DFI ES121-LR - Manual (Page 60)

60
5
Ports and Connectors
LEDs
DRAM
Power LED
Standby
Power LED
DRAM Power LED
This LED will light when the system’s power is on.
Standby Power LED
This LED will light when the system is in the standby mode.
Important:
When the DRAM Power LED and/or Standby Power LED lit red, it indi-
cates that power is present on the DIMM sockets and/or PCI slots. Pow-
er-off the PC then unplug the power cord prior to installing any memory
modules or add-in cards. Failure to do so will cause severe damage to
the motherboard and components.