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Thread: is my new xp2500 ready for o/c ing????

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    True Blue! silent's Avatar
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    is my new xp2500 ready for o/c ing????

    hi

    recently instaled my new mobo, nf7-s and xp2500 and 2 x twinmos 256 pc3200 dimms, and when entering the bios, the part under the first o/c bit says my cpu is 2500, but when i press enter, i can select a 3200 cpu speed.

    does this mean that my chip will run at 3200 without me doing ouwt to it???

    i can't touch the multiplyer though (as far as i know!)

    can i o/c this beauty and what's the best way forward?

    hope you all had great crimbo's by the way and wish you all a happy new year!!!!

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    u can overclock that beauty if its got the right stepping code, the rest of the hardware isnt holding it back.

    U definitly can touch the multi if u disable a setting in that bios screen.
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    HE cant if he bought one of the recent modle's, like all after week 43 the multi is locked and there is no know way to unlock it wiht a mod.

    UPDATE: jsut read that by doing somethign to the L6 Bridges you can make your mainboard think it is a mobile athalon XP, and it will let you change the multiplyer.
    Last edited by payniel; 31-12-2003 at 04:05 AM.

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    2500 = 11x 166

    3200 = 11x 200

    Show me a Barton that doesn't do those speeds and I will be shocked. My current Barton won't do 200x11 at stock volts.

    Will do 11x233 @ under 1.9 tho

    Moral of the story don't be scared to give it a little

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    it is one of the recent one's, purchased just before crissy

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    well, ur multiplyewr is locked but that really shouldnt matter.

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    Ahem, I tried this on a week 46 barton today and it seems to work a treat on a KT400A mobo. (only tested briefly though)

    It requires some bridge work. I used the pointy end of my multimeter probe to scratch ACROSS the bridge (like painting them) and exposed the metal then used conductive paint on the 2nd to last L5 bridge to force Mobile XP abilities.

    I then Scratched the L6 bridges ACROSS them as above and then blew the 1st 2nd 3rd 5th (FID 4,3,2,0) bridges to unlock up to 18x multis (selectable multis for Mobile XPs)

    It now boots as locked 1833Mhz and then it's just a case of run the program in windows and you can change the multiplier (to 18x) and volts instantly.

    Full article and downloads here:

    http://www.cpuheat.wz.cz/html/AXP_mu...Multiplier.htm

    http://fab51.fc2web.com/pc/barton/athlon-e23.html

    Cheers,

    MM

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    YOu can unlock them the multi that way, but if he jsut bought it and is asking weather or not its ready to overclck, i'm guessing he prolly wouldnt want to risk damaging something when he's scratching or connecting the cache's.

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    Re: is my new xp2500 ready for o/c ing????

    Originally posted by silent
    hi

    recently instaled my new mobo, nf7-s and xp2500 and 2 x twinmos 256 pc3200 dimms, and when entering the bios, the part under the first o/c bit says my cpu is 2500, but when i press enter, i can select a 3200 cpu speed.

    does this mean that my chip will run at 3200 without me doing ouwt to it???

    i can't touch the multiplyer though (as far as i know!)

    can i o/c this beauty and what's the best way forward?

    hope you all had great crimbo's by the way and wish you all a happy new year!!!!
    Basically get off the standard settings (2500+ and 3200+) and use the 3rd (user defined)
    Then start at 11*200 which is 3200+ speed and start upping the 200 by a couple of points a time.
    You'll know if its unlocked if it lets you change the value 11 to anything else(try changing it to 10.5 as a test)

    Keep an eye on the temperature (in the PC health section of the bios) and make sure it stays below 60 degrees

    Also, the 3200+ speed may require a bit more voltage than 2500+ speed so up it a bit if it doesn't work 1st time. Remember that extra voltage=heat
    Last edited by andybasford; 02-01-2004 at 02:15 PM.

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    Senior Member SilentDeath's Avatar
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    if you inc fsb more than 215 i expect other parts of your pc may not like it...

    run memtest86 before going to windows - if your mem cant handle the speed your windows install will get corrupted!
    if you get errors it could be cpu - raise vcore, or it could be ram - raise vdimm (2.7/2.8 is good), if thatdoesnt help raise the chipset vdd to 1.7. that should get you to 230fsb. assuming the multi is 11, that will give you 2.5GHZ!!

    if you go over 1.85vcore, 2.8vdimm or 1.7 vdd you will probly need better cooling so check your temps dont go above 50 - cos its a nice number. higher wont kill your chip in the short term but in long term your cpu might only last a month or two

    also make sure the fsb/ram ratio is 6:6. thats suppst to help overclocking a tiny bit, though any other eqaul ratio should be as good.. non equal ratios is confusing, annoying, and most of all, pointless...
    Last edited by SilentDeath; 02-01-2004 at 03:15 PM.

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    Prime 95 is a good program to check for your CPU's stability as well.

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    cheers guys, am now going to try and change it all.

    i won;t try the straching method as don't want to damage ouwt, and i would probably damage it!!

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    Good luck
    Remember, we're not responsible for any damage that we told you to do to your CPU

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    True Blue! silent's Avatar
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    Originally posted by andybasford
    Good luck
    Remember, we're not responsible for any damage that we told you to do to your CPU


    i just went into bios, and when i selected user defined, it enables me to change the multiplyer. does this mean i have a good barton.

    i set it at 11.5 x 200 and it seems stable. am off to download prime95 and the other gizmo;s.

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    Congrats, you got an uberclocker.
    Best thing to do in that case is to drop the multiplier to about ten and up the FSB as far as you can. That'll tell you what your RAM can handle. Once you hit your maximum FSB(stable) then start upping the multiplier back up.
    Once it starts failing prime 95, knock it back a couple of multiplier notches and that should be a good stock setting.
    And remember - CHECK TEMPERATURES

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    yer, it's running at 2204.70 mhz at moment at 41.50 0C - under system doctor.

    will put the fsb at 220 and down the multi to 10 and see.

    what will happen if i leave the fsb at 200 and say select 12 or 13 in the multiplyer? will it just get hot?

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