HP ProLiant DL740 Server - Manual (Page 112)

Installing Hardware Options, Hot-Plug
Hot-Replacing Memory
If there is a problem with a DIMM in the server, the DIMM status LEDs will
illuminate as either solid or blinking. If the DIMM status LED for a specific DIMM
in a specific cartridge is solid, then the DIMM needs to be replaced.
CAUTION: A redundant memory configuration is required when performing Hot Plug
RAID Memory functions.
• If all five memory cartridges are online and error free, any memory cartridge can
be removed.
• If one of the five memory cartridges requires attention, only that memory
cartridge can be removed.
• If two or more memory cartridges require attention and are online (cartridge
power LED is illuminated), then no cartridge can be removed. An audible alarm
will sound if any cartridge is unlocked.
IMPORTANT: You cannot perform a hot-replace of memory if only four memory cartridges are
installed. The system must have a redundant memory configuration (five memory cartridges
online and error-free) before the hot-replace feature will function.
HP ProLiant DL740 Server User Guide 5-13
HP CONFIDENTIAL
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