Date: Thu, 28 Jan 1999 22:17:14 +0200 (SAT) From: Robert Nordier <rnordier@nordier.com> To: Hilgardth@t-online.de (Adrian Horatiu Hilgardth) Cc: freebsd-stable@FreeBSD.ORG Subject: Re: boot manager feat. high-resolution grafx supports FreeBSD partitions Message-ID: <199901282017.WAA00631@ceia.nordier.com> In-Reply-To: <3.0.1.32.19990128192232.00688dfc@t-online.de> from Adrian Horatiu Hilgardth at "Jan 28, 99 07:22:32 pm"
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Adrian Horatiu Hilgardth wrote: > I've written a boot manager that supports DOS, > Linux and of course FreeBSD partitions. > Unfortunately I don't know anything about the > FreeBSD boot process. I just look for a > partition id of 0xa5 and if it has the bootable > flag set I load its first sector and jump to it. > It works for DOS and for Linux (except that > Linux doesn't set bootable flags so you have to > set it manually using fdisk). Could you please > tell me more about the way FreeBSD boots? FreeBSD expects the DL register to contain the BIOS drive number, and, where this is >= 0x80 (hard drive), that sector 0 of the disk will contain a valid MBR with at least one 0xa5 partition, preferably marked active. -- Robert Nordier To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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