>
> To deal with a standard MBR, you have to use fdisk(8). Try:
>
> # fdisk -B -b /boot/mbr -i da1
>
> This will walk you through the current settings interactively,
> letting you generate a slice table, change the active slice and
> rewrite the boot code.
>
> Of course, just to confuse you, fdisk(8) will talk all about
> "partitions", but be assured it actually means "slices" in *BSD speak.
> (partitions are generated within each slice using disklabel(8) which
> is a BSD specific thing. slices are generic for practically all
> OSes that can run on the IA32 architecture from DOS onwards.)
OKay Matthew,
I am still a little inclear here. do I need to chnage what BIOS thinks.
this is the first interactive prompt that I receive when running the fdisk
command:
so I said no:
---- snip ---
# fdisk -B -b /boot/mbr -i da
fdisk: cannot open disk /dev/da: No such file or directory
typhoon# fdisk -B -b /boot/mbr -i da1
******* Working on device /dev/da1 *******
parameters extracted from in-core disklabel are:
cylinders=8924 heads=255 sectors/track=63 (16065 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=8924 heads=255 sectors/track=63 (16065 blks/cyl)
Do you want to change our idea of what BIOS thinks ? [n]
--- snip ----
**** then do I say yes here?
-- snip ---
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
start 63, size 143363997 (70001 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 1023/ head 254/ sector 63
Do you want to change it? [n]
--- snip ----
and no to the rest of the partitions/slices prompts?
Thanks in advance,
Noah
>
> > the disk is a little bit of a different size with different partition sizes.
> > woudl that Make a difference. what esle can I check here?
>
> The disk geometry won't make any difference to the boot block.
> fdisk(8) will read in the current partition table and give you the
> opportunity to modify things, but don't do that unless you really do
> intend to wipe the disk contents.
>
> Cheers,
>
> Matthew
>
> --
> Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
> Savill Way
> PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
> Tel: +44 1628 476614 Bucks., SL7
> 1TH UK
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