From owner-freebsd-hackers Thu Jun 15 11:26:20 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id LAA04480 for hackers-outgoing; Thu, 15 Jun 1995 11:26:20 -0700 Received: from gndrsh.aac.dev.com (gndrsh.aac.dev.com [198.145.92.241]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id LAA04473 for ; Thu, 15 Jun 1995 11:26:17 -0700 Received: (from rgrimes@localhost) by gndrsh.aac.dev.com (8.6.11/8.6.9) id LAA03037; Thu, 15 Jun 1995 11:26:03 -0700 From: "Rodney W. Grimes" Message-Id: <199506151826.LAA03037@gndrsh.aac.dev.com> Subject: Re: HD Geometry dirty trick To: rashid@haven.ios.com (Rashid Karimov.) Date: Thu, 15 Jun 1995 11:26:03 -0700 (PDT) Cc: hackers@freebsd.org In-Reply-To: <199506151324.JAA24680@haven.ios.com> from "Rashid Karimov." at Jun 15, 95 09:24:35 am X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 661 Sender: hackers-owner@freebsd.org Precedence: bulk > > Hi there folx, > > > I've found that using "basic" geometry of 1023/64/32 > for SCSI HD with 1Gb capacity and just adjusting the first > value for other capacities , one can get painless install . > Foe example , if you install 4Gb HDD - we multiply 1023 by 4 > and use 4092/64/32 Geometry. > For 300Mb SCSI disk we use (Int(1023/3.3))/64/32 and so on. Fine for Adaptec controllers, not so fine for NCR controllers that like to tranlate >1G drives to xxxx/62/34, yes that is right 62/34! -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD