EVOC EC4-1812CLDNA User manual

EC41812CLDNA
EPIC Single Board Computer with
CPU/Memory/VGA/LVDS/USB/COM
/SATA/LAN/Audio
Version: A1

Announcement
What containedin this User Manualdoes not represent the commitments of EVOC
Company. EVOC Company reserves the right to revise this User Manual, without
priornotice,andwillnotbeheldliableforanydirect,indirect,intendedorunintended
lossesand/orhiddendangersduetoinstallationorimproperoperation.
Before purchasing, pleasehave a detailedunderstanding of the product performance
toseewhetheritmeetsyourrequirements.
EVOC is a registered trademark of EVOC Intelligent Technology Co., Ltd. All
trademarks, registered trademarks, and trade names used in this User Guide are the
propertyoftheirrespectiveowners.
EVOCIntelligentTechnology Co.,Ltd.©2009,CopyrightReserved.Nopartofthis
manual can be reproduced in any form or by any means, such as in electronic or
mechanicalway,withoutpermissioninwritingfromEVOC.
SafetyInstructions
1. Beforehandlingyourproduct,readtheuser’smanualcarefully;
2. Any board or card not ready to be installed shall be kept in the antistatic
packaging;
3. Before taking board or card from antistatic packaging, put your hand on
groundedmetalobjectforawhile(about10seconds)toeliminatestaticonyour
body;
4. While holding a board or card, please do wear static protective gloves; always
holdaboardbyitsedges;
5. Before inserting, removing or reconfiguring motherboard or expansion card,
firstdisconnectthecomputerandperipheralsfromtheirpowersources;
6. Before removing boards or computer, turn off all power resources firstly and
disconnectthepowercordfrompowersource;
7. For PC Box products, when inserting or removing boards, disconnect the
computerand peripheralsfromthepowersourcesfirstly;
8. Beforeconnectingorunplugginganyequipment,makesureallpowercordsare
unpluggedinadvance;
9. Toavoidunnecessarydamagecausedbyturningon/offcomputerfrequently,wait
atleast30secondsbeforereturningonthecomputer.

Contents
Chapter1ProductIntroduction ................................................................................1
Overview ............................................................................................................1
EnvironmentandMechanicalDimension .............................................................2
PowerConsumption ............................................................................................2
Microprocessor ...................................................................................................2
Chipsets..............................................................................................................2
SystemMemory..................................................................................................2
VideoFunction....................................................................................................2
NetworkFunction................................................................................................2
AudioFunction ...................................................................................................3
CFCard ..............................................................................................................3
SATA Function....................................................................................................3
PowerFeature .....................................................................................................3
ExpansionBus ....................................................................................................3
I/OFunctions ......................................................................................................3
Watchdog Function..............................................................................................3
Chapter2Installation...............................................................................................4
ProductOutline ...................................................................................................4
LocationsofInterfaces ........................................................................................5
JumperSettings...................................................................................................6
InterfaceforPower,HardDisk,WirelessNetworkCardIndicators........................7
LVDSBacklightControl......................................................................................7

USBInterface..................................................................................................... 8
SerialPort........................................................................................................... 8
VideoInterface ................................................................................................... 9
NetworkInterface ............................................................................................. 11
PowerInterface................................................................................................. 11
AudioInterface................................................................................................. 12
MultifunctionInterface ..................................................................................... 12
DigitalI/OInterface.......................................................................................... 13
SATA Interface ................................................................................................. 13
CFCard............................................................................................................ 14
MiniPCIEInterface.......................................................................................... 15
Chapter3BIOSSetup ........................................................................................... 16
Advanced ......................................................................................................... 17
Chipset............................................................................................................. 22
PCIPnP............................................................................................................. 23
Appendix.............................................................................................................. 24
Watchdog ProgrammingGuide.......................................................................... 24
DigitalIOProgrammingGuide ......................................................................... 26
I/O AddressMap............................................................................................... 29
IRQAssignmentTable ...................................................................................... 31

Chapter1ProductIntroduction
EC41812CLDNA  1
Chapter1ProductIntroduction
Overview
This board is a sort of embedded motherboard compliant with EPIC single board
specification, which is developed basing on the Intel® Atom platform; the board
adopts pin interfaces and is abundant in integration functions, complete in
performanceandhighinreliability;itsmainfeaturesareasfollows:
◆ Support ATOMN270CPU;
◆ Intel®945GSE+Intel®ICH7Mchipset;
◆ Onboard512MBDDR2 memory(couldbeexpandedto 1GB);
◆ Support VGA and LVDSdualdisplayfunction;
◆ Providesix USB2.0 highspeedinterfaces;
◆ Provideone 10/100/1000Mbps Ethernetcontroller;
◆ ProvideoneHDA audiointerface;
◆ Provide two SATA harddiskinterfacesandoneCF cardinterface;
◆ Provide eight COMs, four of which support RS232 and the other four
supportthreeline TTL level;
◆ Provideone MiniPCIEinterface;
◆ Provideone4bitinputand4bitoutputdigitalI/Ointerface;
◆ Single 5V power.
In addition, it also provides one multifunction interface with
keyboard/mouse/buzzer/reset functions and watchdog timer function. This product
could be widely used in the fields like medical monitor, analysis instrument and
electricpowerinspectionandmilitaryindustry.

Chapter1ProductIntroduction
 2 EC41812CLDNA
EnvironmentandMechanicalDimension
l OperatingEnvironment:OperatingTemperature: 20℃~60℃;
Humidity: 5%~95%,noncondensing;
l StorageEnvironment:StorageTemperature: 40°C~80°C;
Humidity: 5%~95%,noncondensing;
l Dimension: 115.00mmx165.00mm
PowerConsumption
CPU: onboardIntel®Atom1.6G
Memory: onboard1G (or512M) DDR2533MHz
l +5V@2.8A; +5%/3%;
Microprocessor
ATOMN270CPU;
Chipsets
Intel® 945GSE+Intel® ICH7M;
SystemMemory
512MB or 1GBDDR2 memoryonboard;
VideoFunction
Intel® 945GSEintegrates in system chip and support VGAandLVDS dualdisplay
function.
NetworkFunction
The motherboard integrates one 10/100/1000Mbps Ethernet controller RTL8111C,
whichprovidesyouwithhighspeedandstablenetworkplatform.

Chapter1ProductIntroduction
EC41812CLDNA  3
AudioFunction
IntegrateonestandardHDA audiochipandprovideexcellentsoundeffect.
CF Card
Provide one Compact Flash card interface, which is easy to use and its storage
capacity willvarywiththecard inuse.
SATA Function
Two SATA hard disk interface, speed 3.0Gb/s(when using onboard SATA power
interface to supply power for SATA hard disk, only 2.5″ SATA hard disk is
supported; when using external power, both 2.5″ hard disk and 3.5″ hard disk are
supported).
PowerFeature
Single +5V powersupply;
ExpansionBus
One MiniPCIEinterface;
I/OFunctions
● Supporteight COMs,fourofwhichareRS232 interfaceswhiletheother
fourarethreelineTTLinterface;
● Supportsix USB2.0 interfaces;
● Onekeyboard/mouse/buzzer/RESET functioninterface;
● One4bitinput4bitoutputdigitalI/Ointerface.
WatchdogFunction
● 1~255m/sprogrammable;
● Overtimeinterrupt orsystemreset.

Chapter 2 Installation
 4 EC41812CLDNA
Chapter2Installation
ProductOutline
154.84
165.00
104.85
5.08
5.08
115.00
Unit: mm

Chapter2Installation
EC41812CLDNA  5
LocationsofInterfaces
AUDIO1 LAN1 USB3 USB2 USB1
VGA1 LVDS2 LVDS1
LCDB1
JLCDB1
JLCD1
PWR1
MPCIE1
J1
LED2
COM1
COM3
JCC1
GPIO1
COM2
COM4
COM6 COM5
JCF1
SATA1
SATA2
CF1
Tip:Howtoidentifythefirstpinofthejumpersandinterfaces
1. Observetheletterbesidethesocket,itwouldbemarkedwith“1”orthickened
linesortriangularsymbols;
2. Observethesolderpadontheback, thesquarepadisthefirstpin;
3. The redline on the cable or other marks shows that they shouldbe connected
withthefirstpinofthesocket.

Chapter 2 Installation
 6 EC41812CLDNA
JumperSettings
JCC1:Clear/Keep CMOS Setting
By changing the status of the jumper cap of CMOS to realize this function. If the
systemcannotstartupnormallyduetoimproperBIOSsetup,usersmaytrytoclear the
contents of CMOS to restore the default value of the system parameters andrestart
thesystem.
Setup Function
12Open Normal(Default)
JCC1 12Short Clear the contents of CMOS, all BIOS setting will
restoretofactorydefaultvalues.
JCF1:CFCard OperatingVoltageSelection
Setup Function
12Short +3.3V (Default)
JCF1 23Short +5V
JLCDB1:LVDS BacklightVoltageSelection
Setup Function
12Short +12V(Default)
JLCDB1 23Short +5V

Chapter2Installation
EC41812CLDNA  7
JLCD1:LVDS OperatingVoltageSelection
Theboardprovidestwovoltageoptions,3.3Vand5V.OnlywhentheselectedLCD
voltage is in accord with the LCD voltage in use, the LCD screen could display
normally.
Setup Function
12Short +3.3V (Default)
JLCD1 23Short +5V
InterfaceforPower,HardDisk,WirelessNetworkCardIndicators
Pin SignalName Pin SignalName
1 FP_IDE_LED 2 FP_IDE_LED+
3 POWER_LED 4 POWER_LED+
LED2
5 WLAN_LED 6 WLAN_LED+
LVDSBacklightControl
Pin SignalName
1 VCC_LCDBKLT
2 LCD_BKLTCTL
3 LCD_BKLTEN
LCDB1
4 GND
Note: VCC_LCDBKLTbacklight power (power voltage is controlled by the
backlightvoltageselectingjumper);
LCD_BKLTCTLbacklightcontrol;
LCD_BKLTEN  backlightenabling.

Chapter 2 Installation
 8 EC41812CLDNA
USBInterface
USB1,USB2andUSB3arethe2×5Pin(2.0mm)USBdevicepins;thetransfercable
is required to connect the interface signals to thestandard socket. The table below
showsthepin definitionsoftheinterfaces.
Pin SignalName Pin SignalName
1 +5V 2 +5V
3 USB1_Data 4 USB2_Data
5 USB1_Data+ 6 USB2_Data+
7 GND 8 GND
USB1/USB2/USB3
9 NA 10 GND_CHASSIS
SerialPort
1) COM1/COM2/COM3/COM4:RS232
COM1, COM2, COM3 and COM4 are 2×5Pin (2.0mm) COM device pins; the
transfercableisrequiredtoconnecttheinterfacesignalstothestandardsocket.The
tablebelowshowsthepindefinitionsoftheinterfaces.
Pin SignalName Pin SignalName
1 DCD# 2 RXD
3 TXD 4 DTR#
5 GND 6 DSR#
7 RTS# 8 CTS#
COM1/COM2/COM3/COM4
9 RI# 10 NA

Chapter2Installation
EC41812CLDNA  9
2) COM5/COM6: TTL
COM5/COM6 are2×3Pin (0mm)COMdevicepinsandthetablebelowshowsthepin
definitionsoftheinterfaces.
Pin SignalName Pin SignalName
1 COM5_TXD/
COM7_TXD 2 COM6_TXD/ COM8_TXD
3 COM5_RXD/
COM7_RXD 4 COM6_RXD/ COM8_RXD
COM5/COM6
5 GND 6 GND
VideoInterface
1） VGADisplayInterface
VGA1 is 2×5Pin (2.0mm) device pin; the transfer cable is required to connect the
interfacesignalstothestandardsocket.Thetablebelowshowsthepindefinitionsof
theinterface.
Pin SignalName Pin SignalName
1 VSYNC 2 HSYNC
3 DDCDATA 4 Red
5 DDCCLK 6 Green
7 +5V 8 Blue
VGA1
9 GND 10 GND

Chapter 2 Installation
 10 EC41812CLDNA
2） 36bitDualscan LVDSDisplayInterface
Pindefinitions of LVDS1:
Pin SignalName Pin SignalName
1 LVDS0_D0+ 2 LVDS0_D0
3 GND 4 GND
5 LVDS0_D1+ 6 LVDS0_D1
7 GND 8 GND
9 LVDS0_D2+ 10 LVDS0_D2
11 GND 12 GND
13 LVDS0_CLK+ 14 LVDS0_CLK
15 GND 16 GND
17 NC 18 NC
LVDS1
19 VDD 20 VDD
Pindefinitionsof LVDS2:
Pin SignalName Pin SignalName
1 LVDSE_D0+ 2 LVDSE_D0
3 GND 4 GND
5 LVDSE_D1+ 6 LVDSE_D1
7 GND 8 GND
9 LVDSE_D2+ 10 LVDSE_D2
11 GND 12 GND
13 LVDSE_CLK+ 14 LVDSE_CLK
15 GND 16 GND
17 NC 18 NC
LVDS2
19 VDD 20 VDD
Note: LVDS0xrepresentstheoddlineofdualscan PANEL; LVDSExrepresentsthe
even line of dualscan PANEL. Please connect to LVDS1 if a singlechannel
LCDscreen isused.

Chapter2Installation
EC41812CLDNA  11
NetworkInterface
LAN1 is a 2×7Pin (2.0mm) device pin. This pinstyle interface is the
10/100/1000MbpsEthernetportonmotherboardandthetransfercableisrequiredto
connect the interface signals tothe standardsocket. The table below shows the pin
definitionsoftheinterface.
Pin SignalName Pin SignalName
1 MX0+ 2 MX0
3 MX1+ 4 MX1
5 MX2+ 6 MX2
7 MX3+ 8 MX3
9 GND 10 GND
11 LINK_LED+ 12 LINK_LED
LAN1
13 ACT_LED+ 14 ACT_LED
Whenuse thetransfercabletoconnecttheinterfacesignalstothestandard socketof
RJ45interface. PleaserefertothestatusdescriptionforeachLED asfollow:
LILED
(DualColor:Y/G)
LANSpeed
Indicator
ACTLED
(SingleGreen)
LANActivity
Indicator
Green 1000Mbps
Flash DataTransmitting Yellow 100Mbps
Off NoDatatoTransmit Off 10Mbps
PowerInterface
PWR1isa1×8Pinpowerdevicepinandthetransfercableisrequiredtoconnectthe
interfacesignalstothestandardsocket.Thetablebelowshowsthepindefinitionsof
theinterface.

Chapter 2 Installation
 12 EC41812CLDNA
Pin SignalName Pin SignalName
1 +5V 5 GND
2 +5V 6 GND
3 +5V 7 GND
PWR1
4 GND 8 NC
AudioInterface
AUDIO1isa2×5Pin(2.0mm)audiodevicepinandthetransfercableisrequiredto
connect the interface signals tothe standardsocket. The table below shows the pin
definitionsoftheinterface.
MultifunctionInterface
J1isa2×5Pin(2.0mm)devicepin;itisamultifunctioninterfaceandusedtoconnect
with keyboard, mouse, buzzer and RESET; the transfer cable isrequired to connect
theinterfacesignalstothestandardsocket.Thetablebelowshowsthepindefinitions
oftheinterface.
Pin SignalName Pin SignalName
1 SPEAK 2 +5V
3 RESET 4 GND
5 KeyboardData 6 KeyboardClock
7 GND 8 Mouse Clock
J1
9 +5V 10 Mouse Data
Pin SignalName Pin SignalName
1 LOUT_R 2 LOUT_L
3 GND_AUDIO 4 GND_AUDIO
5 LIN_R 6 LIN_L
7 GND_AUDIO 8 GND_AUDIO
AUDIO1
9 MIC_L 10 MIC_R

Chapter2Installation
EC41812CLDNA  13
DigitalI/OInterface
GPIO1 is a2×5Pin(2.0mm) digitalI/O interface andthetable below shows the pin
definitionsoftheinterface.
SATA Interface
TheboardprovidestwostandardSATA interfaces,whichadoptfoolproofdesignand
could be used to connect with SATA hard disk; users shall pay attention to the
directionofthesocketandinsertitgently.Thetablebelowshowsthepindefinitions
oftheinterface,A1~A7areinterfacesforSATAdatacableswhileB1~B15areSATA
powerinterfaces.
Pin SignalName Pin SignalName
A1 GND B5 GND
A2 TX+ B6 GND
A3 TX B7 +5VL
A4 GND B8 +5V
A5 RX B9 +5V
A6 RX+ B10 GND
A7 GND B11 NC
B1 NC B12 GND
B2 NC B13 NC
B3 NC B14 NC
SATA1/SATA2 B4 GND B15 NC
Note: when using onboard SATA power interface to supply power for SATA hard
disk,only2.5″SATAharddiskissupported;whenusingexternalpower,both
2.5″harddiskand3.5″harddiskaresupported.
Pin SignalName Pin SignalName
1 INPUT0 2 OUTPUT0
3 INPUT1 4 OUTPUT1
5 INPUT2 6 OUTPUT2
7 INPUT3 8 OUTPUT3
GPIO1
9 GND 10 NC

Chapter 2 Installation
 14 EC41812CLDNA
CF Card
CompactFlashcardisasortofhighspeedmemory,smallinsizeandeasytouse.Its
storagecapacitywillvarywithdifferentcardsinuse,suchas1M,256Metc.CFcard
couldonlyinsertinonedirection(markedasCF1 onthebackofboard).
Pin SignalName Pin SignalName
1 GND 26 NC
2 D3 27 D11
3 D4 28 D12
4 D5 29 D13
5 D6 30 D14
6 D7 31 D15
7 CS0# 32 CS1#
8 GND 33 NC
9 GND 34 IOR#
10 GND 35 IOW#
11 GND 36 WE#
12 GND 37 IRQ
13 VCC 38 VCC
14 GND 39 CSEL#
15 GND 40 NC
16 GND 41 RESET#
17 GND 42 IORDY
18 A2 43 DREQ
19 A1 44 DACK#
20 A0 45 DASP#
21 D0 46 ATA66_DET
22 D1 47 D8
23 D2 48 D9
24 WP/IOCS16# 49 D10
25 NC 50 GND

Chapter2Installation
EC41812CLDNA  15
MiniPCIEInterface
MPCIE1 is a 52Pin wireless network card; the card could only be inserted in one
direction(markedasMPCIE1onboard).Thetablebelowshowsthepindefinitionsof
theinterface.
Pin SignalName Pin SignalName
1 WAKE# 2 3.3V
3 CHANNEL_DATA 4 GND
5 CHANNEL_CLK 6 1.5V
7 CLKREQ# 8 RESERVED_SIM4
9 GND 10 RESERVED_SIM3
11 REFCLK 12 RESERVED_SIM2
13 REFCLK+ 14 RESERVED_SIM1
15 GND 16 RESERVED_SIM0
17 RESERVED0 18 GND
19 RESERVED1 20 RESERVED_DISABLE#
21 GND 22 PERST#
23 PETN0 24 3.3V
25 PETP0 26 GND
27 GND 28 1.5V
29 GND 30 SMB_CLK
31 PERN0 32 SMB_DATA
33 PERP0 34 GND
35 GND 36 USB_D
37 RESERVED_PCIE0 38 USB_D+
39 RESERVED_PCIE1 40 GND
41 RESERVED_PCIE2 42 LED_WWAN#
43 RESERVED_PCIE3 44 LED_WLAN#
45 RESERVED_PCIE4 46 LED_WPAN#
47 RESERVED_PCIE5 48 1.5V
49 RESERVED_PCIE6 50 GND
51 RESERVED_PCIE7 52 3.3V

Chapter 3 BIOS Setup
 16 EC41812CLDNA
Chapter3 BIOSSetup
Regarding the BIOS features setup of EC41812CLDNA, please refer to the AMI
BIOSSetupGuide editedbyEVOCCompany.Whilethedifferent part,pleasereferto
thedescriptionsbelow.
When starting up the SETUP program, you may see the main interface of CMOS
SetupUtility asfollows:
BIOSSETUPUTILITY
SystemOverview
Processor
Genuine Intel(R)  CPU @ 2.40GHz
Speed :2400MHz
Cores   :1
SystemMemory
Size: 504MB
SystemTime [00:47:55]
SystemDate [Wed03/30/2007]
←→  SelectScreen
↑↓  SelectItem
+ ChangeField
Tab  SelectField
F1   GeneralHelp
F10  SaveandExit
ESC  Exit
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