Appendix B
Components
B-5
FIGURE B-1
CPU/Memory Board Unit (CMU)
The CMU has the following characteristics.
■
Active maintenance of CMUs is possible using the DR function.
■
In CMU maintenance, you can replace the target in units of CMU as a whole, CPU
module, or memory. To perform active maintenance, you need to pull out the CMU from
the system before replacing the target.
■
A CMU can be installed or removed using the DR function during system operation.
■
A dedicated LSI is mounted for system control (SC) and memory access control (MAC).
■
For the bus connecting SC and SC as well as SC and crossbar unit, a high-speed link is
used.
■
For the bus connecting SC and MAC as well as SC and CPU, a high-speed link is used.
■
For the memory, DIMM is used.
■
The CMU has a label bearing the printed component number and manufacture's serial
number.
Summary of Contents for SPARC Enterprise M8000
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Page 27: ...Chapter 1 Safety and Tools 1 5 M9000 Server Front View ...
Page 29: ...Chapter 1 Safety and Tools 1 7 Power Supply Unit PSU ...
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Page 205: ...Chapter 7 I O Unit IOU Replacement 7 13 FIGURE 7 8 Removing the IOU Front of M9000 1 1 2 3 ...
Page 227: ...Chapter 8 FAN Unit Replacement 8 11 FIGURE 8 9 Removing the FAN Unit Rear of M8000 1 2 ...
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Page 409: ...Chapter 20 Backplane Replacement 20 29 FIGURE 20 16 Removing the FANBP Rear of the M8000 ...
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Page 439: ...Chapter 23 Switch Backplane Replacement 23 7 FIGURE 23 4 Removing the SWBP Rear of the M8000 ...
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