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31 .Nd "Configuration file for the boot blocks"
35 file contains options for the
41 boot loader runs, it searches the
43 slice of the boot partition for a
45 file (as a result, slices which are missing an
47 partition require user intervention during the boot process).
50 file is found, its contents are used as the default configuration
51 options for the boot block code and are echoed to the system console.
53 A valid format of this file is to put BIOS drive number, a controller
54 type, a unit number, a partition, a kernel file name, and any other
57 option on a single line, as it is done at the
61 The options related to the boot image selection described below and all
62 the other options available for
64 are documented in detail in the
69 .Bd -literal -offset indent
70 # echo "-P" > /boot.config
73 will activate the serial console of
77 .Bd -literal -offset indent
78 # echo "1:ad(1,a)/boot/loader" > /boot.config
81 will instruct the second stage of
83 on the first disk to boot with the third
85 stage from the second disk.
88 .Bd -literal -offset indent
89 # echo "1:ad(1,a)/boot/loader -P" > /boot.config
92 will do both of the above.
94 .Bl -tag -width /boot.config -compact
96 parameters for the boot blocks (optional)
102 This manual page was written by
103 .An Daniel Gerzo Aq danger@FreeBSD.org .