Date: Fri, 6 Jan 95 11:48:47 MST From: terry@cs.weber.edu (Terry Lambert) To: gvrooij@mmra1.ms.philips.nl (Guido van Rooij) Cc: freebsd-hackers@freefall.cdrom.com, gvrooij@muxgw1.ms.philips.nl Subject: Re: 32 heads for enhanced IDE!? Message-ID: <9501061848.AA20156@cs.weber.edu> In-Reply-To: <9501061222.AA26078@mmra1.ms.philips.nl> from "Guido van Rooij" at Jan 6, 95 01:22:46 pm
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> I am trying to help out a friend here that has problems installing 2.0R on > an enhanced IDE drive. I hope to find an answer as his company wants to > start using FreeBSD. I am afraid they will go on with Linux otherwise. > > In his BIOS setup, he entered 1048 cylinders, 16 heads and 63 sectors/track > > IDE_CONF reports: > Cyl Hds S/T > Bios reports 524 32 63 > Controller 1048 16 63 before reset > ,, ,, ,, ,, after reset > > The strange thing is the fact that the Bios reports something that is different > from its own setup!? The bios is an AMI one (on a P90 board). Typically Enhanced IDE operates by stealing a bit from one quantity to give to the other. The BIOS quantity *is* the translated view, taking this into account. There is a nice long Byte article on the whole thing. Terry Lambert terry@cs.weber.edu --- Any opinions in this posting are my own and not those of my present or previous employers.
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