Date: Sun, 16 Apr 2006 22:11:28 -0400 From: Amanda Babcock Furrow <alb@quandary.org> To: freebsd-questions@freebsd.org Subject: boot0: is booting from non-BIOS-recognized disk possible? Message-ID: <20060417021128.GA5028@panix.com>
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I have read the boot0cfg, disklabel (I have FreeBSD 4.9), and fdisk manpages trying to figure out if boot0 can solve my problem. I did not find the answer there, or in http://www.freebsd.org/doc/faq/disks.html or the freebsd-questions archives. I would like to be able to boot from my Seagate ST3120814A, which is not compatible with my BIOS (Award Modular BIOS v4.51PG, BIOS string 08/21/97-580VPX-VIA83669-2A5LD000C-00, VT 580VX MMX motherboard). The BIOS, for which no update was ever issued, will hang during disk detection unless I disable the Seagate by setting it to "None" in the BIOS (as opposed to "Auto" and "User", which hang). However, once I boot FreeBSD from an older disk, the Seagate is detected as /dev/ad3 and partitions from it can be mounted. I understand that boot0 can be configured to boot from a second disk using the -s 5 argument of boot0cfg. However, the boot0cfg man page does not go into great detail. Can boot0 boot from a disk which is disabled in BIOS but accessible from FreeBSD, or only from disks which the BIOS is able to detect? Thanks, Amanda
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