[H-GEN] where does linux load first in memory?

Timothy J Hitchens tim at hitcho.com.au
Tue Apr 3 23:11:16 EDT 2001


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Firstly crashing is more than likely becasue of incompat memory in each slot
so the best
way I have found over the years is to try installing the first floppy of
Windows NT it
will not like even a little hardware problem and crash if so that is the
memory
problem.  Linux will install as does Win98 with suspect memory!

On the other side of which memory is used first under Linux well this is set
by
two things one being the compile of the kernal and memory mangement and the
other being sysctl settings.  Remember that Linux can operate on a PDA to
the space shuttle so it has had some very interesting memory management
at a hard core (code level) for some time.


Hitcho
tim at hitcho.com.au

-----Original Message-----
From: lists.humbug.org.au Mailing List Manager
[mailto:mdlishum at zerlargal.humbug.org.au]On Behalf Of Darrin Mison
Sent: Wednesday, 4 April 2001 12:37 PM
To: general at lists.humbug.org.au
Subject: [H-GEN] where does linux load first in memory?


Been reading Mueller's Upgrading and Repairing PC's 12ed and discovered
that most intel-esque cache controllers can only cache the first 64Meg of
RAM.  According to Mueller Win9x and NT load into the top of the memory
first (don't know why) so unless you need it you really shouldn't use more
than 64Meg in order to maximise performance.

We pulled 32 of the 96meg of ram out of my flatmates win98 machine a
couple of days ago and quake3 now runs for more than 3 or 4 minutes
without crashing (actually q3 hasn't crashed since), it is a little
slower to start though (I think).  Overall the stability of the
machine seems to have really picked up.

So my question is: does linux load into the top of the memory first as
well?  And does anyone know why?

--
Darrin Mison
--
Look ere ye leap.
		-- John Heywood


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