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Document /boot/mbr (non-interactive boot block)

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PR:		doc/111840
Submitted by:	Warren Block <wblock@wonkity.com>
MFC after:	1 week
This commit is contained in:
pav 2007-05-12 10:40:20 +00:00
parent 3831aebc4a
commit 1285169f3a
1 changed files with 10 additions and 0 deletions
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10
usr.sbin/boot0cfg/boot0cfg.8
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@ -89,6 +89,9 @@ which will use the video card as output, alternatively
can be used for output to the COM1 port.
(Be aware that nothing will be output to the COM1 port unless the
modem signals DSR and CTS are active.)
Use
.Pa /boot/mbr
to revert to non-interactive boot manager.
.It Fl d Ar drive
Specify the drive number used by the PC BIOS in referencing the drive
which contains the specified
@ -152,6 +155,8 @@ The default
image
.It Pa /boot/boot0sio
Image for serial consoles (COM1,9600,8,N,1,MODEM)
.It Pa /boot/mbr
Non-interactive boot MBR image
.El
.Sh EXIT STATUS
.Ex -std
@ -163,6 +168,11 @@ To boot slice 2 on the next boot:
To enable just slices 1 and 2 in the menu:
.Pp
.Dl "boot0cfg -m 0x3 ad0"
.Pp
To go back to non-interactive booting:
.Pp
.Dl "boot0cfg -B -b /boot/mbr ad0"
.Pp
.Sh SEE ALSO
.Xr geom 4 ,
.Xr boot 8 ,