On Fri, 27 Feb 1998, HELMUT LEINFELLNER wrote:

: Nathan E Norman wrote:
: > 
: > On Fri, 27 Feb 1998, HELMUT LEINFELLNER wrote:
: > 
: > : Hi !
: > :
: > : Just wanted to let you know that I can finally run both Win95 and Linux
: > : on different partitions. The key to this was to put the DOS partitions
: > : FIRST.
: > : The only thing still to solve right now is this:
: > : DOS fdisk gives:
: > :
: > : 1 PRI DOS YESHUA 1000 FAT16 100%
: > : 2 EXT DOS        1000       100%
: > : 3 Non-DOS          64        23%
: > : 4 Non-DOS        2047       100%
: > :
: > : Partition 3 + 4 are Linux swap and Linux native, respectively.
: > : DOS fdisk recognises the primary DOS partition (1), but not the extended
: > : one (2). (This one is split into 4 logical partitions, each 250 MB
: > : size.)
: > :
: > : Can anyone help ?
: > 
: > I'm hopping into this thread, so if I missed something from before,
: > sorry.
: > 
: > What are the cylinder numbers on partition 2?  If you used NORMAL
: > mapping, which I seem to recall you did, DOS isn't going to be pleased
: > with a partition that has cylinder numbers > 1024.
: 
: I forgot to add my question :)
: 
: Does this mean I can't use two DOS paritions if the first one is already
: 1000 MB big ?
: 
: Hemut

Well, maybe.  Here's the problem, as I understand it.  DOS doesn't like
partitions that cross the 1024 cylinder boundary - if your partition
starts at, say, cylinder 950 and ends at cylinder 1200, DOS will see
cylinders 950-1024, and that's it.  It won't see any partitions that
begin on a cylinder greater than 1024.

So, if your first partition is using up all the cylinders to 1024,
you're out of luck.

(What I was asking in my last email is which cylinder does each
partition begin and end on ... if you're running normal mode you're
alomost certainly bumping into the 1024 limit).

--
Nathan Norman
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