Acer Altos R920 Series - Manual (Page 81)

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Configuring cold-pluggable
components
Cold-pluggable components are the components that require the
system to be powered down before you can remove or replace them.
The cold-pluggable components installed in the server include.
• DVD drive
• 5.25-inch drive
• Processor
• Memory board assembly
• DIMM module
• PCI card
• I/O expansion module
• ARMC/3 R2 module
• SAS module
• RAID activation key and RAID cache
• RAID BBU