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Compact Board 

P C M - 8 5 0 0

 

 

Appendix A Programming the Watchdog Timer                                          

A-10

 

 

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 

 

Содержание PCM-8500

Страница 1: ...PCM 8500 Socket 478 based Pentium 4 Pentium 4 Processor M Celeron Processors Compact Board With LCD Ethernet USB PCMCIA Mini PCI PCM 8500 Rev A Manual Oct 2003 ...

Страница 2: ...his 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 it...

Страница 3: ...International Inc l CompactFlash is a trademark of the Compact Flash Association l Intel Pentium 4 4 Processor M and Celeron 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: ...se make sure that the following materials have been shipped 1 PCM 8500 Compact Board 1 Quick Installation Guide 1 CD ROM for manual in PDF format and drivers 1 Jumper Cap If any of these items should be missing or damaged please contact your distributor or sales representative immediately ...

Страница 5: ...rawing 2 5 2 4 List of Jumpers 2 7 2 5 List of Connectors 2 8 2 6 Setting Jumpers 2 9 2 7 Clear CMOS JP1 2 10 2 8 Audio Out Select JP2 2 10 2 9 COM2 Ring 5V 12V Selection JP3 2 10 2 10 COM2 RS 232 422 485 Select JP4 JP5 2 11 2 11 ATX Power simulate AT Power JP6 2 11 2 12 LCD Voltage Selection JP7 2 11 2 13 IDE Connector CN1 2 12 2 14 CompactFlash Connector CN2 2 13 2 15 USB1 Connector CN3 2 14 2 1...

Страница 6: ...S 232 422 485 Serial Port Connector CN16 2 19 2 28 PS2 Keyboard Mouse Connector CN17 2 20 2 29 Digital I O 2 Connector CN18 2 21 2 30 Digital I O 1 Connector CN26 2 22 2 31 TV Out Connector CN19 2 23 2 32 Channel1 LVDS Connector CN20 2 23 2 33 Channel2 LVDS Connector CN21 2 24 2 34 VGA Display Connector CN22 2 24 2 35 Front Panel CN25 2 25 2 36 ATX Power Connector CN27 2 25 2 27 ATX Power 12V Conn...

Страница 7: ...tage control 3 13 3 11Load Fail Safe Defaults 3 14 3 12Load Optimized Defaults 3 14 3 13Set Supervisor User Password 3 14 3 14Save Exit Setup 3 15 3 15Exit without saving 3 15 Chapter 4 Driver Installation 4 1 Installation 1 4 3 4 2 Installation 2 4 5 Appendix A Programming the WatchDog Timer A 1 Watchdog timer A 2 A 2 Configuring sequence description A 2 A 3 ITE8712 Watchdog timer initial program...

Страница 8: ...Compact Board P C M 8 5 0 0 Chapter 1 General Information 1 1 General Information Chapter 1 ...

Страница 9: ...broadly implemented in several markets such as Point of sale point of information Kiosk and gaming markets Multi Function Pentium4 Platform If you are looking for powerful multi media applications PCM 8500 is the one PCM 8500 successfully integrates VGA Audio and Ethernet function into 5 75 size board meanwhile it also supports 6 USB2 0 mini PCI and PCMCIA optional item slots PCM 8500 promises you...

Страница 10: ... choose Pentium 4 processor M for thermal concerned operative environment Low cost Socket 478 Celeron processors are also supported by PCM 8500 for cost intensive projects Most of all Pentium 4 Level processors are suitable for PCM 8500 Talking about the display signal transmission PCM 8500 integrated 48 bit dual channel LVDS interface onboard which allows long distance display signal transmission...

Страница 11: ...essors Support Intel Hyper Threading Technology Support 266 333MHz DDR SDRAM High Speed AGP 4X for VGA display Support 48bit Dual Channel LVDS Support TV Out Function Integrated AC 97 5 1 3D Audio One 10 100Base T Fast Ethernet Support CompactFlash memory storage Six USB 2 0 Ports Digital I O 8 in 8 out as Default up to 16 in or 16 out ...

Страница 12: ...1GB l Chipset Intel i845GV ICH4 ITE 8712 2 l BIOS Award 512 KB FLASH BIOS l Audio ALC 650 Codec 6 Channel AC97 l SSD One Type II CompactFlash Card l Watchdog timer Generate a system reset l DMA 7DMA channels 8237 equivalent l Interrupt 15 interrupt levels 8259 equivalent l Ethernet Intel 82562 10 100 PHY chip l Expansion Interface PCI slot 1 Mini PCI slot 1 PCMCIA Type II 2 Optional l H W status m...

Страница 13: ...ally Adjusts by OS l Resolution Up to 1600 X 1200 for CRT Up to 1280 X 1024 for TFT l LCD Interface Up to 48 bit Dual Channel LVDS TFT LCD Chrontel 7017 l TV Out Support NTSC PAL standard 1024 768 Chrontel 7017 l Dual Display Simultaneous Scan CRT LCD Dual View CRT LCD I O l MIO 1 EIDE Ultra DMA100 1 FDD 1 K B 1 Mouse 1 RS 232 422 485 3 RS 232 1 LPT ...

Страница 14: ...rt 8 in 8 out as default up to 16 in or 16 out l IR interface Support one IrDA Tx Rx header l Ethernet 1 RJ45 Connector l Audio Mic in Line in Line out Speak out CD Audio in With special connector for 5 1 channel audio l USB USB 2 0 3sets Total 6 ports l TV Out Support S terminal and RCA type ...

Страница 15: ...ng of Advanced Chipset Features Speed Step Mode Pentium 4 Mobile in BIOS should be disabled when desktop version Pentium 4 or Celeron are adopted otherwise the system cannot boot Clear CMOS will be required to rescue your PC from this situation For Mobile Pentium 4 this item can be disabled or enabled to get the best performance or maximum power saving of the processor Notice The Quick Installatio...

Страница 16: ...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 17: ...Compact Board P C M 8 5 0 0 Chapter 2 Quick Installation Guide 2 3 2 2 Location of Connectors and Jumpers Component Side 82559 ...

Страница 18: ...Compact Board P C M 8 5 0 0 Chapter 2 Quick Installation Guide 2 4 Solder Side ...

Страница 19: ...Compact Board P C M 8 5 0 0 Chapter 2 Quick Installation Guide 2 5 2 3 Mechanical Drawing Component Side 82559 ...

Страница 20: ...Compact Board P C M 8 5 0 0 Chapter 2 Quick Installation Guide 2 6 Solder Side ...

Страница 21: ...you to configure your system to suit your application The table below shows the function of each of the board s jumpers Jumpers Label Function JP1 Clear RTC JP2 Audio Out Select JP3 COM2 Ring 5V 12V Selection JP4 COM2 RS 232 422 485 Selection JP5 COM2 RS 232 422 485 Selection JP6 ATX Power simulate AT Power JP7 LCD Voltage Selection ...

Страница 22: ...USB1 2 3 Connector CN6 Audio 5 1 Channel SPDIF Connector CN7 Audio Connector CN8 CN24 Fan Connector CN9 PCMCIA Slot CN10 LAN LED Connector CN11 RJ 45 Connector CN12 Option PME Connector CN13 Floppy Connector CN14 LPT Port Connector CN15 IrDA Connector CN16 RS 232 Serial Port COM1 COM4 Connector CN17 PS2 Keyboard Mouse Connector CN18 CN26 Digital I O 16bit Connector CN19 TV Out Connector CN20 Chann...

Страница 23: ...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 cont...

Страница 24: ...ays turn off the power supply before setting Clear CMOS Before turning on the power supply set the jumper back to Normal JP1 Function 1 2 Active Default 2 3 Clear 2 8 Audio Out Select JP2 JP2 Function 1 3 2 4 W O Amplifier Default 3 5 4 6 W Amplifier 2 9 COM2 Ring 5V 12V Selection JP3 JP3 Function 1 2 12V 3 4 5V 5 6 Ring Default ...

Страница 25: ...JP4 JP5 JP4 JP5 Function 1 2 4 5 7 8 10 11 1 2 RS 232 Default 2 3 5 6 8 9 11 12 3 4 RS 422 2 3 5 6 8 9 11 12 5 6 RS 485 2 11 ATX Power simulate AT Power JP6 JP6 Function 1 2 ON ATX Power Simulate AT Power 1 2 OFF ATX Standard Default 2 12 LCD Voltage Selection JP7 JP7 Function 1 2 5V 2 3 3 3V Default ...

Страница 26: ...D 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 N C 21 REQ 22 GND 23 IO WRITE 24 GND 25 IO READ 26 GND 27 IO READY 28 GND 29 DACK 30 GND 31 IRQ14 32 N C 33 ADDR1 34 UDMA DETECT 35 ADDR0 36 ADDR2 37 CS 1 38 CS 3 39 LED 40 GND ...

Страница 27: ... GND 2 DATA3 27 DATA11 3 DATA4 28 DATA12 4 DATA5 29 DATA13 5 DATA6 30 DATA14 6 DATA7 31 DATA15 7 CS 1 32 CS 3 8 GND 33 GND 9 GND 34 IO READ 10 GND 35 IO WRITE 11 GND 36 5V 12 GND 37 IRQ15 13 5V 38 5V 14 GND 39 CSEL 15 GND 40 N C 16 GND 41 IDE RESET 17 GND 42 IO READY 18 ADDR2 43 N C 19 ADDR1 44 5V 20 ADDR0 45 DASP 21 DATA0 46 DIAG ...

Страница 28: ... Pin Signal 1 5V 2 GND 3 USBD0 4 GND 5 USBD0 6 USBD1 7 GND 8 USBD1 9 GND 10 5V 2 16 USB2 Connector CN4 Pin Signal Pin Signal 1 5V 2 GND 3 USBD2 4 GND 5 USBD2 6 USBD3 7 GND 8 USBD3 9 GND 10 5V 2 17 USB3 Connector CN5 Pin Signal Pin Signal 1 5V 2 GND 3 USBD4 4 GND 5 USBD4 6 USBD5 7 GND 8 USBD5 9 GND 10 5V ...

Страница 29: ...Signal 1 Front OUT R 2 GND 3 Front OUT L 4 GND 5 Surr OUT R 6 GND 7 Surr OUT L 8 GND 9 LFE OUT 10 GND 11 CNE OUT 12 GND 13 SPDIF OUT 14 SPDIF IN 2 19 Audio Connector CN7 Pin Signal Pin Signal 1 MIC IN 2 MIC VCC 3 GND 4 CD GND 5 LINE IN L 6 CD IN L 7 LINE IN R 8 CD GND 9 GND 10 CD IN R 11 LINE OUT L 12 LINE OUT R 13 GND 14 GND ...

Страница 30: ...gnal 1 GND 2 5V 3 FAN SPEED SENSE 2 21 LAN LED Connector CN10 Pin Signal Pin Signal 1 Active LED 2 3 3V 3 Link LED 4 3 3V 5 Speed LED 6 3 3V 2 22 10 100Base Tx Ethernet Connector CN11 Pin Signal Pin Signal 1 TX 9 N C 2 TX 10 N C 3 RX 11 GND 4 N C 12 GND 5 N C 13 N C 6 RX 14 N C 7 N C 15 N C 8 N C 16 N C ...

Страница 31: ..._CLK 2 24 Floppy Connector CN13 Pin Signal Pin Signal 1 GND 2 REDWC 3 GND 4 N C 5 GND 6 DS1 7 GND 8 INDEX 9 GND 10 MOTORA 11 GND 12 DRIVE SELECT B 13 GND 14 DRIVE SELECT A 15 GND 16 MOTOR B 17 GND 18 DIR 19 GND 20 STEP 21 GND 22 WRITE DATA 23 GND 24 WRITE GATE 25 GND 26 TRACK 27 GND 28 WRITE PROTECT 29 GND 30 READ DATA 31 GND 32 SIDE1 33 GND 34 DISK CHANGE ...

Страница 32: ...CN14 Pin Signal Pin Signal 1 STROBE 2 AFD 3 PTD0 4 ERROR 5 PTD1 6 INIT 7 PTD2 8 SLIN 9 PTD3 10 GND 11 PTD4 12 GND 13 PTD5 14 GND 15 PTD6 16 GND 17 PTD7 18 GND 19 ACK 20 GND 21 BUSY 22 GND 23 PE 24 GND 25 SELECT 26 N C 2 26 IrDA Connector CN15 Pin Signal 1 5V 2 CIRTX 3 IRRX 4 GND 5 IRTX 6 CIRRX ...

Страница 33: ...al Pin Signal 1 DCD1 2 RXD1 3 TXD1 4 DTR1 5 GND 6 DSR1 7 RTS1 8 CTS1 9 RI1 10 N C 11 DCD2 12 RXD2 422RXD 13 TXD2 14 DTR2 422RXD 15 GND 16 DSR2 17 RTS2 18 CTS2 19 RI2 5V 12V 20 N C 21 DCD3 22 RXD3 23 TXD3 24 DTR3 25 GND 26 DSR 27 RTS3 28 CTS3 29 RI3 30 N C 31 DCD4 32 RXD4 33 TXD4 34 DTR4 35 GND 36 DSR4 37 RTS4 38 CTS4 39 RI4 40 N C ...

Страница 34: ...Compact Board P C M 8 5 0 0 Chapter 2 Quick Installation Guide 2 20 2 28 PS2 Keyboard Mouse Connector CN17 Pin Signal 1 KB_DATA 2 KB_CLK 3 GND 4 5V 5 MS_DATA 6 MS_CLK ...

Страница 35: ...N OUT 7 Digital IN OUT 8 Digital IN OUT 9 5V 10 GND The pin definitions and registers mapping are illustrated below Address 841H 4 in 4 out Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7 Pin8 GPI 27 GPI 26 GPI 25 GPI 24 GPO 23 GPO 22 GPO 21 GPO 20 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 8 in Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7 Pin8 GPI 27 GPI 26 GPI 25 GPI 24 GPI 23 GPI 22 GPI 21 GPI 20 Bit 7 Bit 6 Bit...

Страница 36: ...N OUT 7 Digital IN OUT 8 Digital IN OUT 9 5V 10 GND The pin definitions and registers mapping are illustrated below Address 801H 4 in 4 out Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7 Pin8 GPI 27 GPI 26 GPI 25 GPI 24 GPO 23 GPO 22 GPO 21 GPO 20 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 8 in Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7 Pin8 GPI 27 GPI 26 GPI 25 GPI 24 GPI 23 GPI 22 GPI 21 GPI 20 Bit 7 Bit 6 Bit...

Страница 37: ...l Pin Signal 1 Y 2 CVBS 3 GND 4 GND 5 C 6 N C 7 GND 8 N C 2 32 Channel1 LVDS Connector CN20 Pin Signal Pin Signal 1 LVDS_TX1 2 LVDS_TX1 3 GND 4 GND 5 LVDS_TXCLK 6 LVDS_TXCLK 7 GND 8 PPVCC 9 PPVCC 10 PPVCC 11 LVDS_TX2 12 LVDS_TX2 13 GND 14 GND 15 LVDS_TX0 16 LVDS_TX0 17 LVDS_TX3 18 LVDS_TX3 19 ENBKL 20 N C ...

Страница 38: ...TX1 2 LVDS_TX1 3 GND 4 GND 5 LVDS_TXCLK 6 LVDS_TXCLK 7 GND 8 PPVCC 9 PPVCC 10 PPVCC 11 LVDS_TX2 12 LVDS_TX2 13 GND 14 GND 15 LVDS_TX0 16 LVDS_TX0 17 LVDS_TX3 18 LVDS_TX3 2 34 VGA Display Connector CN22 Pin Signal Pin Signal 1 Red 9 GND 2 VCC 10 HSYNC 3 Green 11 GND 4 GND 12 VSYNC 5 Blue 13 GND 6 N C 14 SCL 7 N C 15 GND 8 SDA 16 N C ...

Страница 39: ... IDE LED 4 IDE LED 5 BUZZER 6 5V 7 EXTSMI 8 EXTSMI 9 Reset Switch 10 Reset Switch 2 36 ATX Power Connector CN27 Pin Signal Pin Signal 1 3 3V 11 3 3V 2 3 3V 12 12V 3 GND 13 GND 4 5V 14 PS_ON 5 GND 15 GND 6 5V 16 GND 7 GND 17 GND 8 POWER OK 18 5V 9 5VSB 19 5V 10 12V 20 5V 2 37 ATX Power 12V Connector CN28 Pin Signal Pin Signal 1 GND 2 GND 3 12V 4 12V ...

Страница 40: ...Compact Board P C M 8 5 0 0 Chapter 3 Award BIOS Setup 3 1 Award BIOS Setup Chapter 3 ...

Страница 41: ...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 42: ... 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 Advanced Chipset ...

Страница 43: ... 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 frequency voltage control Load Fail Safe Defaults Use this menu to load the BIOS default values for the minimal stable performance for your system to operate Load Optimized Defaults Use this menu to load ...

Страница 44: ...M 8 5 0 0 Chapter3 Award BIOS Setup 3 5 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 ...

Страница 45: ...S Features option from the INITIAL SETUP SCREEN menu the screen shown below is displayed This standard Setup Menu allows users to configure system components such as date time hard disk drive floppy drive and display Once a field is highlighted on line help information is displayed in the right box of the Menu screen ...

Страница 46: ... Award BIOS Setup 3 7 3 4 Advanced BIOS Features By choosing the Advanced BIOS Features option from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 8500 ...

Страница 47: ...CM 8500 for supporting Desktop or Mobile type of P4 Processors please make sure appropriated processor is installed on PCM 8500 before your turn on the power 2 The setting of Advanced Chipset Features Speed Step Mode P4 Mobile in BIOS should be disable when desktop version Pentium 4 or Celeron are adopted otherwise the system cannot boot Clear CMOS will be required to rescue your PC from this situ...

Страница 48: ...er3 Award BIOS Setup 3 9 3 6 Integrated Peripherals By choosing the Integrated Peripherals from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 8500 ...

Страница 49: ...er3 Award BIOS Setup 3 10 3 7 Power management Setup By choosing the Power Management Setup from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 8500 ...

Страница 50: ...er3 Award BIOS Setup 3 11 3 8 PnP PCI configuration By choosing the PnP PCI configurations from the Initial Setup Screen menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 8500 ...

Страница 51: ... Chapter3 Award BIOS Setup 3 12 3 9 PC Health Status By choosing the PC Health Status from the Initial Setup Screen menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 8500 ...

Страница 52: ...Award BIOS Setup 3 13 3 10 Frequency Voltage control By choosing the Frequency Voltage Control from the Initial Setup Screen menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 8500 ...

Страница 53: ...oads the default values that are manufacturer s settings for optimal performance system operations 3 13 Set Supervisor User Password You can set either SUPERVISOR or USER PASSWORD or both of them The difference between the two is that the supervisor password allows unrestricted access to enter and change the options of the setup menus while the user password only allows entry to the program but no...

Страница 54: ...ess Enter the values entered in the setup utilities will be recorded in the chipset s CMOS memory The microprocessor will check this every time you turnon your system and compare this to what it finds as it checks the system This record is required for the system to operate 3 15 Exit without saving Selecting this option and pressing Enter allows you to exit the Setup program without recording any ...

Страница 55: ...Compact Board P C M 8 5 0 0 Chapter 4 Driver Installation 4 1 Driver Installation Chapter 4 ...

Страница 56: ...NT Service Pack from Microsoft website and install it before installing any driver Please follow the sequence below to install the drivers Step 1 Install INF Driver Step 2 Install VGA Driver Step 3 Install IAA Driver Step 4 Install LAN Driver Step 5 Install Audio Driver USB 2 0 Drivers are available for download using Windows Update for both Windows XP and Windows 2000 For additional information r...

Страница 57: ... Operation System folder to double click on the Setup exe icon A driver installation screen will appear Notice 1 Take VGA driver installation under Windows 98 for example choose the corresponding folder depending on your OS 2 When installing the VGA driver under Windows 98 the system will ask you to reboot the computer During the installation process it will appear the pop up window as following 3...

Страница 58: ...cat 3 A driver installation screen will appear please follow the onscreen instructions to install the driver in sequence and click on the Next button Notice In some cases the system will ask you to insert Windows 98 CD ROM and key in its path Then click on the OK button to key in path 4 Click on the Finish button to finish installation process And allow the system to reboot ...

Страница 59: ... by step instruction and click on OK button 6 Click on the Have Disk button 7 Key in CD ROM path and specify component drivers then click on the OK button 8 From the list of displayed devices select your desired device 9 If a message appears stating the driver is already installed on the system and asks if you want to use the current or new drivers be sure to select the New button 10 If prompted f...

Страница 60: ...Compact Board P C M 8 5 0 0 Appendix A Programming the Watchdog Timer A 1 Programming the Watchdog Timer Appendix A ...

Страница 61: ... 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 Hardware Reset Wait for key string 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 Hardware Reset Wait for key string Check Pass key MB PnP ...

Страница 62: ...enter keys are provided to select configuration ports 2Eh 2Fh of the next step Address Port Data Port 87h 01h 55h 55h 2Eh 2Fh 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 of Index 07h must be changed to the LDN to which the register belongs except some Global registers 3 Exit the MB Pn...

Страница 63: ...nfiguration sequence is completed 0 Resets all logical devices and restores configuration registers to their power on states WatchDog Timer Control Register Index 71h Default 00h Bit Description 7 WDT is reset upon a CIR interrupt 6 WDT is reset upon a KBC mouse interrupt 5 WDT is reset upon a KBC keyboard interrupt 4 WDT is reset upon a read or a write to the Game Port base address 3 2 Reserved 1...

Страница 64: ...eserved 3 0 Select the interrupt levelNote for WDT WatchDog Timer Time out Value Register Index 73h Default 00h Bit Description 7 0 WDT Time out value 7 0 A 3 ITE8712 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 ...

Страница 65: ...l 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 game port enable mov cl 9 call Set_Logic_Device Initial_OK CALL Exit_Configuration_mode MOV AH 4Ch INT 21h Enter_Configuration_Mode PROC NEAR ...

Страница 66: ...OV 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 RET Exit_Configuration_Mode ENDP Check_Chip PROC NEAR MOV AL 20h CALL Read_Configuration_Data CMP AL 87h JNE Not_Initial ...

Страница 67: ...ta 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 MOV DX WORD PTR CS Cfg_Port 06h IN AL DX RET Read_Configuration_Data ENDP Write_Configuration_Data PROC NEAR MOV DX WORD PTR CS Cfg_Port 04h OUT DX AL ...

Страница 68: ...R 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 push ax push cx xchg al cl mov cl 07h call Superio_Set_Reg pop cx pop ax ret ...

Страница 69: ... the Watchdog Timer A 10 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 ...

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