HP ProLiant DL585 G5 server technology, 1st edition

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HP ProLiant DL585 G5 server technology

technology brief

Abstract.............................................................................................................................................. 2

Introduction......................................................................................................................................... 2

Operating system support ..................................................................................................................... 2

DL585 G5 architecture......................................................................................................................... 3

Quad-core AMD Opteron processors ................................................................................................. 4

nVidia NForce Professional 2200 and 2050 chipsets .......................................................................... 4

Memory technologies ....................................................................................................................... 5

I/O technologies.............................................................................................................................. 6

Storage technologies ........................................................................................................................ 7

Serial Attached SCSI (SAS)............................................................................................................ 7

Smart Array SAS P400 Controller .................................................................................................. 7

Networking technologies .................................................................................................................. 7

TCP Offload Engine...................................................................................................................... 7

Receive Side Scaling (RSS) ............................................................................................................ 8

Accelerated iSCSI ........................................................................................................................ 8

Server management technologies....................................................................................................... 8

Power management technology ......................................................................................................... 9

Conclusion.......................................................................................................................................... 9

For more information.......................................................................................................................... 10

Call to action .................................................................................................................................... 10

Summary of content (10 pages)

PAGE 1
HP ProLiant DL585 G5 server technology technology brief Abstract.............................................................................................................................................. 2 Introduction......................................................................................................................................... 2 Operating system support .....................................................................................................................
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Abstract The fifth generation (G5) HP ProLiant DL585 server offers the performance and efficiency of quad-core AMD Opteron® processors, enhanced by improvements to all major subsystems in the server. This paper explains the technologies implemented in the HP ProLiant DL585 G5 server that make it an excellent choice for enterprise customers needing increased performance and investment protection with a 64-bit migration path.
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DL585 G5 architecture The DL585 G5 is a powerful, 4U enterprise server incorporating technologies that extend the capabilities of industry-standard x86 computing. This server provides high performance and the capability of running both 32-bit and 64-bit applications simultaneously with no performance penalty when using an operating system that supports 64-bit extensions. This is possible because the AMD64 instruction set is a super-set containing the x86 instruction set architecture.
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Quad-core AMD Opteron processors The AMD 8300-series quad-core processor includes four separate microprocessor cores on one physical die (Figure 2). AMD quad-core technology delivers high performance and reduced latency for multi-threaded and multi-tasking environments.
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processors with an additional 16-bit, 1-GHz HyperTransport connection. In addition to supporting system devices and USB ports, the 2200 offers an additional PCIe x4 slot and two PCIe x8 slots. Memory technologies Typical multiprocessor PC server architecture connects IA-32 processors to memory DIMMs by means of a north bridge chip, which provides the memory controller function. However, in AMD Opteron architecture, the memory controller is integrated into the processor chip for enhanced performance.
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I/O technologies The DL585 G5 supports two types of I/O expansion slots: PCI-X and PCI Express. The server includes two 64-bit, 100-MHz, PCI-X slots (one full length, one half length) that provide a 64-bit, 100-MHz interface for expansion devices. PCI Express (PCIe) is an expansion bus technology that builds upon earlier PCI technology, but it uses a serial interface rather than the traditional parallel PCI bus. A PCIe interface 3 can support one or more lanes, as determined by the PCIe slot.
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Storage technologies The DL585 G5 has an updated disk subsystem and includes the Smart Array SAS P400 Controller. Serial Attached SCSI (SAS) The peak data transfer rate for the current generation of SAS drives 4 is 3 gigabits per second in full duplex mode. In a serial system, the devices do not share a common bus, and each device can take full advantage of the bandwidth available to it.
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stack. A busy, full-duplex gigabit Ethernet connection can consume the available computing power of a 1-GHz Pentium 4 processor. Unfortunately, this means that even a modern, high-powered processor will show degraded performance in processing application instructions while data is being transferred onto or off of the network. Computers most susceptible to this problem are application, web, and file servers that have a high number of concurrent connections.
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Power management technology The HP DL585 G5 includes HP Power Regulator, an innovative OS-independent power management tool. HP Power Regulator is a ROM-based utility that can be used to set the server to one of four power modes: • Static high power – Server runs continuously in the highest performance state. • Static low power – Server runs continuously in the lowest power state.
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For more information For additional information, refer to the resources listed below. Type of information Source Explanation of how HyperTransport technology works and the advantages it offers for system design and performance AMD white paper HyperTransport™ Technology: Simplifying System Design, October 2002 www.hypertransport.org/docs/26635A_HT_System_Design.p df Up-to-date information on operating systems and versions supported by the HP ProLiant DL585 G5 server http://www.hp.