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'outb' Command Unknown in Grub

Hi,

When using EFI booting with GRUB on Ubuntu and Linux Mint I am able to include "outb" commands in my grub config file to write values to particular memory addresses. But on Fedora 18 this gives a command not known warning.

Can anyone suggest how to get outb working?

Thanks, Keith

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'outb' Command Unknown in Grub

Hi,

When using EFI booting with GRUB on Ubuntu and Linux Mint I am able to include "outb" commands in my grub config file to write values to particular memory addresses. But on Fedora 18 this gives a command not known warning.

Can anyone suggest how to get outb working?

Thanks, Keith