(I've tried posting this before I subscribed, since
http://www.gnu.org/software/grub/grub-mailinglist.html says that
"subscription to the list is not required to post a question." But that
failed. So I'm trying again, after having subscribed...)
Hello.
Is it possible to update the CPU's microcode (an Intel CPU, in this
case) with Grub? Meaning before the operating system starts.
I'm using Grub 2.02 beta 2 to boot three operating systems on my machine
(Gentoo, FreeBSD and Windows 8.1.) It would be nice if I could make Grub
do a microcode update before booting any of those operating systems.
Right now, I am only able to a microcode update in Linux, after the
kernel is booted.
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