No part of this manual may be reproduced, copied, translated or transmitted in any form or by any means without the prior written permission of
the original manufacturer. Information provided in this manual is
intended to be accurate and reliable. However, the original manufacturer
assumes no responsibility for its use, nor for any infringements upon the
rights of third parties that may result from such use.
Acknowledgements
IBM, PC/AT, PS/2 and VGA are trademarks of International Business
Machines Corporation.
Intel® and Pentium® are trademarks of Intel Corporation.
Microsoft Windows and MS-DOS are registered trademarks of Microsoft
Corp.
C&T is a trademark of Chips and Technologies, Inc.
All other product names or trademarks are properties of their respective
owners.
Support
For more information on this and other Advantech products, please visit
our websites at:http://www.advantech.com
For technical support and service, please visit our support website at:
http://www.advantech.com/support/
Part No. 20032173001st Edition
Printed in Taiwan October 2009
UNO-2173A/AF User Manualii
Product Warranty
Advantech warrants to you, the original purchaser, that each of its products will be free from defects in materials and workmanship for one year
from the date of purchase.
This warranty does not apply to any products that have been repaired or
altered by persons other than repair personnel authorized by Advantech,
or which have been subject to misuse, abuse, accident or improper installation. Advantech assumes no liability under the terms of this warranty as
a consequence of such events.
Because of Advantech high quality-control standards and rigorous testing, most of our customers never need to use our repair service. If an
Advantech product is defective, it will be repaired or replaced at no
charge during the warranty period. For out-of-warranty repairs, you will
be billed according to the cost of replacement materials, service time and
freight. Please consult your dealer for more details. If you think you have
a defective product, follow these steps:
Step 1. Collect all the information about the problem encountered. (For
example, CPU speed, Advantech products used, other hardware
and software used, etc.) Note anything abnormal and list any onscreen messages you get when the problem occurs.
Step 2. Call your dealer and describe the problem. Please have your man-
ual, product, and any helpful information readily available.
Step 3. If your product is diagnosed as defective, obtain an RMA (return
merchandize authorization) number from your dealer. This
allows us to process your return more quickly.
Step 4. Carefully pack the defective product, a fully completed Repair
and Replacement Order Card and a photocopy proof of purchase
date (such as your sales receipt) in a shippable container. A product returned without proof of the purchase date is not eligible for
warranty service.
Step 5. Write the RMA number visibly on the outside of the package and
ship it prepaid to your dealer.
iii
Declaration of Conformity
CE
This product has passed the CE test for environmental specifications
when shielded cables are used for external wiring. We recommend the use
of shielded cables. This kind of cable is available from Advantech. Please
contact your local supplier for ordering information.
FCC Class A
Note: This equipment has been tested and found to comply with the limits
for a Class A digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference
at his own expense.
Technical Support and Assistance
Step 1. Visit the Advantech web site at www.advantech.com/support
where you can find the latest information about the product.
Contact your distributor, sales representative, or Advantech's customer
service center for technical support if you need additional assistance.
Please have the following information ready before you call:
- Product name and serial number
- Description of your peripheral attachments
- Description of your software (OS, version, software, etc.)
- A complete description of the problem
- The exact wording of any error messages
Safety Precaution - Static Electricity
Follow these simple precautions to protect yourself from harm and the
products from damage. To avoid electrical shock, always disconnect the
power from your PC chassis before you work on it. Don't touch any components on the CPU card or other cards while the PC is on. Disconnect
power before making any configuration changes. The sudden rush of
power as you connect a jumper or install a card may damage sensitive
electronic components.
UNO-2173A/AF User Manualiv
Safety Instructions
1.Read these safety instructions carefully.
2.Keep this User Manual for later reference.
3.Disconnect this equipment from any AC outlet before cleaning. Use a
damp cloth. Do not use liquid or spray detergents for cleaning.
4.For plug-in equipment, the power outlet socket must be located near the
equipment and must be easily accessible.
5.Keep this equipment away from humidity.
6.Put this equipment on a reliable surface during installation. Dropping it
or letting it fall may cause damage.
7.The openings on the enclosure are for air convection. Protect the equipment from overheating. DO NOT COVER THE OPENINGS.
8.Make sure the voltage of the power source is correct before connecting
the equipment to the power outlet.
9.Position the power cord so that people cannot step on it. Do not place
anything over the power cord.
10.All cautions and warnings on the equipment should be noted.
11.If the equipment is not used for a long time, disconnect it from the
power source to avoid damage by transient overvoltage.
12.Never pour any liquid into an opening. This may cause fire or electrical
shock.
13.Never open the equipment. For safety reasons, the equipment should be
opened only by qualified service personnel.
14.If one of the following situations arises, get the equipment checked by
service personnel:
15.The power cord or plug is damaged.
16.Liquid has penetrated into the equipment.
17.The equipment has been exposed to moisture.
18.The equipment does not work well, or you cannot get it to work according to the user's manual.
19.The equipment has been dropped and damaged.
20.The equipment has obvious signs of breakage.
21.DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT
WHERE THE STORAGE TEMPERATURE MAY GO BELOW -20° C
(-4° F) OR ABOVE 70° C (158° F). THIS COULD DAMAGE THE
EQUIPMENT. THE EQUIPMENT SHOULD BE IN A CONTROLLED ENVIRONMENT.
22.CAUTION: DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY REPLACED. REPLACE ONLY WITH THE SAME OR
EQUIVALENT TYPE RECOMMENDED BY THE MANUFAC-
v
TURER, DISCARD USED BATTERIES ACCORDING TO THE
MANUFACTURER'S INSTRUCTIONS.
23.The sound pressure level at the operator's position according to IEC
704-1:1982 is no more than 70 dB (A).
DISCLAIMER: This set of instructions is given according to IEC 704-1.
Advantech disclaims all responsibility for the accuracy of any statements
contained herein.
This chapter provides an overview of
UNO-2173A/AF’s specifications.
Sections include:
• Introduction
• Hardware specification
• Safety precautions
• Chassis dimensions
Chapter 1 Overview
1.1 Introduction
UNO-2173A/AF is an embedded Application Ready Platform (ARP) that
can shorten your development time and offers rich networking interfaces
to fulfill extensive needs in different projects. Advantech’s Universal
Network Controller is designed to be a total solution for network enabled
Application Ready Platforms.
Leveraging field-approved and worldwide approved real-time OS technology, Advantech’s UNO-2000 series provides a Windows CE .NET
and Windows XP Embedded ready solution, and supports several standard networking interfaces, such as Ethernet, Wireless LAN, RS-232/
422/485 and so on. Because of its openness, great expansion capability
and reliable design (fanless and diskless), the UNO-2000 series are ideal
embedded platforms for implementing custom applications for diversified applications.
UNO-2173A/AF has been certified by Energy Star., recognizing its
extreme low power consumption and high energy utilization. To build a
low-carbon society everyone needs to do thier best. By selecting the
UNO-2173A/AF for your project, you have made a good contribution for
this planet.
UNO-2173A/AF User Manual2
1.2 Hardware Specifications
General
• CertificationsEnergy Star, CE, FCC class A, UL, CCC
• Dimensions (W x D x H)255 x 152 x 59 mm (10" x 6.0" x 2.3")
• EnclosureAluminum +SECC
• MountingWallmount, DIN-rail, VESA
• Industrial Grounding Isolation between chassis and power ground
• Power Consumption15 W (Typical)
• Power Requirements9 ~ 36 VDC (Min. 36 W), ATX
• Wei ght2.5 kg
• OS SupportWindows XPe/XP/CE 5.0 & 6.0, Linux
• System Design Fanless design with no internal cabling
System Hardware
• CPUIntel Atom 1.6 GHz (N270)
• Memory1GB DDR2 SDRAM built-in
• IndicatorsLEDs for Power, CF, LAN (Active, Status),
Serial (Tx, Rx)
• Keyboard/Mouse1 x PS/2
• StorageCF: 1 x front-accessible type I/II Compact
Flash slot
HDD: 1 x built-in 2.5" SATA HDD/SSD
bracket
• DisplayDB15 VGA connector, 1600 x 1200 @ 85 Hz
• Wat chdog TimerProgrammable 256 levels timer interval,
from 1 to 255 sec
• Expansion Slot1 x Mini-PCIe
3Chapter 1
I/O Interface
• Serial Ports2 x RS-232
• Serial Port Speed50 ~ 115.2 kbps
• LAN1 x 10/100/1000 Base-T RJ-45 ports
(Built-in boot ROM in flash BIOS)
• USB Ports2 x USB 2.0
Environment
• Humidity95% @ 40° C (non-condensing)
• Operating TemperatureIEC 68 2-2 with 100% CPU/ I/O loading
-20 ~ 70° C (-4 ~ 158° F)
With no airflow: Up to 60° C
• Ingress Protection IP40
• Shock ProtectionIEC 68 2-27CF: 50 G @ wallmount, 11 ms
HDD: 20 G @ wall mount, half sine, 11 ms
The following sections tell how to make each connection. In most cases,
you will simply need to connect a standard cable.
Warning!Always disconnect the power cord from your
chassis whenever you are working on it. Do not
connect while the power is on. A sudden rush of
power can damage sensitive electronic components. Only experienced electronics personnel
should open the chassis.
Caution!Always ground yourself to remove any static
electric charge before touching UNO-2173A/AF.
Modern electronic devices are very sensitive to
static electric charges. Use a grounding wrist
strap at all times. Place all electronic components on a static-dissipative surface or in a staticshielded bag.
5Chapter 1
1.4 Chassis Dimensions
111.09
241.80
149.24
10.51
Ø
5.40
Ø
4.00
228.20
2.00
58.71
141.60
254.80
254.80
241.80
111.09
141.60
228.20
Figure 1.1: UNO-2173A Chassis Dimensions
149.24
4.00
5.40
10.51
2.00
58.71
UNO-2173A/AF User Manual6
111.09
241.80
149.24
10.51
Ø
5.40
Ø
4.00
228.20
2.00
58.71
141.60
254.80
254.80
241.80
111.09
141.60
228.20
Figure 1.2: UNO-2173AF Chassis Dimensions
149.24
4.00
5.40
10.51
2.00
58.71
7Chapter 1
1.5 Accessories
Please refer below for the accessory list:
• 3-pin connector for power wiring (Advantech P/N : 1652003206)
• 5-pin connector for COM3 RS-422/485 ( UNO-2173AF only,
Advantech P/N : 1652000177)
• SATA signal cable (Advantech P/N : 1700006812)
• SATA power cable (Advantech P/N : 1700004712)
• 10 PCS jumper (Advantech P/N : 1653302122)
• Keyboard/Mouse Y cable (Advantech P/N : 1700060202)
• Driver DVD
• Warranty card
If anything is missing or damaged, contact your distributor or sales representative immediately.
UNO-2173A/AF User Manual8
2
2
CHAPTER
Hardware Functionality
This chapter shows how to setup the
UNO-2173A/AF’s hardware functions,
including connecting peripherals, setting switches and indicators.
Sections include:
• Peripherals
• RS-232 Interface
• RS-422/485 Interface
• LAN / Ethernet Connector
• Power Connector
• PS/2 Mouse and Keyboard Connector
• USB Connector
• VGA Display Connector
• Battery Backup SRAM
• Reset Button
Chapter 2 Hardware Functionality
2.1 Introduction
The following two figures show the connectors on UNO-2173A/AF. The
following sections give you detailed information about function of each
peripheral.
Figure 2.1: Front panel of UNO-2173A/AF
Figure 2.2: Rear panel of UNO-2173AF
2.2 RS-232 Interface (COM1~COM2)
The UNO-2173A/AF offers two standard RS-232 serial communication
interface ports: COM1 and COM2. Please refer to A.3 for their pin
assignments.
IRQ and Address Setting
The IRQ and I/O address range of COM1 and COM2 are listed below:
COM1: 3F8H, IRQ4
COM2: 2F8H, IRQ3
UNO-2173A/AF User Manual10
2.3 RS-422/485 Interface (UNO-2173AF)
The UNO-2173AF offers one RS-422/485 serial communication interface
ports: COM3. Please refer to Appendix A.4 for their pin assignments. The
default setting of COM3 is RS-422.
2.3.1 RS-422/485 Selection
The mode of UNO-2173AF COM3 can be selected in the BIOS. Please
enter the BIOS setting screen and select the "Integrated Peripherals", then
the follow screen would be shown. In the screen you can configure the
resource and the mode.
2.3.2 Automatic Data Flow Control Function for RS-485
In RS-485 mode, UNO-2173AF automatically detects the direction of
incoming data and switches its transmission direction accordingly. So no
handshaking signal (e.g. RTS signal) is necessary. This lets you conveniently build an RS-485 network with just two wires. More importantly,
application software previously written for half duplex RS-232 environments can be maintained without modification.
11Chapter 2
2.3.3 Termination Resistor (SW3)
The onboard termination resistor (120 ohm) for COM3 can be used for
long distance transmission or device matching. (Default Open.)
Table 2.1: Terminal Resistor for COM3
SW3Status
DIP1ONAdd termial resistor on Tx+/Tx- of RS-422 or
Data+/Data- of RS-485
OFFOpen (default)
DIP2ONAdd termial resistor on Rx+/Rx- of RS-422
OFFOpen (default)
2.4 LAN: Ethernet Connector
UNO-2173A is equipped with one Giga LAN controller and UNO2173AF has two. The controller chip used in both model is RTL8111C
Ethernet controller that is fully compliant with IEEE 802.3u 10/100BaseT CSMA/CD standards and IEEE 802.3ab specification for 1000Mbps
Ethernet. The Ethernet port provides a standard RJ-45 jack on board, and
LED indicators on the front side to show its Link (Green LED) and
Active (Yellow LED) status.
2.5 Power Connector
The UNO-2173A/AF comes with a Phoenix connector that carries 9~36
VDC external power input, and features reversed wiring protection.
Therefore, it will not cause any damage to the system by reversed wiring
of ground line and power line. Please refer to Appendix A.5
2.6 PS/2 Keyboard and Mouse Connector
The UNO-2173A/AF provides a PS/2 keyboard and mouse connector. A
6-pin mini-DIN connector is located on the rear panel. The UNO-2173A/
AF comes with an adapter to convert from the 6-pin mini-DIN connector
to two 6-pin mini-DIN connectors for PS/2 keyboard and PS/2 mouse
connection.
UNO-2173A/AF User Manual12
2.7 USB Connector
The USB interface supports Plug and Play, which enables you to connect
or disconnect a device whenever you want, without turning off the computer.UNO-2173A provides two and UNO-2173AF provides four connectors of USB interfaces, which gives complete Plug & Play and hot
swapping for up to 127 external devices. The USB interface complies
with USB EHCI, Rev. 2.0 compliant. The USB interface can be disabled
in the system BIOS setup. Please refer to Appendix A.7 for its pin assignments.
2.8 VGA Display Connector
The UNO-2173A/AF provides a VGA controller (Intel 945GSE GME,
for a high resolution VGA interface. It supports up to 2048 x 1536 @ 75
Hz maximum resolution
2.9 Battery Backup SRAM (Reserved)
UNO-2173A/AF reserves 1 MB of battery backed SRAM for projects.
This ensures that you have a safe place to store critical data. You can now
write software applications without being concerned that system crashes
will erase critical data from the memory. Please contact Advantech if this
is function is required in your project.
There is a BTRY LED in the front panel of the UNO-2173A/AF, please
replace the lithium battery with a new one if the BTRY LED is activated.
13Chapter 2
2.9.1 Lithium Battery Specification
• Type: BR2032 (Using CR2032 is NOT recommended)
• Output voltage: 3 V
• Location: BH2, please refer to below figure
Figure 2.3: Lithium Battery Location
DC
Note:BH2 is for SRAM and BH1 is for Real Time Clock
2.10 Power Button / Power Management
Press the "PWR" button to power on or power off UNO-2173A/AF (ATX
type). UNO-2173A/AF supports the ACPI (Advanced Configuration and
Power Interface). Besides power on/off, it support multiple suspend
modes, such as Power on Suspend (S1), Suspend to RAM (S3), Suspend
to Disk (S4). In S3 and S4 suspend mode, the power consumption can be
less than 2W which meet criteria of Energy Star.
UNO-2173A/AF User Manual14
2.11 Reset Button
Press the "Reset" button to activate the hardware reset function.
2.12 HD Audio ( UNO-2173AF)
UNO-2173AF is equipped with ALC888-GR which is a High Definition
Audio Codec. UNO-2173AF provides 3 phone jack connector for 5.1
channel output. Please configure the function through provided software
utility.
2.13 PCI Express Mini Card Socket
UNO-2173A/AF supports one socket for PCI Express mini Card. This
interface is mainly target on the wireless application such as WLAN and
GPRS. User can install the card easily by the optional kit, please refer to
Chapter 3.2 for the details.
2.14 LVDS (UNO-2173AF)
UNO-2173AF provides the interface of LVDS (Low Voltage Differential
Signal) as another option for display purpose. It supports 18 and 36 bits
pixel color depth and resolution up to 1600 x 1200 (UXGA). For the
backlight control, user can connect the PWM type LCD inverter to the
LVDS_PWR. It can provide PWM signal to inverter to control the brightness of LCD backlight.
For the power line of the backlight, UNO-2173AF support +12V @ 1.2A
and +5V @ 1A. It should be normally OK for 12" and 15" LCD panel.
The related pin definition is on Appendix A.9, please refer to the table for
the necessary cable wiring. If our service is required for the project,
please don't hesitate to contact us.
15Chapter 2
UNO-2173A/AF User Manual16
2
3
CHAPTER
Initial Setup
This chapter introduces how to initialize the UNO-2173A/AF.
Sections include:
• Inserting a CompactFlash Card
• Chassis Grounding
• Conneting Power
• Connecting a Hard Disk
• BIOS Setup and System Assignments
Chapter 3 Initial Setup
3.1 Inserting a CompactFlash Card
1.Remove the power cord.
2.Unscrew the two screws of CF cover in the front panel.
3.Plug a CompactFlash card with your OS and application program
into a CompactFlash card slot on board.
4.Screw back the CF cover to ensure IP40 protection.
Note: The CompactFlash is allocated as "the Second-
ary IDE Master" by default.
User can change it to "Primary IDE Master" by
BIOS setting. Please enter BIOS and select
"Integrated Peripherals > IDE Device Setup >
IDE Configuration > Enhanced Mode"
3.2 Chassis Grounding
UNO-2173A/AF provides good EMI protection and a stable grounding
base. There is an easy-to-connect chassis grounding point for you to use.
Figure 3.1: Chassis Grounding Connection
Please also note that system ground and chassis ground are separated in
UNO-2173A/AF
UNO-2173A/AF User Manual18
3.3 Connecting Power
Connect the UNO-2173A/AF to a 9~36 VDC power source. The power
source can either be from a power adapter or an in-house power source.
3.4 Installing a Hard Disk
The procedure for installing a hard disk into the UNO-2173A/AF is
below. Please follow these steps carefully.
1.Remove the power cord.
2.Unscrew the six screws from the bottom panel.
3.Install the HDD on the HDD bracket.
4.Connect the SATA signal cable to CN21 and connect SATA power
cable to CN 22, then connect the other side of the cable to the
SATA hard disk.
5.Screw back the bottom panel with the six screws.
19Chapter 3
3.5 Installing a Wireless LAN Card and Antenna
Please contact Advantech to prepare the following optional kit:
Rear Panel for Antenna.
• 1960032715N040 for UNO-2173A
• 1960032715N020 for UNO-2173AF
• The internal cable : 1700001854 (11cm)
Wireless Module ( PCI Express mini card )
• One of the suggested module is 968EMW0006 which is a verified
Wireless IEEE 802.11b/g/n module
UNO-2173A/AF User Manual20
Antenna
• Please select the necessary specification according to your application.
• One of the suggested antenna is 1750003222 (18 cm) which is a veri-
fied 802.11b/g 5dBi Dipole Antenna
Then follow the below steps for the installation:
1.Unscrew the bottom panel and open it.
2.Install the internal cable 1700001854 on the prepared rear panel
with the hole of antenna (1960032715N040 or 1960032715N020).
3.Replace the original rear panel with the panel assembled in step 2.
4.Plug the Wireless module onto the PCI Express mini card socket (
CN9)
5.Connect the internal cable with the module.
21Chapter 3
6.Screw back the bottom panel.
7.Assemble the antenna on the SMA connector.
3.6 BIOS Setup
Press "DEL" in the boot-up screen to enter the BIOS setup utility. Please
follow the instruction on the screen to do the necessary settings.
Please note that you can try to “Load Optimized Defaults” from the BIOS
Setup manual if the UNO-2173A/AF does not work properly.
There are several connectors and jumpers on the UNO-2173A/AF board.
The following sections tell you how to configure the UNO-2173A/AF
hardware setting. Figure A-1 shows the locations of UNO-2173A/AF’s
connectors and jumpers.
Figure A.1: Connector & Jumper Locations (front)
Table A.3: UNO-2173A/AF Connectors and Jumpers
LabelFunction
FS1Fuse for input DC power
CN3Clear CMOS
CN8 CN9 PCI Express mini Card Socket
CN14USBx2 pin-head (reserved)
CN17LVDS power setting
CN21SATA signal connector
CN22SATA power connector
CN27Print port (reserved)
SW3Switch for terminal resistor of COM3
BH1Battery for RTC
BH2Battery for SRAM (reserved)
UNO-2173A/AF User Manual26
A.3 RS-232 Standard Serial Port (COM1~COM2)
Table A.4: RS-232 standard serial port pin assignments
PinRS-232 Signal Name
1DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
27Appendix A
A.4 RS-422/485 Serial Port (UNO-2173AF)
Table A.5: RS-422/485 serial port pin assignments
PinRS-422RS-485
1TX+Data+
2TX-Data-
3RX+
4RX-
5GND
A.5 Power Connector (PWR)
Table A.6: Power connector pin assignments
Pin
1V+ (9~36V
2V-
3Field Ground
UNO-2173A/AF User Manual28
DC
)
A.6 PS/2 Keyboard and Mouse Connector
6
4
5
3
12
Table A.7: Keyboard and Mouse connector pin assignments
PinSignal Name
1KB DATA
2MS DATA
3GND
4VCC
5KB Clock
6MS Clock
A.7 USB Connector
Table A.8: USB connector pin assignments
PinSignal NameCable Color
1VCCRed
2DATA+White
3DATA-Green
4GNDBlack
29Appendix A
A.8 VGA Display Connector
5
106
15
Table A.9: VGA adaptor cable pin assignment
PinSignal Name
1Red
2Green
3Blue
4NC
5GND
6GND
7GND
8GND
9NC
10GND
11NC
12NC
13H-SYNC
14V-SYNC
15NC
1
11
UNO-2173A/AF User Manual30
A.9 LVDS and LVDS_PWR (UNO-2173AF)
A.9.1 LVDS
Table A.10: LVDS pin definitions
PinSignalPinSignal
1LVDS1_Z_CLK+14LVDS1_Z_CLK-
2GND15LVDS0_Z_D0-
3LVDS0_Z_D0+16LVDS0_Z_D1-
4LVDS0_Z_D1+17LVDS0_Z_D2-
5LVDS0_Z_D2+18LVDS0_Z_CLK-
6LVDS0_Z_CLK+19GND
7VDD_DSUB20VDD_DSUB
8GND21NC
9NC22LVDS1_Z_D0-
10LVDS1_Z_D0+23LVDS1_Z_D1-
11LVDS1_Z_D1+24LVDS1_Z_D2-
12LVDS1_Z_D2+25NC
13NC26GND
31Appendix A
A.9.2 LVDS Power Setting (CN17)
Table A.11: CN17 Configuration
ConfigurationFunction
VDD_DSUB (Pin 7 and Pin 20) of LVDS pin is +5V
1
2
3
5
1
3
5
4
6
VDD_DSUB (Pin 7 and Pin 20) of LVDS pin is +3.3V
2
4
6
A.9.3 LVDS_PWR (Backlight Control)
5
9
Table A.12: LVDS_PWR pin definition
PinSignal
1+12V (1.2A)
2GND
3INVERTER ENABLE
4BRIGHTNESS (PWM)
5+5V (1A)
6LVDS_DDC_CLK
7LVDS_DDC_DATE
8GND
9NC
1
6
UNO-2173A/AF User Manual32
A.10 Clear CMOS (CN3)
This jumper is used to erase CMOS data and reset system BIOS information. Follow the procedures below to clear the CMOS.
1. Turn off the system.
2. Close jumper CN3 (1-2) to clear CMOS .
3, Remove jumper CN3(1-2)
3. Turn on the system. The CMOS is now cleared.
4. Turn on the system. The BIOS is reset to its default setting.
Table A.13: CN3 Clear CMOS
ConfigurationFunction
12
Clear CMOS
12
Normal ( Default)
33Appendix A
UNO-2173A/AF User Manual34
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