Oracle SPARC M7, Service Manual, Page: 317 / 330

Glossary
A
Active SP An SP selected by Oracle ILOM to manage server resources. When an Active SP can no longer
serve this role, the Standby SP assumes its role. See also SP and Standby SP .
ASR Auto Service Request. Oracle software that provides the ability to notify Oracle Support
automatically.
B
BoB Memory buffer on board. An ASIC on a CMIOU board that transfers data between a DIMM
and a CMP.
C
CAR Label of the PCIe hot-plug carrier .
CMIOU CPU, memory, and I/O unit. Each CMIOU contains 1 CMP , 16 DIMM slots, and 1 IOH chip.
Each CMIOU also hosts an eUSB device.
CMP Chip multiprocessing. Each CMIOU contains 1 CMP. The SPARC M8-8 and SPARC M7-8
servers can contain a maximum of 8 CMPs. The SPARC M7-16 server can contain a maximum
of 16 CMPs.
CMT Chip multithreading. Processor technology enabling multiple hardware threads (also known as
strands) to execute on the same chip, through multiple cores per chip, multiple threads per core,
or through a combination of both.
Glossary 317