2
56
Hardware Installation
2.9.21 LEDs
A
DIMM Standby Power LED
B
AGP Warning LED
C
Diagnostic LEDs
D
PCI 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.
AGP Warning LED
The AGP slot supports 1.5V AGP add-in cards. If this type of AGP
card is used, the AGP Warning LED will not light. However, if no AGP
card is installed in the slot or you installed a +3.3V AGP card, the
LED will light indicating that a non-1.5V card was used.
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.
C
B
D
A
LED
3
LED
6
LED
4
LED
5
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.