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Thread: Things falling off my mobo!

  1. #1
    Senior Member r_j_k_p's Avatar
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    Things falling off my mobo!

    Basically, when trying to reset the CMOS on my mobo, this thing fell off:






    Tried getting it back on again, but some pins have actually broken, so its practically impossible!

    Anyone know the actual function of this? as the PC is working fine atm, without the component.

    Thanks
    Dentist, and general teeth lover.

  2. #2
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    Re: Things falling off my mobo!

    It's the BIOS battery.

  3. #3
    Senior Member r_j_k_p's Avatar
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    Re: Things falling off my mobo!

    so how will that affect my mobo?
    Dentist, and general teeth lover.

  4. #4
    Does he need a reason? Funkstar's Avatar
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    Re: Things falling off my mobo!

    Settings will not be saved, nor will the time and date whenever you re-boot.

  5. #5
    I R Toff Pandi! TAKTAK's Avatar
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    Re: Things falling off my mobo!

    All CMOS data will be lost everytime you power off...

    Atleast you've reset your CMOS, constantly
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    Senior Member r_j_k_p's Avatar
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    Re: Things falling off my mobo!



    so basically, if i want an overclock, i have to manually set it again, every time i restart the pc?
    Dentist, and general teeth lover.

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    Does he need a reason? Funkstar's Avatar
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    Re: Things falling off my mobo!

    yup, exactly

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    Re: Things falling off my mobo!

    it might cause issues with windows too unless you change it each time you power on

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    Re: Things falling off my mobo!

    Quote Originally Posted by r_j_k_p View Post


    so basically, if i want an overclock, i have to manually set it again, every time i restart the pc?
    Its not just the overclock that will be lost each time. It is ALL the cmos data. Your pc's BIOS will reset to factory defaults everytime it loses mains power. If you never unplug it then it will be fine, the standby power from the PSU will be sufficient to keep the BIOS data.
    The reset may also mean that the machine will complain every time it starts, telling you that the CMOS checksum is incorrect and asking you to run setup.
    Obviously how much of an issue this is to you will depend on how often you unplug the pc, and how many settings in your BIOS you routinely change.
    You will probably be able to find a new battery holder from somewhere like Maplin and get someone to solder it onto your board for you. Unless of couse you are looking for an excuse to upgrade

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    Re: Things falling off my mobo!

    if you cant rma it you will need to solder this on http://cgi.ebay.co.uk/Maxell-CR2016-...3%3A1|294%3A50

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  12. #11
    Senior Member r_j_k_p's Avatar
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    Re: Things falling off my mobo!

    Quote Originally Posted by pipTheGeek View Post
    Its not just the overclock that will be lost each time. It is ALL the cmos data. Your pc's BIOS will reset to factory defaults everytime it loses mains power. If you never unplug it then it will be fine, the standby power from the PSU will be sufficient to keep the BIOS data.
    The reset may also mean that the machine will complain every time it starts, telling you that the CMOS checksum is incorrect and asking you to run setup.
    Obviously how much of an issue this is to you will depend on how often you unplug the pc, and how many settings in your BIOS you routinely change.
    You will probably be able to find a new battery holder from somewhere like Maplin and get someone to solder it onto your board for you. Unless of couse you are looking for an excuse to upgrade
    May try the maplin idea.....

    Tbh, the pc is never unplugged from the mains. If it is turned off, all plugs are left intact.
    I have the overclock and rest of the cmos settings in a profile, that i can just load from the bios if i do unplug the pc.

    Just did a quick test and found that it saved all my overclocks and time/date settings (as u said:If you never unplug it then it will be fine, the standby power from the PSU will be sufficient to keep the BIOS data."
    Dentist, and general teeth lover.

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    Re: Things falling off my mobo!

    Virtually any old PC motherboard will have the same CR2032 holder - they are easy enough to desolder and put on to yours. You would need a solder sucker, solder, and 30+ watt soldering iron. Test the re-soldering on the old motherboard first, as it takes s short amount of practice.

    Ebay probably has packs of these battery holders from China if you don't have any spare motherboards.

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