Date: Wed, 26 Apr 2000 23:51:47 +0200 From: Erik Trulsson <ertr1013@student.csd.uu.se> To: xvudpapc <xvudpapc@savba.sk> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: BIOS supports, systems not Message-ID: <20000426235146.A1915@student.csd.uu.se> In-Reply-To: <39075D07.A7DE86DE@savba.sk>; from xvudpapc@savba.sk on Wed, Apr 26, 2000 at 11:17:59PM %2B0200 References: <39075D07.A7DE86DE@savba.sk>
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On Wed, Apr 26, 2000 at 11:17:59PM +0200, xvudpapc wrote: > Hello, > > I have a question. My BIOS declares it knows and writes out the full > capacity of my disk (8.4 GB) in BIOS setup, > but no system is aware of it. I use BEOS, WIN98, OS/2, LINUX and > FREEBSD. Every system of these declares the disk is 8 GB big. I have a > Linux on a second disk. Is there a way I can tell FreeBSD in boot time > how many cylinders, heads and sectors to use? My FreeBSD says this: ad0 > 16383/16/63. Although this is possible to tell it in Linux to Lilo.conf > or at boot time, Linux is not my 8.4 GB disk. > Both your OS and your BIOS is correct :-) You see harddisk-manufacturers consider 1 gigabyte = 10^9 bytes while most OS have 1 gigabyte = 2^30 bytes. You see, 8GB (with 1GB=2^30 bytes) = 8.4GB (with 1GB=10^9 bytes) so nothing wrong. (And if you do the calculation you will see that 16383*16*63*512 = 8.4*10^9) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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