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MBR on sco unix
- Thread starter Norberto
- Start date
Hi,
Well, assuming the only thing you had on that PC was SCO/Unix then the SCO boot loader would have been in the MBR originally. To boot anything at all from the hard disk you must have some kind of boot loader in the Master Boot Record (MBR). It is quite possible for some boot loaders (e.g. linux's lilo) to chain boot another boot loader that has been installed in the boot record of a partition however this depends on the capability of the MBR boot loader.
What you have now done is install a microsoft windows bootloader in the MBR and all that is ever going to boot is a fat16/fat32 partition. So, right now, you can't boot either linux or sco/unix.
In hindsight what you did wrong was to install lilo in the MBR. Because the SCO bootloader is quite primitive (as far as I know) you probably should have left that in the MBR, & installed lilo in the boot record of the partition you installed redhat into (or more specifically the partition that has the /boot part of the linux filesystem). I <believe> the sco bootloader could boot the linux boot partition and thereby chain-load lilo.
Contd in next question....
Rgds
Well, assuming the only thing you had on that PC was SCO/Unix then the SCO boot loader would have been in the MBR originally. To boot anything at all from the hard disk you must have some kind of boot loader in the Master Boot Record (MBR). It is quite possible for some boot loaders (e.g. linux's lilo) to chain boot another boot loader that has been installed in the boot record of a partition however this depends on the capability of the MBR boot loader.
What you have now done is install a microsoft windows bootloader in the MBR and all that is ever going to boot is a fat16/fat32 partition. So, right now, you can't boot either linux or sco/unix.
In hindsight what you did wrong was to install lilo in the MBR. Because the SCO bootloader is quite primitive (as far as I know) you probably should have left that in the MBR, & installed lilo in the boot record of the partition you installed redhat into (or more specifically the partition that has the /boot part of the linux filesystem). I <believe> the sco bootloader could boot the linux boot partition and thereby chain-load lilo.
Contd in next question....
Rgds
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