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Hello,
I'm looking for guidance on how to disable DDIO on Intel CPUs.
Could anyone provide detailed instructions or point me to relevant documentation?
Below is information about the server cpu currently in use.
- vendor ID : GenuineIntel
- CPU family : 6
- model : 106
- model name : Intel(R) Xeon(R) Gold 6354 CPU @3.00GHz
Any help or guidance would be greatly appreciated. Thank you!
- Tags:
- DDIO
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Disabling Data Direct IO (DDIO) is possible with an existing motherboard if the BIOS has a facility to Disable/Enable DDIO. Such a facility seems to be uncommon bearing in mind that Intel Xeon processors have DDIO enabled by default. An alternative would would be the use of program code. There may be some pre-existing program code that would do this available from sources such as GitHub.
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I couldn't find a facility to disable DDIO in the BIOS, and I tried several programs on Github, but the codes didn't work in Ice lake CPU. Is there any other way to disable DDIO in Ice lake?
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The only two options seem to be BIOS (needs the board manufacturer to make a DDIO enable/disable option available) or through program code which relies on the code working with your CPU. If BIOS option is not available and program code does not work then I am not aware of any other alternatives.
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