Back View (Tower Orientation); Back Panel Connectors - Dell Precision 490 Desktop User Manual

¡
¡
¡
¡
To exit from a power-saving state, press the power button or use the
keyboard or the mouse if it is configured as a wake device in the
Windows Device Manager. For more information about sleep states and
exiting from a power-saving state, see
See Diagnostic Lights
troubleshoot problems with your computer.
10 headphone Use the headphone connector to attach headphones.
connector
11 microphone Use the microphone connector to attach a personal computer
connector microphone for voice or musical input into a sound or telephony
program.
12 network link The network link light is on when a good connection exists between a
light 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps) network and the
computer.
13 diagnostic Use these lights to help you troubleshoot a computer problem based on
lights (4) the diagnostic code. For more information, see
Back View (Tower Orientation)
1 power Insert the power cable.
connector
2 card slots Access connectors for any installed PCI, PCI-X, or PCI Express cards.
NOTE: The center four slots support full-length cards: one PCI-X slot, one
PCI Express x8 slot (wired as x4), one PCI Express x16 slot, and one PCI
slot); and the top and bottom slots support half-length cards: one PCI-X
slot and one PCI Express x8 slot (wired as x4).
3 back panel Plug serial, USB, and other devices into the appropriate connector (see
connectors Back Panel Connectors).
Back Panel Connectors
No light — The computer is turned off or in a hibernation
mode.
Steady green — The computer is in a normal operating
state.
Blinking green — The computer is in a power-saving state.
Blinking or solid amber — See Power
Power Management.
for a description of light codes that can help you
Problems.
Diagnostic Lights.