Date: Thu, 16 Aug 2007 13:05:11 +0700 From: Victor Sudakov <sudakov@sibptus.tomsk.ru> To: freebsd-questions@freebsd.org Subject: Re: newfs_msdos -B Message-ID: <20070816060510.GA468@admin.sibptus.tomsk.ru> In-Reply-To: <200708160129.l7G1TmdU026769@eunet.yu> References: <20070815070455.GA84715@admin.sibptus.tomsk.ru> <200708160129.l7G1TmdU026769@eunet.yu>
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Nikola Lecic wrote: > > > > I need to create a bootable MS-DOS slice on a HDD. > > Where can I obtain a DOS VBR for "newfs_msdos -B" ? > > Hello Victor, > > On your place I'll just create msdos partition and install FreeDOS > (http://www.freedos.org/) there. (Actually I did use FreeDOS once to > run some ancient programs of mine, but life is easier with > emulators/dosbox). > > If you need a bootloader there, then > > http://mbrbm.sourceforge.net/ > > should work. I am quite happy with the FreeBSD bootmanager (/boot/boot0). > > However, if you need exactly m$'s dos, it's logical that you must > borrow from there (from existing m$-dos or window$-9*). A quick googling > shows that on > > http://mail-index.netbsd.org/tech-userlevel/2004/03/07/0000.html > > you can read how to borrow and how much. :) > I got the idea. Thank you. For FreeBSD, it should be like % dd if=/dev/ad0s1 of=/tmp/dos_fat16.dd bs=512 count=1 % dd if=/dev/ad0s1 of=/tmp/dos_fat32.dd bs=512 count=3 BTW about FreeDOS: how many sectors for its bootblock must I copy? I did not know that fat16 and fat32 VBRs had different size (1 sector vs 3 sectors). -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru
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