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Thread: Overclocking Athlon XP




  1. #1
    Join Date
    Jul 2002
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    13

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    I'm new to overclocking. I have a few questions regarding overclocking.

    1) I saw many people unlocked their Athlon XP CPU, and then set the cpu with a lower multiplier and increased the FSB. Is it true that increasing the multiplier will result an extremely hot and unstable system? But if I set the cpu multiplier higher and increase the FSB a little bit, wouldn't it perform better and more stable since I will not overclock the AGP and PCI buses too much?

    2) I saw some articles say that AMD Athlon XP 1600-1900 share the same core. They should be identical to each other except their locked multipliers. If a person can overclocked a unlocked Athlon XP 1600 to Athlon XP 1900, then why would that person buy a AMD Athlon XP 1900 for overclocking? I'm curious.

    3) If I want to overclock an unlocked Athlon XP 1900(1.6 GHz) to 2000MHz. What motherboard, cpu heatsink, and RAM should I use? I am thinking of getting a ABIT KX7-333R motherboard, Thermaltake Volcano 7+, and 512 MB Xtreme DDR PC2700. And what VCore and VMem should I use for this setup?

    4) What is the Athlon XP stepping(AGOIA)? Where can I buy a AGOIA cpu?

    Please give me any comments/suggestions. Thanks! :hammer:

  2. #2
    Join Date
    Nov 2001
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    1/ Athlons don't really have the headroom that they use to to bother raisin' the multiplier but with the better KT333 based motherboards there's another divider at 166MHz (eg: Epox 8K3A/+) which is a good reason to lower it plus putting the strain of overclocking over the whole system is better than just on the CPU. ;)

    2/ AMD tests the cores after they're built and determines which speed the core is stable which is where they lock it at for warranty and stability reasons. My 1800+ is running at 2100+ very easily though. :D

    3/ That should be easy enough to do without unlockin' the CPU with what you have listed there though what voltage increases, if any, are something that goes on an individual basis as no two setups will act the same. Also using the FSB to overclock gives you greater bandwidth than just raising the multiplier, my 1800+ is runnin' a 150MHz FSB (PC No.2 in sig). :devil:

    4/ Yes that is one stepping but finding one of that will probably be difficult though the reliability of going by the steppings with Palamino cores is not as reliable as with the T'bird cores, my stepping is AGNGA and I didn't pick it out and I havn't tried to push it to it's limits yet either. As yet I have to find a bad one but some people have good steppings but they don't perform as well as others, its really more luck. Do be sure to use the best quality components you can get will usually always give the best results too. :smokin:
    <center>:cheers:</center>

  3. #3
    Join Date
    May 2002
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    852

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    yea different steppings don;t guarantee overclocking but some greatly improve the chances of getting a good o/c...
    for e.g any AGOIA cpu has a very high chance of hitting 1.9ghz or more with the right setup...whereas one of the first stepping...AGKGA i tihnk is one...typically don;t o/c very much:cheers:
    Epox 8RDA+
    xp2100@ 2.46ghz (214x11.5)
    Radeon 9700 pro
    512mb corsair xms3200 5-3-2-2@214
    512k ADSL
    SLK-800 HSF
    SB Audigy + Ultrasone HFI650DVD
    modded case: 2x120mm,4x80mm
    40GB Seagate Barracuda 4
    Sony trinitron 17"
    Antec Trupower 380W
    3D mark2003 : 5050

  4. #4
    Join Date
    May 2002
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    First of all, you wont get that XP 1900 to 2GHZ off air cooling, trust me, if you have REALLY good air cooling you will be very lucky to get it up to 1.9ghz and stable at that. Second of all, your preferences of stepping would be as follows

    ARIOA Y
    AGIOA
    AGOGA

  5. #5
    Join Date
    Dec 2001
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    494

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    why not try a throughbred...its .13, should get a better o/c but not guarentee though, although, they are more expensive

  6. #6
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    AMD has still got to refine the 0.13 micron process yet for that as to many ppl are gettin' wildly varying results so far. :smokin:
    <center>:cheers:</center>

  7. #7
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    May 2002
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    Yeh T-Breds are not selling very well at the moment, anyway, you would want to wait for better steppings on them as well, the first steppings for chips generally suk

  8. #8
    Join Date
    Nov 2001
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    For the best possible overclock, if you could get a super specific core, get one that says AGOIA 0204 9 (for 1600+) or AGOIA 0216 Y (i think its Y).... They will most likely give the best overclocks of all Athlons, although all AGOIA 1600/1700+ get giant overclocks (usually!!) so it might vary..
    Remeber that overclocking is luck of the draw!
    And for a giant overclock with one of them, you will need a handy VCore boost, and a DECENT air cooler like a MCX462 or a Alpha PAL8045 or a AX7/SLK 800 etc

  9. #9
    Join Date
    May 2002
    Posts
    852

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    yep well sed:D
    Epox 8RDA+
    xp2100@ 2.46ghz (214x11.5)
    Radeon 9700 pro
    512mb corsair xms3200 5-3-2-2@214
    512k ADSL
    SLK-800 HSF
    SB Audigy + Ultrasone HFI650DVD
    modded case: 2x120mm,4x80mm
    40GB Seagate Barracuda 4
    Sony trinitron 17"
    Antec Trupower 380W
    3D mark2003 : 5050

  10. #10
    Join Date
    Jul 2002
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    299

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    I heard that AMD is working on a 2nd revision of the .13 micron process and some of the early tests are promising, showing better results than the 1st T-breds. Anyone else hear anything about that?

    :cheers:
    Specs:

    AMD Athlon XP 2000+
    EPoX 8K3A+
    Corsair XMS2700 512MB DDR333
    Leadtek Winfast A250 Ultra TD 128MB GeForce 4 Ti4600
    SB Audigy Gamer
    Intel 10/100 Pro NIC
    Western Digital 80GB 7200RPM ATA100 Special Edition w/ 8MB Cache
    Pioneer 16X DVD-106s
    Plextor 40x12x40 CD-RW
    Teac 1.44 Floppy
    Enermax 550W PSU
    Altec Lansing 641 4.1 Speaker System
    Antex SX1240 Full-Tower
    Win98SE / WinXP Pro

    3DMark 2001SE - 11,659 (Stock) 12,670 (O/C'd)

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