Compaq BL10e - HP ProLiant - 512 MB RAM Update Manual
Iss technology update, volume 8, number 4
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ISS Technology Update
ISS Technology Update
Volume 8, Number 4
Keeping you informed of the latest ISS technology
Recently published industry standard server technology papers ............................................................... 1
Optimizing memory performance in ProLiant G6 Intel-based servers ........................................................ 2
Unbuffered DDR-3 DIMMs are a cost-effective solution for ProLiant G6 servers ......................................... 5
The transition from Megahertz to Gigatransfers ........................................................................................ 6
Meet the Expert-Robert Elliott ................................................................................................................... 7
Contact us .................................................................................................................................................. 8
Recently published industry standard server technology papers
Title
Technology and architecture of HP ProLiant 300-series
generation six servers technology brief
Implementing Microsoft Windows Server 2008 R2
Release Candidate on HP servers integration note
Implementing Microsoft Windows Server 2008 Hyper-V™
on HP ProLiant servers integration note
Technology and architecture of HP ProLiant 100-series
G6 (Generation 6) servers technology brief
Implementing Microsoft Windows Server 2008 SP2
Release Candidate on HP servers integration note
Serial Attached SCSI storage technology, 2
technology brief
Industry standard server technical papers can be found at www.hp.com/servers/technology.
URL
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c005026
16/c00502616.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c016395
94/c01639594.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c015161
56/c01516156.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c017517
18/c01751718.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c007106
06/c00710606.pdf
nd
Edition
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c016134
20/c01613420.pdf
Volume 8, Number 4
1
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Summary of Contents for Compaq BL10e - HP ProLiant - 512 MB RAM
- Page 1 ISS Technology Update Volume 8, Number 4 ISS Technology Update Volume 8, Number 4 Keeping you informed of the latest ISS technology Recently published industry standard server technology papers ............... 1 Optimizing memory performance in ProLiant G6 Intel-based servers ............2 Unbuffered DDR-3 DIMMs are a cost-effective solution for ProLiant G6 servers .........
- Page 2 ISS Technology Update Volume 8, Number 4 Optimizing memory performance in ProLiant G6 Intel-based servers To achieve higher performance and better efficiency, the new HP ProLiant G6 servers featuring the Intel® Nehalem architecture use a memory architecture that is significantly different than previous generations of servers. Comparing traditional and non-uniform memory architecture In traditional server memory architecture, memory controllers are part of the server chipset, and physical memory is attached to these through the memory channels.
- Page 3 ISS Technology Update Volume 8, Number 4 Figure 1-2. Intel Nehalem architecture with NUMA Understanding and optimizing memory performance in G6 servers With Intel Nehalem architecture, each processor has its own memory controller and three memory channels that it controls directly.
- Page 4 ISS Technology Update Volume 8, Number 4 Figure 1-3a. Diagram of physical arrangement of 12 DIMM sockets in an HP ProLiant Intel-based G6 system with 2 processors DIMM 6 DIMM 6 DIMM 5 DIMM 5 DIMM 4 DIMM 4 DIMM 3 DIMM 3 DIMM 2 DIMM 2...
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Page 5: Additional Resources
ISS Technology Update Volume 8, Number 4 Unbuffered DDR-3 DIMMs are a cost-effective solution for ProLiant G6 servers HP ProLiant G6 servers support Double Data Rate-3 (DDR-3) Synchronous Dynamic Random Access Memory (SDRAM) technology. DDR-3 SDRAM technology doubles the peak bandwidth of DDR-2 when operating at the same memory bus frequency. - Page 6 ISS Technology Update Volume 8, Number 4 The transition from Megahertz to Gigatransfers Traditional front side bus architecture The front side bus (FSB) has been the traditional interconnect between processors and the system chipset. The FSB is unidirectional and it is shared by all of the devices (processors and chipset) that are attached to it. The FSB in Intel processor- based systems is clocked at a frequency (speed) of 266 MHz, 333 MHz or 400 MHz.
- Page 7 ISS Technology Update Volume 8, Number 4 Meet the Expert—Robert Elliott Robert Elliott is a Master Architect with the HP Industry Standard Server Platform Architecture Team. Over his 15-year career, he has become widely respected within HP and in the server storage industry. Rob represents HP in the T10 Technical Committee of the InterNational Committee on Information Technology Standards (INCITS, pronounced "insights‖), and he has served as the editor of several standards including Serial Attached SCSI (SAS).
- Page 8 ISS Technology Update Volume 8, Number 4 Contact us Send comments about this newsletter to TechCom@HP.com. To subscribe to the ISS Technology Update newsletter, click mailto:techcom@hp.com?subject=newsletter_subscription Legal Notices © Copyright 2009Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
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