Date: Tue, 28 Nov 1995 17:57:47 +1100 From: Bruce Evans <bde@zeta.org.au> To: roberto@keltia.freenix.fr, se@zpr.uni-koeln.de Cc: FreeBSD-hackers@freebsd.org Subject: Re: Translation Adaptec 1542 versus NCR810 Message-ID: <199511280657.RAA15565@godzilla.zeta.org.au>
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>> The NCR bios ought to use the values the drive >> has been initialised with, if it has been used >> with an Adaptec before. If its a clean install, Is it as flexible as the BT445C? I.e., does it guess a geometry from whatever _valid_ values you put in the partition table? >In that case, the drive was out of the box, first configured with the >geometry displayed by the drive and it didn't boot. I then took the total Big drives are likely to have >= 64 sectors/track. Don't even think about using such a geometry. It won't fit in the partition table and neither BIOSes nor fdisks should allow you to specify it. >number of sectors, divided by the values of sect/trk and heads displayed by >"boot -v" and calculated the # of cylinders. This should always work (except in 2.0.5 which displayed the wrong number of heads and cylinders (off by one error)). Bruce
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