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Date:      Wed, 24 Sep 2003 17:11:49 +0200
From:      "radu.florin" <radu.florin@free.fr>
To:        questions@freebsd.org
Subject:   Disk geometry
Message-ID:  <oprv0e5zum43dlnc@smtp.free.fr>

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Hi,

I'm testing the coexistence of Win95, Linux Slackware and Free BSD 5.1
on a single physical disk PC ( P133, 16Mo RAM, 3 GO dd).
Just the time to see if I can boot to the OS I want to use.
Then to install on a PC with 384 Mo RAM a 40 Go dd
On the P133 I'm testing, all is working fine with Win and Slack.
Slack boot lets me go to Win or Linux without any problem.
I installed also a minimal FreeBSD in good conditions.
But I have no access at it...
Slack boot don't see it.
And if I accept-when installing Free BSD - one of his boots (MBR or SB)
I can't have no Win, no Slack, neither FreeBSD. It displays the usual 
choice F1, F2... but no one works (just screaming).
It seems to be a dd geometry problem.
The sfdsk of Slack, displays so the partitions:

--------------------------------------------------------

Disk /dev/hda: 785 cylinders, 128 heads, 63 sectors/track
Units = cylinders of 4128768 bytes, blocks of 1024 bytes, counting from 0
 
   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/hda1          0+    207     208-  838624+   6  FAT16
end: (c,h,s) expected (207,127,63) found (1023,13,63)
partition ends on cylinder 1023, beyond the end of the disk
/dev/hda2        208     216-    9-   32634   82  Linux swap
start: (c,h,s) expected (208,0,1) found (1023,255,63)
end: (c,h,s) expected (216,11,63) found (1023,14,63)
partition ends on cylinder 1023, beyond the end of the disk
/dev/hda3   *    216+    470-  254- 1023907+  a5  FreeBSD
start: (c,h,s) expected (216,12,1) found (1023,255,63)
end: (c,h,s) expected (470,4,63) found (1023,14,63)
partition ends on cylinder 1023, beyond the end of the disk
/dev/hda4        470+    785-  316- 1272442+  83  Linux
start: (c,h,s) expected (470,5,1) found (1023,255,63)
end: (c,h,s) expected (785,79,63) found (1023,14,63)
partition ends on cylinder 1023, beyond the end of the disk
/dev/hda5        216+    281-   66-  262144  /dev/hda6        281+    289-  
9-   32768  /dev/hda7        289+    354-   66-  262144  /dev/hda8        
354+    419-   66-  262144  /dev/hda9        419+    470-   51-  204707+ --- 
--
------------------------------------------------- ---------------------

I don't have valuable data on this system, so I can wipe of all the OS
and start to re-partition.
In that case what tool to use ? The old MS fdisk ? Is it necessary
to choose some particular parameters ?

Thank you for a suggestion,
Florin
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