User manual

B-36 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
FIGURE B-32 Backplane (BP_B)
The BP has the following characteristics.
■ Only cold replacement is available for the BP.
■ Since there are no crossbar units for the M8000, such electronic devices as LSI for
crossbar switches (XB) are mounted on BP_A.
■ BP_B, which consists of connectors and mechanical components only, has no
electronic devices.
■ The BP for SPARC Enterprise has a label bearing the printed component number
and manufacture's serial number.