Messages in this thread |  | | From | "H. Peter Anvin" <> | Subject | Re: cpu reset on laptops and microcode update. | Date | 21 Sep 2000 08:35:07 -0700 |
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Followup to: <Pine.LNX.4.21.0009210946410.1060-100000@saturn.homenet> By author: Tigran Aivazian <tigran@veritas.com> In newsgroup: linux.dev.kernel > > A long time ago I noticed a curious feature on my Dell Latitude CPx > H-450GT laptop - rebooting it via "shutdown -r now" (and therefore going > through BIOS) does not discard the microcode applied to the CPU. But I > would expect it to be discarded as prescribed by Intel manuals, on #RESET. > > Does it mean that rebooting a laptop does not actually ever reset the > CPU? (this would imply that the BIOS is also a protected mode software?) >
Most CPU's aren't... instead the system assert INIT.
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