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Chapter 4 Domain Configuration 51
In TABLE 4-4, the XSB board number xx is in the range of 00-15; the IOU board number
xx is the IOU board number corresponding to the XSB board number. For example, XSB
00-0 has IOU#00-PCI#0.
Domain Component List and Logical System
Boards
The domain component list (DCL) identifies the potential resources for a domain. A
single XSB can potentially belong to multiple domains. However, a single XSB can be
assigned only to one specific domain.
XSB numbers are not used in domain configuration, however. The software requires
that each XSB number “map” to a logical system board (LSB) number. Processor
numbers and I/O bridges are based on LSB numbers. Appendix A contains
additional information on LSB and device path names.
Overview of Steps for Domain Configuration
This section applies to domain configuration after installing a new board in the
system.
TABLE 4-4 Resource Assignment in Quad-XSB Mode on a High-end Server
XSB CPU DIMMs I/O
xx-0 CPUM#0 MEM#00A,B
MEM#01A,B
MEM#02A,B
MEM#03A,B
IOU#xx-PCI#0,
IOU#xx-PCI#1
xx-1 CPUM#1 MEM#10A,B
MEM#11A,B
MEM#12A,B
MEM#13A,B
IOU#xx-PCI#2,
IOU#xx-PCI#3
xx-2 CPUM#2 MEM#20A,B
MEM#21A,B
MEM#22A,B
MEM#23A,B
IOU#xx-PCI#4,
IOU#xx-PCI#5
xx-3 CPUM#3 MEM#30A,B
MEM#31A,B
MEM#32A,B
MEM#33A,B
IOU#xx-PCI#6,
IOU#xx-PCI#7