DFI-ITOX G4S300-B User Manual page 51

2.6.11 DIMM Standby Power LED
DIMM Standby Power LED
This LED will turn red when the system's power is on or when it is
in the Suspend state (Power On Suspend or Suspend to RAM). It
will not light when the system is in the Soft-Off state.
Important:
If the DIMM Standby Power LED is lighted, you must power-off
the system then turn off the power supply's switch or unplug
the power cord prior to installing any memory modules.
Hardware Installation
DIMM Standby
Power LED
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