Always completely disconnect the power cord from your
chassis whenever you work with the hardware. Do not
make connections while the power is on. Sensitive
electronic components can be damaged by sudden power
surges. Only experienced electronics personnel should
open the PC chassis.
Caution!
Always ground yourself to remove any static charge before
touching the CPU card. Modern electronic devices are very
sensitive to static electric charges. As a safety precaution,
use a grounding wrist strap at all times. Place all electronic
components in a static-dissipative surface or static-shielded
bag when they are not in the chassis.
Always note that improper disassembling action could cause damage to the
motherboard. We suggest not removing the heatsink without correct
instructions in any circumstance. If you really have to do this, please contact
us for further support.
1.2 Packing List
Before you begin installing your single board, please make sure that the
following materials have been shipped:
Quick Installation Guide X 1
Driver/Utility CD X 1
Serial ATA Signal with Power Cable X 1
Serial ATA AUX Board X1
COM Cable X 1
VGA Cable X1
Motherboard X 1
4 ENX-CDD User’s Manual
ENX-CDD User’s Manual
Revision
Date
By
Comment
1st
October
2012
Avalue
Initial Release
2nd
December
2012
Avalue
Update Mechanical Drawing
3rd
January
2013
Avalue
Update Drivers Installation
1.3 Document Amendment History
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ENX-CDD User’s Manual
1.4 Manual Objectives
This manual describes in details Avalue Technology ENX-CDD Single Board.
We have tried to include as much information as possible but we have not duplicated
information that is provided in the standard IBM Technical References, unless it proved to
be necessary to aid in the understanding of this board.
We strongly recommend that you study this manual carefully before attempting to set up
ENX-CDD series or change the standard configurations. Whilst all the necessary
information is available in this manual we would recommend that unless you are confident,
you contact your supplier for guidance.
If you have any suggestions or find any errors regarding this manual and want to inform us
of these, please contact our Customer Service department with the relevant details.
6 ENX-CDD User’s Manual
ENX-CDD User’s Manual
Title
ENX-CDD
Intel® Atom™ Cedar Trail Nano ITX Motherboard
Intel® D2550 or N2800 + NM10 Chipset
Features
Nano-ITX
Onboard Intel® Atom™ processor D2550 /N2800
IOH: NM10
One 204-pin DDR3 1066/1333MHZ SO-DIMM socket up to 4GB Max
1 x VGA
1 x HDMI
1 x 18/24 bit single-channel LVDS for D2550 Processor or 1 x 18 bit single-channel
LVDS for N2800 Processor
1 x Realtek RT8111E PCIe Gigabit Ethernet
1 x Mini PCI-e socket
*Mini PCI-e and M-SATA SSD switchable through Jumper
One 204-pin DDR3 1066/1333MHZ SO-DIMM socket up to 4GB Max
Watchdog Timer
Reset : 1 to 255 sec/min per step
H/W Status
Monitor
Monitoring temperature, voltage, and cooling fan
status. Auto throttling control when CPU overheats
Expansion
1 x Mini PCI-e socket
*Mini PCI-e and m-SATA SSD switchable through Jumper
1 x 14-pin Header for Customized add-on card
I/O
MIO
1 x 9-pin Header for RS-232 port
1 x 12-pin Header for 1x SATAII (3Gb/s) to SATA AUX board
1 x 10-pin Header for VGA Output
1 x 9-pin Header for LPC for Debug only
1 x 2-pin Header for Reset
1.5 Specifications
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ENX-CDD User’s Manual
1 x 5-pin Header for Inverter
1 x CIR for remote control
1 x Powr on/off with Power LED button
USB
3 x USB 2.0/1.1 Type A connectors , 1 x 4-pin Header for USB
Parallel Port
NA
PS2 KB/MS
1 x 6-pin Header for 1 x PS2 keyboard / PS2 Mouse
DIO
1 x 8-pin Header for 4-bit General Purpose I/O for DI and DO
Display
Chipset
Integrated Intel® Graphics Media Accelerator
Resolution
VGA /HDMI Mode: 1920 x 1200
Singel-channel 18/24 bit LVDS 1440 x 900 for D2550 Processor
Singel-channel 18 bit LVDS 1366 x 768 for N2800 Processor
Dual Display
Yes , LVDS+VGA, VGA+HDMI, HDMI+LVDS
Audio
Audio Codec
Realtek ALC661 HD Audio Decoding controller
Audio Interface
Mic-in , Line out
Audio Amplifier
Realtek ALC105 3W Stereo Class-D Audio Amplifier(1 x 4-pin Header)
Ethernet
LAN Chip
1 x Realtek RT8111E PCIe Gigabit Ethernet
Ethernet Interface
10 /100 /1000 Base-Tx Gigabit Ethernet
SIM card
SIM card
1 x SIM Card socket
SD card socket
Realtek RTS5138 USB card reader controller support SD/SDHC card
Mechanical &
Environmental
Power Type
12V DC in
Operating Temp.
0 ~ 60°C (32 ~ 140°F)
Storge Temp
-40 ~ 75°C (-40 ~ 167°F)
Operating
Humidity
0 ~ 90% Relative Humidity, Non-condensing
Size (L x W)
4.72” x 4.72” (120mm x 120mm)
Weight
0.88lbs (0.4kg)
Others
Ordering Information: ENX-CDD-N2800-A1R or ENX-CDD-D2550-A1R
Nano ITX Motherboard
Intel® Atom™ CedarView D2550 or N2800 Processor with NM10 Chipset and
VGA ,LVDS, HDMI, Line in,Mic in,1GbE, 1 Mini PCIe,1 SATA,1 COM,3 USB, 1 PS2
KB,1 PS2 MS, 1 SD Card socket, 1 SIM card socket ,6 bits GPIO,3W Amplifier,DC
in ,w/SATA AUX board and cable,VGA cable x1,COM poart cable x1,CD driver
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1.6 Architecture Overview—Block Diagram
The following block diagram shows the architecture and main components of ENX-CDD.
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2. Hardware
Configuration
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2.1 Product Overview
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2.2 Installation Procedure
This chapter explains you the instructions of how to setup your system.
1. Turn off the power supply.
2. Insert the DIMM module (be careful with the orientation).
3. Insert all external cables for hard disk, floppy, keyboard, mouse, USB etc. except for flat
panel. A CRT monitor must be connected in order to change BIOS settings to support flat
panel.
4. Connect power supply to the board via the AC/DC Adapter.
5. Turn on the power.
6. Enter the BIOS setup by pressing the delete key during boot up. Use the "Save & Exit \
Restore Defaults" feature.
7. If TFT panel display is to be utilized, make sure the panel voltage is correctly set before
connecting the display cable and turning on the power.
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Jumpers
Label
Function
Note
JS1/2
mSATA/Mini PCIe function Jumper
3 x 2 header, pitch 2.54 mm
JP1
LVDS voltage
3 x 1 header, pitch 2.54 mm
Connectors
Label
Function
Note
BAT1
Battery connector
2 x 1 wafer, pitch 1.25 mm
JPCIE
PCIE signal selector
14 x 1 wafer, pitch 1.00 mm
J_RST
Reset connector
2 x 1 header, pitch 2.54 mm
HDMI1
HDMI connector
J2
SD/MS/MMC socket
2.3 Jumper and Connector List
You can configure your board to match the needs of your application by setting jumpers. A
jumper is the simplest kind of electric switch.
It consists of two metal pins and a small metal clip (often protected by a plastic cover) that
slides over the pins to connect them. To “close” a jumper you connect the pins with the clip.
To “open” a jumper you remove the clip. Sometimes a jumper will have three pins, labeled 1,
2, and 3. In this case, you would connect either two pins.
The jumper settings are schematically depicted in this manual as follows:
A pair of needle-nose pliers may be helpful when working with jumpers.
Connectors on the board are linked to external devices such as hard disk drives, a
keyboard, or floppy drives. In addition, the board has a number of jumpers that allow you to
configure your system to suit your application.
If you have any doubts about the best hardware configuration for your application, contact
your local distributor or sales representative before you make any changes.
The following tables list the function of each of the board’s jumpers and connectors.
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J3
Speaker connector
4 x 1 wafer, pitch 1.25 mm
J4
SIM card holder
JCOM1
Serial port 1 connector
5 x 2 header, pitch 2.00 mm
PWBT1
Power Button
JGPIO1
General Purpose I/O
4 x 2 header, pitch 2.54 mm
LPC
Low Pin Count
5 x 2 header, pitch 2.00 mm
LVDS1
LVDS connector
15 x 2 wafer, pitch 1.00 mm
SATACON2
SATA AUX Board
12 x 1 wafer, pitch 1.00 mm
JUSB1
USB connector
4 x 1 wafer, pitch 1.25 mm
F_MIC1
Mic-in
F_OUT1
Line out
RJ1
LAN port
IR1
CIR connector
LED1
HDD LED
PJ1
DC-In
JKB_MS1
Keyboard & mouse connector
3 x 2 wafer, pitch 2.54 mm
F_USB1
USB connector1
F_USB2
USB connector2
F_USB3
USB connector3
INCN1
LCD Inverter connector
5 x 1 header, pitch 2.54 mm
SFAN1
System Fan connector
4 x 1 wafer, pitch 2.54 mm
JVGA1
VGA connector
5 x 2 header, pitch 2.54 mm
MPCIE1
Mini-PCI-e socket
DIMM1
DDR3 SODIMM socket
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* Default
VCC5*
VCC3
Pin
Define
1-2
VCC3
2-3
VCC5
* Default
MINIPCIE*
M-SATA
Pin
Pin
Define
1-3
2-4
M-SATA
3-5
4-6
MINIPCIE
JS1
JS2
2.4 Setting Jumpers & Connectors
2.4.1 LVDS voltage (JP1)
2.4.2 mSATA/Mini PCIe function Jumper (JS1/JS2)
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Signal
PIN
5V
5
PWM
4
BKL_EN
3
GND
2
12V
1
Signal
PIN
PIN
Signal
GND
8 7 GND
GPIO
6 5 GPIO
GPIO
4 3 GPIO
3.3V
2 1 5V
2.4.3 LCD Inverter connector (INCN1)
2.4.4 General Purpose I/O (JGPIO1)
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Signal
PIN
PIN
Signal
GND
1 2 RED
GND
3 4 GREEN
GND
5 6 BLUE
HSYNC
7 8 VSYNC
DDC_DATA
9
10
DDC_CLK
Signal
PIN
PIN
Signal
DCD
1 2 RXD
TXD
3 4 DTR
GND
5 6 DSR
RTS
7 8 CTS
RI
9
2.4.5 VGA connector (JVGA1)
2.4.6 Serial port 1 connector (JCOM1)
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Signal
PIN
Ground
1
+12V
2
RPM
3
Control
4
Signal
PIN
INTSPL+
1
INTSPL-
2
INTSPR-
3
INTSPR+
4
2.4.7 System Fan connector (SFAN1)
2.4.8 Speaker connector (J3)
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Signal
PIN
PIN
Signal
MS_CLK
1 2 MS_DATA
KB_CLK
3 4 KB_DATA
VCC
5 6 GND
Note:
The KB/Mouse cable is not included.
Signal
PIN
PIN
Signal
LPC_DATA3
1 2 +3V
LPC_DATA2
3 4 PLC_RESET
LPC_DATA1
5 6 FPAME
LPC_DATA0
7 8 CLK_33M
GND
9
2.4.9 Keyboard & mouse connector (JKB_MS1)
2.4.10 Low Pin Count (LPC)
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Note:
To SATA AUX board.
Signal
PIN
NC 1 +5V
2
+5V
3
+5V
4
GND
5
GND
6
RXP
7
RXN
8
GND
9
TXN
10
TXP
11
GND
12
Signal
PIN
Reset
1
GND
2
2.4.11 SATA AUX Board (SATACON2)
2.4.12 Reset connector (J_RST)
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Note:
Recommend connector.
On board LVDS connector: CSI-1171-30.
Matting connector:KB901-B30H.
Signal
PIN
PIN
Signal
VDD
30
29
VDD
VDD
28
27
VDD
DDC_CLK
26
25
GND
DDC_DATA
24
23
DATA3-
GND
22
21
DATA3+
CLKN
20
19
GND
CLKP
18
17
DATA2-
GND
16
15
DATA2+
GND
14
13
GND
GND
12
11
GND
DATA1-
10 9 DATA0-
DATA1+
8 7 DATA0+
GND
6 5 GND
GND
4 3 PWM
GND
2 1 GND
2.4.13 LVDS connector (LVDS1)
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Signal
PIN
+5VSB
1
DATAN
2
DATAP
3
GND
4
Signal
PIN
BAT
1
GND
2
2.4.14 USB connector (JUSB1)
2.4.15 Battery connector (BAT1)
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Signal
PIN
RXN
14
RXP
13
GND
12
TXN
11
TXP
10
GND
9
CLKP
8
CLKN
7
RESET
6
WAKE
5
+5VSB
4
+5VSB
3
GND
2
+3.3V
1
Note:
For Customized add-on card, the
expansion card is not included.
2.4.16 PCIE signal selector (J_PCIE)
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3.BIOS Setup
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3.1 Introduction
The BIOS setup program allows users to modify the basic system configuration. In this
following chapter will describe how to access the BIOS setup program and the
configuration options that may be changed.
3.2 Starting Setup
The BIOS is immediately activated when you first power on the computer. The BIOS reads
the system information contained in the NVRAM and begins the process of checking out
the system and configuring it. When it finishes, the BIOS will seek an operating system on
one of the disks and then launch and turn control over to the operating system.
While the BIOS is in control, the Setup program can be activated in one of two ways:
By pressing <Del> immediately after switching the system on, or
By pressing the <Del> key when the following message appears briefly at the bottom of the
screen during the POST (Power On Self Test).
Press DEL to enter setup, F11 to popup menu
If the message disappears before you respond and you still wish to enter Setup, restart the
system to try again by turning it OFF then ON or pressing the "RESET" button on the
system case. You may also restart by simultaneously pressing <Ctrl>, <Alt>, and <Delete>
keys. If you do not press the keys at the correct time and the system does not boot, an error
message will be displayed and you will again be asked to.
Press DEL to enter setup, F11 to popup menu
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Button
Description
↑
Move to previous item
↓
Move to next item
←
Move to the item in the left hand
→
Move to the item in the right hand
Esc key
Main Menu -- Quit and not save changes into NVRAM
Status Page Setup Menu and Option Page Setup Menu -- Exit current page and
return to the pervious page or Main Menu
+ key
Increase the numeric value or make changes
- key
Decrease the numeric value or make changes
F1 key
General help, only for Status Page Setup Menu and Option Page Setup Menu
F2 key
Previous Values
F9 key
Optimized Defaults
F10 key
Save and Exit
3.3 Using Setup
In general, you use the arrow keys to highlight items, press <Enter> to select, use the
PageUp and PageDown keys to change entries, press <F1> for help and press <Esc> to
quit. The following table provides more detail about how to navigate in the Setup program
using the keyboard.
Navigating Through The Menu Bar
Use the left and right arrow keys to choose the menu you want to be in.
Note: Some of the navigation keys differ from one screen to another.
To Display a Sub Menu
Use the arrow keys to move the cursor to the sub menu you want. Then press
<Enter>. A “” pointer marks all sub menus.
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3.4 Getting Help
Press F1 to pop up a small help window that describes the appropriate keys to use and the
possible selections for the highlighted item. To exit the Help Window press <Esc> or the F1
key again.
3.5 In Case of Problems
If, after making and saving system changes with Setup, you discover that your computer no
longer is able to boot, the AMI BIOS supports an override to the NVRAM settings which
resets your system to its defaults.
The best advice is to only alter settings which you thoroughly understand. To this end, we
strongly recommend that you avoid making any changes to the chipset defaults. These
defaults have been carefully chosen by both AMI and your systems manufacturer to
provide the absolute maximum performance and reliability. Even a seemingly small change
to the chipset setup has the potential for causing you to use the override.
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3.6 BIOS setup
Once you enter the BIOS Setup Utility, the Main Menu will appear on the screen. The Main
Menu allows you to select from several setup functions and exit choices. Use the arrow
keys to select among the items and press <Enter> to accept and enter the sub-menu.
3.6.1 Main Menu
This section allows you to record some basic hardware configurations in your computer and
set the system clock.
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3.6.1.1 Intel RC Version
Intel Reference Code version.
3.6.1.2 System Language
Use this option to select system language
3.6.1.3 System Date
Use the system date option to set the system date. Manually enter the day, month and
year.
3.6.1.4 System Time
Use the system time option to set the system time. Manually enter the hours, minutes and
seconds.
Note: BIOS setup screens shown in this chapter are for reference only, and may
not exactly match what you see on your screen. Visit the Avalue website
(www.avalue.com.tw) to download the latest product and BIOS information.
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Item
Options
Description
Enable Hibernation
Disabled,
Enabled[Default]
Enables or Disables System ability
to Hibernate (OS/S4 Sleep State).
This option may be not effective with
some OS.
3.6.2 Advanced BIOS settings
This section allows you to configure your CPU and other system devices for basic operation
through the following sub-menus.
3.6.2.1 ACPI Settings
You can use this item to set up ACPI Configuration.
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ACPI Sleep State
S1 (CPU Stop Clock) [Default]
S3 (Suspend to RAM)
Select the highest ACPI sleep state
the system will enter when the
SUSPEND button is pressed.
Item
Options
Description
Hyper-Threading
Disabled
Enabled[Default],
Enabled for Windows XP and Linux (OS
optimized for Hyper-Threading Technology)
and Disabled for other OS (OS not optimized
for Hyper-Threading Technology).
Execute Disable Bit
Disabled,
Enabled[Default],
XD can prevent certain classed of malicious
buffer overflow attacks when combined with a
supporting OS (Windows Server 2003 SP1,
Windows XP SP2,SuSE Linux 9.2,RedHat
Enterprise 3 Update 3.
Limit CPUID Maximum
Disabled[Default],
Enabled
Disabled for Windows XP
3.6.2.2 CPU Configuration
Use the CPU configuration menu to view detailed CPU specification and configure the
CPU.
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Item
Options
Description
Azalia Controller
HD Audio[Default]
Disabled
Azalia Controller.
USB Function
Enabled[Default]
Disabled
Enable/Disable USB Function.
USB 2.0(EHCI) Support
Enabled[Default]
Disabled
Enable or Disable USB 2.0(EHCI) Support.
LAN Controller
Enabled[Default]
Disabled
Enable or Disable OnChip NIC Controller.
Launch PXE OpROM
Enabled
Disabled[Default]
Enable or Disable Boot Option for Legacy
Network Devices.
3.6.2.3 Onboard Device Configuration
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Item
Options
Description
Legacy USB Support
Enabled[Default]
Disabled
Auto
Enables Legacy USB support.
AUTO option disables legacy support if no USB
devices are connected. DISABLE option will keep
USB devices available only for EFI applications.
ECHI Hand-Off
Enabled
Disabled[Default]
This is a workaround for OSes without EHCI hand-off
support. The EHCI ownership change should be
claimed by EHCI driver.
USB transfer time-out
1sec / 5sec
10sec / 20sec[Default]
The time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out
10sec / 20sec[Default]
30sec / 40sec
USB mass storage device Start Unit command
time-out.
Device power-up delay
Auto[Default]
Manual
Maximum time the device will take before it properly
reports itself to the Host Controller. “Auto” uses
default value: for a Root port it is 100ms, for a Hub
port the delay is taken from Hub descriptor.
3.6.2.4 USB Configuration
The USB configuration menu is used to read USB configuration information and configure
USB.
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Item
Options
Description
Serial Port 0 Configuration
Set Parameters of Serial Port0 (COMA).
WatchDogTimer
Enabled
Disabled[Default]
WatchDogTimer Setting.
3.6.2.5 Super IO Configuration
You can use this item to set up or change the Super IO configuration for FDD controllers,
parallel ports and serial ports.
Select LCD panel used by Internal
Graphics Device by selecting the
appropriate setup item.
Backlight Control
PWM Inverted
PWM Normal[Default]
Back Light Control Setting.
Fixed Graphics Memory Size
128 MB[Default]
256 MB
Configure Fixed Graphics
Memory Size.
Backlight Control Support
VBIOS-Default[Default]
BLC&BIA Disabled
BLC Enabled
Backlight Control Configuration.
Item
Option
Description
SATA Controller(s)
Disabled
Enabled[Default]
SATA Ports (0-3) Device Names if
Present and Enabled.
Configure SATA as
IDE,
AHCI[Default]
Select a configuration for SATA
Controller.
Port0 Speed Limit
No Limit[Default],
GEN1 Rate
GEN2 Rate
Select Port0 AHCI Speed Limit.
Port1 Speed Limit
No Limit[Default],
GEN1 Rate
GEN2 Rate
Select Port1 AHCI Speed Limit.
SATA Port 0
Enabled[Default],
Disabled
Enable or Disable SATA Port.
SATA Port 0 Hot Plug
Enabled[Default],
Disabled
Designates this port as Hot
Pluggable.
3.6.3.2 South bridge
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SATA Port 1
Enabled[Default],
Disabled
Enable or Disable SATA Port.
SATA Port 1 Hot Plug
Enabled[Default],
Disabled
Designates this port as Hot
Pluggable.
Item
Option
Description
Setup Prompt Timeout
1~65535
Number of seconds to wait for
setup activation key.
65535(0xFFFF) means indefinite
waiting.
Bootup NumLock State
On[Default]
Off
Select the keyboard NumLock
state.
Quiet Boot
Enabled
Disabled[Default]
Enables or disables Quiet Boot
option.
Fast Boot
Enabled[Default]
Disabled
Enables or disables boot with
initialization of a minimal set of
devices required to launch active
boot option. Has no effect for BBS
boot options.
3.6.4 Boot settings
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3.6.5 Security
Use the Security menu to set system and user password.
3.6.5.1 Administrator Password
This setting specifies a password that must be entered to access the BIOS Setup Utility. If
only the Administrator's password is set, then this only limits access to the BIOS setup
program and is only asked for when entering the BIOS setup program. By default, no
password is specified.
3.6.5.2 User Password
This setting specifies a password that must be entered to access the BIOS Setup Utility or
to boot the system. If only the User's password is set, then this is a power on password and
must be entered to boot or enter the BIOS setup program. In the BIOS setup program, the
User will have Administrator rights. By default, no password is specified.
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3.6.6 Save & Exit
3.6.6.1 Save Changes and Reset
Any changes made to BIOS settings are stored in NVRAM. The setup program then exits
and reboots the controller.
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3.6.6.2 Discard Changes and Reset
Any changes made to BIOS settings during this session of the BIOS setup program are
discarded. The setup program then exits and reboots the controller.
3.6.6.3 Restore Defaults
This option restores all BIOS settings to the factory default. This option is useful if the
controller exhibits unpredictable behavior due to an incorrect or inappropriate BIOS setting.
3.6.6.4 Save as User Defaults
This option saves a copy of the current BIOS settings as the User Defaults. This option is
useful for preserving custom BIOS setup configurations.
3.6.6.5 Restore as User Defaults
This option restores all BIOS settings to the user defaults. This option is useful for restoring
previously preserved custom BIOS setup configurations.
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4. Drivers Installation
Note: Installation procedures and screen shots in this section are
for your reference and may not be exactly the same as
shown on your screen.
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Insert the Supporting DVD-ROM to
DVD-ROM drive, and it should show the
index page of Avalue’s products
automatically. If not, locate Index.htm and
choose the product from the menu left, or
link to \Driver_Audio\ENX-CDD_Audio
Note: The installation procedures and
screen shots in this section are
based on Windows 7 operation
system. If the warning message
appears while the installation
process, click Continue to go on.
Step1. Click Yes to Install..
Step 2. Select Yesto restart computer.
4.1 Install Audio Driver (For Realtek ALC661 HD Audio)
ENX-CDD User’s Manual 45
ENX-CDD User’s Manual
Insert the Supporting DVD-ROM to
DVD-ROM drive, click on “start” icon and it
should show the index page of Avalue’s
products automatically. If not, locate the
folder HTML and choose the product from
the targeted folder.
Note: The installation procedures and
screen shots in this section are
based on Windows 7 operating
system.