Sun Microsystems Sun Fire X4450 Service Manual page 21

Power Distribution/Fan Module Components
FIGURE 1-5
Figure Legend
1
2
3
4
Note – System cooling might be affected by dust and contaminant build-up. It is
recommended that systems be opened and checked approximately every six months,
or more often in dirty operating environments. Check system heat sinks, fans, and air
openings. If necessary, clean systems by brushing or blowing contaminants or
carefully vacuuming contaminants from the system.
Paddle Card
Power Distribution Board/Bus Bar Assembly
Paddle Card
Power Supplies
5 Fan Modules
6 Fan Boards
7 Air Baffle
8 Memory Tray
Chapter 1 Sun Fire X4450 Server Overview 1-9