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M i n i - I T X

E M B - A 5 0 M

Appendix A Programming the Watchdog Timer

A-2

A.1 Programming

EMB-A50M utilizes ITE 8771E chipset as its watchdog

timer controller. Below are the procedures to complete its

configuration and the AAEON initial watchdog timer

program is also attached based on which you can

develop a customized program to fit your application.

Configuring Sequence Description

After the hardware reset or power-on reset, the ITE 8771E enters

the normal mode with all logical devices disabled

except KBC. The initial state (enable bit ) of this logical device

(KBC) is determined by the state of pin 121 (DTR1#) at the falling

edge of the system reset during power-on reset.

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Содержание EMB-A50M

Страница 1: ...Mini ITX E M B A 5 0 M EMB A50M AMD T56N T44R Processor Mini ITX Realtek 8111E Ethernet 2 USB3 0 10 USB2 0 4 COM 1 PCI Express 2 0 x4 1 Mini PCIe EMB A50M Manual Rev A 2nd Ed February 2012 ...

Страница 2: ...anual is intended to be accurate and reliable However the original manufacturer assumes no responsibility for its use or for any infringements upon the rights of third parties that may result from its use The material in this document is for product information only and is subject to change without notice While reasonable efforts have been made in the preparation of this document to assure its acc...

Страница 3: ...o and combinations thereof are trademarks of Advanced Micro Devices Inc Microsoft Windows is a registered trademark of Microsoft Corporation ITE is a trademark of Integrated Technology Express Inc IBM PC AT PS 2 and VGA are trademarks of International Business Machines Corporation SoundBlaster is a trademark of Creative Labs Inc Please be notified that all other products name or trademarks not be ...

Страница 4: ...in installing your card please make sure that the following materials have been shipped 1 Serial ATA Cable 1 Metal I O Bracket 1 Utility DVD 1 EMB A50M If any of these items should be missing or damaged please contact your distributor or sales representative immediately iii ...

Страница 5: ... 2 11 2 5 List of Connectors 2 11 2 6 Setting Jumpers 2 13 2 7 CMOS Setting CLRTC JP1 2 14 2 8 CHASSIS INTRUDER CHASSIS JP2 2 14 2 9 Pin Header USB 56 78 2 14 2 10 USB 3 0 Connector USB 3_34 2 14 2 11 RS 232 Pin Header COM 1 3 4 2 15 2 12 RS 232 422 485 Pin Header COM 2 2 15 2 13 Digital I O Pin Header DIO 1 2 15 2 14 4 pin ATX Power Connector ATX 1 2 16 2 15 24 pin ATX Power Connector ATX 2 2 16 ...

Страница 6: ...allation 4 1 Installation 4 3 Appendix A Programming The Watchdog Timer A 1 Programming A 2 A 2 ITE8771E Watchdog Timer Initial Program A 6 Appendix B I O Information B 1 I O Address Map B 2 B 2 Memory Address Map B 4 B 3 IRQ Mapping Chart B 5 B 4 DMA Channel Assignments B 8 Appendix C Mating Connector C 1 List of Mating Connectors and Cables C 2 Appendix D AHCI Setting D 1 Setting AHCI D 2 ...

Страница 7: ...Mini ITX E M B A 5 0 M Chapter 1 General Information 1 1 General Chapter 1 Information ...

Страница 8: ...d mouse port and one Line in Mic in Line out port the EMB A50M meets the requirements of today s demanding applications Display requirements are met with an abundance of interfaces such as HDMI and DVI I Display memory is shared from the system memory up to 512MB EMB A50M has an integrated AMD Radeon HD 6310 graphics engine up to 1920 x 1200 for HDMI DVI output resolutions With all of its integrat...

Страница 9: ...ormation 1 3 1 2 Features Onboard AMD Fusion T56N T44R Dual Core Single Core Processor AMD Hudson M1 A50M DDR3 800 1066 DIMM x 2 Max 8GB Gigabit Ethernet x 2 HDMI DVI I SATA 6 0Gb S x 5 USB3 0 x 2 USB2 0 x 10 COM x 4 PCI Express x 1 Mini PCIe x 1 ...

Страница 10: ...sh ROM PnP DMI 2 0 WfM 2 0 ACPI 2 0a SM BIOS 2 6 Wake On LAN Yes Watchdog Timer System reset 1 255 steps programmable H W Status Monitoring Supports system temperature voltage and cooling fan status monitoring Expansion Interface PCI Express 2 0 x4 x 1 Mini PCIe Half size x 1 Battery Lithium battery Power Requirement Standard 24 pin ATX connector x 1 4 pin 12V ATX connector x 1 Board Size 6 7 L x ...

Страница 11: ...for T44R graphics engine Memory Shared system memory up to 512MB Resolution Up to 1920 x 1200 for HDMI DVI output resolution Video Interface HDMI DVI I I O Storage SATA 6 0Gb s x 5 supports AHCI mode Serial Port RS 232 x 3 RS 232 422 485 x 1 Audio Line in Mic in Line out USB USB3 0 x 2 USB2 0 x 10 Digital I O Supports 8 bit Programmable PS 2 Port Keyboard Mouse x 1 ...

Страница 12: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 1 Quick Installation Chapter 2 Guide ...

Страница 13: ...e the power is on because a sudden rush of power can damage sensitive electronic components Always ground yourself to remove any static charge before touching the board 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 static shielded bag when they are not in the c...

Страница 14: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 3 2 2 Location of Connectors and Jumpers Component Side With Fan ...

Страница 15: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 4 Solder Side With Fan ...

Страница 16: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 5 Component Side Fanless ...

Страница 17: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 6 Solder Side Fanless ...

Страница 18: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 7 2 3 Mechanical Drawing Component Side with Fan ...

Страница 19: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 8 Solder Side with Fan ...

Страница 20: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 9 Component Side Fanless ...

Страница 21: ...Mini ITX E M B A 5 0 M Chapter 2 Quick Installation Guide 2 10 Solder Side Fanless ...

Страница 22: ...5 List of Connectors The board has a number of connectors that allow you to configure your system to suit your application The table below shows the function of each of the board s connectors Label Function DIMM1 DDR3 SOCKET DIMM2 DDR3 SOCKET 24P ATX POWER ATX POWER SUPPLY INPUT 4P ATX POWER ATX POWER SUPPLY INPUT COM1 2 3 4 ONLY COM2 SUPPORT RS 422 485 WLAN MINI CARD SOCKET SATA1 2 3 4 5 SATA INT...

Страница 23: ...IF OUT LPC_Debug Debug use DIMM1 DDR3 SOCKET DIMM2 DDR3 SOCKET 24P ATX POWER ATX POWER SUPPLY INPUT 4P ATX POWER ATX POWER SUPPLY INPUT COM1 2 3 4 ONLY COM2 SUPPORT RS 422 485 WLAN MINI CARD SOCKET SATA1 2 3 4 5 SATA INTERFACE USB56 78 USB2 0 INTERFACE LAN1 USB 2 GIGA LAN USB2 0 LAN2 USB 2 GIGA LAN USB2 0 DVI DVI I OUTPUT HDMI HDMI OUTPUT KB_USB34 KB MS USB2 0 USB3_34 USB3 0 ...

Страница 24: ...em To close a jumper you connect the pins with the clip To open a jumper you remove the clip Sometimes a jumper will have three pins labeled 1 2 and 3 In this case you would connect either pins 1 and 2 or 2 and 3 1 2 3 Open Closed Closed 2 3 A pair of needle nose pliers may be helpful when working with jumpers If you have any doubts about the best hardware configuration for your application contac...

Страница 25: ... 2 9 Pin Header USB 56 78 Pin Signal Pin Signal 1 5V 2 GND 3 USBD1 4 GND 5 USBD1 6 USBD2 7 GND 8 USBD2 9 GND 10 5V 2 10 USB 3 0 Connector USB 3_34 Pin Signal Pin Signal 1 5V_USB3_2_P1 11 5V_USB3_2_P2 2 U3_2_U3RXDN1 12 U3_2_U3RXDN2 3 U3_2_U3RXDP1 13 U3_2_U3RXDP2 4 GND 14 GND 5 U3_2_U3TXDN1 15 U3_2_U3TXDN2 6 U3_2_U3TXDP1 16 U3_2_U3TXDP2 7 GND 17 GND 8 U3_2_U2DN1 18 U3_2_U2DN2 9 U3_2_U2DP1 19 U3_2_U2...

Страница 26: ... Pin Header COM 2 Pin Signal Pin Signal 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI 10 N C 2 13 Digital I O Pin Header DIO 1 The memory address is 0xFED80180 0xFED80187 Pin Signal Pin Signal 1 DIO1 2 DIO2 3 DIO3 4 DIO4 5 DIO5 6 DIO6 7 DIO7 8 DIO8 9 5V 10 GND BIOS Setting Connector Definition AMD Chipset GPIO Address DIO_P 8 MIO FED80187 Pin 8 GPIOD135 DIO_P 7 MIO FED80186 Pin 7 GPIOD134 ...

Страница 27: ...80181 Pin 2 GPIOD129 DIO_P 1 MIO FED80180 Pin 1 GPIOD128 2 14 4 pin ATX Power Connector ATX 1 Pin Signal Pin Signal 1 GND 2 GND 3 12V 4 12V 2 15 24 pin ATX Power Connector ATX 2 Pin Signal Pin Signal 1 3 3V 2 3 3V 3 GND 4 5V 5 GND 6 5V 7 GND 8 PWROK 9 5VSB 10 12V 11 12V 12 3 3V 13 3 3V 14 12V 15 GND 16 PS_ON 17 GND 18 GND 19 GND 20 NC 21 5V 22 5V 23 5V 24 GND 2 16 SATA Connector SATA 1 5 Pin Signa...

Страница 28: ...On Button 2 Power On Button 3 HDD LED 4 HDD LED 5 SPEAKER 6 5V 7 Power LED 8 Power LED 9 Reset Switch 10 Reset Switch 2 18 AAFP Header AAFP Pin Signal Pin Signal 1 MIC2_R 2 GND 2 MIC2_L 4 N C 3 LINE2_R 6 MIC SENSOR resister 4 A_JD_FRONT 8 N C 5 LINE2_L 10 LINE IN SENSOR resister 2 19 FAN Connector FAN 1 2 Pin Signal Pin Signal 1 GND 2 12V 3 FAN_TAC 4 FAN_CTL ...

Страница 29: ...irements 产品中有毒有害物质或元素名称及含量 AAEON Main Board Daughter Board Backplane 有毒有害物质或元素部件名称铅 Pb 汞 Hg 镉 Cd 六价铬 Cr VI 多溴联苯 PBB 多溴二苯醚 PBDE 印刷电路板及其电子组件外部信号连接器及线材 O 表示该有毒有害物质在该部件所有均质材料中的含量均在 SJ T 11363 2006 标准规定的限量要求以下 X 表示该有毒有害物质至少在该部件的某一均质材料中的含量超出 SJ T 11363 2006 标准规定的限量要求备注此产品所标示之环保使用期限系指在一般正常使用状况下 ...

Страница 30: ...Mini ITX E M B A 5 0 M Chapter 3 AMI BIOS Setup 3 1 AMI Chapter 3 BIOS Setup ...

Страница 31: ...on against the values stored in the CMOS memory If they do not match the program outputs an error message You will then need to run the BIOS setup program to set the configuration information in memory There are three situations in which you will need to change the CMOS settings 1 You are starting your system for the first time 2 You have changed the hardware attached to your system 3 The CMOS mem...

Страница 32: ...retains the Setup information when the power is turned off Entering Setup Power on the computer and press Del or F2 immediately This will allow you to enter Setup Main Set the date use tab to switch between date elements Advanced Advanced BIOS Features Setup including TPM ACPI etc Chipset host bridge parameters Boot Enables disable quiet boot option Security Set setup administrator password Save E...

Страница 33: ...Mini ITX E M B A 5 0 M Chapter 4 Driver Installation 4 1 Driver Chapter 4 Installation ...

Страница 34: ... start and show the installation guide If not please follow the sequence below to install the drivers Follow the sequence below to install the drivers Step 1 Install Chipset Driver Step 2 Install AMD Total Driver Step 3 Install LAN Device Step 4 Install Audio Driver Step 5 Install USB3 0 Driver Step 6 Install AHCI Driver Please read instructions below for further detailed installations Chapter 4 D...

Страница 35: ...his driver if the OS is Windows 7 Step 2 Install AMD Total Driver 1 Click on the Step 2 AMD Total Driver folder and select the OS folder your system is 2 Double click on the Setup exe file located in each OS folder 3 Follow the instructions that the window shows 4 The system will help you install the driver automatically Step 3 Install LAN Driver 1 Click on the Step 3 LAN folder and select the OS ...

Страница 36: ...d in each OS folder 3 Follow the instructions that the window shows 4 The system will help you install the driver automatically Step 5 Install USB3 0 Driver 1 Click on the Step 5 USB3 0 folder and double click on the setup exe 2 Follow the instructions that the window shows 3 The system will help you install the driver automatically Step 6 Install AHCI Driver Please refer to the Appendix D AHCI Se...

Страница 37: ...Mini ITX E M B A 5 0 M Appendix A Programming the Watchdog Timer A 1 Programming the Appendix A Watchdog Timer ...

Страница 38: ...atchdog timer program is also attached based on which you can develop a customized program to fit your application Configuring Sequence Description After the hardware reset or power on reset the ITE 8771E enters the normal mode with all logical devices disabled except KBC The initial state enable bit of this logical device KBC is determined by the state of pin 121 DTR1 at the falling edge of the s...

Страница 39: ... for Key state To ensure the initial state of the key check logic it is necessary to perform four write opera tions to the Special Address port 2EH Two different enter keys are provided to select configuration ports 2Eh 2Fh of the next step 2 Modify the Data of the Registers All configuration registers can be accessed after entering the MB PnP Mode Before accessing a selected register the content ...

Страница 40: ...ticky that is to say a hardware reset will automatically clear the bits and does not require the software to clear them Bit Description 7 2 Reserved 1 Returns to the Wait for Key state This bit is used when the configuration sequence is completed 0 Resets all logical devices and restores configuration registers to their power on states Watch Dog Timer Control Register Index 71h Default 00h Bit Des...

Страница 41: ...Select 1 64ms x WDT Time out value default 4s 0 Determined by WDT Time out value select 1 bit 7 of this register 4 WDT Output through PWRGD Enable 1 Enable 0 Disable During LRESET this bit is selected by JP2 power on strapping option 3 0 Interrupt Level Select for WDT Please refer to Table 8 9 Interrupt Level Mapping Table Watch Dog Timer Time out Value LSB Register Index 73h Default 38h Bit Descr...

Страница 42: ...MALL CODE Main CALL Enter_Configuration_mode CALL Check_Chip mov cl 7 call Set_Logic_Device time setting mov cl 10 10 Sec dec al Watch_Dog_Setting Timer setting mov al cl mov cl 73h call Superio_Set_Reg Clear by keyboard or mouse interrupt mov al 0f0h mov cl 71h call Superio_Set_Reg unit is second mov al 0C0H mov cl 72h ...

Страница 43: ... 9 call Set_Logic_Device Initial_OK CALL Exit_Configuration_mode MOV AH 4Ch INT 21h Enter_Configuration_Mode PROC NEAR MOV SI WORD PTR CS Offset Cfg_Port MOV DX 02Eh MOV CX 04h Init_1 MOV AL BYTE PTR CS SI OUT DX AL INC SI LOOP Init_1 RET Enter_Configuration_Mode ENDP Exit_Configuration_Mode PROC NEAR MOV AX 0202h ...

Страница 44: ...xit_Configuration_Mode ENDP Check_Chip PROC NEAR MOV AL 20h CALL Read_Configuration_Data CMP AL 87h JNE Not_Initial MOV AL 21h CALL Read_Configuration_Data CMP AL 81h JNE Not_Initial Need_Initial STC RET Not_Initial CLC RET Check_Chip ENDP Read_Configuration_Data PROC NEAR MOV DX WORD PTR CS Cfg_Port 04h ...

Страница 45: ...tion_Data ENDP Write_Configuration_Data PROC NEAR MOV DX WORD PTR CS Cfg_Port 04h OUT DX AL XCHG AL AH MOV DX WORD PTR CS Cfg_Port 06h OUT DX AL RET Write_Configuration_Data ENDP Superio_Set_Reg proc near push ax MOV DX WORD PTR CS Cfg_Port 04h mov al cl out dx al pop ax inc dx out dx al ret Superio_Set_Reg endp Set_Logic_Device proc near ...

Страница 46: ...h ax push cx xchg al cl mov cl 07h call Superio_Set_Reg pop cx pop ax ret Set_Logic_Device endp Select 02Eh Index Port 02Fh Data Port Cfg_Port DB 087h 001h 055h 055h DW 02Eh 02Fh END Main Note Interrupt level mapping 0Fh Dh not valid 0Ch IRQ12 03h IRQ3 02h not valid 01h IRQ1 00h no interrupt selected ...

Страница 47: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 1 I O Information Appendix B ...

Страница 48: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 2 B 1 I O Address Map ...

Страница 49: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 3 ...

Страница 50: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 4 B 2 Memory Address Map ...

Страница 51: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 5 B 3 IRQ Mapping Chart ...

Страница 52: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 6 ...

Страница 53: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 7 ...

Страница 54: ...Mini ITX E M B A 5 0 M Appendix B I O Information B 8 B 4 DMA Channel Assignments ...

Страница 55: ...Mini ITX E M B A 5 0 M Appendix C Mating Connector C 1 Mating Connecotor x Appendi C ...

Страница 56: ...20GV52 USB3 0 Cable 1700200301 CN2 Digital IO TF PIN HEADER 5 2 P 180D M 2 0mm DIP N A N A USB56 USB56 Connector CATCH TF USB Cable 10pin 5Px2 2 0mm Housing 20c m W O Bracket USB Cable 1709100208 USB78 USB78 Connector CATCH TF USB Cable 10pin 5Px2 2 0mm Housing 20c m W O Bracket USB Cable 1709100208 COM1 RS 232 Serial Port Connector CATCH TF Flat Cable 9P DB 9P MALE 10P 2 00mm Pitch Housing 20c m ...

Страница 57: ...rt Connector CATCH TF Flat Cable 9P DB 9P MALE 10P 2 00mm Pitch Housing 20c m Serial Port Cable 1701100206 COM4 RS 232 Serial Port Connector CATCH TF Flat Cable 9P DB 9P MALE 10P 2 00mm Pitch Housing 20c m Serial Port Cable 1701100206 Note The AAEON Cable P N with sign is for WiTAS series products ...

Страница 58: ...Mini ITX E M B A 5 0 M Appendix D AHCI Setting D 1 AHCI Setting Appendix D ...

Страница 59: ...0 M Appendix D AHCI Setting D 2 D 1 Setting AHCI OS installation to setup AHCI Mode Step 1 Copy the files below from Driver CD Step 6 AHCI Floppy x86 to Disk Step 2 Connect the USB Floppy disk with RAID files to the board ...

Страница 60: ...pendix D AHCI Setting D 3 Step 3 The setting procedures In BIOS Setup Menu A Advanced SATA Configuration SATA Configuration SATA Mode AHCI Mode Step 4 The setting procedures In BIOS Setup Menu B Boot Boot Option 1 DVD ROM Type ...

Страница 61: ...Mini ITX E M B A 5 0 M Appendix D AHCI Setting D 4 Step 5 The setting procedures In BIOS Setup Menu C Save Exit Save Changes and Exit Step 6 Setup OS ...

Страница 62: ...Mini ITX E M B A 5 0 M Appendix D AHCI Setting D 5 Step 7 Press F6 Step 8 Choose S ...

Страница 63: ...Mini ITX E M B A 5 0 M Appendix D AHCI Setting D 6 Step 9 Choose Intel R 5 Series 6 Port SATA AHCI Controller tep 10 It will show the model number you select and then press ENTER S ...

Страница 64: ...Mini ITX E M B A 5 0 M Appendix D AHCI Setting D 7 Step 11 Setup is loading files ...

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