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HP rp7440 User Manual

HP rp7440
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to the cell controller chip on cell board 2, and the ASIC on cell location 1 connects to the cell
controller chip on cell board 3 through external link cables.
Downstream, the ASIC spawns 16 logical 'ropes' that communicate with the core I/O bridge on
the system backplane, PCI interface chips, and PCIe interface chips. Each PCI chip produces a
single 64–bit PCI-X bus supporting a single PCI or PCI-X add-in card. Each PCIe chip produces
a single x8 PCI-Express bus supporting a single PCIe add-in card.
The ropes in each I/O partition are distributed as follows:
• One PCI-X ASIC is connected to each I/O chip with a single rope capable of peak data rates
of 533Mb/s (PCIX-66).
• Three PCI-X ASICs are connected to each I/O chip with dual ropes capable of peak data
rates of 1.06Gb/s (PCIX-133).
• Four PCIe ASICs are connected to each I/O chip with dual fat ropes capable of peak data
rates of 2.12Gb/s (PCIe x8).
In addition, each I/O chip provides an external single rope connection for the core I/O.
Each PCI-Express slot on the PCI-X/PCIe I/O board is controlled by its own ASIC and is also
independently supported by its own half of the dual hot swap controller. All PCIe slots are
designed to be compliant with PCIe Rev.1.0. The PCI-Express I/O backplane will provide slot
support for VAUX3.3, SMB*, and JTAG.
PCI-X/PCIe Slot Boot Paths
PCI-X/PCIe slot boot paths are directly leveraged from the PCI-X backplane. See Table 1-3
(page 30) and Table 1-4 (page 31) for more details.
NOTE: The differences between the PCI X backplane and the PCI-X/PCIe backplane are as
follows:
• Twelve ropes are bundled in two rope pairs to 6 LBAs to support 6 slots for PCI and PCI-X
cards instead of 14. These ropes are capable of 133MHz.
• Sixteen ropes are bundled into dual fat ropes to 8 LBAs to support 8 additional slots for
PCIe cards. These ropes are capable of 266MHz.
Table 1-6 PCI-X/PCIe Slot Types
PCI Mode
Supported
Supported
CardsRopes
Maximum Peak
BandwidthMaximum MHz
Slot
1
I/O Partition
PCI or PCI-X
Mode 1
3.3 V001533 MB/s668
2
0
PCI or PCI-X
Mode 1
3.3 V002/0031.06 GB/s1337
PCI-e3.3 V004/0052.13 GB/s2666
PCI-e3.3 V006/0072.13 GB/s2665
PCI-e3.3 V014/0152.13 GB/s2664
PCI-e3.3 V012/0132.13 GB/s2663
PCI or PCI-X
Mode 1
3.3 V010/0111.06 GB/s1332
PCI or PCI-X
Mode 1
3.3 V008/0091.06 GB/s1331
Detailed Server Description 33

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HP rp7440 Specifications

General IconGeneral
BrandHP
Modelrp7440
CategoryServer
LanguageEnglish

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