HP rp7440 Site Preparation Guide, Fourth Edition - HP Integrity rx7640 and HP - Page 24

PCI-X Board to CellBoard Block Diagram, Table 1-3 PCI-X paths for Cell 0

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board 0 and cell board 1 communicates through an SBA over the SBA link. The SBA link consists of both an inbound and an outbound link with an effective bandwidth of approximately 11.5 GB/sec. The SBA converts the SBA link protocol into "ropes." A rope is defined as a high-speed, point-to-point data bus. The SBA can support up to 16 of these high-speed bi-directional rope links for a total aggregate bandwidth of approximately 11.5 GB/sec. Each LBA acts as a bus bridge, supporting either one or two ropes and capable of driving 33 MHz or 66 MHz for PCI cards. The LBAs can also drive at 66 MHz or 133 MHz for PCI-X cards, and at 266 MHz for PCI-X mode 2 cards installed in mode 2 capable slots. Figure 1-12 PCI-X Board to Cell Board Block Diagram Cell Board Cell Controller (CC) Cell Board Cell Controller (CC) LBA System Backplane LBA System Bus Adapter (SBA) System Bus Adapter (SBA) LBA 1 LBA 2 LBA 4 LBA 6 LBA 14 LBA 12 LBA 10 LBA 8 PCI Slot 8 PCI Slot 7 PCI Slot 6 PCI Slot 5 PCI Slot 4 PCI Slot 3 PCI Slot 2 PCI Slot 1 LBA 1 LBA 2 LBA 4 LBA 6 LBA 14 LBA 12 LBA 10 LBA 8 PCI Slot 8 PCI Slot 7 PCI Slot 6 PCI Slot 5 PCI Slot 4 PCI Slot 3 PCI Slot 2 PCI Slot 1 Table 1-3 and Table 1-4 list the mapping of PCI-X slots to boot paths. The cell column refers to the cell board installed in the server in cell slot 0 and in cell slot 1. Table 1-3 PCI-X paths for Cell 0 Cell PCI-X Slot IO Chassis Path 0 1 0 0/0/8/1 0 2 0 0/0/10/1 0 3 0 0/0/12/1 0 4 0 0/0/14/1 0 5 0 0/0/6/1 0 6 0 0/0/4/1 0 7 0 0/0/2/1 0 8 0 0/0/1/1 24 HP Integrity rx7640 Server and HP 9000 rp7440 Server Overview

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board 0 and cell board 1 communicates through an SBA over the SBA link. The SBA link consists
of both an inbound and an outbound link with an effective bandwidth of approximately 11.5
GB/sec. The SBA converts the SBA link protocol into “ropes.” A rope is defined as a high-speed,
point-to-point data bus. The SBA can support up to 16 of these high-speed bi-directional rope
links for a total aggregate bandwidth of approximately 11.5 GB/sec. Each LBA acts as a bus
bridge, supporting either one or two ropes and capable of driving 33 MHz or 66 MHz for PCI
cards. The LBAs can also drive at 66 MHz or 133 MHz for PCI-X cards, and at 266 MHz for PCI-X
mode 2 cards installed in mode 2 capable slots.
Figure 1-12 PCI-X Board to CellBoard Block Diagram
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Table 1-3
and
Table 1-4
list the mapping of PCI-X slots to boot paths. The cell column refers to
the cell board installed in the server in cell slot 0 and in cell slot 1.
Table 1-3 PCI-X paths for Cell 0
Path
IO Chassis
PCI-X Slot
Cell
0/0/8/1
0
1
0
0/0/10/1
0
2
0
0/0/12/1
0
3
0
0/0/14/1
0
4
0
0/0/6/1
0
5
0
0/0/4/1
0
6
0
0/0/2/1
0
7
0
0/0/1/1
0
8
0
24
HP Integrity rx7640 Server and HP 9000 rp7440 Server Overview