September 4, 2008 at 11:26 am
Hi,
Can any body tell me what exactly is 3GB Switch used for? Is it for system with more than 16GB of ram or less than and why?
Thanks,
September 4, 2008 at 11:39 am
I wnet back and forth on /3GB and AWe for a while. Here's a link that should help. May not tell you EXACTLY what you're asking but it should help you make an informed decision on how to use it (or not).
http://qa.sqlservercentral.com/Forums/Topic548616-5-1.aspx
-- You can't be late until you show up.
September 4, 2008 at 11:42 am
The /3GB and /userva parameters are valid only on boot entries for 32-bit versions of Windows on computers with x86 or x64-based processors.
September 4, 2008 at 2:52 pm
rc0776 (9/4/2008)
Is it for system with more than 16GB of ram
it shouldnt be used on machines with over 16GB RAM (in fact it could be nearer 12GB RAM)
if your machine has up to 4GB RAM use the /3GB switch
if the machine has between 4 - 8GB RAM use /PAE and /3GB
if the machine has 16GB RAM or more use just /PAE
really if the machine has over 12GB RAM you dont want to use /3GB. In the worst case it can cause the OS to be starved of memory
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