About Your Computer; Front View (Tower Orientation) - Dell Precision 490 Desktop User Manual

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About Your Computer
Dell Precision™ Workstation 490 User's Guide
Front View (Tower Orientation)
Back View (Tower Orientation)
Back Panel Connectors
Front View (Desktop Orientation)
Back View (Desktop Orientation)
Inside View
System Board Components
Front View (Tower Orientation)
1 upper 5.25- Holds a CD/DVD drive.
inch drive bay
2 lower 5.25-inch You can use this bay for an optional CD/DVD drive.
drive bay
3 FlexBay You can use this bay for an optional third hard drive (SATA or SAS), a
floppy drive or a Media Card Reader.
4 hard-drive The hard drive light is on when the computer reads data from or writes
activity light data to the hard drive. The light might also be on when a device such
as your CD player is operating.
5 IEEE 1394 Use the optional IEEE 1394 connector for high-speed data devices such
connector as digital video cameras and external storage devices.
(optional)
6 USB 2.0 Use the front USB connectors for devices that you connect occasionally,
connectors (2) such as flash memory keys or cameras, or for bootable USB devices
(see System Setup
It is recommended that you use the back USB connectors for devices
that typically remain connected, such as printers and keyboards.
7 Dell™ rotatable To rotate the Dell badge for tower-to-desktop conversion: remove the
badge front panel (see
plastic handle behind the badge.
8 power button Press to turn on the computer.
NOTICE: To avoid losing data, do not use the power button to turn off
the computer. Instead, perform an operating system shutdown.
NOTE: The power button can also be used to wake the computer or to
place it into a power-saving state. See
information.
9 power light The power light illuminates and blinks or remains solid to indicate
different states:
for more information on booting to a USB device).
Removing the Front Panel), turn it over, and rotate the
Power Management for more