Figure 1 I/O Subsystem Block Diagram
Figure 2 (page 18) is a block diagram of the PCI/PCI-X/PCIe I/O subsystem.
Figure 2 PCI/PCI-X/PCIe I/O Subsystem Block Diagram
PCI/PCI-X IOBP
On the 10 slot PCI/PCI-X IOBP there are a total 8 Public slots (PCI-X mode1/2), 2 Private Fast-core
slots (PCI-X mode1), and 1 Private Slow-core UCIO slot (PCI 32-bit/33-MHz). The eight Public slots
are further subdivided into three speed/bandwidth configurations:
• Four PDHP (Public Dual Hot-plug), which operate at 64-bit/66-MHz PCI-X
• Two PSHP-SDR (Public Single Hot-plug - Single Data Rate), operating at 64-bit/133-MHz PCI-X
• Two PSHP-DDR (Public Single Hot-plug - Double Data Rate), at 64-bit/266-MHz (133-MHz
double clocked) PCI-X mode2
18 Overview
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