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Thread: Intel Mobile Processes - Basic Info

  1. #17
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    Hmmm, eeenteresting. And "usually" do all notebooks in a line have the same HSF? Presumably I'm likely to get a nice quiet ride with a celery 1.5, whereas a 2.13 would be somewhat nosier? To be honest, this is a home machine rather than a work one to be flogged to death, so quiet is good...
    Well Hello!

  2. #18
    bored out of my tiny mind malfunction's Avatar
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    • malfunction's system
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    According to intel (http://processorfinder.intel.com) all the PM / CM chips have very similar TDPs so in theory the heatsink should be able to cope just fine... I'd go as far as saying the PM chips will be cooler than the CMs anyway - unless you're keeping the CPU under constant load - because EIST (on the fly multi and voltage changes) is disabled on all CM chips.

    One thing that *might* happen is the BIOS of the laptop is locked to only allow celerons not full pentiums though I'd be suprised (but then it's not my money)

  3. #19
    Tak
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    Yeah you can reasonably assume that all notebooks in a line have the same HSF.

    The Thermal Design Power of the chips are:

    Celeron M 24.5w
    Pentium M 400 21w
    Pentium M 533 27w

    So you may find that a P-M 400 chip actually runs cooler than a Celeron M, running at stock speeds and voltage of course.

    However the noise of the fan is dependent on many more factors than just the chip type/speed. They are all relatively small, therefore run at an insanely fast RPM, depending on the BIOS it may (ideally) ramp up when it gets hotter, or just stay constantly on.

    What I'm trying to say is, you can make educated guesses, but there's no real way of knowing unless you try it out for yourself.

  4. #20
    Tak
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    Quote Originally Posted by malfunction
    EIST (on the fly multi and voltage changes) is disabled on all CM chips.
    Good point, that makes a significant difference to temps (and therefore fan speed/noise)

    Quote Originally Posted by malfunction
    One thing that *might* happen is the BIOS of the laptop is locked to only allow celerons not full pentiums though I'd be suprised (but then it's not my money)
    True, in cases like these you'll have to trawl other specialist forums for info, like Notebook Forums

  5. #21
    nez
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    I have been watching the M's for a while now (for a desktop rather than lappy), and as long as funds are ok i will be investing in a Yohana dual core M when they are released early next year, for a gaming pc, and turning my current one int o a work horse/server.

    M's Rock!!!

    nez

  6. #22
    Tak
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    They sure do. Cool, quiet, powerful, low power consumption, massive overclock potential.

    By then they'll be many more boards out too. At the moment choice is limited, especially for PCI-E. BTW it's Yonah

  7. #23
    Senior Member joshwa's Avatar
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    Quote Originally Posted by nez
    I have been watching the M's for a while now (for a desktop rather than lappy), and as long as funds are ok i will be investing in a Yohana dual core M when they are released early next year, for a gaming pc, and turning my current one int o a work horse/server.

    M's Rock!!!

    nez
    Does anybody know if they'll use the same socket as the current chips?

    Josh

  8. #24
    Tak
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    Quote Originally Posted by joshwa
    Does anybody know if they'll use the same socket as the current chips?

    Josh
    It's not clear at the moment. There's some discussion here but it's not conclusive.

  9. #25
    Xcelsion... In Disguise. Xaneden's Avatar
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    I use a Banias type 1.7ghz Pentium M, and I have only got good things to say about it. I'm not sure about the real life speed increases Dothan gives, but if its half as good as my banias is, you'll have one hell of a nice laptop
    New Sig on the Way...

  10. #26
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    Oh you don't need to convince me of the chip itsself..I have a Tosh Sat Pro 1.8 GHz jobbie at work, which is "fine" (but still gets unresponsive if I'm chucking serious SELECTS at it...no x86/Windoze PC doesn't if you max out the cpu, and thats part of the reason I fancy Macs...but...well who knows).

    I reckon that Tecra's a bargain though...boss just got an M4 (tablet) for about £1400 or something, which is 1.73GHz dothan/sonoma....celery 1.5 (yeah I know it'll be a BIT slower, but...how much, really? 15%? For a home lappy?) for £540 isn't bad IMO...
    Well Hello!

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