Unicorn Computer ENDAT-3857 User manual

ENDAT-3857 USERS MANUAL
UNICORN COMPUTER CORP.
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ENDAT-3857
For ENDAT-3857 PCB ver. A2 or later
Document version: 4.1
Release Date: Jun.18.2015

ENDAT-3857 USERS MANUAL
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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.
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
VIA is registered trademark of VIA Technology Incorporation
Plug and Play is registered trademarks of Intel Corporation
Microsoft, Windows and MS-DOS are trademarks of Microsoft Corporation
Award is a trademark of Phoenix Software 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.

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Specification:
Model ENDAT-3857
SoC
Supporting
Intel® Atom™QC E3845 /2MB cache/1.91GHz / TDP=10W
Intel® Atom™ DC E3827 /1MB cache/1.75 GHz / TDP=8W
Intel® Atom™QC J1900 /2.0GHz Up to 2.4GHz /2MB cache / TDP=10W
Memory 1 x 204-Pin DDR3 SODIMM socket
support DDR3L-1333 up to 8 GB (Non-ECC)
BIOS Phoenix UEFI
Ethernet 2x Intel® 82583V PCI-E Gigabit LAN
VGA
Intel® Gen7 w/4EUs graphics engines
(@ 542MHz/792MHz [Turbo])
Supports DX 11, OGL 3.0, OCL 1.1, OGLES 2.0,
and Full HW acceleration, decode: H.264, MPEG2/4, VC-1,
WMV9. Encode: H.264, MPEG2
Shared memory ; Maximum resolution up to 1920 x 1200
LVDS interface 24-bit dual channel via CH7511B through eDP
Support 18/24/36/48bit LVDS with backlight control
(maximum resolution 1920 x 1080 )
DisplayPort Video Display Port (Mini DP)
Dual view CRT + DP, CRT + LVDS, DP + LVDS
Serial 2 ports RS-232 with power selector (+12V / Ring-in / +5V)
RS 422 / 485 by COM2
SATA 1 x SATA2 connector with AHCI support
USB USB 2.0 x 2 (1 external + 1 internal) & USB 3.0 x 1 (1 external)
Expansion 2x Mini PCI-E (1 x full-sized, 1 x half-sized) Slot,
Half-sized support Mini PCIe or Mini or USB interface.
Full-sized support mSATA or Mini PCIe and USB interface.
Watch Dog
Timer On-chip supports 1 to 255 seconds / minutes
AUDIO Intel® Atom™ SoC built-in HD Audio controller
Realtek HD Codec w/speaker 1.2W amplifier
Power Supply 9V~ 24V DC
Form Factor 102mm x 147mm (4“ x 5.8“)

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Back Panel I/O
Model ENDAT-3857
1 x PS2 Keyboard & Mouse Double-decker connector
1 x VGA
1 x Mini DP Display port
2 x RJ-45 Connector
1 x USB(2.0) Connector & 1 x USB(3.0) Connector
Back Panel I/O
1 x SPK-out
I/O Onboard 1 x PS2 Keyboard & Mouse with 2.0mm Pin Header
COM1 & COM2 with 2.0 mm Box Header
1 x USB 2.0 with 2.54mm Pin Header
Speaker out, Line-in, CD-in, MIC-in, SPDIF with 2.0mm Pin Header
8-bits digital I/O for CMOS/TTL level
(4 bit input / 4 bit output) with 2.0mm Pin Header
I/O Onboard
1 x SPDIF + 1 x SM BUS with 2.0mm Pin Header

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TABLE OF CONTENTS
CHAPTER 1. INTRODUCTION ......................................................6
1-1. FEATURES.............................................................................................. 7
1-2. UNPACKING............................................................................................ 8
1-3. ELECTROSTATIC DISCHARGE PRECAUTIONS ................................... 8
1-4. MOTHERBOARD LAYOUT.................................................................... 10
CHAPTER 2. SETTING UP THE MOTHERBOARD..................... 11
2-1. Connector & Jumper List..................................................................11&12
CMOS Data Clear & Clear ME Register & ME disable………………………………………………. 13
PS/2 Keyboard / Mouse Header & USB Port Header …………………………………………………13
Serial Port & Serial Port Voltage Selector jumper setting ………………………………………14 & 15
HD Audio Jack / Header & SPDIF Header……………………………………………………………....16
SATA Connector & SATA Port Pin7 Select ……………………………………………………………..17
LCD Connector …………………………………………………………………………………………….19
LCD Panel & Backlight Jumper setting …………………………………………..………………..19 & 20
PWM Backlight Connector ………………….…………………………………………………………….20
Mini DP Connector …....………...…………………………………………………………………………20
Digital I/OHeader …………………………………………………………………………………………..21
SM Bus Header …………………………………………………………………………………………….21
CPU FAN Connector …...………………………………………………………………………………….21
Battery Connector ………………………………………………………………………………………….22
Power Connector …………………………………………………………………………………………..22
2-2. INSTALLING MEMORY.......................................................................... 23
2-3. SHARED VGA MEMORY....................................................................... 23
2-4. WATCH DOG TIMER .....................................................................23 & 24
2-5. Digital I/O........................................................................................25 & 26
CHAPTER 3. Phoenix UEFIBIOS SETUP...................................27
CHAPTER 4. VGA, SDVO AND DRIVERS...................................31
4-1. VGA FEATURE....................................................................................... 31
4-2. DRIVER UTILITY INSTALLATION GUIDE.............................................. 32

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APPENDIX A: FLASH MEMORY UTILITY ...................................33
APPENDIX B: LVDS PIN ASSIGNMENT .....................................34
APPENDIX C: CH7511B Backlight Control................................35
APPENDIX D: LIMITED WARRANTY ..........................................36

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Chapter 1. Introduction
In order to cope with the challenges of the system performance issues and demand
of much more visually embedded system in diverse application, ENDAT-3857
system board provides the ultimate solution with Intel® ATOM Bay Trail-I Intel®
Atom™ QC E3845, Intel®Atom™ DC E3827 and Intel® Atom™ QC J1900
Processors. This package offers a high performance Intel® CPU with optimal
power efficiency on the embedded market.
ENDAT-3857 supports Dual channel DDR3L-1333MHz memory. The maximal
capacity is up to 8GB.
ENDAT-3857 integrated Intel® Gen7 w/4EUs graphics engines which supports
DX11, OGL 3.0, OCL 1.1, OGLES 2.0.
ENDAT-3857 supports various kinds of display include VGA, DisplayPort and
LVDS; Dual display is also feasible.
ENDAT-3857 provides two Mini-PCIe slots to support one half-sized Mini-PCIe
interface and full-sized M-SATA interface.
The ideal solutions of ENDAT-3857
-POS system
-KIOSK
-Vehicle system
-Interactive system
-Industrial controller
-Gaming system
-Medical system
-Embedded system equipment

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1-1. Features
Basic Feature:
Intel® Atom™ QC E3845 (1.91GHz, 2MB cache)
Intel® Atom™ DC E3827 (1.75GHz, 1MB cache)
Intel® Atom™ QC J1900 (2.0GHz up to 2.4GHz, 2MB cache)
Dual channel DDR3L SO-DIMM socket supports 1333 MHz up to
8 GB (Non-ECC).
CRT and DisplayPort video display interface.
24-bit LVDS dual channel interface.
Dual PCI Express interface Gigabit Ethernet chip on-board.
One SATA 2.0 port With ACHI.
USB 2.0 x 2
1 external + 2 internal / USB port 2 Full-sized Mini PCI-E Slot,
USB port 3 share Half-sized Mini PCI-E slot or 2.54mm pin
headers).
USB 3.0 x 1 (1 external)
Tow Mini-PCIe slots :
Half-sized for Mini-PCIe or or USB interface.
Full-sized Auto switch for Mini-PCIe or mSATA and Support USB
interface.
Built-in HD Audio with 1.2W amplifier.
Digital IO 4In/4Out.
Two functional serial ports.
+9~24V DC input power
Software Support
Drivers for major embedded operating systems: Linux, Windows 8,
Windows7, and Windows Embedded.
Ordering information:
Standard edition:
ENDAT-3857-19 (Intel® Atom™ QC E3845)
ENDAT-3857-17 (Intel® Atom™ DC E3827)
ENDAT-3857-24 (Intel® Atom™ QC J1900)

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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-3857 System Board
 One SATA HDD Cable
 Two Serial (2.0mm) port Cable.
 LCD cable (Optional).
 DP Cable (Optional).
 CD with Driver utilities for on-board chipsets, VGA and LAN adapter
If any of these items is missing or damage, please contact the dealer whom you purchase
the motherboard from. 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.

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1-4.MOTHERBOARD LAYOUT.

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Chapter 2. Setting up the Motherboard
2-1. Connectors / Headers and Jumpers
Connectors Overview:
Function Connectors
Cooling Fan Connector FAN1
DC Power Supply Connector CN7
HDD Power Connector HDDPWR1
USB3.0 Port0 Connector CN4
USB 2.0 Port1 Connector CN4
USB 2.0 Port2 Full-sized Mini PCIe
USB 2.0 Port3 Header J4 / Half-sized Mini PCIe
LAN 1 Port Connector CN5
LAN 2 Port Connector CN6
SATA Connector SATA1
DDR3L RAM Socket DIMM1
CRT Output Connector CN10
Mini DP Port Connector CN8
24/48 bit LCD Panel Connector LVDS1
PWM Backlight Control Connector CN3
COM1 Box Header CN2
COM2 Box Header CN1
HD Audio Speaker Output CN9
Half-sized Mini-PCIe Socket MPCIE2
Full-sized Mini-PCIe Socket MPCIE1
Battery Connector J5
PS/2 Mouse/KB Pin Header J1
SM BUS Pin Header SMB1
Speak Out, Line-Out Pin Header J7
Line-In、MIC-In Pin Header J6
SPDIF Pin Header J8
DIGITAL I/O Pin Header J3

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Jumpers Overview:
Function Connectors
LCD Voltage (LCD-PWR) Select JP4
LCD Backlight Voltage (VBL) Select JP2
LVDS1 LCD Backlight Active (BLEN) Voltage Select JP3
Clear CMOS JBAT1
COM1/2 Voltage Selector JP5,
SATA Port Pin7 Select (for +5V/GND) JP6
USB Port3 share to Half-sized Mini PCIe slot JUSBP1
Header for Case Panel
HDD LED JP1 Pin1(-)–2(+)
External Speaker JP1 Pin3(-)–6(+)
Buzzer On/Off JP1 Pin4–5
Hardware Reset Switch JP1 Pin7–8
ATX Power Supply On/Off Switch JP1 Pin9–10
Power LED JP1 Pin11(-)–12(+)
WDT Function Enable/Disable JP1 Pin13–14
JBAT1: CMOS Data Clear & Clear ME Register (2x3 with 2.0mm)
RTCRST_N SRTC_RST_N
Normal 2-4* Normal 1-3*
Clear CMOS 4-6 Clear CMOS REG 3-5

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J1: PS/2 Keyboard / Mouse Header (2x5 with 2.0mm)
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
J4: USB Port3 Pin Header (1x5 with 2.54mm)
Pin No. Function
1 USB_VCC
2 USBD-
3 USBD+
4 USB_GND
5 KEY
JUSBP1: USB Port3 share to Half-sized Mini PCIe slot (2x3 with 2.0mm)
J4 * Mini PCIE slot
JUSB1 1-3,2-4 3-5,4-6
Notice: The JUSBP1 jumper setting for USB Port3 share to Half-sized mini
PCIe slot.

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CN1(COM2),CN2(COM1): Serial port Box Headers (2x5 with 2.0mm)
Pin No. Function Pin No. Function
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 GND 10 N.C.
Serial Cable D-SUB Type Connector Pin Mapping
Pin No. Function Pin No. Function
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 GND
COM2 port (RS-4852 Wire)
Pin No. Function Pin No. Function
1 Data – 6 NA
2 Data + 7 NA
3 NA 8 NA
4 NA 9 NA
5 NA
COM2 port (RS-4224 Wire)
Pin No. Function Pin No. Function
1 –TXD 6 NA
2 +RXD 7 NA
3 +TXD 8 NA
4 –RXD 9 NA
5 NA

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JP5: COM Port Voltage Selector (2x6 with 2.0mm)
Voltage +12V(DC) R.I. * +5V(DC)
JP5 (COM1) 1-2 3-4 5-6
JP5 (COM2) 7-8 9-10 11-12

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J6: LINE-IN & MIC-IN Header (2 x 4 with 2.0mm)
Pin No. Signal (KB) Pin No. Signal (MS)
1 LINE_IN_R 2 MIC_ R
3 JACK_DETECT 4 JACK_DETECT
5 GND_AUD 6 GND_AUD
7 LINE_IN_L 8 MIC_ L
Notice: Please connect the jack detect pin to “GND_AUD” if the actual
connector cannot support the jack detect function!
J7: Speak Out(amplifier), Line-OutPin Header (2 x 4 with 2.0mm)
Pin No. Signal (KB) Pin No. Signal (MS)
1 FRONT_L 2 LINE_OUT_L
3 JACK_DETECT 4 JACK_DETECT
5 GND_AUD 6 GND_AUD
7 FRONT_R 8 LINE_OUT_R
Notice: Please connect the jack detect pin to “GND_AUD” if the actual
connector cannot support the jack detect function!
Sepak out and Line out can’t be used.
J8: SPDIF Header (1 x 5 with 2.0mm)
Pin No. Signal (KB) Pin No. Signal (MS)
1 +5V 4 GND
2 N.C 5 SPDIF-IN
3 SPDIF-OUT
CN9: HD Audio jack Connector

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SATA Connector :
JP6: SATA Port Pin7 Select +5V/GND (1x3 with 2.0mm)
SATA Port GND * +5V
SATA1 1-2 2-3

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LVDS1: Single/Dual Channel LVDS(18/24/36/48 bit only, 1.25mm)
MB: DF-13A-40DP-1.25V / Map: DF13-40DS-1.25C
Pin No. Signal Pin No. Signal
1 VBL 2 VBL
3 GND 4 GND
5 BLEN 6 GND
7 LCD-PWR 8 LCD-PWR
9 GND 10 GND
11 Odd 0+ 12 Odd 0-
13 Odd 1+ 14 Odd 1-
15 Odd 2+ 16 Odd 2-
17 Odd 3+ 18 Odd 3-
19 Odd CLK+ 20 Odd CLK -
21 GND 22 GND
23 Even 0+ 24 Even 0-.
25 Even 1+ 26 Even 1-
27 Even 2+ 28 Even 2-
29 Even 3+ 30 Even 3-
31 Even CLK+ 32 Even CLK-
33 LCD-PWR 34 LCD-PWR
35 GND 36 GND
37 GND 38 GND
39 VBL 40 VBL
Please make sure the Pin 1 location before plug-in LCD connector.
Please leave pin 23rd ~ pin 32nd unconnected if the single channel LVDS
function is needed.
Please double check "jumper setting & LCD cable's orientation" before
power-on, any incorrect installation may caused damaged of the LCD.

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JP2: LCD Voltage Select (2x3 with 2.0mm)
Voltage +3.3V * +5V +12V
JP2 (LVDS1) 1-2 3-4 5-6
JP4: LCD Backlight Voltage Select (1x3 with 2.0mm)
Voltage +5V * +12V
JP4 (LVDS1) 1-2 2-3
JP3: LCD Backlight Control Voltage Select (1x3 with 2.0mm)
Voltage +3.3V * +5V
JP3 (LVDS1) 1-2 2-3
CN3: LCD Backlight Control Connector (Map: PHR-6)
Pin No. Signal
1 GND
2 LVDS_BKLT_CTRL
3 PWRDN
4 BLUP
5 BLDN
6 GND

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Notice:
PWRDN for Backlight On/Off Control:
When receiving active low pulse (0V) from this pin3 (PWRDN).
Example:
Using button switch on Pin1_GND & Pin3_ PWRDN.
LVDS_BKLT_CTRL for backlight brightness dimming:
PWM duty cycle range: from 30~100%, the output frequency from PWM Out can
be up to 400 kHz and Voltage level is +3.3V
Example:
Using button switches on “Pin6_GND & Pin4_ BLUP” and “Pin6_GND & Pin5_
BLDN”.
The Pin2_ LVDS_BKLT_CTRL connect to LCD Panel Backlight Dimming Pin
(Sample: AUO G190EG02_V1)
CN8: Mini DP Connector
Notice:
DP dongle converter
The ENDAT-3857 supports DP port for digital display output, please note the
dongle should connect either passive(recommend) or active type .