Advantech Watchdog Timer UNO-2171 User manual

UNO-2171
P e n t i u m - M / C e l e r o n - M
Universal Network Controller
with PC/104+ Expansion
User Manual

UNO-2171 User Manual ii
Copyright
This document is copyrighted, © 2007. All rights are reserved. The origi-
nal manufacturer reserves the right to make improvements to the products
described in this manual at any time without notice.
No part of this manual may be reproduced, copied, translated or transmit-
ted 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.
This manual is for UNO-2171.
Part No. 2003217101 2nd Edition
Printed in Taiwan August 2007

iii
Product Warranty
Advantech warrants to you, the original purchaser, that each of its prod-
ucts 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 instal-
lation. 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 test-
ing, 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 on-
screen 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 prod-
uct 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.

UNO-2171 User Manual iv
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 environ-
ment. 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. Opera-
tion of this equipment in a residential area is likely to cause harmful inter-
ference 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 (operating system, version, application
software, etc.)
- A complete description of the problem
- The exact wording of any error messages

v Table of Contents
Contents
Chapter 1 Overview ...........................................................2
1.1 Introduction ....................................................................... 2
1.2 Hardware Specifications ................................................... 3
1.3 Safety Precautions ............................................................. 4
1.4 Chassis Dimensions........................................................... 5
Figure 1.1:Chassis Dimensions 1.................................... 5
Figure 1.2:Chassis Dimensions 2.................................... 5
Figure 1.3:Chassis Dimensions 3.................................... 5
Chapter 2 Hardware Functionality ..................................8
2.1 Introduction ....................................................................... 8
Figure 2.1:UNO-2171 Front Panel ................................. 8
Figure 2.2:UNO-2171 Rear Panel .................................. 8
2.2 RS-232 Interface (COM1~COM2) ................................... 8
2.3 RS-232/422/485 Interface (COM3~COM4) ..................... 9
2.3.1 16C550 UARTs with 16-byte standard .......................... 9
2.3.2 RS-422/485 detection ..................................................... 9
2.3.3 Automatic Data Flow Control Function for RS-485 ...... 9
2.3.4 Termination Resistor (JP9) ............................................. 9
2.3.5 RS-232/422/485 Selection ............................................ 10
Figure 2.3:RS-422/485 Jumper Setting ........................ 10
Figure 2.4:RS-232 Jumper Setting................................ 10
2.3.6 RS-485 Auto Flow & RS-422 Master/Slave Mode ...... 11
Table 2.1:Auto Flow & Slave/Master Selection........... 11
2.3.7 IRQ and Address Setting .............................................. 12
Table 2.2:IRQ Setting via switch 1 at SW5.................. 12
Table 2.3:IRQ Setting via switch 1 at SW5.................. 12
2.4 LAN: Ethernet Connector .............................................. 13
2.5 Power Connector ............................................................. 13
2.6 PS/2 Keyboard and Mouse Connector ............................ 13
2.7 USB Connector ............................................................... 13
2.8 PCMCIA: PC Card Slot .................................................. 14
2.9 VGA Display Connector ................................................. 14
2.10 Battery Backup SRAM.................................................... 14
2.10.1 Lithium Battery Specification....................................... 14
Figure 2.5:SRAM Lithium Battery Location................ 15
2.11 Reset Button .................................................................... 15
2.12 Power Button................................................................... 15
2.13 Audio............................................................................... 16
2.14 PC/104+........................................................................... 16
Figure 2.6:PC104+ Power Selection............................ 16

UNO-2171 User Manual vi
Chapter 3 Initial Setup.....................................................18
3.1 Chassis Grounding .......................................................... 18
Figure 3.1:Chassis Grounding Connection................... 18
3.2 Inserting a CompactFlash Card ....................................... 19
3.3 Installing a Hard Disk ..................................................... 19
3.4 Connecting Power ........................................................... 20
3.5 BIOS Setup and System Assignments ............................ 20
Appendix A System Settings & Pin Assignments .............22
A.1 System I/O Address & Interrupt Assignments................ 22
Table A.1: UNO-2171 System I/O Ports ...................... 22
A.2 Board Connectors and Jumpers....................................... 24
Figure A.1:Connectors & Jumpers (frontside) ............. 24
Figure A.2:Connectors & Jumpers (backside).............. 24
A.3 RS-232 Standard Serial Port (COM1~COM2) ............... 26
A.4 RS-232/422/485 Serial Port (COM3~COM4) ................ 27
A.5 Ethernet RJ-45 Connector (LAN1~LAN2)..................... 27
A.6 Phoenix Power Connector (PWR)................................... 28
A.7 PS/2 Keyboard and Mouse Connector ............................ 28
A.8 USB Connector (USB1~USB2) ...................................... 29
A.9 VGA Display Connector ................................................. 29
Appendix B Programming the Watchdog Timer .............32

2
CHAPTER
1
Overview
This chapter provides an overview of
UNO-2171’s specifications.
Sections include:
• Introduction
• Hardware specification
• Safety precautions
• Chassis dimensions

UNO-2171 User Manual 2
Chapter 1 Overview
1.1 Introduction
UNO-2171 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 Net-
work Controller is designed to be a total solution for network enabled
Application Ready Platforms.
Leveraging field-approved and worldwide approved real-time OS tech-
nology, 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 reli-
able design (fanless and diskless), the UNO-2000 series are ideal embed-
ded platforms for implementing custom applications for diversified
applications.

3 Chapter 1
1.2 Hardware Specifications
• CPU: Pentium M 1.4GHZ / Celeron M 1 GHZ
• Memory: 512MB/1GB on board
• Battery-backup RAM: 512 KB Battery-backup RAM
• VGA/Keyboard/Mouse: DB-15 VGA Connector, PS/2 keyboard & mouse
• Serial Ports: 2 × RS-232 and 2 x RS-232/422/485 with DB-9 connectors.
Automatic RS-485 data flow control
• Serial Speeds: RS-232: 50~115.2 kbps, RS-422/485: 50~921.6 kbps
• LAN: Two 10/100 Base-T RJ-45 Ports
• USB interface: Two USB ports, USB EHCI, Rev. 2.0 compliant
• Audio: Mic in, Line in, Line out
• PC Card: One PC Card slot. Supports CardBus (Card-32) Card and 16-bit
(PCMCIA 2.1/JEIDA4.2) Card. Supports +5 V, +3.3 V working power
• SSD: Two internal Type I / Type II CompactFlash card slot
• LEDs: Power (Power Standby: Orange, Power on : Green), IDE,
Alarm for RAM Backup Battery
• PC/104+: PC/104+ slot, Supports +5V Power
• HDD: HDD extension kit for installation of one standard 2.5” HDD
• Anti-Shock: 20 G @ Wall mounting, IEC 68 2-27, half sine, 11 ms w/
HDD50 G @ Wall mounting, IEC 68 2-27, half sine, 11 ms w/CF
• Anti-Vibration: 2 Grms w/CF @IEC 68 section 2-64, random, 5 ~ 500 Hz,
1 Oct./min, 1 hr/axis. 1 Grms w/ HDD @ IEC 68 section
2-64, random, 5 ~ 500 Hz, 1 Oct./min, 1 hr/axis
• Power Requirement: Min. 48 W (10 ~ 53 VDC) (e.g +24 V @ 2 A) (ATX)
• Power Consumption: 30W (Typical)
• Operating temperature: -10~65° C (14~149° F)
• Storage Temperature: -20~80° C (-4~176° F)
• Relative humidity: 95% @ 40°C
• Weight: 2.4 kg
• Chassis size (W × L × H): 255 x 152 x 59 mm (10”× 6.0”× 2.36”)
• Software options: WinXP Embedded, Win2000/XP, Win CE 5.0, Linux
• Certification: CE, FCC Class A, UL

UNO-2171 User Manual 4
1.3 Safety Precautions
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 compo-
nents. Only experienced electronics personnel
should open the chassis.
Caution! Always ground yourself to remove any static
electric charge before touching UNO-2171. Mod-
ern 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 static-shielded
bag.

5 Chapter 1
1.4 Chassis Dimensions
Figure 1.1: Chassis Dimensions 1
Figure 1.2: Chassis Dimensions 2
Figure 1.3: Chassis Dimensions 3

UNO-2171 User Manual 6

2
CHAPTER
2
Hardware Functionality
This chapter shows how to setup the
UNO-2171’s hardware functions,
including connecting peripherals, set-
ting switches and indicators.
Sections include:
• Peripherals
• RS-232 Interface
• RS-232/422/485 Interface
• LAN / Ethernet Connector
• Power Connector
• PS/2 Mouse and Keyboard Connector
• USB Connector
• PCMCIA: PC Card Slot
• VGA Display Connector
• Battery Backup SRAM
• Reset Button
• Power Button
• Audio
• PC/104+

UNO-2171 User Manual 8
Chapter 2 Hardware Functionality
2.1 Introduction
The following two figures show the connectors on UNO-2171. The fol-
lowing sections give you detailed information about function of each
peripheral.
Figure 2.1: UNO-2171 Front Panel
Figure 2.2: UNO-2171 Rear Panel
2.2 RS-232 Interface (COM1~COM2)
The UNO-2171 offers two standard RS-232 serial communication inter-
face ports: COM1 and COM2. Please refer to A.3 for their pin assign-
ments.
IRQ and Address Setting
The IRQ and I/O address range of COM1 and COM2 are listed below:
COM1: 3F8H, IRQ4
COM2: 2F8H, IRQ3

9 Chapter 2
2.3 RS-232/422/485 Interface (COM3~COM4)
The UNO-2171 offers two RS-232/422/485 serial communication inter-
face ports: COM3 and COM4. Please refer to Appendix A.4 for their pin
assignments. The default setting of COM3 and COM4 are RS-422/485.
2.3.1 16C550 UARTs with 16-byte standard
Advantech UNO-2171 comes with TI16C550 UARTs containing 16 bytes
FIFOs.
2.3.2 RS-422/485 detection
In RS-422/485 mode, UNO-2171 automatically detects signals to match
RS-422 or RS-485 networks. (No jumper change required)
2.3.3 Automatic Data Flow Control Function for RS-485
In RS-485 mode, UNO-2171 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 conve-
niently build an RS-485 network with just two wires. More importantly,
application software previously written for half duplex RS-232 environ-
ments can be maintained without modification.
2.3.4 Termination Resistor (JP9)
The onboard termination resistor (120 ohm) for COM3/COM4 can be
used for long distance transmission or device matching. (Default Open.)
Pin Description
A TX+/TX- for COM3
Data+/Data- for COM3
B RX+/RX- for COM3
C TX+/TX- for COM4
Data+/Data- for COM4
D RX+/RX- for COM4

UNO-2171 User Manual 10
2.3.5 RS-232/422/485 Selection
COM3 and COM4 support 9-wire RS-232, RS-422 and RS-485 inter-
faces. The system detects RS-422 or RS-485 signals automatically in RS-
422/485 mode.
To select between RS-422/485 and RS-232 for COM3, adjust JP7.
To select between RS-422/485 and RS-232 for COM4, adjust JP8.
Jumper setting for RS-422/485 interface: (Default setting). (JP7 and JP8)
Figure 2.3: RS-422/485 Jumper Setting
Jumper setting for RS-232 interface: (JP7 and JP8)
Figure 2.4: RS-232 Jumper Setting

11 Chapter 2
2.3.6 RS-485 Auto Flow & RS-422 Master/Slave Mode
You can set the “Auto Flow Control” mode of RS-485 or “Master/Slave”
mode of RS-422 by using the SW4 DIP switch for each RS-422/485 port.
In RS-485, if the switch is set to “Auto”, the driver automatically senses
the direction of the data flow and switches the direction of transmission.
No handshaking is necessary.
In RS-422, if DIP switch is set to “On,” the driver is always enabled, and
always in high or low status.
Table 2.1: Auto Flow & Slave/Master Selection
SW4 DIP Switch Setting COM Port Mode Selections
COM3 RS-422: Slave mode
RS-485: Auto flow control
COM4 RS-422: Slave mode
RS-485: Auto flow control
COM3 RS-422: Master mode
RS-485: N/A
COM4 RS-422: Slave mode
RS-485: Auto flow control
COM3 RS-422: Slave mode
RS-485: Auto flow control
COM4 RS-422: Master mode
RS-485: N/A
COM3 RS-422: Master mode
RS-485: N/A
COM4 RS-422: Master mode
RS-485: N/A
1
2
O
N
1
2
O
N
1
2
O
N
1
2
O
N

UNO-2171 User Manual 12
2.3.7 IRQ and Address Setting
The IRQ and I/O address range of COM3 and COM4 are listed below:
• COM3: 3E8H, IRQ10 (Independent IRQ), IRQ10 (Share IRQ)
• COM4: 2E8H, IRQ5 (Independent IRQ), IRQ10 (Share IRQ)
• Vector address for share IRQ: 1D0H
You can set “Share IRQ” or “Independent IRQ” by the first switch of
SW5.
You can adjust the transmission rate by the second switch of SW5.
* To increase the normal baud rates by eight times, (e.g. if 115.2K bps is
set, the baud rate will be increased to 921.6K bps), set switch 2 of SW5
to “on”.
Table 2.2: IRQ Setting via switch 1 at SW5
Switch 1 at SW5 setting Function
Share IRQ (default)
Independent IRQ
Table 2.3: IRQ Setting via switch 1 at SW5
Switch 1 at SW5 setting Function
Speed x 8*
Speed x 1 (default)
1
2
O
N
1
2
O
N
1
2
O
N
1
2
O
N

13 Chapter 2
2.4 LAN: Ethernet Connector
The UNO-2171 is equipped with a Realtek RTL8139DL Ethernet LAN
controller that is fully compliant with IEEE 802.3u 10/100Base-T
CSMA/CD standards. 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-2171 comes with a Phoenix connector that carries 10~53 VDC
(ATX) 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.6
2.6 PS/2 Keyboard and Mouse Connector
The UNO-2171 provides a PS/2 keyboard and PS/2 mouse connector. A
6-pin mini-DIN connector is located on the rear panel of the UNO-2171.
The UNO-2171 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. Please refer to Appendix A.7 for its pin assign-
ments.
2.7 USB Connector
The USB connector is used for connecting any device that conforms to
the USB interface. Many recent digital devices conform to this standard.
The USB interface supports Plug and Play, which enables you to connect
or disconnect a device whenever you want, without turning off the com-
puter.
The UNO-2171 provides two 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.8 for its pin assignments.

UNO-2171 User Manual 14
2.8 PCMCIA: PC Card Slot
The UNO-2171 provides one PC Card slot that supports CardBus (Card-
32) cards and 16-bit (PCMCIA 2.1/JEIDA 4.2) card standards. It supports
+3.3 V, +5 V. The PC Card is 85.6 mm long by 54 mm wide (3.37" x
2.126"), use a 68-pin connector and a removable module standardized by
PCMCIA that is known as “PCMCIA card.”
PS: PCMCIA interrupt assignment is IRQ 7.
2.9 VGA Display Connector
The UNO-2171 provides a VGA controller (Intel 855/852 GME, supports
a single 1.5V accelerated graphics port interface) for a high resolution
VGA interface. It supports CRT Mode: 1280 x 1024 @ 32bpp (60Hz),
1024 x 768 @ 32bpp (85Hz); LCD/Simultaneous Modes: 1280 x 1024 @
16bpp(60Hz), 1024 x 768 @16bpp(60Hz) and up to 32 MB shared mem-
ory.
2.10 Battery Backup SRAM
UNO-2171 provides 512 KB of battery backed SRAM. 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 criti-
cal data from the memory.
There is a BTRY LED in the front panel of the UNO-2171, please replace
the lithium battery with a new one if the BTRY LED is activated.
2.10.1 Lithium Battery Specification
• Type: BR2032 (Using CR2032 is NOT recommended)
• Output voltage: 3 VDC
• Location: the backside of UNO-2171 board.
(BH1 is for real time clock, BH2 is for SRAM)