Csm support


I was wondering what csm support is? It's an entry in the bios of my Gigabyte Z77 UD5. I forget which actual section it is in, might be peripherals. I was wondering if I need it enabled? Or should I disable it? Would I get any performance, or any speed gain from disabling it?

Thanks so much!
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  1. its something to do with legacy bios support

    wont get any speed gain by disabling it
  2. Okay.

    Thanks so much!
  3. Yes, its needed if you're trying to boot a non-uefi compliant OS.
  4. Definitely enable CSM support.
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