Date: Sat, 04 Jul 1998 17:31:54 +0200 From: Stefan Eggers <seggers@semyam.dinoco.de> To: hackers@FreeBSD.ORG Cc: Mike Smith <mike@smith.net.au>, Percy Cheng <percy@iohk.com>, seggers@semyam.dinoco.de Subject: Re: About FreeBSD boot manager... Message-ID: <199807041531.RAA13559@semyam.dinoco.de> In-Reply-To: Your message of "Thu, 02 Jul 1998 21:10:50 PDT." <199807030410.VAA03762@antipodes.cdrom.com>
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> > detail on : What's mean within 1024 cylinders?? And how > > much the HDD space can be located within it?? > > This depends on your disk. Typically, it means that you're restricted > to the first 500MB of an IDE disk. But one shouldn't depend on this to be the exact number for all disks. My brothers new 5.1 GByte IDE harddisk says it has 15 heads and then the amount of space useable for bootable partitions will be smaller by a factor of 16/15. Take 1024, multiply it by the number of sectors per track and then multiply by the number of heads. To convert it to KByte divide by a factor of 2 as a sector is 512 Bytes. That's the useable space for booting in KByte. Stefan. -- Stefan Eggers Lu4 yao2 zhi1 ma3 li4, Max-Slevogt-Str. 1 ri4 jiu3 jian4 ren2 xin1. 51109 Koeln Federal Republic of Germany To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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