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  1. #1
    la vache fantôme phantomcow2's Avatar
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    My first attempt at overclocking

    Today i tried my first attempt at overclocking my computer....

    What always puzzled me was that even though written right on the actual p4 processor i have, and the box, and the sticker, it says 2.4ghz. Yet upon loadup it says 1.8 100mhz. So i went into my BIOS and changed mhz to 115, and changed voltage for CPU from 1.525 to 1.575. ANd Ram voltage from 2.5 to 2.6v.
    Now it says 2.06ghz upon startup.
    My first question:

    Why did it say 1.8ghz when i have a 2.4ghz processor?
    Because of the voltage i just selected, am i about to fry something? I have zero experience with overclocking...

    Idle temperature before overclocking, according to Bios "PC health", was 39 deg C.
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  2. #2
    370H-SSV-0773H linux_author's Avatar
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    - you can up the speed 10-15 percent without too much worry... however, keep in mind that the instant you lift off the CPU fan your CPU is toast!

    :-)

    - there are combo factors involved, such as ambient temp... keep a close watch on the BIOS health values... stability will suffer at higher clock speed...

    - there are a few places you can check for more info:

    http://www.overclockers.com/

    http://www.ocforums.com/

    http://www.tomshardware.com/

    - good luck! (i ran a PII 400 at 433/450 for years - it's in the garage and still posts!)

    :-)

  3. #3
    la vache fantôme phantomcow2's Avatar
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    Well i was going to stick a new fan onto the CPU when i got my motherboard anyways...
    Plus i got a 2.8ghz processor i will be using. Would overclocking that to make it run at 3.0 be an issue?
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  4. #4
    Senior Member mechBgon's Avatar
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    You're not overclocking, you're underclocking. Sounds like you have the retail-boxed 2.4B variant, which would list a 533MHz FSB on the box. You can check using its sSpec code at this site: http://processorfinder.intel.com/scripts/default.asp .

    So set the frontside-bus speed of 133MHz (quad-pumped to an effective 533MHz), and then your processor should automagically come out at the intended 2.4GHz clockspeed and no need to goof with the CPU voltages.

    The 2.6-volt memory voltage won't hurt anything, and may be helpful/necessary depending on the brand and precise model of the memory.

    Since you're still using your old motherboard, post what brand/model it is. It may not be able to do 133MHz bus.

  5. #5
    Meow! my58vw's Avatar
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    If it is a 2.4 GHz and it reads 1.8 GHz you have to bios set wrong. Check you manual, or have it automatically change in bios.
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  6. #6
    la vache fantôme phantomcow2's Avatar
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    motherboard im using now is a Via p4ma. 2002 I believe....
    I've played and played in BIOS, and could never get it to actually display 2.4 like it SHOULD. From the reviews i've read, the MSI thats on its way is a nice tool when it comes to overclockng
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  7. #7
    la vache fantôme phantomcow2's Avatar
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    wait wait, so i should go ahead and set speed to 133, rather than the stock 100?
    ANd voltage stays the same i assume?
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  8. #8
    Senior Member mechBgon's Avatar
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    If it's a straight P4MA and not a P4MA Pro533, then your motherboard doesn't support 133MHz bus speeds, only 100MHz (400MHz quad-pumped).

    Given the lack of a PCI lock on that board, there's a risk of corrupting your hard drive if you stray too far from the "home" bus speeds, so it might be smart to leave it at 100MHz bus speed for now, and just sit tight for your new motherboard. edit: let me clarify that being able to select 133MHz doesn't necessarily make it a safe, properly-supported, achievable speed.

    Is your new 2.8GHz processor a boxed one, too? It would be interesting to identify which variant you've got, so post the sSpec if you know it

  9. #9
    la vache fantôme phantomcow2's Avatar
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    yea it looks like the motherboard is certainly a limiting factor here. .
    BUT i did manage to get it to 1.98ghz and boot no problem.
    CPU temp was 42degC

    THe processor has been used him a friend for 1 year, he never overclocked it, and i built that computer, so i am confident in its condition. Hes upgrading now, so I cant resist his offer.

    Motherboard is the straight p4ma, with the 266.

    I am hoping for a large increase in performance with a 2.8, and a motherboard that can take it no problem.
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  10. #10
    Senior Member mechBgon's Avatar
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    Which 2.8 are you getting? Northwood-core with 533MHz bus would probably be your best bet, since your RAM is suited to that.

  11. #11
    la vache fantôme phantomcow2's Avatar
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    The DDR is best suited for Northwood? I will have to see if I can find the box. Would it be printed right on the processor if it was a northwood?
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  12. #12
    Senior Member mechBgon's Avatar
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    You have the processor there, then? Look at the topside for some markings, or the sSpec code on the box, or simply what the box says about the bus speed (400, 533 or 800MHz as the case may be). Also, if the box says the size of the L2 cache (512kb or 1MB), and/or the 90nm or 130nm process, report that too.

  13. #13
    la vache fantôme phantomcow2's Avatar
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    well im just afraid that the processor box is gone after 1 year....
    The processor is still in his computer. He may have the sticker that came with it though, i will ask.

    . My first attempt to overclock, and i am underclocking the whole time
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  14. #14
    Senior Member mechBgon's Avatar
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    The processor can also be ID'ed using this utility from Intel: http://support.intel.com/support/pro.../CS-007623.htm

  15. #15
    la vache fantôme phantomcow2's Avatar
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    Ran that utility, no mention of northwood.
    It just said 533system bus
    2.80ghz
    512kb l2 cache
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  16. #16
    Senior Member mechBgon's Avatar
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    Quote Originally Posted by phantomcow2
    Ran that utility, no mention of northwood.
    It just said 533system bus
    2.80ghz
    512kb l2 cache
    The 512kb of L2 cache makes it a Northwood core. They tend to run cooler than the Prescotts. As far as I know of, only the 3.06GHz model combines Hyperthreading (generally desirable in Pentium4's) with a 533MHz bus speed, so yours won't have Hyperthreading.

    If it were a 2.8C then it would have Hyperthreading and the best overall performance-per-MHz of any Pentium4 variant, but you'd also want dual-channel DDR400 to keep it fed, and that means slapping down a couple bills for a couple 1GB DDR400 memory modules, and then down the slippery slope ya go It still should be a nice step up from your ~2GHz one.

  17. #17
    la vache fantôme phantomcow2's Avatar
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    I was going to add a gig of RAM anyways. You were mentioning a "gotcha" about RAM in my MSI motherboard in another thread. So will another single stick of RAM work? It will be a single stick of 1gig and 400mhz. The motherboard supports it, so i might as well use that i figure.
    The intent was to use this 1gig stick, as well as the 512 i've already got. But hte 512 is not 400mhz, its PC2700
    I've got some copper heatsinks i will stick on there too.
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  18. #18
    Senior Member mechBgon's Avatar
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    Quote Originally Posted by phantomcow2
    I was going to add a gig of RAM anyways. You were mentioning a "gotcha" about RAM in my MSI motherboard in another thread. So will another single stick of RAM work? It will be a single stick of 1gig and 400mhz. The motherboard supports it, so i might as well use that i figure.
    The intent was to use this 1gig stick, as well as the 512 i've already got. But hte 512 is not 400mhz, its PC2700
    I've got some copper heatsinks i will stick on there too.
    A mix of a 1GB module and a 512MB module ought to work with mismatched DIMMs as what Intel would call "Single Channel without Dynamic Mode."



    Is there any chance you could get two matched 1GB modules, and just retire that 512MB module? That would give you dual-channel, plus the ability to upgrade to a Hyperthreading-equipped processor with the 800MHz bus. They'd also work well with AMD's current stuff. And of course, 2GB of RAM is more than 1.5GB

  19. #19
    '05 NUEser EJ123's Avatar
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    Would you say that an AMD is more perferred processor for gaming than a pentium?

  20. #20
    Senior Member mechBgon's Avatar
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    Quote Originally Posted by EJ123
    Would you say that an AMD is more perferred processor for gaming than a pentium?
    The Athlon64 family is the hot thing with the gaming crowd now. I've seen some pretty intense debates over whether it's better to get a single-core Athlon64 or a dual-core Athlon64 X2 for a gaming system, however From Valve's survey of HalfLife2 owners, it looks like the upper-end gaming market is roughly half-&-half (between Intel and AMD, I mean).

  21. #21
    That darn Yankee TexasGuy's Avatar
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    Quote Originally Posted by phantomcow2
    Well i was going to stick a new fan onto the CPU when i got my motherboard anyways...
    Plus i got a 2.8ghz processor i will be using. Would overclocking that to make it run at 3.0 be an issue?
    Not sure how Intel handles it as I don't think I've ever need to over clock an intel chip, they already are more then fast enough but on the AMD boxes I've setup you always had o go in and achaneg the multiplier. Uusually it was pretty easy because the speed of the computer divided by the multiplier was some other number (been too long since i'ev done it).

    I would almost say that If you bought an intel chip that was 2.4ghz and it wasn't 2.4ghz that something was wrong.
    Life is about hanging onto what you think is important and finding out what really is important.
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  22. #22
    That darn Yankee TexasGuy's Avatar
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    Quote Originally Posted by EJ123
    Would you say that an AMD is more perferred processor for gaming than a pentium?
    Yep lots of gaming fans prefer AMD. That has primarily been 97% of AMD's market. 4 CPU failures later and 2 -3 motherboard failures later with no overclocking and this will probably be the last AMD i ever buy. But I'm not much of a a gamer so I guess my opinion doesn't really count
    Life is about hanging onto what you think is important and finding out what really is important.
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  23. #23
    Senior Member mechBgon's Avatar
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    Quote Originally Posted by TexasGuy
    Yep lots of gaming fans prefer AMD. That has primarily been 97% of AMD's market. 4 CPU failures later and 2 -3 motherboard failures later with no overclocking and this will probably be the last AMD i ever buy. But I'm not much of a a gamer so I guess my opinion doesn't really count
    My business fleet is mostly AMD and we don't do much gaming Does Solitaire count? They're very reliable. Then again, I don't build with low-quality motherboards, memory, or power supplies, that's just asking for problems when I need long-haul durability (we can't afford to roll our systems over as frequently as the typical corporate fleet would, being a non-profit).

  24. #24
    That darn Yankee TexasGuy's Avatar
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    Quote Originally Posted by mechBgon
    My business fleet is mostly AMD and we don't do much gaming Does Solitaire count? They're very reliable. Then again, I don't build with low-quality motherboards, memory, or power supplies, that's just asking for problems when I need long-haul durability (we can't afford to roll our systems over as frequently as the typical corporate fleet would, being a non-profit).
    Who carries and supports your AMD Line.
    Life is about hanging onto what you think is important and finding out what really is important.
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  25. #25
    Senior Member mechBgon's Avatar
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    Quote Originally Posted by TexasGuy
    Who carries and supports your AMD Line.
    In the end, I do. Because they'll need to last about twice their warranted lifespan, and that holds for both AMD and Intel systems here. If you're looking for a pre-built AMD business system, HP has some, and we have some of their d325's. The ones I've built myself are a lot like an HP d315s.

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