Dell Inspiron 546s (Early 2009) - Manual (Page 20)

18
Using Your Inspiron™ Desktop
Back View Features
1
2
3
4
5
1 Power connector — For power cable
connection. Appearance may vary.
2 Voltage selector switch — For selecting
the voltage rating.
3 Power supply diagnostic light —
Indicates power availability for power
supply.
Green light — Power is available for •
the power supply.
No light — Power is not available for
•
the power supply or the power supply
is not working.
NOTE: The power supply diagnostic
light may not be available on some
models.
4 Expansion card slots — Access
connectors for any installed PCI and PCI
express cards.
5 Back panel connectors — Plug USB,
audio, and other devices into the
appropriate connector.