Date: Thu, 01 Jul 1999 20:09:00 -1000 From: "Art Neilson, KH7PZ" <art@hawaii.rr.com> To: Doug <Doug@gorean.org> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: boot blocks Message-ID: <3.0.6.32.19990701200900.03232da0@clients1.hawaii.rr.com> In-Reply-To: <Pine.BSF.4.05.9907011513280.15370-100000@dt054n86.san.rr.c om> References: <3.0.6.32.19990701092609.031d31f0@clients1.hawaii.rr.com>
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At 03:17 PM 7/1/99 -0700, you wrote:
>On Thu, 1 Jul 1999, Art Neilson, KH7PZ wrote:
>
>> OK you guys!! How do I rebuild the bios boot blocks? I read
>> thru the README.serial in /usr/src/sys/i386/boot/biosboot and
>> know I need to recompile and install the new boot blocks.
>
> You don't mention what version of freebsd you're using, but if you
>are using 3.0 or higher the actual place to rebuild the boot blocks is
>/sys/boot. The rest of /sys/i386/boot/biosboot/README.serial applies
>though.
Thanks for the reply, I appreciate it! Sorry I didn't mention the
Release level, it's 3.2-R,
>
>> I altered /etc/make.conf to hardcode the serial port address
>> for a serial console and also set the speed to 19200. I did
>> do the make in the /usr/src/sys/i386/boot/biosboot directory
>> however did not do the make install yet as I fear I need to
>> do a disklabel after that to enable the blocks and don't know
>> the correct command to use.
>
> Why do you think that? It's not mentioned in any documentation I
>can find. All you should have to do is 'make all install clean' in
>/sys/boot and then reboot.
Here's why I thought that - excerpt taken from the file
/usr/src/sys/i386/boot/biosboot/README.serial follows:
Again, it's usually assumed that COM1 will be available for use as a
console device on a dedicated file/compute/terminal server, so hopefully
you'll never need to do this. But if you feel you must change the console
to a different port, here's how:
o Get the kernel source package.
o Edit /etc/make.conf and set BOOT_COMCONSOLE_PORT to the
address of the port you want to use (0x3F8, 0x2F8, 0x3E8 or
0x2E8). Only COM1 through COM4 can be used; multiport serial
cards will not work. No interrupt setting is needed.
o Create a custom kernel configuration file and add appropriate
`flags' for the serial port you want to use. For example, if you
want to make COM2 the console:
device sio1 at isa? port "IO_COM2" tty flags 0x10 irq 3
The console flags for the other serial ports should not be set.
o Recompile both the boot blocks and the kernel.
>>----> o Install the boot blocks with the disklabel command and boot
from the new kernel.
$Id: README.serial,v 1.10 1998/10/22 15:31:33 bde Exp $
The line with the arrow on it :^) shows the questionable bullet in the README.
I of course want to be sure I am doing this the right way, I don't want to
mess
up the boot block so the system won't come up.
Thanks!!
__
/ ) _/_ It is a capital mistake to theorise before one has data.
/--/ __ / Insensibly one begins to twist facts to suit theories,
/ (_/ (_<__ Instead of theories to suit facts.
-- Sherlock Holmes, "A Scandal in Bohemia"
Arthur W. Neilson III, KH7PZ
Bank of Hawaii Tech Support
art@hawaii.rr.com
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