Unicorn ENDAT-3203M User manual

User’s Manual I
ENDAT-3203M/3220M
User’s Manual
Rev. 3A
For 3203M PCB ver. 2C or later
3220M PCB ver. 2C or later
11/02/2005

II The Mini-ITX system board
Copyright Notice
The content of this manual has been checked for accuracy. The manufacturer assumes no
responsibility for any inaccuracies that may be contained in this manual. The manufacturer
reserves the right to make improvements or modification to this document and/or the
product at any time without prior notice. No part of this document may be reproduced,
transmitted, photocopied or translated into any language, in any form or by any means,
electronic, mechanical, magnetic, optical or chemical, without the prior written permission
of the manufacturer.
VIA is registered trademark of VIATechnology Incorporation
VT82C686B may only be used to identify products of VIATechnology
Realtek is registered trademark of Realtek Technologies Inc.
Multiscan is a trademark of Sony Corp of America
IBM, EGA, VGA, PC/XT, PC/AT, OS/2 and PS/2 are registered trademarks of International
Business Machines Corporation
Intel is a registered trademark of Intel Corporation
Plug and Play is registered trademarks of Intel Corporation
Microsoft, Windows and MS-DOS are trademarks of Microsoft Corporation
AMI is a trademark of American Megatrends Inc.
PCI is a registered trademark of PCI Special Interest Group
Other product names mentioned herein are used for identification purpose only and may be
trademarks and/or registered trademarks of their respective companies.
Installation Notice
The manufacturer recommends using a grounded plug to ensure proper motherboard
operation. Care should be used in proper conjunction with a grounded power receptacle to
avoid possible electrical shock. All integrated circuits on this motherboard are sensitive to
static electricity. To avoid damaging components from electrostatic discharge, please do not
remove the board from the anti-static packing before discharging any static electricity to
your body, by wearing a wrist-grounding strap. The manufacturer is not responsible for any
damage to the motherboard due to improper operation.

User’s Manual III
Specification:
This manual covers two different layout models, and the respective board layouts
are shown in chapter 1-4. Please refer to the following description to make sure
which model on hand before using.
ENDAT-3203M ENDAT-3220M
System Chipset VIA VT8601A + VIA VT82C686B (APOLLO PLE-133)
Micro Processor Embedded Low Power Consumption VIA Eden 533 MHz , C3-800 MHz or
1 GHz CPU
Memory 1 DIMM Socket up to 512MB SDRAM (max)
LAN / Dual LAN 1 Realtek 8139D or Intel 82551QM/ER 10/100 BaseT LAN onboard
LCD / VGA Support 24 Bits TFT LCD Panel with 2D / 3D Graphic Controller, SMA up to 8MB
IDE Connector 2 x Enhance IDE Connectors Support UDMA 33/66/100
FDD Connector 1 x FDD Connector
Expansion Slot 1x 120Pin PCI Connector for PCI expansion.
I/O PORTS 4 COMs with +5V, +12V power selector; 2LPTs; 1IrDA
USB Port 4 x USB2.0 2 x USB1.1
Audio Port Yes N/A
TTL LCD Feature Yes N/A
TFT LCD Connector 44 Pin Box Header N/A
LVDS output Via Optional LVDS Kit
(UC-LT1815/UC-LT1824) N/A
RS-422/485 Optional via COM2
Power Supply ATX Power support.
Form Factor Mini ITX / ATX / 170mm x 170mm (6.69” x 6.69”)

IV The Mini-ITX system board
TABLE OF CONTENTS
CHAPTER 1. INTRODUCTION ............................................................1
1-1. FEATURES............................................................................................................2
1-2. UNPACKING........................................................................................................4
1-3. ELECTROSTATIC DISCHARGE PRECAUTIONS............................................4
1-4. MOTHERBOARD LAYOUT (ENDAT-3203M)..................................................5
1-5. MOTHERBOARD LAYOUT (ENDAT-3220M) .................................................6
CHAPTER 2. SETTING UPTHE CPU MOTHERBOARD ................7
2-1. JUMPERS AND CONNECTORS (ENDAT-3203M)............................................7
2-2. JUMPERS AND CONNECTORS (ENDAT-3220M)..........................................12
2-3. INSTALLING MEMORY ....................................................................................16
2-4. SHARED VGA MEMORY ..................................................................................16
2-5. INSTALLING RISER CARD...............................................................................16
2-6. ASSIGNING IRQs FOR EXPANSION CARDS..................................................17
CHAPTER 3. AMI BIOS SETUP..........................................................18
3-1. QUICK SETUP.....................................................................................................19
3-2. DESCRIPTION OF BIOS SETUP OPTIONS......................................................19
3-3. ADVANCED CMOS SETUP ...............................................................................20
3-4. DETAILS OF THE ADVANCED CHIPSET SETUP...........................................22
3-5. POWER MANAGEMENT SETUP......................................................................24
3-6. PCI/ PLUG AND PLAY SETUP ..........................................................................26
3-7. PERIPHERAL SETUP.........................................................................................28
3-8. HARDWARE MONITOR SETUP.......................................................................31

User’s Manual V
`CHPATER 4. VGA, LCD, FEATURE..................................................32
4-1. AGP-BUS VGA FEATURE..................................................................................32
4-2. LCD FLAT PANEL FEATURE (ENDAT-3203M Only)......................................33
4-3. PCI BUS AUDIO ADAPTER FEATURES..........................................................34
4-4. DRIVER UTILITY INSTALLATION GUIDE ....................................................35
CHPATER 5. LANADAPTER...............................................................37
5-1. FEATURES...........................................................................................................37
5-2. UTP CABLE/RJ-45 JACK DEFINITION............................................................38
5-3. CONNECTING 100BASE-TX FAST ETHERNET NETWORK........................39
5-4. CONNECTING 10BASE-T ETHERNET NETWORK .......................................39
5-5. 10MBASE/ 100MBASE INSTALLATION NOTICE..........................................39
5-6. LED INDICATORS..............................................................................................40
5-7. THE SETUP PROGRAM ....................................................................................41
APPENDIX A: FLASH MEMORY UTILITY .....................................44
APPENDIX B: CONNECTOR PINASSIGNMENT...........................45
APPENDIX C: APM FUNCTION.........................................................50
APPENDIX D: LIMITED WARRANTY..............................................52

User’s Manual 1
Chapter 1. Introduction
In order to cope with the challenges of the heating issues and demand of much more
diminutive embedded system in diverse application, ENDAT-3203M/3220M system board
provides the ultimate solution by integrating with VIA’s technology low power consumption
VIA C3 series CPU and VIA EDEN fanless ESP series CPU. ENDAT-3203M/3220M series
provides the assorted functions for various applications such as high-end POS systems,
kiosks, networking systems, controlling terminals and other embedded systems.
ENDAT-3203M/3220M is a Mini-ITX format system board, which has the similar
format as the ATX format motherboards. They use
VIA chipsets built-in VGA and
Audio feature onboard, support TFT LCD feature with TTL/LVDS (Optional) interface as
feature option (for ENDAT-3203M only); i
ntegrated Super-I/O support 4 Serial with
power selector and 2 parallel ports,
built-in 1 Realtek 8139D LAN chipset with RJ-45
Jack for 10BaseT/ 100BaseT. The option of Intel 82551QM/ER chip is also provided as an
option. This system board offers the highest performance PC specification in the industry
with embedded low power consumption VIA EDEN Fan-less ESP series CPU ESP5000, and
with the option of the higher performed VIA C3 800MHz CPU or VIA C3 1GHz CPU.
ENDAT-3203M/3220M provides the options of riser card for up to 2 PCI
expansions via the edge connector along with the standard onboard PCI slot. This
board is fully compatible with industry standards, adding many technical
enhancements and are fully compatible with thousand of software application such
as WIN 95, 98, WIN ME, WIN XP, WIN NT 3.x / 4.x, WIN 2000, , WIN CE (.NET),
Linux, UNIX, Novell…etc. The control logic provides high-speed performance for
the most advanced multi-user, multitasking application available today.
“Tomorrow’s PC technology is here today”.

2 The ENDAT-3203M/3220M System Board
1-1. Features
Basic Feature:
Embedded VIAC3TM, EdenTM, EzraTM Low Power EBGA processors.
133 / 100 MHz CPU Front Side Bus (FSB)
DRAM interface synchronous or pseudo synchronous with CPU FSB speed
of 133 / 100 / 66 MHz Mixed 1M / 2M / 4M / 8M / 16M / 32MxN DRAMs
1 DIMM 168 Pin socket supported up to 512MB
3.3V DRAM interface with 5V tolerant inputs
Support two channel up to four UltraDMA-100 / 66 / 33 enhance IDE
AC-97 link.
On-board built-in 4 USB (ENDAT-3203M) or 2 USB (ENDAT-3220M)
ports with 2.0 or 1.1 compliant
Integrated Super-I/O support 4 Serial with power selector and 2 parallel
ports.
System Hardware monitoring
RTC / CMOS
PCI-2.0 compliant, 32 bit with 5V tolerant inputs.
Up to 3 PCI expansions with PCI riser technology via edge connector.
On-board support Realtek 8139D or Intel 82551QM/ER 10/100 LAN
adapter with RJ-45 port.
Integrated AGP Bus 2D / 3D graphic accelerator.
Windows 95 OSR-2 VXD, and integrated Windows 98 / ME / 2000 / NT 4.0
miniport driver support
Supports 2, 4 and 8 Mbytes of Frame Buffer with share memory.
Advanced support Power Management
CRT Power Management (VESA™ DPMS)
Optional for Flat Panel Interface (TTL or LVDS)
The ENDAT-3203M ITX board is designed to support industry standard TFT panel
via 44pin connector or LVDS transmitters (via LVDS kit). The interface supports
both 18-bit and 24-bit display modes.

User’s Manual 3
Optional Features
 Supports LAN adapter with Realtek or Intel chip
 Supports RS422/RS485 interface with COM2
 Support LVDS LCD panel (Optional for ENDAT-3203M via UC-LT1815/UC-LT1824
Kit)
 Supports TV-Out feature (via TV-Out adapter Kit)
 Support BOOT ROM (Only for 8139D and 82551QM, the 82551ER not Support BOOT
ROM)
Ordering information:
ENDAT-3203M
1. ENDAT-3203M-1R-10: Support 1 Realtek LAN, C3 1GHz
2. ENDAT-3203M-1R-5: Support 1 Realtek LAN, EDEN 533MHz
ENDAT-3220M
3. ENDAT-3220M-1R-8: Support 1 Realtek LAN, C3 800MHz
4. ENDAT-3220M-1R-10: Support 1 Realtek LAN, C3 1GHz
5. ENDAT-3220M-1R-5: Support 1 Realtek LAN, EDEN 533MHz
Note: The standard version of ENDAT-3203M/3220M is embedded with VIA C3
800 MHz and Realtek LAN chip other option will be provided upon request.

4 The ENDAT-3203M/3220M System Board
1-2. Unpacking
The motherboard comes securely packaged in a sturdy cardboard shipping carton. In
addition to the User's Manual, the motherboard package includes the following items:
 ENDAT-3203M/3220M System Board
 HDD/FDD Cables
 TV-Out adapter / cable (Optional)
 Audio Kit (Optional)
 LCD cable (Optional)
 CD-ROM Driver includes: Drivers for Windows NT 3.x/4.x, Windows 95, 98,
2000, Win Me, Novell Netware and AMI FLASH ROM utilities.
 Driver utilities for on-board VGA drivers, LAN adapter
If any of these items are missing or damage, please contact the dealer from whom you
purchase the motherboard. Save the shipping material and carton in the event that you want
to ship or store the board in the future.
Note: Leave the motherboard in its original package until you are ready to install it!
1-3. Electrostatic Discharge Precautions
Make sure you properly ground yourself before handling the motherboard, or other system
components. Electrostatic discharge can easily damage the components. Note: You must
take special precaution when handling the motherboard in dry or air-conditioned
environments.

User’s Manual 5
1-4. ENDAT-3203M

6 The ENDAT-3203M/3220M System Board
1-5. ENDAT-3220M

User’s Manual 7
Chapter 2. Setting up the CPU Motherboard
2.1 Jumpers and Connectors (ENDAT-3203M)
Function Jumpers/Connectors
Cooling Fan Connector JFAN1, JFAN2
AC97 Audio Connector CD_IN, JP1, CN1, CN2
AC97 CODEC Disable/Enable J4
LAN Adapter Disable/Enable JP6
COM1 Port (DB9) CN3
COM2 Port (BOXHEADER) CN5
2nd I/O Connector (for UC-COM34) J5, J6
COM Ports Power Selector (COM1, COM2) JP2
2nd I/O (UC-COM34) COM Ports Power Selector 2nd I/O Kit (UC-COM34) ( JP1)
RS232/RS422/RS485 Selector (COM2) JP5, JP3
On-Board USB 2.0 Disable/Enable JP11
USB DOUBLE DECK USB1, JRJ1
USB PIN HEADER CN6
LCD:TFT LCD Panel Connector LCD-CON1
Voltage Selector for LCD panel JP12
Clear CMOS JP8
Factory Setting J7, J8, J9, JP10
PS/2 Keyboard Jack JKBMS
PS/2 Mouse Jack JKBMS
PS/2 Mouse/KB Pin Header CN4
PS/2 Mouse/KB Jumper JKBMS2
IR J3
FDD Connector FDD1
IDE 1, IDE2 IDE1, IDE2
ATX Power Supply Connector ATX1
IDE LED JP7: Pin 1(–), Pin 2(+)
External Speaker JP7: Pin 3, Pin 6

8 The ENDAT-3203M/3220M System Board
Function Jumpers/Connectors
Buzzer On/Off JP7: Pin 4, Pin 5
Hardware Reset Switch JP7: Pin 7, Pin 8
External Power Good JP7: Pin 9, Pin 10
Internal Power Good JP7: Pin 10, Pin 11
ATX Power Supply On/Off Switch JP7: Pin 12, Pin 13
Power LED JP7: Pin 14(+), Pin 15(–)
JP8: CMOS Data Clear:
Pin 1-2 * Normal
PIN 2-3 Clear CMOS Data
JP6: On-board LAN Disable/Enable
Pin 1-2 * Enable On-Board LAN
Pin 2-3 Disable On-Board LAN
JP2 (COM1, 2) Voltage Selector:
Voltage COM1(JP2) COM2(JP2)
+12V(DC) 1-2 7-8
R.I. * 3-4 9-10
+5V(DC) 5-6 11-12
JP3, JP5: RS232 / 422 / 485 Selector for COM2
TYPE JP5 JP3
RS-232 * 1-2, 4-5, 7-8, 10-11 1-2
RS-422 (4 wire) 2-3, 5-6, 8-9, 11-12 3-4, 7-8
RS-485 (2 wire) 2-3, 5-6, 8-9, 11-12 5-6, 9-11, 10-12
* Make sure the port mode is set up correctly before installing any peripherals .
JP7: Pin 9~11: On-board Power Good Selector
Pin 9-10 * Using External Power Good
Pin 10-11 Using On Board Power Good
JFAN1, JFAN2: CPU / 2nd Cooling Fan Connector
Pin No. Function
Pin 1 Sensor Pin.
Pin 2 +12V
Pin 3 GND

User’s Manual 9
J3: IR Pin Header.
Pin No. Function
1 +5V(DC)
2 N.C.
3 IRRX
4 GND.
5 IRTX
Printer (LPT1) Port
Pin No. Description Pin No. Description
1 STB# 10 ACK#
2 PD0 11 BUSY
3 PD1 12 PE
4 PD2 13 SLCT
5 PD3 14 AFD#
6 PD4 15 ERR#
7 PD5 16 INIT#
8 PD6 17 SLIN#
9 PD7 18-25 GND
JP12: Voltage Selector for LCD PANEL
Pin No. LCD Power Signal
1-2 +5V(DC)Type
2-3 * +3.3V(DC)Type
Caution: Improper setting will damage LCD panel.
COM2 (CN5), 2nd I/O COM PORT Box Header:
Pin No. Description Pin No. Description
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI / PWR
5 GND 10 N.C.

10 The ENDAT-3203M/3220M System Board
CN6 (USB) Header
Pin No. Description Pin No. Description
1 USB_VCC 2 USB_VCC
3 USB_DATA0– 4 USB_DATA1–
5 USB_DATA0+ 6 USB_DATA1+
7 USB_GND 8 USB_GND
9 USB_GND 10 USB_GND
CN4: Pin Header for PS2 KB / MS
Pin No. Signal (KB) Pin No. Signal(MS)
1 KB Data 2 MS Data
3 KEY 4 KEY
5 GND 6 GND
7 +5V(DC) 8 +5V(DC)
9 KB_CLK 10 MS_CLK
JKBMS2: Jumper for PS2 KB/MS
Pin No. Signal (KB) Pin No. Signal(MS)
1 KB_JDT 2 MS_JDT
3 KB_DT 4 MS_DT
5 KB_JCK 6 MS_JCK
7 KB_CK 8 MS_CK
9 KEY 10 KEY
11 +5V (DC) 12 +5V (DC)
13 GND 14 GND
AC`97 Audio Connector:
CN1 MIC_IN
CN2 LINE_OUT
JP1 LINE_IN
CD_IN1 CD_IN
J4: AC`97 CODEC Disable/Enable
Pin 1-2 * Enable
Pin 2-3 Disable
Factory Setting:
J7: CLOSE pin1-2 J9: COLSE pin1-2
J8: COLSE pin1-2 J10: All pin OPEN

User’s Manual 11
J5, J6 FOR UC-COM34
2nd I/O (UC-COM 34) JP1 (COM 3, 4) Voltage Selector:
Voltage COM3 (JP1) COM4 (JP1)
+12V (DC) 1-2 7-8
R.I. * 3-4 9-10
+5V (DC) 5-6 11-12
LCD_CON1: TFT LCD Panel Port
Pin No. Signal Pin No. Signal
1 +12VCD 2 +12VCD
3 GND 4 GND
5 VDDLCD 6 VDDLCD
7 DISP ON/OFF 8 GND
9 BLUE 0 10 BLUE 1
11 BLUE 2 12 BLUE 3
13 BLUE 4 14 BLUE 5
15 BLUE 6 16 BLUE 7
17 GREEN 0 18 GREEN 1
19 GREEN 2 20 GREEN 3
21 GREEN 4 22 GREEN 5
23 GREEN 6 24 GREEN 7
25 RED 0 26 RED 1
27 RED 2 28 RED 3
29 RED 4 30 RED 5
31 RED 6 32 RED 7
33 GND 34 GND
35 PIXEL CLOCK 36 V-SYNC
37 DE (Data enable) 38 H-SYNC
39 GND 40 VDDLCD
41 VDDLCD 42 KEY
43 VDDLCD 44 VDDLCD
* Please make sure the Pin 1 location before inserting the LCD connector.
Please double-check the insertion and orientation of the LCD cable before applying power.
Improper installation will result in permanent damage LCD panel and M/B .

12 The ENDAT-3203M/3220M System Board
2-2. Jumpers and Connectors (ENDAT-3220M)
Jumpers/Connectors Overview:
Function Jumpers/Connectors
Cooling Fan Connector JFAN1, JFAN2
LAN Adapter Disable/Enable JP6
COM1 Port (DB9) CN3
COM2 Port (BOXHEADER) CN5
2nd I/O Connector (for UC-COM34) J5, J6
COM Ports Power Selector (COM1, COM2) JP2
2nd I/O (UC-COM34) COM Ports Power Selector 2nd I/O Kit (UC-COM34) ( JP1)
RS232/RS422/RS485 Selector (COM2) JP5, JP3
USB DOUBLE DECK JRJ1
USB PIN HEADER CN6 (Share with USB Port 0 /1)
Clear CMOS JP8
Factory Setting J7, J8, J9, JP10
PS/2 Keyboard Jack JKBMS
PS/2 Mouse Jack JKBMS
PS/2 Mouse/KB Pin Header CN4
PS/2 Mouse/KB Jumper JKBMS2
IR J3
FDD Connector FDD1
IDE 1, IDE2 IDE1, IDE2
ATX Power Supply Connector ATX1
IDE LED JP7: Pin 1(–), Pin 2(+)
External Speaker JP7: Pin 3, Pin 6
Buzzer On/Off JP7: Pin 4, Pin 5
Hardware Reset Switch JP7: Pin 7, Pin 8
External Power Good JP7: Pin 9, Pin 10
Internal Power Good JP7: Pin 10, Pin 11
ATX Power Supply On/Off Switch JP7: Pin 12, Pin 13
Power LED JP7: Pin 14(+), Pin 15(–)

User’s Manual 13
JP2 (COM1, 2) Voltage Selector:
Voltage COM1(JP2) COM2(JP2)
+12V(DC) 1-2 7-8
R.I. * 3-4 9-10
+5V(DC) 5-6 11-12
JP3, JP5: RS232 / 422 / 485 Selector for COM2
TYPE JP5 JP3
RS-232 * 1-2, 4-5, 7-8, 10-11 1-2
RS-422 (4 wire) 2-3, 5-6, 8-9, 11-12 3-4, 7-8
RS-485 (2 wire) 2-3, 5-6, 8-9, 11-12 5-6, 9-11, 10-12
* Make sure the port mode is set up correctly before installing any peripherals .
JP6: On-board LAN Disable/Enable
Pin 1-2 * Enable On-Board LAN
Pin 2-3 Disable On-Board LAN
JP7: Pin 9~11: On-board Power Good Selector
Pin 9-10 * Using External Power Good
Pin 10-11 Using On Board Power Good
JP8: CMOS Data Clear:
Pin 1-2 * Normal
PIN 2-3 Clear CMOS Data
JFAN1, JFAN2: CPU / 2nd Cooling Fan Connector
Pin No. Function
Pin 1 Sensor Pin.
Pin 2 +12V
Pin 3 GND
J3: IR Pin Header.
Pin No. Function
1 +5V(DC)
2 N.C.
3 IRRX
4 GND.
5 IRTX

14 The ENDAT-3203M/3220M System Board
Printer Port (LPT1 / LPT2)
Pin No. Description Pin No. Description
1 STB# 10 ACK#
2 PD0 11 BUSY
3 PD1 12 PE
4 PD2 13 SLCT
5 PD3 14 AFD#
6 PD4 15 ERR#
7 PD5 16 INIT#
8 PD6 17 SLIN#
9 PD7 18-25 GND
COM2, COM3 & COM4 Box Header:
Pin No. Description Pin No. Description
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI / PWR
5 GND 10 N.C.
CN4: Pin Header for PS2 KB / MS
Pin No. Signal (KB) Pin No. Signal(MS)
1 KB Data 2 MS Data
3 KEY 4 KEY
5 GND 6 GND
7 +5V(DC) 8 +5V(DC)
9 KB_CLK 10 MS_CLK