info flash?
 
Perhaps I was too quick to judge the chip... Right now I am at 14x133@1.45v I really think the PSU has something to do with it now, like when I set the voltage on CPU higher it taxes the PSU more. So I know it will do 2GHz now. I need to push it a little more.

I am still trying to figure out the video card thing though.
 
Originally posted by: Ze Mad Doktor
Perhaps I was too quick to judge the chip... Right now I am at 14x133@1.45v I really think the PSU has something to do with it now, like when I set the voltage on CPU higher it taxes the PSU more. So I know it will do 2GHz now. I need to push it a little more.

I am still trying to figure out the video card thing though.
Click to expand...

you were very quick to judge

same mobo same cpu

im at 2.4 on 1.7v (12*200)

 
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