I can not boot my FreeBSD-5.2 partition, please help

[Dany]

Using SBM "Smart Boot Manager" http://btmgr.sourceforge.net/  I was able 
to boot my FreeBSD 5.2R out of the box which is located on the upper 
part of the disk (40G to 80G).

It uses MBR for installation, so you can boot from a DOS floppy. Backup 
your existing MBR and isntall this nice tool.

Dany


Hanspeter Roth wrote:

>  On Jan 16 at 12:30, Juan Rodriguez Hervella spoke:
>
>  
>
>>Hello,
>>
>>I've got a 40 GBytes hard disk on an old Pentium MMX 266 MHz.
>>The first time I plugged it into the motherboard my BIOS didn't recognize
>>the drive, but fortunately there is a jumper that reduces the size of the
>>disk to 32 GBytes, and that's enough for my BIOS at this moment.
>>
>>So I've got something like this:
>>
>>10 GBytes for Windows 2000
>>10 GBytes for Linux
>>10 GBytes for FreeBSD-5.2
>>
>>The big problem is that the FreeBSD boot manager that I've
>>got installed on my MBR is only able to boot the Windows partition.
>>    
>>
>
>Hello Juan,
>
>I assume that you have installed all OSes on primary partitions, if
>not you should mention it.
>FreeBSD's bootmanager has an option `packet' which is required to
>boot from cylinder > 1023. Unfortunately it is set off by default.
>
>There are two (or more) possibilities to recover. 
>
>1. install the FreeBSD bootmanager into MBR and Lilo/Grub into the
>   Linux partition (/dev/hda2). In order to install the FreeBSD
>   bootmanager with the packet option you should boot the FreeBSD
>   recovery disk. This is the second disk. And then choose Fixit
>   from the install menu. After you have the root prompt issue the
>   following command:
>
>   boot0cfg -vB -o packet /dev/ad0
>
>   (This assumes you have a IDE disk.)
>
>2. launch the Linux recovery CD/floppy and setup Lilo or Grub
>   accordingly.
>   You would need to install it in the MBR (/dev/hda) and create
>   entries for Windows and FreeBSD as well.
>
>-Hanspeter
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