Pcie Card Slot Configuration And Numbering - Oracle SPARC M8 Service Manual

PCIe Card Slot Configuration and Numbering

Description
Learn how to restore an I/O domain
configuration on a logical domain.
Verify that a replaced PCIe card is
operational.
Related Information
"Identifying Components" on page 15
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"Detecting and Managing Faults" on page 35
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"Preparing for Service" on page 57
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"Controlling the Server and Domains" on page 67
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"Understanding Server Configurations and Failover Behavior" on page 79
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PCIe Card Slot Configuration and Numbering
The server supports the PCIe 16-lane format. PCIe card slots connect to root complexes in
CMPs that are mounted on CMIOUs. For more information about PCIe device root complexes,
refer to the
Each CMIOU has three slots, each of which can hold a single PCIe x16 card carrier. The slot
numbers repeat from 1 to 3 in each CMIOU, so to identify the physical location of a card
you must specify the CMIOU number, as well as the card slot number. Note that the physical
numbering for card slots starts at 1 (not 0) and ends at 3 (not 2).
Note -
slots.
Related Information
"CMIOU Configurations (SPARC M8-8 and SPARC M7-8 With Two
■
PDomains)" on page 84
"CMIOU Configurations (SPARC M8-8 and SPARC M7-8 With One
■
PDomain)" on page 85
"CMIOU Configurations (SPARC M7-16)" on page 85
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142 SPARC M8 and SPARC M7 Servers Service Manual • September 2017
SPARC M8 and SPARC M7 Servers Administration
In a PDomain, if a CMIOU fails, the DCU will lose access to the failed CMIOU PCIe
Links
"Restore a PCIe Card Configuration on an I/O
Domain" on page 161
"Verify the PCIe Card" on page 164
Guide.