Intel System Board G4H875-B - Manual (Page 57)

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Hardware Installation
LEDs
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.
PCI Standby Power LED
This LED will turn red when the system is in the power-on, Soft-
Off or Suspend (Power On Suspend or Suspend to RAM) state.
Important:
If the DIMM Standby Power LED or PCI 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 or add-in cards.
Diagnostic LEDs
The 4 diagnostic LEDs are used to indicate the current condition
of the system. Refer to the table on the next page for a list of
LEDs’ status and their corresponding system condition.
PCI Standby
Power LED
DIMM Standby
Power LED
LED 1
LED 2
LED 4
LED 5
X
Diagnostic LEDs