Lenovo System x3550 M4 Installation And Service Manual page 39

Figure 14. Server components
Blue on a component indicates touch points, where you can grip the component to remove it from or install
it in the server, open or close a latch, and so on.
Orange on a component or an orange label on or near a component indicates that the component can be
hot-swapped, which means that if the server and operating system support hot-swap capability, you can
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Chapter 2 Installing optional devices