Date: Fri, 15 Apr 2016 19:03:39 +0800 From: Julian Elischer <julian@freebsd.org> To: "Andrey V. Elsukov" <bu7cher@yandex.ru>, Aleksander Alekseev <afiskon@devzen.ru>, freebsd-hackers@freebsd.org Subject: Re: A few stupid questions regarding MBR and boot0 Message-ID: <5710CA8B.80102@freebsd.org> In-Reply-To: <570F92D8.1000405@yandex.ru> References: <20160414144849.7a08b1db@fujitsu> <570F92D8.1000405@yandex.ru>
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On 14/04/2016 8:53 PM, Andrey V. Elsukov wrote: > On 14.04.16 14:48, Aleksander Alekseev wrote: >> 1) If I understand correctly first 512 bytes of /dev/ad0 >> and /boot/boot0 file should match, but they don't: >> >> http://afiskon.ru/s/31/665dc9755c_mbr.txt >> >> Could someone please explain why they don't match? > https://www.freebsd.org/cgi/man.cgi?gpart#BOOTSTRAPPING > As Alan said, there two alternate boot sectors.. the original, and an enhanced one htat allow syou to select from a compiled in menu. The one that has 'inux' 'reeBSD' in it is the menu one. man boot0cfg
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