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Thread: Pentium II 233 phase-cooled

  1. #1
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    Pentium II 233 phase-cooled

    I was little bored this night and desided to overclock an old Pentium II 233 that I got from Overklokk earlier (the CPU was lying around in his Volvo ). Tried first with water and later with a custom build phase change cooler. Actually got it to post at 466 MHz which is a 100% overclock.

    Maximum VCORE on the motherboard is 3,5 V, maximum specs for the Klamath core is 4,2 V.

    Here's some pics of the project:
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  2. #2
    XS News
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    OLD SCHOOL OVERCLOCKING!!!

    Hey what were the best parts back then?

  3. #3
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    Nice thing is with this stuff you have no fear

    Try to get %100 on your FX

  4. #4
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    dam u were bored? :p
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  5. #5
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    Great work !
    lol

    I love old school attacks.

    I had my old Celeron 300A @ 600mhz with ice water - great fun

  6. #6
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    Dude
    great!!
    i love old school OC!
    pcxtreme.it<-> ThuG Temple
    C.R.E.A.M.(Clock Rules Everything Around Me)

  7. #7
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    Yeah, that is an awesome OC for a 233 PII!
    3500 clawhammer @ 230x11 1.7V
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  8. #8
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    Nice OC mate

  9. #9
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    Lol, makes you think how they were something else, but now they are a fraction of today's CPU's.
    Old school is cool. Nice job there

  10. #10
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    Well done!

    My 233 MHz Klamath is stable at 350 MHz @ stock voltage @ stock cooling.

    However, never got it to be stable any higher.

    http://www.nethands.de/pys/show.php4?user=Antigone

  11. #11
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    YES!! Now this is my kind of overclock (says the king of slot 1 d2ol crunching).
    Last edited by angrysquirrel; 05-04-2005 at 06:00 AM.


    Quote Originally Posted by Disposibleteen
    holy crap, i now have 4 people with quotes of mine in their sigs, what is going on here?

  12. #12
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    I remember overclocking my PII 350MHz Deschutes ages ago. Old skool is fun I also overclocked a 233 Klamath (same stepping as yours). I got it to the maximum bootable speed using water, then removed the block at 410MHz. At first, the core heated up ALOT (felt like touching a 200w soldering iron!), then it started to smell bad. Then, it started smoking, temperature still rising. But, I stopped before any fires started. Started to smolder the PCB though...

  13. #13
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    Thanks guys!

    I'm little suprised that the external L2 cache worked at these speeds.

    Nice farm angrysquirrel.

    masterofpuppets: Ouch, I heard that the smoke is really healthy.
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  14. #14
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    Quote Originally Posted by Kamerat
    Thanks guys!

    I'm little suprised that the external L2 cache worked at these speeds.

    Nice farm angrysquirrel.

    masterofpuppets: Ouch, I heard that the smoke is really healthy.
    this L2 cache problem is only on p2, early slot p3, and slot athlon.

    if you have any pentium or pentium mmx lying around give it a try under that sucker. but, i really can not think of anything better than a celeron to put under that. not quite 100% overclock, but i had a celeron 300a almost prime stable at 540 (but 3dmark stable)

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  15. #15
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    It is a P2 Deimos

    All along the watchtower the watchmen watch the eternal return.

  16. #16
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    well the old school celerons were quite capable of 100% oc with water. Well the 300mhz ones anyway.

    but 33-40% oc's were comon place with older intel's.

    My buddy had his celeron 600@ 950mhz with stock volts for months and it was completly stable.

    I had a p3 650@ 1026 or something with minival volt changes.

  17. #17
    XS_THE_MACHINE
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    wow, thats so cool. Crank it up to 4.2 and get 500mhz.
    "Victory is always possible for the person who refuses to stop fighting"

    clicks to save kids

  18. #18
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    i have a slot1 celeron 300A i think, lemme know if you want it

  19. #19
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    No school like old school
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  20. #20
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    im going to OC my old PIII 666 (demon PIII) sayaa maybe your AH6 will work with my demon cpu.

    nice old school OC maybe you can send the PIC to intel public relation team PII under phase change.

    and that is xtreme oc and extreme Vcore too
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  21. #21
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    NICE. Looks like my PII Xeon 450mhz needs to get out of retirement.

  22. #22
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    Nice OC.. I miss my old celly 366, it would do 605 on air. Wish I had it now to see if I could get anymore out of it.
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  23. #23
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    Thumbs up

    Awesome, simply awesome dude!
    Can't quite tell from the pic though - is that grey insulating foam on the slot CPU PCB or condensation?
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  24. #24
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    Quote Originally Posted by saaya


    i have a slot1 celeron 300A i think, lemme know if you want it
    Just send it over, 3V + gonna make it suffer.

    psy^: Here's a picture of the CPU and isulation:
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Satan: Opteron 165 - TT Big Typhoon - DFI Lanparty NF4 SLI-DR - OCZ EB PC3500 2x512MB - Asus Radeon X800 XT - Raptor 74GB x2 RAID0
    Slepbar (Lenovo 0761): Pentium M 735 (Celeron M 380 @ 2,13GHz) - DDR2 2x512MB - GMA 900
    3DMark2001: 40392 - Super PI: 23s

  25. #25
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    Quote Originally Posted by Kamerat
    Just send it over, 3V + gonna make it suffer.

    psy^: Here's a picture of the CPU and isulation:
    If you rip those l2 cache chips off and disable l2 cache on the bios you should be able to oc it quite a bit more. I would not be suprised if you got 650mhz like that, Then show us some super pi records....lol

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