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Message from Steven
===================
Mikael Bonnier wrote:
>
> boot=/dev/hda   ###  puts lilo in MBR of primary harddrive
>                 ###  otherwise lilo goes in root partition
> image=/boot/zimage
>    label=BL3
>    root=CURRENT
>    read-write
> 
> Then I run lilo -v and now it boots from /dev/hda2 

If it boots from /dev/hda2, then CURRENT was /dev/hda2
(i.e. you were running from /dev/hda2) when you executed 
lilo -v.  If you want, you can replace root=CURRENT with 
root=/dev/hda1

> Are there any disadvatages to using MBR? 

If you only want to boot one operating system (i.e. BL3),
then there are no disadvantages.  However, if you would 
also like to boot to DOS or other version of Linux, then 
it's not so good.

> How could I restore MBR so I could use the standard 
> installation procedure? 

Do you have a DOS boot floppy with fdisk (DOS version)
on it?  If so, boot from that floppy and execute:
----------
fdisk /mbr
----------
That will restore a generic boot sector to the HD.
Then when you boot the HD, it will boot whichever 
partition has the boot flag set.  

Cheers,
Steven