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E T X C P U M o d u l e

E T X - 8 2 1

Appendix A Programming the Watchdog Timer

A - 7

A.2 IT8712 Watchdog Timer Initial Program

.MODEL SMALL

.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

call Superio_Set_Reg

Содержание ETX-821

Страница 1: ...ETX CPU Module E T X 8 2 1 ETX 821 Onboard Intel LV Pentium M ULV Celeron M Processor ETX CPU Module With LCD Ethernet Audio PCI ISA ETX 821 Rev A Manual 1st Ed August 2005 ...

Страница 2: ...is manual 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...

Страница 3: ...tware International Inc l CompactFlash is a trademark of the Compact Flash Association l Intel Pentium M and Celeron M are trademarks of Intel Corporation l Microsoft Windows is a registered trademark of Microsoft Corp l ITE is a trademark of Integrated Technology Express Inc l IBM PC AT PS 2 and VGA are trademarks of International Business Machines Corporation ...

Страница 4: ...ard please make sure that the following materials have been shipped 1 ETX 821 CPU Module 1 Quick Installation Guide 1 CD ROM for manual in PDF format and drivers If any of these items should be missing or damaged please contact your distributor or sales representative immediately ...

Страница 5: ...ocation of Connectors and Jumpers 2 3 2 3 Mechanical Drawing 2 5 2 4 List of Connectors 2 7 2 5 ETX 1 2 8 2 6 ETX 2 2 9 2 7 ETX 3 2 10 2 8 ETX 4 2 11 Chapter 3 Award BIOS Setup 3 1 System Test and Initialization 3 2 3 2 Award BIOS Setup 3 3 Chapter 4 Driver Installation 4 1 Installation 4 3 Appendix A Programming The Watchdog Timer A 1 Programming A 2 A 2 IT8712 Watchdog Timer Initial Program A 7 ...

Страница 6: ...ETX CPU Module E T X 8 2 1 v Appendix B I O Information B 1 I O Address Map B 2 B 2 1 st MB Memory Address Map B 4 B 3 IRQ Mapping Chart B 5 B 4 DMA Channel Assignments B 5 ...

Страница 7: ...ETX CPU Module E T X 8 2 1 Chapter 1 General Information 1 1 General Information Chapter 1 ...

Страница 8: ...ined with Intel 852 855 GM GME and ICH4 chipsets It has one 200 pin SODIMM socket that allows a system memory capacity up to 1GB with DDR SDRAM module Hence the ETX 821 can provide common PC peripheral functions such as graphics USB serial parallel ports keyboard mouse Ethernet and IDE The baseboard designer can optimize exactly which and how these functions are implemented physically All of AAEON...

Страница 9: ... precisely where needed for the application on a baseboard designed to optimally fit a system s packaging AAEON s ETX system is your stepping stone to a whole new world of embedded product development Once again thank you for your purchase of this AAEON product and we trust that your product development will be swift sure and successful ...

Страница 10: ... 852GM Celeron M 1 3GHz w 852GM and LV Pentium M 1 1GHz w 855GME 266MHz Memory Bus Supports One 200 pin DDR SO DIMM up to 1GB 852GM 333MHz Memory Bus Supports One 200 pin DDR SO DIMM up to 1GB 855GME Supports 2 Channel LVDS LCD and TV out Supports 10 100Mbps Ethernet Supports AC97 Audio CODEC Supports 2 COM 1 Parallel 4 USB2 0 ...

Страница 11: ...O DIMM up to 1GB 852GM 333MHz memory bus supports one 200 pin DDR SO DIMM up to 1GB 855GME l Chipset Intel 852GM or 855GME ICH4 l Ethernet Intel 82562ET 10 100 Base TX l BIOS Award Plug Play BIOS l Watchdog Timer Generate a Time out System Reset l H W Status Monitoring Supports Power Supply Voltages Fan Speed and Temperatures Monitoring l Expansion Interface ISA PCI l Power Supply Voltage 5V DC l ...

Страница 12: ...y l Chip Intel 852GM or 855GME ICH4 l Memory Shared Memory Up to 64MB with DVMT l Resolutions Up to 1600 x 1200 l LCD Interface Up to 24 bit Dual Channel LVDS TFT LCD l TV out Supports NTSC and PAL Standard I O l MIO EIDE x 2 Keyboard Mouse x1 Parallel x 1 RS 232 x 2 l IrDA One IrDA Tx Rx Header l Audio 2CH AC97 CODEC l USB 4 USB 2 0 Ports ...

Страница 13: ...allation Guide Chapter 2 Part No 2007821010 1st Ed Printed in Taiwan Aug 2005 Notice The Quick Installation Guide is derived from Chapter 2 of user manual For other chapters and further installation instructions please refer to the user manual CD ROM that came with the product ...

Страница 14: ...ile 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...

Страница 15: ...ETX CPU Module E T X 8 2 1 Chapter 2 Quick Installation Guide 2 3 2 2 Location of Connectors and Jumpers Component Side ...

Страница 16: ...ETX CPU Module E T X 8 2 1 Chapter 2 Quick Installation Guide 2 4 Solder Side ...

Страница 17: ...ETX CPU Module E T X 8 2 1 Chapter 2 Quick Installation Guide 2 5 2 3 Mechanical Drawing Component Side ...

Страница 18: ...ETX CPU Module E T X 8 2 1 Chapter 2 Quick Installation Guide 2 6 Solder Side ...

Страница 19: ... Label Function ETX 1 PCI USB Audio ETX 2 ISA ETX 3 VGA LCD Video out COMs LPT FDD IrDA Mouse Keyboard ETX 4 IDE 1 IDE 2 Miscellaneous CN 1 DDR SODIMM Caution In order to properly clear the CMOS when using this ETX module with ECB 901A please ensure to turn off the main switch on the power supply before taking actions That should include both AT and ATX power supply Fail to turn off the main switc...

Страница 20: ...5 FRAME 66 USB2 17 GNT0 18 NC 67 GND 68 GND 19 VCC 20 VCC 69 AD16 70 CBE2 21 DREQ2 SERIRQ 22 REQ0 71 AD17 72 USB3 23 AD0 24 3V 73 AD19 74 AD18 25 AD1 26 AD2 75 AD20 76 USB0 27 AD4 28 AD3 77 AD22 78 AD21 29 AD6 30 AD5 79 AD23 80 USB1 31 CBE0 32 AD7 81 AD24 82 CBE3 33 AD8 34 AD9 83 VCC 84 VCC 35 GND 36 GND 85 AD25 86 AD26 37 AD10 38 LIN_L 87 AD28 88 USB0 39 AD11 40 MIC_IN 89 AD27 90 AD29 41 AD12 42 ...

Страница 21: ...65 SA12 66 DACK1 17 MEMW 18 DACK 5 67 GND 68 GND 19 MEMR 20 DREQ0 69 SA13 70 DREQ3 21 LA17 22 DACK0 71 SA14 72 DACK3 23 LA18 24 IRQ14 73 SA15 74 IOR 25 LA19 26 IRQ15 75 SA16 76 LOW 27 LA20 28 IRQ12 77 SA18 78 SA17 29 LA21 30 IRQ11 79 SA19 80 SMEMR 31 LA22 32 IRQ10 81 IOCHRDY 82 AEN 33 LA23 34 IO16 83 VCC 84 VCC 35 GND 36 GND 85 SD0 86 SMEMW 37 SBHE 38 M16 87 SD2 88 SD1 39 SA0 40 OSC 89 SD3 90 NOWS...

Страница 22: ...ND 17 TXOUT11 18 TXOUT12 67 RTS2 68 PD5 19 TXOUT11 20 TXOUT12 69 DTR2 70 SLIN 21 GND 22 GND 71 DCD2 72 PD4 23 TXOUT03 24 TXOUT10 73 DSR2 74 PD3 25 TXOUT03 26 TXOUT10 75 CTS2 76 PD2 27 GND 28 GND 77 TXD2 78 PD1 29 TXOUT02 30 TXCLK0 79 RI2 80 PD0 31 TXOUT02 32 TXCLK0 81 VCC 82 VCC 33 GND 34 GND 83 RXD1 84 ACK 35 TXOUT00 36 TXOUT01 85 RTS1 86 BUSY 37 TXOUT00 38 TXOUT01 87 DTR1 88 PE 39 VCC 40 VCC 89 ...

Страница 23: ...13 NC 14 SPEEDLED 63 SIDE_D13 64 PIDE_D1 15 NC 16 SMBCLK 65 GND 66 GND 17 VCC 18 VCC 67 SIDE_D2 68 PIDE_D13 19 DACK2 OVCR 20 GPIO0 69 SIDE_D12 70 PIDE_D2 21 EXTSMI 22 SMBDATA 71 SIDE_D3 72 PIDE_D12 23 SMBCLK 24 SMBDATA 73 SIDE_D11 74 PIDE_D3 25 SIDE_CS3 26 CPUFAN NC 75 SIDE_D4 76 PIDE_D11 27 SIDE_CS1 28 VCC 77 SIDE_D10 78 PIDE_D4 29 SIDE_A2 30 PIDE_CS3 79 SIDE_D5 80 PIDE_D10 31 SIDE_A0 32 PIDE_CS1...

Страница 24: ...odule E T X 8 2 1 Chapter 2 Quick Installation Guide 2 12 43 SIDE_AK 44 PIDE_INTRQ 93 RXD 94 SIDE_D7 45 SIDE_RDY 46 PIDE_AK 95 TXD 96 PIDE_D7 47 SIDE_IOR 48 PIDE_RDY 97 TXD 98 HDRST 49 VCC 50 VCC 99 GND 100 GND ...

Страница 25: ...ETX CPU Module E T X 8 2 1 Chapter 3 Award BIOS Setup 3 1 Award BIOS Setup Chapter 3 ...

Страница 26: ...key to continue the boot up sequence System configuration verification These routines check the current system configuration 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 setting...

Страница 27: ...f information is stored in battery backed CMOS RAM so that it retains the Setup information when the power is turned off Entering Setup Power on the computer and press Del immediately This will allow you to enter Setup Standard CMOS Features Use this menu for basic system configuration Date time IDE etc Advanced BIOS Features Use this menu to set the advanced features available on your system ...

Страница 28: ...nagement Setup Use this menu to specify your settings for power management HDD power down power on by ring KB wake up etc PnP PCI Configurations This entry appears if your system supports PnP PCI PC Health Status This menu allows you to set the shutdown temperature for your system Frequency Voltage Control Use this menu to specify your settings for auto detect DIMM PCI clock and spread spectrum Lo...

Страница 29: ...stom BIOS to maximize performance the factory has the right to change these defaults to meet their needs Set Supervisor User Password Use this menu to set Supervisor User Passwords Save and Exit Setup Save CMOS value changes to CMOS and exit setup Exit Without Saving Abandon all CMOS value changes and exit setup You can refer to the AAEON BIOS Item Description pdf file in the CD for the meaning of...

Страница 30: ...ETX CPU Module E T X 8 2 1 Chapter 4 Driver Installation 4 1 Driver Installation Chapter 4 ...

Страница 31: ...or you cannot install drivers successfully please read instructions below for further detailed installations Follow the sequence below to install the drivers Step 1 Install Intel INF Driver Step 2 Install Intel VGA Driver Step 3 Install Intel LAN Driver Step 4 Install Realtek AC97 codec Driver USB 2 0 Drivers are available for download using Windows Update for both Windows XP and Windows 2000 For ...

Страница 32: ... you install the driver automatically 5 Please re start your computer Step 2 Install Intel VGA Driver 1 Click on the Step 2 Intel VGA Driver folder 2 Double click on the exe file 3 Follow the instructions that the window shows 4 The system will help you install the driver automatically 5 Please re start your computer Remark You can choose the different display ways by pressing below hot key C A F1...

Страница 33: ...97 codec Driver folder 2 Choose the OS your system is 3 Double click on the exe file located in each OS folder 4 Follow the instructions that the window shows 5 The system will help you install the driver automatically Note Under the Window OS environment if the CRT connector is connected to display monitor by the data switch device the user need to set the color and resolution from Intel Graphic ...

Страница 34: ...ETX CPU Module E T X 8 2 1 Appendix A Programming the Watchdog Timer A 1 Programming the Watchdog Timer Appendix A ...

Страница 35: ... watchdog timer program is also attached based on which you can develop customized program to fit your application Configuring Sequence Description After the hardware reset or power on reset the ITE 8712 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 sy...

Страница 36: ... Check Pass key MB PnP Mode Next Data Is the data 87h Last Data Any other I O transition cycle I O write to 2Eh Any other I O transition cycle Y I O write to 2Eh Y Y N N N There are three steps to complete the configuration setup 1 Enter the MB PnP Mode 2 Modify the data of configuration registers 3 Exit the MB PnP Mode Undesired result may occur if the MB PnP Mode is not exited normally 1 Enter t...

Страница 37: ...MB PnP Mode Before accessing a selected register the content of Index 07h must be changed to the LDN to which the register belongs except some Global registers 3 Exit the MB PnP Mode Set bit 1 of the configure control register Index 02h to 1 to exit the MB PnP Mode WatchDog Timer Configuration Registers Configure Control Index 02h This register is write only Its values are not sticky that is to ...

Страница 38: ...ETX CPU Module E T X 8 2 1 Appendix A Programming the Watchdog Timer A 5 say a hardware reset will automatically clear the bits and does not require the software to clear them ...

Страница 39: ...2 1 Appendix A Programming the Watchdog Timer A 6 WatchDog Timer Control Register Index 71h Default 00h WatchDog Timer Configuration Register Index 72h Default 00h WatchDog Timer Time out Value Register Index 73h Default 00h ...

Страница 40: ... 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 call Superio_Set_Reg ...

Страница 41: ... 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 CALL Write_Configuration_Data ...

Страница 42: ...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 12h 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 OUT DX AL ...

Страница 43: ...n_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 44: ...ush 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 45: ...ETX CPU Module E T X 8 2 1 Appendix B I O Information B 1 I O Information Appendix B ...

Страница 46: ...ETX CPU Module E T X 8 2 1 Appendix B I O Information B 2 B 1 I O Address Map ...

Страница 47: ...ETX CPU Module E T X 8 2 1 Appendix B I O Information B 3 ...

Страница 48: ...ETX CPU Module E T X 8 2 1 Appendix B I O Information B 4 B 2 1st MB Memory Address Map ...

Страница 49: ...ETX CPU Module E T X 8 2 1 Appendix B I O Information B 5 B 3 IRQ Mapping Chart B 4 DMA Channel Assignments ...

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