Dell Precision T7400 (Late 2007) User Manual
Page 22
22
About Your Computer
1-3
5.25-inch drive
bays
Can hold an optical drive, Media Card Reader, floppy drive,
or SATA hard drive in a 5.25-inch drive bay carrier.
The hard-drive carrier is only for use in the 5.25-inch drive
bays. The floppy drive/Media Card Reader and hard drive
carriers are not interchangeable.
4
5.25-inch drive
bay with special
3.5-inch drive
panel plate
Can hold an optical drive, Media Card Reader, floppy drive,
or SATA hard drive in a 5.25-inch drive bay carrier. The drive-
panel plate shown here is only for use with a floppy drive or
Media Card Reader; it can be installed in front of any of the
four 5.25-inch drive bays. For more information, see "Drive
The hard-drive carrier is only for use in the 5.25-inch drive
bays. The floppy drive/Media Card Reader and hard drive
carriers are not interchangeable.
5
hard-drive
activity light
The hard drive light is on when the computer reads data from
or writes data to the hard drive. The light might also be on
when a device, such as your optical drive, is operating.
6
IEEE 1394
connector
Use the IEEE 1394 connector for high-speed data devices
such as digital video cameras and external storage devices.
7
USB 2.0
connectors (2)
Use the front USB connectors for devices that you connect
occasionally, such as flash memory keys, cameras, or
bootable USB devices.
It is recommended that you use the back USB connectors for
devices that typically remain connected, such as printers
and keyboards.
8
power button,
power light
Press the power button to turn on the computer. The light in
the center of this button indicates power state. See "Controls
and Lights" on page 32 for more information.
NOTICE:
To avoid losing data, do not use the power
button to turn off the computer. Instead, perform an
operating system shutdown.
9
network link light
The network link light is on when a good connection exists
between a 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps)
network and the computer.
10
diagnostic lights
(4)
Use these lights to help you troubleshoot a computer
problem based on the diagnostic code. For more information,