DFI DT122-CR User manual

1
DT122-CR
Installation Guide
www.dfi.com
• 1 DT122-CR system unit
• 1 HDD drive bay kit
• 1 Quick Installation Guide
• 1 CD disk includes:
- Drivers/Manual
• Power Cord
Package Contents
Optional Items

2
Front View
Power Button
HDD LED
Power LED
Reset Button
Rear View
Mic-in/Center+Subwoofer
COM 1
Line-in/Surround
Line-out
DVI-I
HDMI
USB 2.0
PS/2 Mouse/KB
DVI-I
(DVI-D signal)
LAN 1-2
USB 3.0
Expansion slot

3
Key Features
DT122-CR
PROCESSOR 3rd/2nd Generation Intel®CoreTM processors
CHIPSET Intel®QM77
LAN 2 LAN ports
COM 1 COM port
DISPLAYS 2 DVI-I (1 DVI-D Signal), 1 HDMI
USB 4 Type A USB 3.0/2.0/1.1 ports
2 Type A USB 2.0/1.1 ports
2 Type A USB 2.0/1.1 ports (optional)
AUDIO Mic-in/Center+Subwoofer, Line-in/Surround, Line-out

4
Removing the Chassis Cover
1. Make sure the system and all other peripheral devices
connected to it has been powered-off.
2. Disconnect all power cords and cables.
3. The 4 mounting screws on the sides of the system are
used to secure the cover to the chassis. Remove these
screws and then put them in a safe place for later use.
Mounting
screw
Mounting
screw

5
4. After removing the mounting screws, slide the cover
backwards.
Slide the Cover Backward
5. The DIMM sockets and SATA drive bay are readily
accessible after removing the chassis cover.
SODIMM socket
2.5"/3.5" SATA
drive bay

6
1. Remove the 4 mounting screws that secure the drive
bay to the system.
Installing a 2.5" or 3.5" SATA
Drive
lnstalling a 2.5" SATA Drive
2. Turn to the other side of the drive bay and remove the
4 mounting screws that secure the HDD brackets to
the drive bay.
Mounting screw
Mounting screw
Mounting screw
Drive bay
Drive bay

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3. Align the mounting holes of the SATA drive with the
mounting holes on the HDD bracket and then use the
provided mounting screws to secure the drive in place.
Mounting screw
SATA drive
HDD bracket
Mounting screw

8
4. Turn to the other side of the drive bay. Use the
provided mounting screws from step 2 to secure the
SATA drive bay assembly onto the drive bay.
Mounting screw
Drive bay
Mounting screw
5. Place the SATA drive bay assembly into the chassis.
Secure the SATA drive bay with the mounting screws
you removed in step 1.
Mounting screw
Mounting screw

9
6. Connect the SATA data cable and SATA power cable to
the connectors on the SATA drive.
SATA data cable
SATA power
cable

10
2. Insert the spacer into the anti-shock bumper. You will
find the spacers in the HDD drive bay kit that comes
with the DT122 package.
lnstalling a 3.5" SATA Drive
Drive bay
spacer
spacer
3. Place the SATA drive on the drive bay. Align the
mounting holes of the SATA drive with the mounting
holes on the drive bay.
SATA drive
Drive bay
1. Remove the 4 mounting screws that secure the drive
bay to the system.
Mounting screw
Mounting screw
Drive bay