Clone install headaches

[Sergio Salvi]

Lennart Sorensen wrote:
> On Fri, Mar 12, 2004 at 09:15:22AM -0500, Paul DiRezze wrote:
> 
>>SUCCESS!!!!!!!!!!!!!!!!!!!!!
>>
>>At 10:36 AM 11/03/2004 -0500, you wrote:
>>
>>>Either your PCI BIOS or sis900 module is broken. First check on your BIOS 
>>>setup, somewhere in the "Advanced Configuration" and look for the option 
>>>"PNP OS" or "Plug-and-Play OS Installed" (or similar) and happily change 
>>>it to "NO". Save, reboot and let RedHat try to bring the interface up.
>>
>>This did the trick.  Why is this?
> 
> 
> PNP OS option disables the BIOS doing PNP (ISA and PCI and such)
> hardware initialization, leaving that to the OS for anything not
> required to boot the OS enough to load drivers.
> 
> The 2.6 kernel is supposed to be able to do it, but maybe it's not
> entirely complete yet.  2.4 kernels certainly will fail to configure
> some devices if the bios has not already assigned resources to the
> hardware.
> 
> I have seen some network cards, many pcmcia slots, and such fail to work
> correctly when PNP OS is enabled.  Many systems ship with it on by
> default since Windows prefers it, while at least some motherboards (Asus
> at least lately I have seen) have it off by default.  I guess with as
> much onboard hardware as they sometimes have, having the BIOS that knows
> the board do the resource allocation might be preferable.

Yes Lennart, that's it!
And my suggestion is to always leave this option OFF, it will work fine even with Windoze...

[]s,
Salvi
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