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Fix confusion between the maximal possible number of sectors per track,

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and the maximal possible number of heads.
Submitted by:	na354@fen.baynet.de (Josef Kraus)
This commit is contained in:
Joerg Wunsch 1998-11-19 19:51:54 +00:00
parent 1933d0fe22
commit c50230f75f
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=3815
1 changed files with 4 additions and 4 deletions
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8
FAQ/install.sgml
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@ -1,4 +1,4 @@
<!-- $Id: install.sgml,v 1.12 1998-10-30 23:15:03 wosch Exp $ --> <!-- $Id: install.sgml,v 1.13 1998-11-19 19:51:54 joerg Exp $ -->
<!-- The FreeBSD Documentation Project --> <!-- The FreeBSD Documentation Project -->
<sect> <sect>
@ -370,10 +370,10 @@ round-trip min/avg/max/stddev = 2.530/2.643/2.774/0.103 ms
<p>If it <tt /is/ turned on (it's often supplied this way to get around <p>If it <tt /is/ turned on (it's often supplied this way to get around
certain limitations in MSDOS) and the disk capacity is more than 1GB, certain limitations in MSDOS) and the disk capacity is more than 1GB,
use M cylinders, 63 heads (*not* 64), and 255 sectors per track, where use M cylinders, 63 sectors per track (*not* 64), and 255 heads, where
'M' is the disk capacity in MB divided by 7.844238 (!). So our 'M' is the disk capacity in MB divided by 7.844238 (!). So our
example 2GB drive would have 261 cylinders, 63 heads and 255 sectors example 2GB drive would have 261 cylinders, 63 sectors per track and
per track. 255 heads.
<p>If you are not sure about this, or FreeBSD fails to detect the <p>If you are not sure about this, or FreeBSD fails to detect the
geometry correctly during installation, the simplest way around geometry correctly during installation, the simplest way around