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C O M E x p r e s s M o d u l e

C O M - 9 1 5 A 2 . 0

Appendix A Programming the Watchdog Timer

A-2

A.1 Programming

COM-915 A2.0 utilizes ITE 8712 chipset as its watchdog timer

controller.

Below are the procedures to complete its configuration and the

AAEON intial 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 system

reset during power-on reset.

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Содержание COM-915 A2.0

Страница 1: ...odule C O M 9 1 5 A 2 0 COM 915 A2 0 Intel Socket 478 based Pentium M Celeron M Processors 18 bit Dual channel LVDS One DDRII 400 533 SODIMM Memory High Definition Audio Interface COM 915 A2 0 Manual 1st Ed Mar 2009 ...

Страница 2: ...in this 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 assur...

Страница 3: ...he Compact Flash Association Intel Pentium M and Celeron M are trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corp 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 All other product names or trademarks are properties ...

Страница 4: ...nstalling your card please make sure that the following materials have been shipped 1 COM 915 A2 0 CPU Module 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: ...tly It may damage the CPUs If you want to use Intel Banias core 0 13μm CPUs some components on COM 915 A2 0 have to be changed Please contact AAEON s sales if you have the special request 2 Compatibility issue for Transcend USB thumb drive Some Transcend USB thumb drives may not be able to be used as the boot device because of the compatibility issue For more details please contact AAEON s Custome...

Страница 6: ...mpers and Mechanical Drawings 2 3 2 3 List of Connectors Switch 2 5 2 4 Setting Jumpers 2 6 2 5 AT ATX Selection S1 2 7 2 6 COM Express Row AB CN1 2 7 2 7 COM Express Row CD CN2 2 12 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 Wa...

Страница 7: ...COM Express Module C O M 9 1 5 A 2 0 vi Appendix B I O Information B 1 I O Address Map B 2 B 2 1st MB Memory Address Map B 3 B 3 IRQ Mapping Chart B 4 B 4 DMA Channel Assignments B 4 ...

Страница 8: ...COM Express Module C O M 9 1 5 A 2 0 Chapter 1 General Information 1 1 General Information Chapter 1 ...

Страница 9: ...over a fully customized platform AEON s COM 915 A2 0 supports 18 bit dual channel LVDS TFT panel and one DDRII 400 533 SODIMM memory module up to 2GB High Definition HD audio interface can be used by the carrier board s audio codec The parallel port serial port and floppy drive connector can be implemented on the carrier board via LPC ICs ex SIO To satisfy the requirements of leading edge applicat...

Страница 10: ...n M Processors Intel 915GME ICH6M DDRII 400 533 Memory Max 2GB 10 100Base TX Ethernet CRT 18 bit Dual channel LVDS LCD High Definition Audio Interface PATA x 1 SATA II x 2 USB2 0 x 8 PCI x 4 PCI Express x16 x 1 PCI Express x1 x 4 DC 12V Operating Voltage 3 3V For RTC COM Express Basic Module Pin out Type II ...

Страница 11: ...3 up to 2GB Chipset Intel 915GME ICH6M Ethernet Intel 82562ET 10 100Base TX BIOS Award BIOS 1MB PLCC type ROM EEPROM Atmel AT24C02 save BIOS and configuration data Wake On LAN Yes BBS BIOS Boot Spec Yes H W status monitoring CPU temperature monitoring Watchdog Timer Fintek F75111 RTC From ICH6M Expansion Interface PCI Express x16 x 1 shared with 2 SDVO ports PCI Express x1 x 4 32 bit PCI x 4 LPC b...

Страница 12: ...ure 32o F 140o F 0o C 60o C Operating Humidity 0 90 relative humidity non condensing OS Windows 2000 Windows 32 bit XP Pro Windows XP Embedded WinCE5 0 Linux Red Hat Fedora Display Supports CRT LCD simultaneous dual view displays Chipset Intel 915GME integrated Memory Shared system memory up to 128MB Resolution Up to 2048 x 1536 QXGA 75Hz for CRT Up to 1600 x 1200 UXGA for LCD Up to 1920 x 1200 WU...

Страница 13: ...le C O M 9 1 5 A 2 0 Chapter 1 General Information 1 6 SDVO Supports SDVO x 2 Shared with PCI Express x16 I O Storage PATA x 1 Two devices SATAII x 2 USB USB2 0 x 8 Audio High definition audio GPIO Up to 4 in or 4 out ...

Страница 14: ...nstallation Guide 2 1 Quick Installation Chapter 2 Guide 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 15: ...ns while 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 i...

Страница 16: ...COM Express Module C O M 9 1 5 A 2 0 Chapter 2 Quick Installation Guide 2 3 2 2 Location of Connectors Jumpers and Mechanical Drawings Component Side BIOS DIMM1 ...

Страница 17: ...COM Express Module C O M 9 1 5 A 2 0 Chapter 2 Quick Installation Guide 2 4 Solder Side CN2 CN1 S1 ...

Страница 18: ...e are a number of connectors and switch in the board that allow you to configure your system to suit your application The table below shows the function of each connector and switch in the board Connectors Switch Label Function DIMM1 DDRII SODIMM CN1 COM Express Row AB CN2 COM Express Row CD S1 AT ATX Selection ...

Страница 19: ...ect them 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 ...

Страница 20: ...f 2 On AT 2 6 COM Express Row AB CN1 Row A Row B A1 GND FIXED B1 GND FIXED A2 NC B2 GBE0_ACT A3 NC B3 LPC_FRAME A4 GBE0_LINK100 B4 LPC_AD0 A5 NC B5 LPC_AD1 A6 NC B6 LPC_AD2 A7 NC B7 LPC_AD3 A8 GBE0_LINK B8 LPC_DRQ0 A9 GBE0_MDI1 B9 LPC_DRQ1 A10 GBE0_MDI1 B10 LPC_CLK A11 GND FIXED B11 GND FIXED A12 GBE0_MDI0 B12 PWRBTN A13 GBE0_MDI0 B13 SMB_CK ...

Страница 21: ...A0_RX B19 SATA1_RX A20 SATA0_RX B20 SATA1_RX A21 GND FIXED B21 GND FIXED A22 NC B22 NC A23 NC B23 NC A24 SUS_S5 B24 PWR_OK A25 NC B25 NC A26 NC B26 NC A27 BATLOW B27 WDT A28 SATALED B28 AC_SDIN2 A29 AC_SYNC B29 AC_SDIN1 A30 AC_RST B30 AC_SDIN0 A31 GND FIXED B31 GND FIXED A32 AC_BITCLK B32 SPKR A33 AC_SDOUT B33 I2C_CK A34 BIOS_DISABLE B34 I2C_DAT A35 THRMTRIP B35 THRM A36 USB6 B36 USB7 A37 USB6 B37...

Страница 22: ... A44 USB_2_3_OC B44 USB_0_1_OC A45 USB0 B45 USB1 A46 USB0 B46 USB1 A47 VCC_RTC B47 PCIE2_RST A48 PCIE1_RST B48 EXCD1_CPPE A49 EXCD0_CPPE B49 SYS_RESET A50 LPC_SERIRQ B50 CB_RESET A51 GND FIXED B51 GND FIXED A52 NC B52 NC A53 NC B53 NC A54 GPI0 B54 GPO1 A55 NC B55 NC A56 NC B56 NC A57 GND B57 GPO2 A58 PCIE_TXP3 B58 PCIE_RXP3 A59 PCIE_TXN3 B59 PCIE_RXN3 A60 GND FIXED B60 GND FIXED A61 PCIE_TX2 B61 P...

Страница 23: ...0 A69 PCIE_TX0 B69 PCIE_RX0 A70 GND FIXED B70 GND FIXED A71 LVDS_A0 B71 LVDS_B0 A72 LVDS_A0 B72 LVDS_B0 A73 LVDS_A1 B73 LVDS_B1 A74 LVDS_A1 B74 LVDS_B1 A75 LVDS_A2 B75 LVDS_B2 A76 LVDS_A2 B76 LVDS_B2 A77 LVDS_VDD_EN B77 NC A78 NC B78 NC A79 NC B79 LVDS_BKLT_EN A80 GND FIXED B80 GND FIXED A81 LVDS_A_CK B81 LVDS_B_CK A82 LVDS_A_CK B82 LVDS_B_CK A83 LVDS_I2C_CK B83 LVDS_BKLT_CTRL A84 LVDS_I2C_DAT B84...

Страница 24: ...GRN A92 RSVD B92 VGA_BLU A93 GPO0 B93 VGA_HSYNC A94 RSVD B94 VGA_VSYNC A95 RSVD B95 VGA_I2C_CK A96 GND B96 VGA_I2C_DAT A97 VCC_12V B97 NC A98 VCC_12V B98 NC A99 VCC_12V B99 NC A100 GND FIXED B100 GND FIXED A101 VCC_12V B101 VCC_12V A102 VCC_12V B102 VCC_12V A103 VCC_12V B103 VCC_12V A104 VCC_12V B104 VCC_12V A105 VCC_12V B105 VCC_12V A106 VCC_12V B106 VCC_12V A107 VCC_12V B107 VCC_12V A108 VCC_12V...

Страница 25: ...DE_D10 C4 IDE_D3 D4 IDE_D11 C5 IDE_D15 D5 IDE_D12 C6 IDE_D8 D6 IDE_D4 C7 IDE_D9 D7 IDE_D0 C8 IDE_D2 D8 IDE_REQ C9 IDE_D13 D9 IDE_IOW C10 IDE_D1 D10 IDE_ACK C11 GND FIXED D11 GND FIXED C12 IDE_D14 D12 IDE_IRQ C13 IDE_IORDY D13 IDE_A0 C14 IDE_IOR D14 IDE_A1 C15 PCI_PME D15 IDE_A2 C16 PCI_GNT2 D16 IDE_CS1 C17 PCI_REQ2 D17 IDE_CS3 C18 PCI_GNT1 D18 IDE_RESET C19 PCI_REQ1 D19 PCI_GNT3 C20 PCI_GNT0 D20 P...

Страница 26: ...D9 C28 PCI_AD8 D28 PCI_AD11 C29 PCI_AD10 D29 PCI_AD13 C30 PCI_AD12 D30 PCI_AD15 C31 GND FIXED D31 GND FIXED C32 PCI_AD14 D32 PCI_PAR C33 PCI_C BE1 D33 PCI_SERR C34 PCI_PERR D34 PCI_STOP C35 PCI_LOCK D35 PCI_TRDY C36 PCI_DEVSEL D36 PCI_FRAME C37 PCI_IRDY D37 PCI_AD16 C38 PCI_C BE2 D38 PCI_AD18 C39 PCI_AD17 D39 PCI_AD20 C40 PCI_AD19 D40 PCI_AD22 C41 GND FIXED D41 GND FIXED C42 PCI_AD21 D42 PCI_AD24 ...

Страница 27: ... GND FIXED D51 GND FIXED C52 PEG_RX0 D52 PEG_TX0 C53 PEG_RX0 D53 PEG_TX0 C54 TYPE0 D54 PEG_LANE_RV C55 PEG_RXP1 D55 PEG_TXP1 C56 PEG_RXN1 D56 PEG_TXN1 C57 TYPE1 D57 TYPE2 C58 PEG_RXP2 D58 PEG_TXP2 C59 PEG_RXN2 D59 PEG_TXN2 C60 GND FIXED D60 GND FIXED C61 PEG_RXP3 D61 PEG_TXP3 C62 PEG_RXN3 D62 PEG_TXN3 C63 RSVD D63 RSVD C64 RSVD D64 RSVD C65 PEG_RXP4 D65 PEG_TXP4 C66 PEG_RXN4 D66 PEG_TXN4 C67 RSVD ...

Страница 28: ... PEG_RXN7 D75 PEG_TXN7 C76 GND D76 GND C77 RSVD D77 IDE_CBLID C78 PEG_RXP8 D78 PEG_TXP8 C79 PEG_RXN8 D79 PEG_TXN8 C80 GND FIXED D80 GND FIXED C81 PEG_RXP9 D81 PEG_TXP9 C82 PEG_RXN9 D82 PEG_TXN9 C83 RSVD D83 RSVD C84 GND D84 GND C85 PEG_RXP10 D85 PEG_TXP10 C86 PEG_RXN10 D86 PEG_TXN10 C87 GND D87 GND C88 PEG_RXP11 D88 PEG_TXP11 C89 PEG_RXN11 D89 PEG_TXN11 C90 GND FIXED D90 GND FIXED C91 PEG_RXP12 D9...

Страница 29: ... C97 RSVD D97 NC C98 PEG_RXP14 D98 PEG_TXP14 C99 PEG_RXN14 D99 PEG_TXN14 C100 GND FIXED D100 GND FIXED C101 PEG_RXP15 D101 PEG_TXP15 C102 PEG_RXN15 D102 PEG_TXN15 C103 GND D103 GND C104 VCC_12V D104 VCC_12V C105 VCC_12V D105 VCC_12V C106 VCC_12V D106 VCC_12V C107 VCC_12V D107 VCC_12V C108 VCC_12V D108 VCC_12V C109 VCC_12V D109 VCC_12V C110 GND FIXED D110 GND FIXED ...

Страница 30: ...COM Express Module C O M 9 1 5 A 2 0 Chapter 3 Award BIOS Setup 3 1 Chapter Award BIOS Setup 3 ...

Страница 31: ...he following instructions Press F1 to RESUME Write down the message and press the F1 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 i...

Страница 32: ... 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 Advanced Chipset Features Use this menu to change the values in the chipset registers and optimize your system performance Integrated Peripherals Use this menu to specify your settings for integrated peripherals Primary slave secon...

Страница 33: ...e Load Optimized Defaults Use this menu to load the BIOS default values that are factory settings for optimal performance system operations While AWARD has designated the custom 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...

Страница 34: ...COM Express Module C O M 9 1 5 A 2 0 Chapter 4 Driver Installation 4 1 Chapter Driver 4 Installation ...

Страница 35: ...below to install the drivers 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 Audio Driver Step 5 Install Touch Panel Driver USB 2 0 Drivers are available for download using Windows Update for both Windows XP and Windows 2000 For additional information regarding USB 2 0 support in...

Страница 36: ...The system will help you install the driver automatically Step 2 Install Intel VGA Driver 1 Click on the Step 2 Intel VGA Driver folder 2 Double click on the Setup exe 3 Follow the instructions that the window shows 4 The system will help you install the driver automatically Step 3 Install Intel LAN Driver 1 Click on the Step 3 Intel LAN Driver folder and select the OS folder your system is 2 Doub...

Страница 37: ...tem is 2 Double click on the Setup exe located in the OS folder 3 Follow the instructions that the window shows 4 The system will help you install the driver automatically Step 5 Install Touch Panel Driver 1 Click on the Step 5 Touch Panel Driver folder 2 Double click on the Setup exe 3 Follow the instructions that the window shows 4 The system will help you install the driver automatically ...

Страница 38: ...COM Express Module C O M 9 1 5 A 2 0 Appendix A Programming the Watchdog Timer A 1 Programming the Appendix A Watchdog Timer ...

Страница 39: ...N intial 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 o...

Страница 40: ...ng Wait 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 c...

Страница 41: ...tchDog Timer Configuration Registers Configure Control Index 02h This register is write only Its values are not sticky that is to say a hardware reset will automatically clear the bits and does not require the software to clear them WatchDog Timer Control Register Index 71h Default 00h ...

Страница 42: ...OM Express Module C O M 9 1 5 A 2 0 Appendix A Programming the Watchdog Timer A 5 WatchDog Timer Configuration Register Index 72h Default 00h WatchDog Timer Time out Value Register Index 73h Default 00h ...

Страница 43: ... 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 ...

Страница 44: ...evice 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 45: ...tion_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 46: ...DP 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 Set_Logic_Device proc near ...

Страница 47: ...ush 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 48: ...COM Express Module C O M 9 1 5 A 2 0 Appendix B I O Information B 1 I O Information Appendix B ...

Страница 49: ...COM Express Module C O M 9 1 5 A 2 0 Appendix B I O Information B 2 B 1 I O Address Map ...

Страница 50: ...COM Express Module C O M 9 1 5 A 2 0 Appendix B I O Information B 3 B 2 1st MB Memory Address Map ...

Страница 51: ...COM Express Module C O M 9 1 5 A 2 0 Appendix B I O Information B 4 B 3 IRQ Mapping Chart B 4 DMA Channel Assignments ...

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