[cisco-voip] HP DL380 RAM

[Jason Aarons (US)]

With 32-bit you are limited by physical addressing; good reason why
Exchange 2007 runs on 64-Bit OS.

6 gig of ram requires literaly 51,539,607,552 adresses for every bit.
Thats 8 bits per byte, 1024 bytes per KB etc. It's not taking into
account any other hardware that reserves memory space. You are
17,179,869,184 short at minimum not counting other hardware.

In short 32 bit kernel will allow you to address roughly 4 gig of ram
less other reserved.

32 bit = 34,359,738,368 addresses.
64 bit = 1,099,511,627,776 addresses

http://www.vistaclues.com/reader-question-maximum-memory-in-32-bit-windo
ws-vista/


-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Reto Gassmann
Sent: Thursday, June 07, 2007 8:14 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] HP DL380 RAM

Hi all

Has anyone tried to set up a HP Server (DL380 G5 assembled according to
Cisco
recommendations) with more than 4GB RAM??

I tried to set it up with 6GB but Windows can not use more than 4GB. I
read some
articles about the 4GB Limit and how break it (/PAE Switch) but I don't
know if
that is supported (TAC).

Has anyone an idea?

Thanks Reto


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