HP BL680c HP local I/O technology for ProLiant and BladeSystem servers
HP BL680c - ProLiant - G5 Manual
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UPC - 884420396314
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- HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 1
HP local I/O technology for ProLiant and BladeSystem servers technology brief Abstract...2 Introduction...2 The parallel bus system...2 PCI Express technology ...3 Server topology ...4 Dual-simplex lanes ...4 8b/10b encoding...5 Performance ...5 Backward compatibility ...6 Form factors ...6 PCI - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 2
the performance and RAS (reliability, availability, and serviceability) features of PCI technology in servers. PCI-X 1.0 leveraged the wide acceptance of the PCI bus and doubled the maximum bandwidth to 1066 MB/s with a 64-bit, 133-MHz bus. In 2002, the PCI-SIG extended the PCI-X 1.0 specification - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 3
Figure 1. Typical parallel bus architecture CPU DRAM DRAM Memory Controller Standard Peripherals (KB, video, mouse, etc.) iLO I/O Bridge I/O Bridge RAID Controller NIC PCI-X 100-MHz Slots PCI-X 133 Slots The PCI and PCI-X specifications maintain full forward and backward compatibility with - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 4
PCIe ports in the system. Figure 2. System architecture with PCI Express DRAM CPU Memory Controller I/O Hub PCIe Root Complex RAID Controller NIC x4 x4 x8 PCIe/PCI-X Bridge x4 x4 PCIe Slots PCI-X 133 Slots Dual-simplex lanes A PCI Express serial link consists of one or more dual-simplex - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 5
a 10-Gb Ethernet device, and a x8 link will support the high-speed server I/O peripherals that are expected to exist through the end of the decade. PCI-SIG is currently researching and defining specifications for a PCI Express 3.0 architecture. PCI Express 3.0 will support a bit rate of 8 GT/s (Giga - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 6
PCI Hot Plug mechanisms. PCI Express is not compatible with PCI at the board or connector level. Form factors The PCI Express specification includes a range of form factors and connector sizes. Connector sizes include the following: • x1 connector for desktop I/O • x4 and x8 connectors for server - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 7
height full length card - which is the same size as today's PCI cards - as well as some additional options. Some desktop cards with a x1 connector may be standard height but a maximum of half length. These cards are limited to a maximum power of 10 W. A low-profile card, which is half length, half - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 8
Operation x16 Operation It is HP's design philosophy to provide larger ProLiant server. 75 Watt and 150 Watt PCI Express slots In general, the PCI Express specification calls for slots to support up to 25-watt power consumption for each add-in card. In order to support the emerging high performance - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 9
to deliver more than 75 watts of total power, the additional power must be delivered using a specific external connection between the system board and the card itself. HP is beginning to implement a limited number of 75-watt slots into some of the ProLiant server line. As for the 150-watt slot - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 10
order to take full advantage of the performance and reliability improvements that can be gained. Intel VT-d and AMD IOMMU are expected to be incorporated into HP products with the release of the next generation of the corresponding HP ProLiant servers. IOV - I/O Virtualization at the endpoint While - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 11
compatibility with PCI-X 133. This allows ProLiant server customers to install new higher bandwidth cards (for example, dual 4-Gb Fibre Channel, x4 InfiniBand, and 10-Gb Ethernet) using PCI Express technology. At the same time, continued HP support of PCI-X allows ProLiant server customers to - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 12
I/O subsystem for a ProLiant server to be configured in one of three distinct ways: • As PCI-X slots to provide performance, and investment protection. HP demonstrates its commitment by providing an ongoing transition path to PCI Express technology as well as support for other emerging server - HP BL680c | HP local I/O technology for ProLiant and BladeSystem servers - Page 13
Topic Server virtualization technologies for HP BladeSystem and HP ProLiant servers (technology brief) Intel VT-d technology discussion in the Intel Technology Journal HP Virtual Connect technology primer (12 page brochure) Resource Hyperlink http://h20000.www2.hp.com/bc/docs/support/SupportManual
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HP local I/O technology for ProLiant and BladeSystem
servers
technology brief
Abstract
..............................................................................................................................................
2
Introduction
.........................................................................................................................................
2
The parallel bus system
.........................................................................................................................
2
PCI Express technology
........................................................................................................................
3
Server topology
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4
Dual-simplex lanes
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4
8b/10b encoding
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5
Performance
....................................................................................................................................
5
Backward compatibility
....................................................................................................................
6
Form factors
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6
PCI Express card interoperability
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8
75 Watt and 150 Watt PCI Express slots
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8
Emerging hardware support for I/O Virtualization
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9
Intel VT-d and AMD IOMMU
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9
IOV – I/O Virtualization at the endpoint
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10
HP Virtual Connect
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11
Ongoing ProLiant server transition strategy
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11
Conclusion
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12
For more information
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13
Call to action
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