Mixed CMIOU Configurations
The following configurations are supported on a SPARC M7-16 server.
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CMIOU_0 and CMIOU_1 in PDomain_0,
CMIOU_4 and CMIOU_5 in PDomain_1,
CMIOU_8 and CMIOU_9 in PDomain_2, and
CMIOU_12 and CMIOU_13 in PDomain_3
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CMIOU_0 – CMIOU_3 in PDomain_0,
CMIOU_4 – CMIOU_6 in PDomain_1,
CMIOU_8 – CMIOU_10 in PDomain_2, and
CMIOU_12 – CMIOU_14 in PDomain_3
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CMIOU_0– CMIOU_3 in PDomain_0,
CMIOU_4 – CMIOU_7 in PDomain_1,
CMIOU_8 – CMIOU_11 in PDomain_2, and
CMIOU_12 – CMIOU_15 in PDomain_3
Note - The SPARC M7-16 server does not support SPARC M8 CMIOUs. See “Mixed CMIOU
Configurations” on page 86 for more information.
For information about the PCIe slots that are available in each of these configurations, see
“Understanding PCIe Card Device and Service Paths” on page 143.
Caution - To prevent overheating, fill unused CMIOU slots with CMIOU filler panels.
Related Information
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“SPARC M7-16 Configurations and Failover Behavior” on page 81
Mixed CMIOU Configurations
The SPARC M7-8 server configured with two static PDomains is the only server that supports
a mixed configuration of SPARC M7 and SPARC M8 CMIOUs. In a SPARC M7-8 server with
two static PDomains, SPARC M8 CMIOUs can be installed in PDomain_1 (slots CMIOU_4 to
CMIOU_7). SPARC M8 CMIOUs are not supported in PDomain_0 (slots CMIOU_0 to CMIOU_3) of a
SPARC M7-8 server with two PDomains.
86 SPARC M8 and SPARC M7 Servers Service Manual • September 2017
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