Component Classification
The server components are classified into three major categories:
• Hot-swappable
• Hot-pluggable
• Cold-swappable
A brief explanation of each category and the classifications for the server components follow.
Hot-Swappable Components
A component is defined as hot-swappable if you can remove it from the chassis while the server
remains operational. Hot-swappable components require no software intervention prior to removing
the component.
NOTE: Hot-swappable components are marked with red touch points.
The following are hot-swappable components:
• Fan units
• Power supplies
• Disk drive fillers
Hot-Pluggable Components
A component is defined as hot-pluggable if you can remove it from the chassis while the server
remains operational. Software intervention is required prior to removing a hot-pluggable component.
NOTE: Hot-pluggable components are marked with red touch points.
The following are hot-pluggable components:
• Disk drives
• PCI/PCI-X/PCIe cards
Cold-Swappable Components
To remove and replace cold-swappable components, or components that are neither hot-swappable
nor hot-pluggable, shut down the operating system, power off the server, and disconnect the AC
power cable. For complete instructions on shutting down the operating system and powering off
the server, see Chapter 4 (page 118).
NOTE: Cold-swappable components are marked with blue touch points.
The following are cold-swappable components:
• Front bezel
• DVD drive
• Memory carrier assembly
• Memory DIMMs
• Processor board assembly
• Dual-core processors
• I/O board assembly
• System battery
• I/O voltage regulator module
Component Classification 175
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