[Ilugc] Does the Linux kernel rely upon BIOS?
- From: ramanraj@xxxxxxxxxxxxxxx (Ramanraj K)
- Date: Fri Aug 6 06:18:06 2004
To what extent does the Linux kernel rely upon BIOS?
<---background for the question is the following posting to the FreeBSD
On Thu, Aug 05, 2004 at 02:31:47AM -0700, Daniel Rudy wrote:
FreeBSD does it again.
Not to ruin your joy over a working hw setup, but in fact pretty much
all decent PC OSs these days (the list is long, but does *not* include
any version of DOS, for example) can do what FreeBSD did in this case
just fine. The BIOS is no longer used by the OS to access the disk, but
the BIOS needs to recognize the drive at least in part in order to be
able to boot the OS from it (obviously). So, the lesson to take home
here is this: unless you want to boot from a disk, you pretty much do
not have to worry about the BIOS these days using eg FreeBSD. This does
not include broken BIOS implementations, that actually crash and refuse
to boot with an overly large drive even if the type is set to NONE. (I
have seen such thing unfortunately) Luckily, there is almost always a
last BIOS update even for older boards from sometime around 1999 because
of the Y2K madness, and these usually include support for larger drives
Kudos to the FreeBSD development teams.
-- Regards: Szilveszter ADAM Budapest Hungary
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