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MI945AF User’s Manual

 

 
 

Acknowledgments 

 

Award is a registered trademark of Award Software International, 
Inc. 
PS/2 is a trademark of International Business Machines 
Corporation. 
Intel and Intel®  Core 2 Duo  and Intel®  Celeron processors are 
registered trademarks of Intel Corporation. 
Microsoft Windows is a registered trademark of Microsoft 
Corporation. 
Winbond is a registered trademark of Winbond Electronics 
Corporation. 
All other product names or trademarks are properties of their 
respective owners. 

 

Summary of Contents for MI945AF

Page 1: ...MI945AF Intel CoreTM 2 Duo GM45 Mini ITX Motherboard USER S MANUAL Version 1 0 ...

Page 2: ...usiness Machines Corporation Intel and Intel Core 2 Duo and Intel Celeron processors are registered trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corporation Winbond is a registered trademark of Winbond Electronics Corporation All other product names or trademarks are properties of their respective owners ...

Page 3: ...tting the Jumpers 8 Connectors on MI945 12 BIOS Setup 23 Drivers Installation 45 Intel Chipset Software Installation Utility 46 VGA Drivers Installation 48 Realtek Audio Driver Installation 50 LAN Drivers Installation 51 Intel Management Engine Interface 53 Intel AMT SOL Driver Installation 55 Appendix 57 A I O Port Address Map 57 B Interrupt Request Lines IRQ 58 C Watchdog Timer Configuration 59 ...

Page 4: ...ected there will be no image on screen when you insert the CRT VGA cable To show the image on screen the hotkey must be pressed CTRL ALT F1 Remarks The IDE connector on board does not support OS installation in hard drive A system hard drive connected to this IDE cannot be booted up to OS ...

Page 5: ...ynamic Video Memory Technology DVMT DVMT handles diverse applications by providing the maximum 384MB availability of system memory for general computer usage while supplying additional graphics memory when a 3D intensive application requests it The Intel GMA4500MHD graphics architecture also takes advantage of the high performance Intel processor Intel GMA4500MHD graphics supports Dual Independent...

Page 6: ...User s Manual Checklist Your MI945 package should include the items listed below The MI945 Mini ITX motherboard This User s Manual 1 CD containing chipset drivers and flash memory utility Cable kit IDE Serial port Serial ATA ...

Page 7: ... PATA x1 for 1 PATA channel for IDE CF Audio ICH9M built in audio controller AC97 Codec ALC888 w 7 1 channels SPDIF OUT LPC I O W83627DHG COM1 COM2 RS232 RS422 RS485 hardware monitor 3 thermal 4 voltage monitor inputs 2 fan headers Fintek 81216G for COM3 and COM4 Digital IO 4 in 4 out Keyboard Mouse Supports PS 2 keyboard mouse connector Expansion Slots PCI slot x1 PIC E x1 slot x1 and Mini PCIE s...

Page 8: ...INTRODUCTION 4 MI945AF User s Manual Board Dimensions ...

Page 9: ...lations This section provides information on how to use the jumpers and connectors on the MI945 in order to set up a workable system The topics covered are Installing the CPU 6 Installing the Memory 7 Setting the Jumpers 8 Connectors on MI945 12 ...

Page 10: ...picture below loosen the screw first before inserting the processor Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has slide into the socket fasten the screw Refer to the figures below NOTE Ensure that the CPU heat sink and the CPU top surface are in total contact to avoid CPU overheati...

Page 11: ...s locate the memory slot on the board and perform the following steps 1 Hold the DDR2 module so that the key of the DDR2 module aligned with that on the memory slot 2 Gently push the DDR2 module in an upright position until the clips of the slot close to hold the DDR2 module in place when the DDR2 module touches the bottom of the slot 3 To remove the DDR2 module press the clips with both hands DDR...

Page 12: ...s on MI945 and their respective functions Jumper Locations on MI945 9 JP1 Keyboard Mouse Power Selection 10 JP2 LCD Panel Power Selection 10 JP5 JP6 JP7 RS232 422 485 COM2 Selection 10 JP9 CompactFlash Slave Master Selection 11 JP10 PCI PCIE Riser Card Selection 11 JBAT1 Clear CMOS Setting 11 IMPORTANT NOTE When the system boots without the CRT being connected there will be no image on screen when...

Page 13: ... on MI945 Jumpers on MI945 Page JP1 Keyboard Mouse Power Selection 10 JP2 LCD Panel Power Selection 10 JP5 JP6 JP7 RS232 422 485 COM2 Selection 10 JP9 CompactFlash Slave Master Selection 11 JP10 PCI PCIE Riser Card Selection 11 JBAT1 Clear CMOS Setting 11 ...

Page 14: ... 3 3V 5V JP5 JP6 JP7 RS232 422 485 COM2 Selection COM1 is fixed for RS 232 use only COM2 is selectable for RS232 RS 422 and RS 485 The following table describes the jumper settings for COM2 selection COM2 Function RS 232 RS 422 RS 485 Jumper Setting pin closed JP5 1 2 JP6 3 5 4 6 JP7 3 5 4 6 JP5 3 4 JP6 1 3 2 4 JP7 1 3 2 4 JP5 5 6 JP6 1 3 2 4 JP7 1 3 2 4 ...

Page 15: ...X TX DATA 3 TX RX NC 4 DTR RX NC 5 Ground Ground Ground 6 DSR RTS NC 7 RTS RTS NC 8 CTS CTS NC 9 RI CTS NC 10 NC NC NC JP9 CompactFlash Slave Master Selection JP9 CF Setting Master Slave JP10 PCI PCIE Riser Card Selection JP10 Riser Card IP390 Riser Card Install IP151 IP240 Riser Card Install JBAT1 Clear CMOS Setting JBAT1 Setting Normal Clear CMOS ...

Page 16: ...17 J2 F_PANEL System Function Connector 17 F_USB1 USB5 USB6 Connector 19 COM2 COM2 Serial Port 19 LVDS1 LVDS2 LVDS Connectors 1st channel 2nd channel 19 J1 LCD Backlight Connector 20 JMINI Mini PCIE Connector 20 SATA1 SATA2 SATA3 SATA4 SATA Connectors 20 J3 Digital I O 20 J5 CD In Pin Header 20 J4 SPI Flash Connector factory use only 20 J7 Front Audio Connector 20 J8 PCI E x1 Slot 20 F_USB2 USB7 U...

Page 17: ...INSTALLATIONS MI945AF User s Manual 13 Connector Locations on MI945 ...

Page 18: ...data 1 1 Mouse data N C 2 2 N C GND 3 3 GND 5V 4 4 5V Keyboard clock 5 5 Mouse clock N C 6 6 N C CN2 CN3 COM1 and VGA Connector Signal Name Pin Pin Signal Name DCD 1 6 DSR RXD 2 7 RTS TXD 3 8 CTS DTR 4 9 RI GND 5 10 Not Used Signal Name Pin Pin Signal Name Red 1 2 Green Blue 3 4 N C GND 5 6 GND GND 7 8 GND N C 9 10 GND N C 11 12 N C HSYNC 13 14 VSYNC NC 15 ...

Page 19: ... Out Connector CN5 Audio Connector SYS_FAN1 System Fan Power Connector This is a 3 pin header for system fans The fan must be a 12V 500mA Pin Signal Name 1 Ground 2 12V 3 Rotation detection CPU_FAN1 CPU Fan Power Connector This is a 3 pin header for the CPU fan The fan must be a 12V fan Pin Signal Name 1 Ground 2 12V 3 Rotation detection ...

Page 20: ...16 Host data 14 Host data 0 17 18 Host data 15 Ground 19 20 Protect pin DRQ0 21 22 Ground Host IOW 23 24 Ground Host IOR 25 26 Ground IOCHRDY 27 28 Host ALE DACK0 29 30 Ground IRQ14 31 32 No connect Address 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 Activity 39 40 Ground COM3_COM4 COM3 COM4 Serial Port Signal Name Pin Pin Signal Name DSR 2 1 DCD RTS 4 3 RXD CTS ...

Page 21: ...nnector J2 provides connectors for system indicators that provide light indication of the computer activities and switches to change the computer status J2 is a 20 pin header that provides interfaces for the following functions Hard Disk Drive LED Reset Switch Not Defined ATX Power On Switch Not Defined Power LED Speaker Speaker Pins 1 4 This connector provides an interface to a speaker for audio ...

Page 22: ...r switch will force the system to power on When pressed again it will force the system to power off Reset Switch Pins 9 and 19 The reset switch allows the user to reset the system without turning the main power switch off and then on again Orientation is not required when making a connection to this header Hard Disk Drive LED Connector Pins 10 and 20 This connector connects to the hard drive activ...

Page 23: ...ive data 2 7 RTS Request to send TXD Transmit data 3 8 CTS Clear to send DTR Data terminal ready 4 9 RI Ring indicator GND ground 5 10 Not Used LVDS1 LVDS2 LVDS Connectors 1st channel 2nd channel The LVDS connectors on board consist of the first channel LVDS1 and second channel LVDS2 Signal Name Pin Pin Signal Name TX0 2 1 TX0 Ground 4 3 Ground TX1 6 5 TX1 5V 3 3V 8 7 Ground TX3 10 9 TX3 TX2 12 11...

Page 24: ...rs J3 Digital I O Signal Name Pin Pin Signal Name GND 1 2 VCC OUT3 3 4 OUT1 OUT2 5 6 OUT0 IN3 7 8 IN1 IN2 9 10 IN0 J5 CD In Pin Header Pin Signal Name 1 CD Audio R 2 Ground 3 Ground 4 CD Audio L J4 SPI Flash Connector factory use only J7 Front Audio Connector Signal Name Pin Pin Signal Name MIC2_L 1 2 Ground MIC2_R 3 4 Presence Line2_L 5 6 MIC2_ID Sense 7 8 NC Line2_R 9 10 Line2_ID J8 PCI E x1 Slo...

Page 25: ...V A3 B3 5V 3 3V A4 B4 3 3V RESET A5 B5 GND GND A6 B6 GND SDVOC_CLK A7 B7 SDVOC_CLK SDVOC_Blue A8 B8 SDVOC_Blue GND A9 B9 GND SDVOC_Green A10 B10 SDVOC_Green SDVOC_Red A11 B11 SDVOC_Red GND A12 B12 GND SDVO TVClkIn A13 B13 SDVO TVClkIn SDVOB Int A14 B14 SDVOB Int GND A15 B15 GND SDVO CtrlData A16 B16 SDVO CtrlClk SDVOB Clk A17 B17 SDVOB Clk GND A18 B18 GND SDVOB Blue A19 B19 SDVOB Blue SDVOB Green ...

Page 26: ...age 3 3V 5V ID390 J1 LCD Backlight Setting Pin Signal Name 1 12V 2 Backlight Enable 3 Ground ID390 J3 and J2 1 st 2 nd LVDS Channel Connectors Signal Name Pin Pin Signal Name TX0 2 1 TX0 Ground 4 3 Ground TX1 6 5 TX1 5V 3 3V 8 7 Ground TX3 10 9 TX3 TX2 12 11 TX2 Ground 14 13 Ground TXC 16 15 TXC 5V 3 3V 18 17 ENABKL 12V 20 19 12V ...

Page 27: ...Award BIOS that comes with the board The topics covered in this chapter are as follows BIOS Introduction 24 BIOS Setup 24 Main BIOS Setup 25 Advanced Settings 26 PCIPnP Settings 36 Boot Settings 37 Security Settings 38 Advanced Chipset Settings 39 Exit Setup 43 Load Optimal Defaults 43 Load Failsafe Defaults 43 ...

Page 28: ...ediately activated Pressing the Del key immediately allows you to enter the Setup utility If you are a little bit late pressing the Del key POST Power On Self Test will continue with its test routines thus preventing you from invoking the Setup If you still wish to enter Setup restart the system by pressing the Reset button or simultaneously pressing the Ctrl Alt and Delete keys You can also resta...

Page 29: ...Core TM 2 Duo CPU T9400 2 53GHz Speed 2533MHz Count 1 System Memory Size 3995MB System Time 02 29 50 System Date Fri 01 02 2009 Note If the system cannot boot after making and saving system changes with Setup the Award BIOS supports an override to the CMOS settings that resets your system to its default Warning It is strongly recommended that you avoid making any changes to the chipset defaults Th...

Page 30: ...ary SuperIO Configuration ACPI Configuration AHCI Configuration APM Configuration Event Log Configuration Intel AMT Configuration Intel VT d Configuration MPS Configuration USB Configuration The Advanced BIOS Settings contains the following sections CPU Configurations IDE Configuration SuperIO Configuration Hardware Health Confguration Secondary SuperIO Configuration ACPI Configuration AHCI Config...

Page 31: ...requency 2 53GHz FSB Speed 1066MHz Cache L1 64KB Cache L2 6144KB Ratio Actual Value 9 5 Max CPUID Value Limit Disabled Intel R Virtualization Tech Enabled Execute Disable Bit Capability Enabled Core Multi Processing Enabled Intel R SpeedStep tm tech Enabled The CPU Configuration menu shows the following CPU details Manufacturer the name of the CPU manufacturer Brand String the brand name of the CP...

Page 32: ...Slave IDE Detect Time Out Sec ATA PI 80Pin Cable Detection Not Detected 35 Host Device The IDE Configuration menu is used to change and or set the configuration of the IDE devices installed in the system SATA 1 can be configured as IDE Raid or AHCI BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit Hardware Health Configuration Configure CPU Select Screen Select Item Change Field T...

Page 33: ...llel Port Address Disabled Restore on AC Power Loss Power Off Power On Function None Main Advanced PCIPnP Boot Security Chipset Exit Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit Serial Port3 Address Disabled Serial Port4 Address Disabled Onboard Serial Port Parallel Port These fields allow you to select the onboard serial ports and their addres...

Page 34: ...Security Chipset Exit ACPI Settings General ACPI Configuration settings Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit General ACPI Configuration Chipset ACPI Configuration BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit General ACPI Configuration General ACPI Configuration settings Select Screen Select Item Change Field Tab Se...

Page 35: ...tings AHCI BIOS Support Enabled General ACPI Configuration settings Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit AHCI Port0 Not Detected AHCI Port1 Not Detected AHCI Port2 Not Detected AHCI Port3 Not Detected AHCI Port4 Not Detected AHCI Port5 Not Detected BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit APM Configuration Disa...

Page 36: ...pend or standby state That is the system will be awakened by an incoming call on a modem Resume on PME This option is used enable activity on the PCI PME power managementevent controller to wake up the system from a suspend or standby state Resume On RTC Alarm This option is used to specify the time the system should be awakened from a suspended state ...

Page 37: ... Save and Exit ESC Exit View Event Log Mark all events as read Clear Event Log BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit Configure Intel AMT Parameters Options Disabled Enabled Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit Intel AMT Support Disabled Unconfigure AMT ME Disabled The Intel AMT Configuration configures the I...

Page 38: ...tion capabilities one physical computer system can function as multiple virtual systems BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit MPS Configuration Select MPS Revision Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit MPS Revision VT d 1 4 MPS Version Control for OS This option is specifies the MPS Multiprocessor Specificati...

Page 39: ...Save and Exit ESC Exit Module Version 2 24 3 13 4 USB Devices Enabled 1 Drive Legacy USB Support Enabled BIOS EHCI Hand Off Enabled USB Mass Storage Device Configuration The USB Configuration menu is used to read USB configuration information and configure the USB settings Legacy USB Support This option is used to enable the USB mouse and USB keyboard support This option is enabled by default USB ...

Page 40: ...g Disabled PCI IDE BusMaster Enabled IRQ3 Available IRQ4 Available IRQ5 Available IRQ7 Available IRQ9 Available IRQ10 IRQ11 IRQ14 IRQ15 DMA Channel 0 DMA Channel 1 DMA Channel 3 DMA Channel 5 DMA Channel 6 DMA Channel 7 Reserved Memory Size Available Available Available Available Available Available Available Available Available Available Disabled Clear NVRAM This item is used for clearing NVRAM d...

Page 41: ...ring for BIOS reading writing to IDE devices IRQ Use the IRQ address to specify what IRQs can be assigned to a particular peripheral device Boot Settings This option configures the settings during system boot including boot device priority and HDD CD DVD drives BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit Boot Settings Configure Settings during System Boot Select Screen Selec...

Page 42: ...to type it again After setting a password the screen automatically returns to the main screen To disable a password just press the Enter key when you are prompted to enter the password A message will confirm the password to be disabled Once the password is disabled the system will boot and you can enter Setup freely BIOS SETUP UTILITY Main Advanced PCIPnP Boot Security Chipset Exit Security Settin...

Page 43: ...LITY Main Advanced PCIPnP Boot Security Chipset Exit North Bridge Chipset Configuration Disabled 15MB 16MB Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit Memory Hole Disabled Boots Graphic Adapter Priority PEG PCI Internal Graphics Mode Select Enabled 32MB Max TOLUD 3G Bytes PEG Port Configuration PEG Port Auto Video Function Configuration Memory...

Page 44: ...Display Device Enabled Flat Panel Type 1024 x 768 TV Standard Auto Active LVDS Device Integrated LVDS Integrated LVDS Protocol 18bit SDVO Device Setting None Video Function Configuration This option is used to configure the video device connected to the system Boot Display Device This option is used to select the display device used by the system when it boots Flat Panel Type This option is used t...

Page 45: ...0 Auto PCIE Port 1 Auto PCIE Port 2 Auto PCIE Port 3 Auto PCIE Port 4 Auto PCIE High Priority Port Disabled PCIE Port 0 IOxAPIC Enable Disabled PCIE Port 1 IOxAPIC Enable Disabled PCIE Port 2 IOxAPIC Enable Disabled PCIE Port 3 IOxAPIC Enable Disabled PCIE Port 4 IOxAPIC Enable Disabled PCIE Port 5 IOxAPIC Enable Disabled GbE LAN Boot This option is disabled by default The system then will not boo...

Page 46: ...s option allows you to enable or disable the HECI message End Of Post S5 HECI Message This option allows you to enable or disable HECI message when the system is in the off S5 state ME HECI This option is enabled by default and cannot be changed ME IDER This option is used to enable or disable the IDE Redirection IDE R function on an AMT capable system ME KT This option is used to enable or disabl...

Page 47: ...not to accept the modifications and save all changes into the CMOS memory before exit Discard Changes and Exit This option allows you to exit the Setup utility without saving the changes you have made in this session Discard Changes This option allows you to discard all the changes that you have made in this session Load Optimal Defaults This option allows you to load the default values to your sy...

Page 48: ...BIOS SETUP 44 MI945AF User s Manual This page is intentionally left blank ...

Page 49: ...e you made the purchase The contents of this section include the following Intel Chipset Software Installation Utility 46 VGA Drivers Installation 48 Realtek Audio Driver Installation 50 LAN Drivers Installation 51 Intel Management Engine Interface 53 Intel AMT SOL Driver Installation 55 IMPORTANT NOTE After installing your Windows operating system Windows XP you must install first the Intel Chips...

Page 50: ...ivers to enable Plug Play INF support for Intel chipset components Follow the instructions below to complete the installation 1 Insert the CD that comes with the board Click Intel and then Intel R GM45 Chipset Drivers 2 Click Intel R Chipset Software Installation Utility 3 When the Welcome screen to the Intel Chipset Device Software appears click Next to continue ...

Page 51: ...accept the software license agreement and proceed with the installation process 5 On the Readme File Information screen click Next to continue the installation 6 The Setup process is now complete Click Finish to restart the computer and for changes to take effect ...

Page 52: ...GA drivers follow the steps below to proceed with the installation 1 Insert the CD that comes with the board Click Intel and then Intel R GM45 Chipset Drivers 2 Click Intel R GM45 Chipset Family Graphics Driver 3 When the Welcome screen to the Setup Program appears click Next to continue ...

Page 53: ...ent and continue the installation 5 On the Readme File Information screen click Next to continue the installation of the Intel Graphics Media Accelerator Driver 6 On Setup Progress screen click Next to continue 7 Setup complete Click Finish to restart the computer and for changes to take effect ...

Page 54: ...tion 1 Insert the CD that comes with the board Click Intel and then Intel R GM45 Chipset Drivers 2 Click Realtek High Definition Audio Driver 3 On the Welcome to the InstallShield Wizard screen click Next 3 InstallShield Wizard is complete Click Finish to restart the computer ...

Page 55: ...N controllers 1 Insert the CD that comes with the motherboard Click LAN Card and then Intel R PRO 82574L LAN Drivers 2 When the Welcome screen to the InstallShield Wizard for Intel Network Connections appears click Next On the next screen click Yes to to agree with the license agreement 3 Click the checkbox for Drivers in the Setup Options screen to select it and click Next to continue ...

Page 56: ... Manual 4 The wizard is ready to begin installation Click Install to begin the installation 5 When InstallShield Wizard is complete click Finish Remarks This Intel PRO 82574L LAN drivers support both Intel 82574L and 82567LM LAN controllers ...

Page 57: ... s Manual 53 Intel Management Engine Interface Follow the steps below to install the Intel Management Engine 1 Insert the drivers disc that comes with the motherboard Click Intel and then Intel R AMT 4 0 Drivers then Intel R MEI Driver ...

Page 58: ...DRIVERS INSTALLATION 54 MI945AF User s Manual 2 When the Setup Progress screen appears click Next Then click Finish when the setup progress has been successfully installed ...

Page 59: ...he steps below to install the Intel Management Engine 1 Insert the drivers disc that comes with the motherboard Click Intel and then Intel R AMT 4 0 Drivers then Intel R LMS SOL Driver 2 On the Setup screen for Microsoft NET Framework 3 5 SPI click Install When Setup is complete click Exit ...

Page 60: ...LLATION 56 MI945AF User s Manual 3 The next screen shows the Intel Active Management Technology setup progress where the Intel AMT SOL driver is being installed Click Next Click Finish when setup process is complete ...

Page 61: ... 05Fh Timer 060h 06Fh Keyboard Controller 070h 07Fh Real Time Clock NMI 080h 09Fh DMA Page Register 0A0h 0BFh Interrupt Controller 2 0C0h 0DFh DMA Controller 2 0F0h Clear Math Coprocessor Busy Signal 0F1h Reset Math Coprocessor 1F0h 1F7h IDE Interface 278 27F Parallel Port 2 LPT2 2F8h 2FFh Serial Port 2 COM2 2B0 2DF Graphics adapter Controller 378h 3FFh Parallel Port 1 LPT1 360 36F Network Ports 3...

Page 62: ...ing table shows the IRQ used by the devices on board Level Function IRQ0 System Timer Output IRQ1 Keyboard IRQ2 Interrupt Cascade IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Reserved IRQ6 Floppy Disk Controller IRQ7 Parallel Port 1 IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 PS 2 Mouse IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE ...

Page 63: ...AMPLE CODE THIS CODE AND INFORMATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE include stdio h include stdlib h include W627DHG H int main int argc char argv void copyright void void EnableWDT int void DisableWDT void int main int argc char argv unsigned c...

Page 64: ...signed char bBuf bBuf Get_W627DHG_Reg 0x2D bBuf 0x01 Set_W627DHG_Reg 0x2D bBuf Enable WDTO Set_W627DHG_LD 0x08 switch to logic device 8 Set_W627DHG_Reg 0x30 0x01 enable timer bBuf Get_W627DHG_Reg 0xF5 bBuf 0x08 Set_W627DHG_Reg 0xF5 bBuf count mode is second Set_W627DHG_Reg 0xF6 interval set timer void DisableWDT void Set_W627DHG_LD 0x08 switch to logic device 8 Set_W627DHG_Reg 0xF6 0x00 clear watc...

Page 65: ... result unsigned char ucDid W627DHG_BASE 0x2E result W627DHG_BASE ucDid Get_W627DHG_Reg 0x20 if ucDid 0x88 goto Init_Finish W627DHG_BASE 0x4E result W627DHG_BASE ucDid Get_W627DHG_Reg 0x20 if ucDid 0x88 goto Init_Finish W627DHG_BASE 0x00 result W627DHG_BASE Init_Finish return result void Unlock_W627DHG void outportb W627DHG_INDEX_PORT W627DHG_UNLOCK outportb W627DHG_INDEX_PORT W627DHG_UNLOCK void ...

Page 66: ...D INFORMATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE ifndef __W627DHG_H define __W627DHG_H 1 define W627DHG_INDEX_PORT W627DHG_BASE define W627DHG_DATA_PORT W627DHG_BASE 1 define W627DHG_REG_LD 0x07 define W627DHG_UNLOCK 0x87 define W627DHG_LOCK 0xAA un...

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