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Thread: Pentium M CPU on a regular Socket 478 Mobo?

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    Maximum Bitrate CJ8501's Avatar
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    Pentium M CPU on a regular Socket 478 Mobo?

    I was looking for a low power system and found a pentium m cpu for cheap. Its a socket 478 just like a regular pentium 4 and celeron cpu are, but will it fit on a regular socket 478 mobo just like the p4 and celerons do? or will i need to modify the pins or anything? On intel's site, it says Mobile CPUs have 478 pins, but everywhere else it says 479?

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    MySQL Error jcdillin's Avatar
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    Is that a p4 mobile CPU or an actual M CPU? Because the mobile P4's are 478 pins, the M's have the extra pin to keep you from using it on a normal board, but they already have an adapter, I will see if I can find the one I was looking at.
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    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by CJ8501
    I was looking for a low power system and found a pentium m cpu for cheap. Its a socket 478 just like a regular pentium 4 and celeron cpu are, but will it fit on a regular socket 478 mobo just like the p4 and celerons do? or will i need to modify the pins or anything? On intel's site, it says Mobile CPUs have 478 pins, but everywhere else it says 479?
    It won't work, even if the pinouts are the same.

    ASUS makes an adapter that will allow it to work in certain ASUS motherboards. Check their website for details.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  4. #4
    MySQL Error jcdillin's Avatar
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    well the P4 mobile CPU will work on a normal board, I have one. But the M will not work without the special adapter
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    Maximum Bitrate CJ8501's Avatar
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    O so theres a difference between Pentium M and Pentium Mobile? Did not know that... I was looking at a Pentium Mobile CPU... I thought they were the same

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    MySQL Error jcdillin's Avatar
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    yup, but I am going to end up using my mobile P4 because it fits a normal board and uses less power than a normal P4, but the chips are much higher quality than a desktop CPU because intel goes and picks only the best of the die to make the mobile chips. So in turn they are higher performance than other chips that are the same speed.
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    Quote Originally Posted by CJ8501
    O so theres a difference between Pentium M and Pentium Mobile? Did not know that... I was looking at a Pentium Mobile CPU... I thought they were the same
    No, there is not. There is a difference between Petium 4 Mobile and Pentium M, that's what jcdillin was talking about. Refer to Darque's post for the rest.
    I have found you an argument; I am not obliged to find you an understanding.

  8. #8
    My man uses Levitra. Peoples's Avatar
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    Dont bother with a Penitum M, get a P4 mobile, mines been treating me great, and was only around $27 on ebay including shipping
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    Lilliput; XPC/FLEX mobo; 1.7 ghz P4 Mobile;512 DDR; 160 gb HDD; opus 150; slot usb dvd-rw
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    Newbie White 350z's Avatar
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    I'm confused. What exactly is the difference in the Pentium Mobile and the Pentium 4 M?
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    Newbie White 350z's Avatar
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    Okay, I think I've figured out the difference. The Pentium Mobile is the Banias/Dothan cores, a true "Pentium M," whereas the old mobile processors were Pentium 4's designed to be mobile, hence the "M".

    I've searched for the stuff below, but need a little help still.

    So, that being said, I want to pick up an old Pentium 4-M processor. How do I know what I am getting? I've been looking on ebay, but am I coming up with the right stuff? Here's a link to one:
    http://cgi.ebay.com/ws/eBayISAPI.dll...sPageName=WDVW

    Also, what boards will run the old pentium 4-m's? Will any socket 478 board run them just fine?

    Thanks!
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