I need to change AHCI module in Ubuntu, and I've always uses
But now it doesn't work bcause AHCI is built-in the kernel, and
What can I do now? Please help me.
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According to the Fedora Common Kernel Problems wiki page, to disable AHCI you can add
rdblacklist=ahci to the boot parameters and disable the functionality. It warns that this should make the system slower.
To add a kernel option, edit the grub configuration file:
gksu gedit /etc/default/grub
Add in the option you need to the GRUB_CMDLINE_LINUX_DEFAULT line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pci=bios rdblacklist=ahci"
Save the file and now regenerate the grub menu using: