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IOMMU bio setting with Kali live cd?


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#1 acerts04

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Posted 24 April 2014 - 03:32 PM

Hey everyone,

So i have picked up linux a little while ago out of interest and really wanting to further my knowledge into the OS. My question stems from something i hope that can be explained to me by an expert. Yesterday i created a live cd of Kali linux. At first it wouldnt load to the GUI, same thing happened when i used a usb instead of cd. I decided to give the 64bit iso another shot using Imgburn instead of built in windows burner, and it worked. That was the first thing that was strange to me. Since i thought it was a problem with the iso rather than a bad dvd, or dvd drive, but the same problem happened when i tried with usb. This was all done on my windows 7 alienware 14.

Today i booted to the live cd on my custom built AMD rig with windows 8. The GUI would boot, but once in GUI I had no keyboard or mouse function. So by doing my research i found that there is a bios option to check called IOMMU. I enabled it in bios and everything was perfect. My rig has a gigabyte 970a ud3p motherboard. So everything has been figured out, but i want to understand WHY i needed to change that bios setting, exactly what it does and what it is. Basically want to learn and get some education on it from some experts. Appreciate everyone

Edited by acerts04, 24 April 2014 - 03:34 PM.

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#2 NickAu

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Posted 24 April 2014 - 05:37 PM

Try this.

http://askubuntu.com/questions/85776/what-is-iommu-and-will-it-improve-my-vm-performance

 

http://en.wikipedia.org/wiki/IOMMU


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#3 acerts04

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Posted 24 April 2014 - 06:04 PM

Good reads. Thank you. What i cant seem to understand is with other distros ive used, never needed IOMMU enabled. Only kali. Any input on that?

"In real life, the hardest aspect of the battle between good and evil is determining which is which."





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