Re: /dev/nvram on my Celebris

David Luyer (luyer@ucs.uwa.edu.au)
Mon, 23 Nov 1998 17:15:00 +0800


>
> Hi
>
> /dev/nvram, while no doubt it works, is broken, at least on my Digital
> Celebris P133.
>
> I tried to cat a string into the device (after compiling a new kernel
> with support for it, of course), and I could read it back. Great, I
> though. But when I rebooted, POST failed, the BIOS drive setup were
> horribly messed up, and suddenly I had a BIOS password.
>
> Apparently, /dev/nvram overwrites important BIOS configurations, surely,
> this isn't intended?

That's exactly what /dev/nvram is! The BIOS nvram!
Hence, you have to be root to read or write it.

David.

> I'll try to make a note of what BIOS the machine has, but I can't boot
> it at the moment. Drop me a mail if you really have to know.
>
> -kzm
> --
> If I haven't seen further, it is by standing in the footprints of giants
>
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