Date: Fri, 12 Jan 2007 07:56:03 -0800 From: Jo Rhett <jrhett@svcolo.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: any real documentation of the boot2 prompt? Message-ID: <45A7AF93.1010803@svcolo.com> In-Reply-To: <200701121025.15555.jhb@freebsd.org> References: <E22808FA-5C42-443E-AA32-0DA3247077AC@svcolo.com> <09710CBA-0006-4502-B5F7-6048B290D3B8@svcolo.com> <200701121025.15555.jhb@freebsd.org>
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John Baldwin wrote: > A BIOS driver number is the number you pass to the BIOS to access a drive. > Typically drive 0x0 is a floppy drive and hard drives start at 0x80. > Usually the SCSI BIOS will list the BIOS driver number during the POST > messages and it will look like 80, 81, etc. There is no standard way > as it is at the BIOS' discretion. How do I determine this? It doesn't list them during boot. Say I boot off the CD, is there any commands I can use to determine what the BIOS numbers are? They are da0 and da1 to freebsd. > To answer your question: you need to first make sure your SCSI BIOS is > registering your second disk with the BIOS. Assuming it's mapped as > drive 81, you can then use '1:da(1,a)'. If it shows up as drive 82, then > use 2:da(1,a)', etc. How does one do so? -- Jo Rhett senior geek Silicon Valley Colocation
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