HP Compaq KB-9965 311059-041 User Manual

Product codes
311059-041
Page of 139
Removal and Replacement Procedures 
Hot-Plug Procedures 
You can perform removal/replacement procedures for some server components without 
powering down the server. The following removal/replacement procedures are hot-plug 
capable: 
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Power supplies 
Processor and I/O fans 
Drive fans 
Front and rear processor air baffles 
SCSI hard drives 
PCI and PCI-X Hot Plug expansion boards (in hot-plug slots) 
Memory (refer to the “Memory” section in this chapter) 
Hot-Plug Power Supplies 
 
 
CAUTION:
  Do not hot-remove a power supply without a redundant power supply in place. 
 
 
CAUTION:
  Hot-plug power supplies for the ProLiant ML570 Generation 2 server are keyed to 
make sure that only 600-W hot-plug power supplies can be installed in the server. The 
handles on 600-W power supplies are carbon (black) to distinguish them from other power 
supplies, which are opal (white). 
To remove a hot-plug power supply: 
1.  Release the AC power cord from the tie wrap on the power supply. 
2.  Unplug the AC power cord from the power supply. 
HP ProLiant ML570 Generation 2 Server Maintenance and Service Guide 
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