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BIOS

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The AMI BIOS provides a setup utility program for specifying the system

configurations and settings. The BIOS ROM of the system stores the setup

utility.
When you turn on the computer, the AMI BIOS is immediately activated.

The Main displays system overview status. Use the left/right arrow keys to

highlight a particular configuration screen from the top menu bar or use the

down arrow key to access and configure the information below.

3.1 BIOS Main Setup

System Time

Set the system time.

The time format is:

Hour :

00 to 23

Minute :

00 to 59

Second :

00 to 59

Summary of Contents for EmETXe-i9652

Page 1: ...EmETXe i9652 COM Express CPU Module User s Manual Version 1 2 2011 06 ...

Page 2: ...This page is intentionally left blank ...

Page 3: ... 2 1 What is COM Express 10 2 2 Block Diagram 11 2 3 Jumpers and Connectors 12 2 4 COM Express AB Connector 13 2 5 COM Express CD Connector 15 2 6 The Installation Paths of CD Driver 17 Chapter 3 BIOS 19 3 1 BIOS Main Setup 20 3 2 Advanced Settings 21 3 2 1 CPU Configuration 22 3 2 2 IDE Configuration 24 3 2 3 Floppy Configuration 25 3 2 4 Super IO Configuration 26 3 2 5 Hardware Health Configurat...

Page 4: ...orth Bridge Chipset Configuration 43 3 6 2 South Bridge Chipset Configuration 46 3 7 Exit Options 48 3 8 Beep Sound codes list 53 3 8 1 Boot Block Beep Codes 53 3 8 2 POST BIOS Beep Codes 53 3 8 3 Troubleshooting POST BIOS Beep Codes 54 Appendix 67 Appendix A I O Port Address Map 68 Appendix B BIOS Memory Map 69 Appendix C Interrupt Request Lines IRQ 70 Appendix D Digital I O Setting 71 ii ...

Page 5: ...Introduction 1 1 Chapter 1 Introduction Chapter 1 Introduction ...

Page 6: ... Please contact your local supplier for ordering information Test conditions for passing included the equipment being operated within an industrial enclosure In order to protect the product from being damaged by ESD Electrostatic Discharge and EMI leakage we strongly recommend the use of CE compliant industrial enclosure products FCC Class A This device complies with Part 15 of the FCC Rules Opera...

Page 7: ...ore further handling 1 4 Warning Single Board Computers and their components contain very delicate Integrated Circuits IC To protect the Single Board Computer and its components against damage from static electricity you should always follow the following precautions when handling it 1 Disconnect your Single Board Computer from the power source when you want to work on the inside 2 Hold the board ...

Page 8: ...rofits lost savings or any other incidental or consequential damage resulting from the use misuse of or inability to use this product Vendor will not be liable for any claim made by any other related party Vendors disclaim all other warranties either expressed or implied including but not limited to implied warranties of merchantability and fitness for a particular purpose with respect to the hard...

Page 9: ...652 Socket P Intel Core 2 Duo Celeron M COM Express CPU Module HS 9455 C3 Heatsink w fan for socket type CPU module 125 x 96 x 39 mm PBE 1700 COM Express evaluation board in ATX form factor CBK 04 1700 00 Cable kit 1 x SATA cable 1 x COM cable 1 x FDD cable 1 x IDE cable If any of the above items is damaged or missing contact your vendor immediately ...

Page 10: ...er Integrated Intel Graphics Media Accelerator X3100 Ethernet 1 x RTL8111 PCIe Gigabit Ethernet Controller BIOS AMI PnP Flash BIOS Serial ATA 3 x Serial ATA with 300MB s HDD transfer rate IDE Interface 1 x Ultra ATA supports 2 IDE devices Universal Serial Bus 8 x USB 2 0 Digital Input Output 8 bit programmable Digital Input Output Expansion Interface 1 x PCI Express x16 5 x PCI Express x1 4 x PCI ...

Page 11: ...Introduction 7 1 11 Board Dimensions 43 28 DIMM2 DIMM1 CPU Socket 87 00 4 00 95 00 Ø 2 7 0 4 00 Unit mm 76 00 125 00 41 00 45 35 18 00 6 00 ...

Page 12: ...Introduction 8 This page is intentionally left blank ...

Page 13: ...Installation 9 2 Chapter 2 Installation Chapter 2 Installation ...

Page 14: ... Row AB which is required provides pins for PCI Express SATA LVDS LCD channel LPC bus system and power management VGA LAN and power and ground interfaces Row CD which is optional provides SDVO and legacy PCI and IDE signals next to additional PCI Express LAN and power and ground signals By the way the target markets of COM will be focused on Retail Advertising Medical Test Measurement Gaming Enter...

Page 15: ... P Intel Celeron M Core 2 Duo CPU FSB 533 667 800MHz 2 x 200 pins DDRII SO DIMM socket Intel ICH8 M AC 97 Link Dual Channel DDRII Analog R G B 18 24 bit LVDS TV Out LPC I F PCIe LAN controller Serial ATA I F IDE ATA I F USB I F DMI I F Connector AB PCIe 16 PCIe 1 Fintek F75111R DIO ...

Page 16: ...Installation 12 2 3 Jumpers and Connectors DIMM2 DIMM1 CPU Socket D1 C1 B1 A1 D110 C110 B110 A110 ...

Page 17: ...22 N C SATA2_TX A22 B23 N C SATA2_TX A23 B24 PWR_OK SUS_S5 A24 B25 N C SATA2_RX A25 B26 N C SATA2_RX A26 B27 WDT BATLOW A27 B28 AC_SDIN2 ATA_ACT A28 B29 AC_SDIN1 AC_SYNC A29 B30 AC_SDIN0 AC_RST A30 B31 GND GND A31 B32 SPKR AC_BITCLK A32 B33 I2C_CK AC_SDOUT A33 B34 I2C_DAT BIOS_DISABLE A34 B35 THRM THRMTRIP A35 B36 USB7 USB6 A36 B37 USB7 USB6 A37 B38 USB_4_5_OC USB_6_7_OC A38 B39 USB5 USB4 A39 B40 ...

Page 18: ...DS_B_CK LVDS_A_CK A81 B82 LVDS_B_CK LVDS_A_CK A82 B83 CKLVDS_BKLT_CTRL LVDS_I2C_CK A83 B84 VCC_5V_SBY LVDS_I2C_DAT A84 B85 VCC_5V_SBY GPI3 A85 B86 VCC_5V_SBY KBD_RST A86 B87 VCC_5V_SBY KBD_A20GATE A87 B88 RSVD PCIE0_CK_REF A88 B89 VGA_RED PCIE0_CK_REF A89 B90 GND GND A90 B91 VGA_GRN RSVD B91 A91 B92 VGA_BLU RSVD A92 B93 VGA_HSYNC GPO0 A93 B94 VGA_VSYNC RSVD A94 B95 VGA_I2C_CK RSVD A95 B96 VGA_I2C_...

Page 19: ...4 D25 PCI_AD7 PCI_AD2 C25 D26 PCI_C BE0 PCI_AD4 C26 D27 PCI_AD9 PCI_AD6 C27 D28 PCI_AD11 PCI_AD8 C28 D29 PCI_AD13 PCI_AD10 C29 D30 PCI_AD15 PCI_AD12 C30 D31 GND GND C31 D32 PCI_PAR PCI_AD14 C32 D33 PCI_SERR PCI_C BE1 C33 D34 PCI_STOP PCI_PERR C34 D35 PCI_TRDY PCI_LOCK C35 D36 PCI_FRAME PCI_DEVSEL C36 D37 PCI_AD16 PCI_IRDY C37 D38 PCI_AD18 PCI_C BE2 C38 D39 PCI_AD20 PCI_AD17 C39 D40 PCI_AD22 PCI_AD...

Page 20: ...EG_TX8 PEG_RX8 C79 D80 GND GND C80 D81 PEG_TX9 PEG_RX9 C81 D82 PEG_TX9 PEG_RX9 C82 D83 RSVD RSVD C83 D84 GND GND C84 D85 PEG_TX10 PEG_RX10 C85 D86 PEG_TX10 PEG_RX10 C86 D87 GND GND C87 D88 PEG_TX11 PEG_RX11 C88 D89 PEG_TX11 PEG_RX11 C89 D90 GND GND C90 D91 PEG_TX12 PEG_RX12 C91 D92 PEG_TX12 PEG_RX12 C92 D93 GND GND C93 D94 PEG_TX13 PEG_RX13 C94 D95 PEG_TX13 PEG_RX13 C95 D96 GND GND C96 D97 PEG_ENA...

Page 21: ...dows 2000 XP Driver Path CHIPSET CHIPSET INF 9 11 LAN ETHERNET REALTEK 8111_WINXP_5764 VGA GRAPHICS INTEL_2K_XP_32 1432 Windows 7 Driver Path CHIPSET CHIPSET INF 9 11 LAN Windows 7 built in LAN driver VGA GRAPHICS INTEL_WIN7_32 1930 GRAPHICS INTEL_WIN7_64 1930 ...

Page 22: ...Installation 18 This page is intentionally left blank ...

Page 23: ...BIOS 19 3 Chapter 3 BIOS Chapter 3 BIOS ...

Page 24: ...the computer the AMI BIOS is immediately activated The Main displays system overview status Use the left right arrow keys to highlight a particular configuration screen from the top menu bar or use the down arrow key to access and configure the information below 3 1 BIOS Main Setup System Time Set the system time The time format is Hour 00 to 23 Minute 00 to 59 Second 00 to 59 ...

Page 25: ...BIOS 21 System Date Set the system date Note that the Day automatically changes when you set the date The date format is Day Sun to Sat Month 1 to 12 Date 1 to 31 Year 1999 to 2099 3 2 Advanced Settings ...

Page 26: ... should be enabled in order to enable or disable the cache Prefetcher Disable Feature The choice Enabled Disabled Hardware Prefetcher This should be enabled in order to enable or disable the Hardware Prefetcher Disable Feature Enable Enable Hardware Prefetcher Disabled Disable Hardware Prefetcher 3 2 1 CPU Configuration ...

Page 27: ... speed is set to minimum Automatic CPU speed controlled by Operating system Disabled Default CPU speed Cache L1 L2 CPU Internal Cache External Cache These two categories speed up memory access However it depends on CPU chipset design Enable Enable cache Disabled Disable cache Vanderpool Technology Enable this item will allow a platform to run multiple virtual operating systems and applications in ...

Page 28: ...BIOS 24 Primary Secondary Third IDE Master Slave Select one of the hard disk drives to configure Press Enter to access its sub menu 3 2 2 IDE Configuration ...

Page 29: ...BIOS 25 Select the type of floppy disk drive installed in your system The choice None 360K 5 25 1 2M 5 25 720K 3 5 1 44M 3 5 2 88M 3 5 3 2 3 Floppy Configuration ...

Page 30: ...wish to use it If you didn t install an FDC or the system has no floppy drive select Disabled in this field The Choice Enabled Disabled Serial Port1 Port2 Address Select an address and corresponding interrupt for the first and second serial ports The choice 3F8 IRQ4 2E8 IRQ3 3E8 IRQ4 2F8 IRQ3 Disabled Auto 3 2 4 Super IO Configuration ...

Page 31: ...g mode for the onboard parallel port Select Normal Compatible or SPP unless you are certain both of your hardware and software support one of the other available modes The choice SPP EPP ECP ECP EPP Normal Parallel Port IRQ Select an interrupt for the parallel port The choice IRQ5 IRQ7 Restore on AC Power Loss by IO This item allows you to select if you want to power on the system after power fail...

Page 32: ...perating speed System CPU Temperature 1 Displays the current System CPU fan temperature Vcore Displays the voltage level of CPU Vcore 5 0V 3 3V 12 0V 5Vsb VBAT Shows the voltage level of the 3 3V 5 0V 12 0V 5V standby and battery 3 2 5 Hardware Health Configuration ...

Page 33: ...BIOS 29 Suspend mode Select the ACPI state used for System Suspend The Choice S1 POS 3 2 6 ACPI Configuration ...

Page 34: ...BIOS 30 AHCI Port 0 Port 1 Port 2 While entering setup BIOS auto detects the presence of IDE devices This displays the status of auto detection of IDE devices 3 2 7 AHCI Configuration ...

Page 35: ...oze Mode 3 Suspend Mode Video Power Down Mode This option defines the level of power saving mode requires in to power down the video display As a default the video powers down both in suspend mode and standby mode The Choice Enabled Disabled Hard Disk Power Down Mode Power Down Hard Disk in Suspend or Standby Mode The Choice Enabled Disabled 3 2 8 APM Configuration ...

Page 36: ... The Choice Delay 4 Sec On Off An input signal on the serial Ring Indicator RI line in other words an incoming call on the modem awakens the system from a soft off state The Choice Enabled Disabled Resume On Ring An input signal from a PME on the PCI card awakens the system from a soft off state The Choice Enabled Disabled Resume On PME When Enabled you can set the date and time at which the RTC r...

Page 37: ...BIOS 33 MPS Revision Select the operating system that is Multi Processors Version Control for OS The Choice 1 4 1 1 3 2 9 MPS Configuration ...

Page 38: ... disables legacy support if no USB devices are connected USB 2 0 Controller Mode Configures the USB 2 0 controller in High Speed 480Mbps or Full Speed 12MBPS BIOS EHCI Hand Off This is a work around for OSs without EHCI hand Off support The EHCI ownership change should be claimed by EHCI driver ...

Page 39: ...T waits for the USB mass storage device after start unit command Emulation Type If Auto USB devices less than 530MB will be emulated as Floppy and remaining as hard drive Forced FDD option can be used to force a HDD formatted drive to BOOT as FDD Ex ZIP drive ...

Page 40: ...ial port number Select Serial Port for console redirection Make sure the selected port is enabled The Choice COM1 COM2 Base Address IRQ Select Serial Port for console redirection Make sure the selected port is enabled The Choice 3F8 IRQ4 2E8 IRQ3 3E8 IRQ4 2F8 IRQ3 3 2 11 Remote Access Configuration ...

Page 41: ...BIOS 37 Clear NVRAM Clear NVRAM during System BOOT The Choice Yes No 3 3 Advanced PCI PnP Settings ...

Page 42: ...ot assign IRQ to PCI VGA card even if card requests an IRQ Plug Play O S No Lets the BIOS configure all the devices in the system Yes lets the operating system configure Plug and Play PnP devices not required for BOOT if your system has a Plug and Play operating system PCI Latency Timer Value in units of PCI clocks for PCI device latency timer register DMA Channel 0 DMA Channel 7 Available Specifi...

Page 43: ...ttings Boot Device Priority Press Enter and it shows Bootable add in devices Removable Drives Press Enter and it shows Bootable and Removable drives Hard Disk Drives Press Enter and it shows Bootable and Hard Disk drives ...

Page 44: ...le booting This will decrease the time needed to boot the system Bootup Num Lock Set this value to allow the Number Lock setting to be modified during boot up LAN Boot Function Set this option to LAN add on Boot ROM function 3 4 1 Boot Settings Configuration ...

Page 45: ...rvisor or user password or both of then The differences between are Set Supervisor Password Can enter and change the options of the setup menus Set User Password Just can only enter but do not have the right to change the options of the setup menus When you select this function the following message will appear at the center of the screen to assist you in creating a password ENTER PASSWORD ...

Page 46: ...m will boot and you can enter Setup freely PASSWORD DISABLED When a password has been enabled you will be prompted to enter it every time you try to enter Setup This prevents an unauthorized person from changing any part of your system configuration Additionally when a password is enabled you can also require the BIOS to request a password every time your system is rebooted This would prevent unau...

Page 47: ...3 6 1 North Bridge Chipset Configuration Boots Graphic Adapter Priority Select which graphics controller to use as the primary boot device Internal Graphic Mode Select Select the amount of system memory used by the Internal graphics device ...

Page 48: ...BIOS 44 Video Function Configuration Boot Display The Choice CRT LVDS Default DVMT FIXED Memory The Choice 64MB 128MB Default 224MB DVMT Mode Select The Choice FIXED DVMT Default Both ...

Page 49: ...hoice 640x480 800x600 1024x768 18bits 1 Default 1280x1024 1400x1050 1400x1050 1600x1200 1280x768 1680x1050 1920x1200 TV Standard The Choice VBIOS Default Spread Spectrum Clock It sets the value of the spread spectrum It is for CE testing use only The Choice Disabled Default Enabled ...

Page 50: ...BIOS 46 3 6 2 South Bridge Chipset Configuration USB Funtion This item allows you to active USB ports The Choice Disabled 2 USB Ports 4 USB Ports 6 USB Ports 8 USB Ports 10 USB Ports ...

Page 51: ...you to select the chipset family to support High Definition Audio Controller The Choice Enabled Disabled Onboard LAN1 Select Enabled if your system has a LAN device installed on the system board and you wish to use it The Choice Enabled Disabled SLP_S4 Min Assertion Width The item allows you to select the assertion width of SLP_S4 The Choice 4 to 5 Seconds 3 to 4 Seconds 2 to 3 Seconds 1 to 2 Seco...

Page 52: ...he selection made in the menus in CMOS a special section of memory that stays on after you turn your system off The next time you boot your computer the BIOS configures your system according to the Setup selections stored in CMOS After saving the values the system is restarted again 3 7 Exit Options Save Changes and Exit ...

Page 53: ...BIOS 49 Discard Changes and Exit Exit system setup without saving any changes ESC key can be used for this operation ...

Page 54: ...BIOS 50 Discard Changes Discards changes done so far to any of the setup questions F7 can be used for this operation ...

Page 55: ... When you press Enter on this item you get a confirmation dialog box with a message Load Optimal Defaults OK Cancel Pressing OK loads the BIOS Optimal Default values for all the setup questions F9 key can be used for this operation ...

Page 56: ...When you press Enter on this item you get a confirmation dialog box with a message Load Failsafe Defaults OK Cancel Pressing OK loads the BIOS Failsafe Default values for all the setup questions F8 key can be used for this operation ...

Page 57: ...AMIBOOT ROM file size error 13 BIOS ROM image mismatch file layout does not match image present in flash device Number of Beeps Description 1 Memory refresh timer error 2 Parity error in base memory first 64KB block 4 Motherboard timer not operational 5 Processor error 6 8042 Gate A20 test error cannot switch to protected mode 7 General exception error processor exception interrupt error 8 Display...

Page 58: ...ept the video adapter If beep codes are generated when all other expansion cards are absent consult your system manufacturer s technical support If beep codes are not generated when all other expansion cards are absent one of the add in cards is causing the malfunction Insert the cards back into the system one at a time until the problem 8 If the system video adapter is an add in card replace or r...

Page 59: ...t if needed for debugging NMI is disabled Perform keyboard controller BAT test Save power on CPUID value in scratch CMOS Go to flat mode with 4GB limit and GA20 enabled D2 Verify the boot block checksum System will hang here if checksum is bad D3 Disable CACHE before memory detection Execute full memory sizing module If memory sizing module is not executed start memory refresh and do memory sizing...

Page 60: ...dule is uncompressed into memory CPUID information is stored in memory D9 Store the Uncompressed pointer for future use in PMM Copying Main BIOS into memory Leaves all RAM below 1MB Read Write including E000 and F000 shadow areas but closing SMRAM DA Restore CPUID value back into register Give control to BIOS POST ExecutePOSTKernel See POST Code Checkpoints section of document for more information...

Page 61: ...hardware Attempt to read from ARMD and ATAPI CDROM EB Disable ATAPI hardware Jump back to checkpoint E9 EF Read error occurred on media Jump back to checkpoint EB F0 Search for pre defined recovery file name in root directory F1 Recovery file not found F2 Start reading FAT table and analyze FAT to find the clusters occupied by the recovery file F3 Start reading the recovery file cluster by cluster...

Page 62: ...ase the flash part FD Program the flash part FF The flash has been updated successfully Make flash write disabled Disable ATAPI hardware Restore CPUID value back into register Give control to F000 ROM at F000 FFF0h ...

Page 63: ...lly PIC and interrupt vector table 06 Do R W test to CH 2 count reg Initialize CH 0 as system timer Install the POSTINT1Ch handler Enable IRQ 0 in PIC for system timer interrupt Traps INT1Ch vector to POSTINT1ChHandlerBlock 07 Fixes CPU POST interface calling pointer 08 Initializes the CPU The BAT test is being done on KBC Program the keyboard controller command byte is being done after Auto detec...

Page 64: ...system 24 Uncompress and initialize any platform specific BIOS modules GPNV is initialized at this checkpoint 2A Initializes different devices through DIM See DIM Code Checkpoints section of document for more information 2C Initializes different devices Detects and initializes the video adapter installed in the system that have optional ROMs 2E Initializes all the output devices 31 Allocate memory...

Page 65: ...se memory Programming the memory hole or any kind of implementation that needs an adjustment in system RAM size if needed 60 Initializes NUM LOCK status and programs the KBD typematic rate 75 Initialize Int 13 and prepare for IPL detection 78 Initializes IPL devices controlled by BIOS and option ROMs 7C Generate and write contents of ESCD in NVRam 84 Log errors encountered during POST 85 Display e...

Page 66: ...option popup menu A7 Displays the system configuration screen if enabled Initialize the CPU s before boot which includes the programming of the MTRR s A9 Wait for user input at config display if needed AA Uninstall POST INT1Ch vector and INT09h vector AB Prepare BBS for Int 19 boot Init MP tables AC End of POST initialization of chipset registers De initializes the ADM module B1 Save system contex...

Page 67: ...P PCI or AGP video devices 38 Initialize different buses and perform the following functions Boot Input Device Initialization function 3 IPL Device Initialization function 4 General Device Initialization function 5 Function 3 searches for and configures PCI input devices and detects if system has standard keyboard controller Function 4 searches for and configures all PnP and PCI boot devices Funct...

Page 68: ... 0 disable all devices on the BUS concerned 2 func 2 output device initialization on the BUS concerned 3 func 3 input device initialization on the BUS concerned 4 func 4 IPL device initialization on the BUS concerned 5 func 5 general device initialization on the BUS concerned 6 func 6 error reporting for the BUS concerned 7 func 7 add on ROM initialization for all BUSes 8 func 8 BBS ROM initializa...

Page 69: ...PI checkpoints are displayed when an ACPI capable operating system either enters or leaves a sleep state The following table describes the type of checkpoints that may occur during ACPI sleep or wake events Note Note Please note that checkpoints may differ between different platforms based on system configuration Checkpoints may change due to vendor requirements system chipset or option ROMs from ...

Page 70: ...BIOS 66 This page is intentionally left blank ...

Page 71: ...Appendix 67 Appendix Appendix ...

Page 72: ...ntroller 0040h 0043h System Timer 0044h 0047h System Timer 0060h 0064h Keyboard Controller 0070h 0073h System CMOS Real Time Clock 00F0h 00FFh Math Co Processor 01F0h 01F7h Primary IDE 0274h 0277h ISAPNP Read Data Port 0279h 0A79h ISAPnP Configuration 02F8h 02FFh COM_2 If use 0378h 037Ah Parallel Port If use 03B0h 03BFh MDA MGA 03C0h 03CFh EGA VGA 03D4h 03D9h CGA CRT register 03F0h 03F7h Floppy Di...

Page 73: ...uration address 0CFCh PCI Configuration Data Appendix B BIOS Memory Map Item Address Description 1 00000h 9FFFFh DOS Kernel Area 2 A0000h BFFFFh EGA and VGA Video Buffer 128KB 3 C0000h CFFFFh EGA VGA ROM 4 D0000h DFFFFh Adaptor ROM 5 E0000h FFFFFh System BIOS ...

Page 74: ...1 Standard 101 102 Key or Microsoft Natural PS 2 Keyboard IRQ 02 VGA and Link to Secondary PIC IRQ 03 Communications Port COM2 IRQ 04 Communications Port COM1 IRQ 05 PCI Device IRQ 06 Standard floppy disk controller IRQ 07 Parallel Port IRQ 08 System CMOS real time clock IRQ 09 Microsoft ACPI Compliant System IRQ 10 PCI Device IRQ 11 PCI Device IRQ 12 PS 2 Compatible Mouse IRQ 13 PFY exception IRQ...

Page 75: ...ax 400h mov dx ax mov al 0ffh out dx ax clear i2c bus status mov ax 404h mov dx ax mov al 06eh out dx ax Set I2C Device Address 6eh mov ax 403h mov dx ax mov al 010h out dx ax select GPIO 1 index 10h mov ax 405h mov dx ax mov al 0ffh out dx ax Set all GPIO 1 pin as output mov ax 402h mov dx ax mov al 048h out dx ax start write active mov ax 402h mov dx ax mov al 00h out dx al clear i2c bus Appendi...

Page 76: ...20h mov ax 405h mov dx ax mov al 0ffh out dx ax Set all GPIO 2 pin as output mov ax 402h mov dx ax mov al 048h out dx ax start write active mov ax 402h mov dx ax mov al 00h out dx al clear i2c bus mov ax 400h mov dx ax mov al 0ffh out dx ax clear i2c bus status mov ax 404h mov dx ax mov al 06eh out dx ax Set I2C Device Address 6eh mov ax 403h mov dx ax mov al 011h out dx ax select GPIO 1 data regi...

Page 77: ...0h out dx al clear i2c bus mov ax 400h mov dx ax mov al 0ffh out dx ax clear i2c bus status mov ax 404h mov dx ax mov al 06eh out dx ax Set I2C Device Address 6eh mov ax 403h mov dx ax mov al 021h out dx ax select GPIO 2 Data register index 21h mov ax 405h mov dx ax mov al 0ffh out dx ax Set all GPIO 2 data High mov ax 402h mov dx ax mov al 048h out dx ax start write active ...

Page 78: ...MB_PORT_AD SMB_DEVICE_ADD 0x11 0x00 SMB_Byte_WRITE SMB_PORT_AD SMB_DEVICE_ADD 0x21 0x00 delay 3000 Index x1 GPIO1x Output Data value all high SMB_Byte_WRITE SMB_PORT_AD SMB_DEVICE_ADD 0x11 0xff SMB_Byte_WRITE SMB_PORT_AD SMB_DEVICE_ADD 0x21 0xff delay 3000 printf Digital I O pin 7 5 3 1 ouput high n Index x1 GPIO1x Output Data value SMB_Byte_WRITE SMB_PORT_AD SMB_DEVICE_ADD 0x11 0xAA SMB_Byte_WRIT...

Page 79: ...EX int REG_DATA outportb SMPORT 02 0x00 clear outportb SMPORT 00 0xff clear delay 10 outportb SMPORT 04 DeviceID I2C Device Address outportb SMPORT 03 REG_INDEX Register Address in device outportb SMPORT 05 REG_DATA Data Value outportb SMPORT 02 0x48 write active ...

Page 80: ...Appendix 76 This page is intentionally left blank ...

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