Dell T3400 - Precision - 2 GB RAM User manual

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Dell Precision™ Workstation T3400
User’s Guide
Model DCTA

About Your Computer 21
About Your Computer
Front View (Tower Orientation)
1upper 5.25-inch drive
bay
Supports an optical drive.
2lower 5.25-inch drive
bay
Supports an optical drive or an additional hard drive
(SATA only).
3upper 3.5-inch drive
bay
Supports a floppy drive, a Media Card Reader, or an
additional hard drive (SATA or SAS).
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22 About Your Computer
4lower 3.5-inch drive
bay
Supports a floppy drive or a Media Card Reader.
5hard drive activity
light
The hard drive activity light is on when the computer
reads data from or writes data to the hard drive. The
light may also be on when a device such as an optical
drive is in operation.
6IEEE 1394 connector
(optional)
Use the optional IEEE 1394 connector for high-speed
data devices such as digital video cameras and external
storage devices.
7USB 2.0 connectors
(2)
Use the front USB connectors for devices that you
connect occasionally, such as flash memory keys or
cameras, or for bootable USB devices (see "System
Setup" on page 81 for more information on booting to
a USB device).
NOTE: It is recommended that you use the back USB
connectors for devices that typically remain connected,
such as printers and keyboards.
8Dell badge (rotatable) Use the plastic handle on the back of the Dell badge to
rotate the badge for tower-to-desktop or desktop-to-
tower conversion.
9power 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.
NOTICE: If your operating system has ACPI
enabled, when you press the power button the
computer will perform an operating system
shutdown.
NOTE: The power button can also be used to wake the
system or to place it into a power-saving state (see
"Power Management" on page 40 for more information).

About Your Computer 23
10 power light The power light illuminates and blinks or remains solid
to indicate different states:
• No light — The computer is turned off (S4, S5, or
mechanical OFF).
• Steady green — The computer is in a normal
operating state.
• Blinking green — The computer is in a power-
saving state (S1 or S3).
• Blinking or solid amber — See "Power Problems" on
page 123.
To exit from a power-saving state, press the power
button or use the keyboard or 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 "Power Management" on
page 40.
For a description of diagnostic light codes for
troubleshooting problems with your computer, see
"Diagnostic Lights" on page 100.
11 microphone
connector
Use the microphone connector to attach a personal
computer microphone for voice or musical input into a
sound or telephony program.
12 headphone connector Use the headphone connector to attach headphones.
13 diagnostic lights (4) Use the diagnostic lights to help you troubleshoot a
problem with your computer (see "Diagnostic Lights"
on page 100).
14 network link light The network link light is on when a good connection
exists between a 10-Mbps, 100-Mbps, or 1000-Mbps
(1-Gbps) network and the computer.

24 About Your Computer
Back View (Tower Orientation)
1power connector Insert the power cable.
2voltage selection
switch
See the safety instructions in the Product Information
Guide for more information.
NOTE: The voltage selection switch is available on the 375-W
PSU only.
3back panel
connectors
Plug serial, USB, and other devices into the appropriate
connector.
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About Your Computer 25
Front View (Desktop Orientation)
4card slots Access connectors for any installed PCI or PCI Express
cards.
NOTE: The upper five connector slots support full-length
cards; the connector slot at the bottom supports a half-length
card.
NOTE: Check the documentation for cards to ensure that you
can accommodate them in your configuration. Some cards
that require more physical space and power (such as PCI
Express graphics cards) may restrict the use of other cards.
1upper 5.25-inch drive
bay
Supports an optical drive.
2lower 5.25-inch drive
bay
Supports an optical drive or an additional hard drive
(SATA only).
33.5-inch drive bay Supports a floppy drive or a Media Card Reader.
4hard drive activity
light
The hard drive activity light is on when the computer
reads data from or writes data to the hard drive. The
light may also be on when a device such as an optical
drive is in operation.
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26 About Your Computer
5IEEE 1394 connector
(optional)
Use the optional IEEE 1394 connector for high-speed
data devices such as digital video cameras and external
storage devices.
6USB 2.0 connectors
(2)
Use the front USB connectors for devices that you
connect occasionally, such as flash memory keys or
cameras, or for bootable USB devices (see "System
Setup" on page 81 for more information on booting to
a USB device).
NOTE: It is recommended that you use the back USB
connectors for devices that typically remain connected,
such as printers and keyboards.
7power 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.
NOTICE: If your operating system has ACPI
enabled, when you press the power button the
computer will perform an operating system
shutdown.
NOTE: The power button can also be used to wake the
system or to place it into a power-saving state. See
"Power Management" on page 40 for more information.

About Your Computer 27
8power light The power light illuminates and blinks or remains solid
to indicate different states:
• No light — The computer is turned off (S4, S5, or
mechanical OFF).
• Steady green — The computer is in a normal
operating state.
• Blinking green — The computer is in a power-
saving state (S1 or S3).
• Blinking or solid amber — See "Power Problems" on
page 123.
To exit from a power-saving state, press the power
button or use the keyboard or 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 "Power Management" on
page 40.
For a description of diagnostic light codes for
troubleshooting problems with your computer, see
"Diagnostic Lights" on page 100.
9diagnostic lights (4) Use the diagnostic lights to help you troubleshoot a
problem with your computer (see "Diagnostic Lights"
on page 100).
10 microphone
connector
Use the microphone connector to attach a personal
computer microphone for voice or musical input into a
sound or telephony program.
11 headphone connector Use the headphone connector to attach headphones.
12 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.

28 About Your Computer
Back View (Desktop Orientation)
1card slots Access connectors for any installed PCI or PCI Express
cards.
NOTE: Check the documentation for cards to ensure that
you can accommodate them in your configuration. Some
cards that require more physical space and power (such
as PCI Express graphics cards) may restrict the use of
other cards.
2power connector Insert the power cable.
3voltage selection
switch
See the safety instructions in the Product Information
Guide for more information.
NOTE: The voltage selection switch is available on the
375-W PSU only.
4back panel connectors Plug serial, USB, and other devices into the
appropriate connector.
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About Your Computer 29
Back Panel Connectors
1mouse connector Plug a PS/2 mouse into the green mouse connector. Turn off
the computer and any attached devices before you connect a
mouse to the computer. If you have a USB mouse, plug it
into a USB connector.
2parallel
connector
Connect a parallel device, such as a printer, to the parallel
connector. If you have a USB printer, plug it into a USB
connector.
NOTE: The integrated parallel connector is automatically
disabled if the computer detects an installed card containing a
parallel connector configured to the same address. For more
information, see "System Setup Options" on page 82.
3link integrity
light
• Green — A good connection exists between a 10-Mbps
network and the computer.
• Orange — A good connection exists between a 100-Mbps
network and the computer.
• Yellow — A good connection exists between a 1000-Mbps
(or 1-Gbps) network and the computer.
• Off — The computer is not detecting a physical
connection to the network.
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