Antec Twelve Hundred User Manual
Twelve Hundred
User’s Manual
Manuel de l’utilisateur
Anwenderhandbuch
Manuale per l’operatore
Manual del usuario
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At Antec, we continually refine and improve our products to ensure the highest
quality. As such, your new case may differ slightly from the description in this
manual. This isn’t a problem; it’s simply an improvement. As of the date of publication,
all features, descriptions, and illustrations in this manual are correct.
Disclaimer
This manual is intended only as a guide for Antec’s Computer Enclosures. For more
comprehensive instructions on installing the motherboard and peripherals, please
refer to the user’s manuals that come with those components.
Twelve Hundred User’s Manual
Twelve Hundred – Gaming Case
The Twelve Hundred comes without a power supply. Make sure you choose a
power supply that is compatible with your computer components and has a long
enough power harness to reach your motherboard and peripheral devices. We
recommend our TruePower Quattro, TruePower Trio, or NeoPower power supplies for
the latest ATX specification compliance, broad compatibility, and power savings
capability.
Although care has been taken to prevent sharp edges in your Antec case, we
strongly recommend taking the appropriate time and care when working with it.
Avoid hurried or careless motions. Please use reasonable precaution.
Note: The Twelve Hundred comes with a top storage area. Antec does not recommend
that users put any liquid-containing items (drinks, ice cream, candles, perfume
dispensers, etc.) in this area. It was designed to hold your personal media player, digital camera, keys, coins, etc.
Setting Up
1. Place the case upright on a flat, stable surface so that the rear panel (power
supply and expansion slots) is facing you.
2. Remove the panel thumbscrews from a side panel and open it by sliding it
towards yourself.
Note: Place the panel thumbscrews carefully aside as they are NOT interchangeable
with the HDD cage thumbscrews.
3. Remove the panel thumbscrews from the other side panel and open it by
sliding it towards you. Place the screws carefully aside. Inside the case is the
power supply mount at the lower rear of the case and the 5.25” drive bay
area with three HDD cages inside the bays. You will also find some wiring with
marked connectors (USB, PWR etc.), an installed I/O panel and a toolbox
containing more hardware (screws, brass standoffs, etc.)
Note: Don’t use your fingernail to pry or lift the panels.
1
Installing the Motherboard
This manual is not designed to cover CPU, RAM, or expansion card installation.
Please consult the motherboard manual for specific mounting instructions and
troubleshooting. Before proceeding, check the manual for your CPU cooler to find
out if there are steps you must do before installing the motherboard.
1. Lay the case down so that the open side is up.
2. Make sure you have the appropriate I/O panel for the motherboard.
If the panel provided is not suitable for the motherboard, please
contact the motherboard manufacturer for the correct I/O panel.
3. Line up the motherboard with the standoff
holes. Determine which holes line up and remember where they are. Not all motherboards
will match with all of the provided screw
holes, and this is not necessary for proper
functionality. Some standoffs may be pre-installed for your convenience.
4. Lift up and remove the motherboard.
5. Screw in the brass standoffs to the threaded
holes that line up with the motherboard.
6. Place the motherboard on the brass standoffs.
Screw in the motherboard to the standoffs
with the provided Phillips-head screws.
7. The motherboard is now installed.
8. If you are installing a water cooling system,
then you may need to run some of the tubing
outside the case through the hose ports with
rubber grommets on the back of the case.
Also, make sure to read about the pump/
reservoir platform feature described near the
end of the manual.
2
Installing the Power Supply
1. With the case upright, place the power supply
on the four silicone pads on the bottom of the
case.
Note: Power supplies with fans on the bottom
of the power supply will need to be mounted
so that the fan is facing the top of the case.
Twelve Hundred provides mounting holes for
power supplies with standard mounting layouts
to be installed upside up or upside down.
2. Push the power supply to the back of the case and align the mounting holes.
3. Attach the power supply to the case with the screws provided.
Connecting the Ports and LEDs
Note: Please refer to your motherboard manual for specific pin outs or location of
front panel connectors.
1. Connect the Reset switch (labeled RESET SW) to the motherboard at the RST
connector. Polarity (positive and negative) does not matter for switches.
2. Power Switch (labeled POWER SW) connects to the PWR connector on the
motherboard.
3. There is no Power LED in this case. Three illuminated case fans will turn on
when there is power to the computer.
4. Hard Drive LED (labeled H.D.D. LED) connects to the IDE connector. For
LEDs, colored wires are positive (+). White or black wires are negative (–). If
the LED does not light up when the system is powered on, try reversing the
connection. For more info on connecting LEDs to your motherboard, see your
motherboard manual.
Connecting the USB Ports
Note: Please check the motherboard manual for the USB header pin layout and
make sure it matches the table below.
Motherboard USB Pin Layout
12
109
Pin Signal Names Pin Signal Names
USB Power 1
1
Negative Signal 1
3
Positive Signal 1
5
Ground 1
7
Key (No Connection)
9
10
USB Power 2
2
Negative Signal 2
4
Positive Signal 2
6
Ground 2
8
Empty Pin
Connecting the eSATA Port
You will find a SATA connector on a cable attached to the front ports. This internal
SATA connector is designed to connect to a standard SATA connector on your
motherboard. This will allow high speed external hard disk enclosures such as the
Antec MX-1 to run at the same speeds as if the hard disk were installed inside the case.
3
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