HP Rx2620-2 Support Question

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Question posted by syedfurquanalam on July 24th, 2011

Upgrading Memory From 8 To 32gb On Hp Rx 2660 Server

Hi, Currently I am using a rx 2660 server having 8GB of memory. Now I want to upgrade it to 32GB. Would like to know if any problems occurs in upgrading it to maximum of 32 GB. Do I need to change some configuratio also like swap memory etc? Will it show the full memory install bcoz i read on some threads that it will not show the full memory installed. Please help me out.

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Answer #1: Posted by kcmjr on July 24th, 2011 12:42 AM

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According to the system specs this server supports no more than 24 gigs of RAM.

In order to see and use the full amount of RAM you must use a 64 bit OS. If using Windows you can either adjust the page file to 4 gig or not use one at all. Adjusting the page file to more than 4 gig has no increase in performace on 64 bit OS's and will gain you nothing. With the full amount of RAM populated you can run without a page file if you don't care about memory dumps.

HP QuickSpecs can be downloaded from here: http://www8.hp.com/V2/ErrorPages/error404.aspx

Memory Loading Rules and Performance Guidelines:
Memory must be installed in groups of four DIMMs, also known as quads.
Each quad must consist of equal density DIMMs
Memory can be ordered in quads of 1 GB (4×256 MB), 2 GB (4×512 MB), 4 GB (4×1 GB), or
8 GB (4×2 GB)
Minimum memory is 1 GB (4×256 MB)
Maximum memory is 24 GB (12×2 GB)
Memory must be loaded in the specific order outlined on the system board.
Each quad of memory is loaded across both memory buses (two DIMMs on each bus) to ensure
maximum bandwidth and performance
Total memory bandwidth is 8.5 GB/s, split across two 4.25 GB/s memory buses
Open page memory latency is 80 nanoseconds

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