PCIe Card Installation Order
Servicing PCIe Cards 155
PM CPU Switch I/O Slot Root Complex Path
1 3 3 13 /pci@480/pci@1/pci@0/pci@a
1 3 3 14 /pci@480/pci@1/pci@0/pci@4
1 3 4 15 /pci@4c0/pci@1/pci@0/pci@8
1 3 4 16 /pci@4c0/pci@1/pci@0/pci@4
If you are reviewing root complex changes after adding a second processor module, return to
“Server Upgrade Process” on page 57.
Related Information
■
“Server Upgrade Process” on page 57
■
“Understanding PCIe Root Complex Connections” on page 151
■
“PCIe Root Complex Connections (Single-Processor Configurations)” on page 152
■
“PCIe Card Installation Order” on page 155
PCIe Card Installation Order
Note - Some PCIe cards are restricted to specific I/O slots to meet system cooling requirements.
Other I/O cards provide better performance when installed in particular slots. For more
information about PCIe slot restrictions for specific devices, see “I/O Slot Restrictions” in
SPARC T5-4 Server Product Notes .
For optimal load balancing, install the PCIe cards in this order:
■
For single-processor configurations:
Install PCIe cards in this PCIe slot order (single-processor configurations)
3 7 11 4 8 12 5 9 13 1 6 10 14 2
Note - In single-processor configurations, PCIe slots 15 and 16 are unavailable.
■
For dual-processor configurations:
Install PCIe cards in this PCIe slot order (dual-processor configurations)
5 9 7 11 3 13 4 14 6 10 8 12 1 15 2 16
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