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  1. ComputerGeek
    Posts : 725
    Desk 1: Win 7 Pro x32; Desk 2: Windows 10 x64
       New #11

    patrick1966 said:
    I own a toshiba satellite c8550d -s5900.<snip>!
    Is the model number a typo? It didn't come up valid on Toshiba support site

    That said, fyi...

    SM Bus Controller is a data controller for slow speed devices. Sometimes it's part of the m/b chipset, other times it's part of a third party device added to the m/b. I'm guessing you really have a model C855D?

    Does your Toshiba have a card reader?

    Look for the card reader driver for your model and install it. (The model C855D has a Realtek card reader. SM Bus controllers are often a part on the card reader)
    Last edited by ComputerGeek; 04 May 2014 at 21:32.
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