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APPENDIX
A
Mapping Device Path Names
This appendix describes how to map device path names to physical system devices.
It contains these sections:
■ Device Mapping and Logical System Board Numbers
■ CPU Mapping
■ I/O Device Mapping
Device Mapping and Logical System
Board Numbers
The physical address represents a physical characteristic that is unique to the device.
Examples of physical addresses include the bus address and the slot number. The slot
number indicates where the device is installed.
The logical system board (LSB) number affects both the processor numbering and the
I/O device paths in the server. Physical resources are assigned to LSBs in the
specified domain using the setdcl command. It is the LSB numbers that the Solaris
OS uses.
CPU Mapping
Each LSB on a midrange or high-end server has a bank of 32 processor numbers
assigned to it. For entry-level servers, the bank holds eight processors. The SPARC64
VI processor has two cores, each with two threads (also known as virtual processors).
The SPARC64 VII processor has two cores or four cores, each with two threads.
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