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BIOS SETUP

MI930 User’s Manual

Integrated Peripherals

This section sets configurations for your hard disk and other integrated
peripherals. The first screen shows three main items for user to select.
Once an item selected, a submenu appears. Details follow.

Phoenix - AwardBIOS CMOS Setup Utility

Integrated Peripherals

Onboard Device

Press Enter

ITEM HELP

South OnChip IDE Device

Press Enter

Menu Level >

South OnChip PCI Device

Press Enter

SuperIO Device

Press Enter

Init Display First

Onboard

Surroundview

Disabled

OnChip USB Controller

Enabled

USB EHCI Controller

Enabled

OnChip USB KBC Controller

Enabled

USB Mouse Support

Enabled

IDE HDD Block Mode

Enabled

Phoenix - AwardBIOS CMOS Setup Utility

Onboard Device

Onboard Marvell PCIE NIC 1

Enabled

ITEM HELP

Onboard Marvell PCIE NIC 2

Enabled

Onboard LAN Boot ROM

Disabled

Menu Level >

Phoenix - AwardBIOS CMOS Setup Utility

South OnChip IDE Device

IDE DMA transfer access

Enabled

ITEM HELP

On-Chip IDE Channel0

Enabled

Primary Master PIO

Auto

Menu Level >

Primary Slave PIO

Auto

Primary Master UDMA

Auto

Primary Slave UDMA

Auto

Phoenix - AwardBIOS CMOS Setup Utility

South OnChip PCI Device

HD Azalia Audio

Auto

ITEM HELP

OnChip SATA Controller

Enabled

OnChip SATA Type

Native IDE

Menu Level >

SB600 Spread Spectrum

Enabled

Summary of Contents for MI930

Page 1: ...MI930 MI930F AMD Athlon 64 Athlon 64 x2 Dual Core Sempron Mini ITX Motherboard USER S MANUAL Version 1 0 ...

Page 2: ...ation AMD Athlon 64 Athlon 64 x2 dual core Sempron processors are registered trademarks of AMD 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 ii MI930 User s Manual ...

Page 3: ... Memory 7 Setting the Jumpers 8 Connectors on MI930 12 BIOS Setup 23 Drivers Installation 41 SM Bus Controller Driver Installation 42 VGA Drivers Installation 45 Realtek Codec Audio Driver Installation 47 LAN Drivers Installation 50 Appendix 51 A I O Port Address Map 51 B Interrupt Request Lines IRQ 52 C Watchdog Timer Configuration 53 MI930 User s Manual iii ...

Page 4: ...iv MI930 User s Manual This page is intentionally left blank ...

Page 5: ...y an LVDS interface an integrated TMDS controller and operates at core speeds of up to 400 MHz MI930 features a low power design is validated with the AMD Athlon 64 Athlon 64 x2 dual core Sempron on 65nm process With two dual channel DDR2 800MHz DIMM sockets on board the board supports up to 4GB of DDR2 system memory The main features of the board are Supports AMD Athlon 64 Athlon 64 x2 dual core ...

Page 6: ...ser s Manual Checklist Your MI930 package should include the items listed below The MI930 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: ...2 ports and RAID 0 1 function Parallel IDE ATi SB600 built in one channel Ultra DMA 33 66 100 133 Audio ATi SB600 built in audio controller AC97 Codec ALC888 w 7 1 channels LPC I O W83627EHG COM1 RS232 COM2 RS232 422 485 hardware monitor 3 thermal inputs 4 voltage monitor inputs 2 fan headers Parallel IrDA Floppy not used Digital IO 4 in 4 out Keyboard Mouse Supports PS 2 keyboard mouse connector ...

Page 8: ...INTRODUCTION Board Dimensions 4 MI930 User s Manual ...

Page 9: ...ations This section provides information on how to use the jumpers and connectors on the MI930 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 MI930 12 ...

Page 10: ...gle as shown below Then position the CPU above the socket such that the CPU corner aligns with the gold triangle matching the socket corner with a small triangle Carefully insert the CPU into the socket and push down the lever to secure the CPU Then install the heatsink and fan NOTE Ensure that the CPU heat sink and the CPU top surface are in total contact to avoid CPU overheating problem that wou...

Page 11: ...t 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 DDR2 Module Lock Lock Lock...

Page 12: ...ds and applications Contact your supplier if you have doubts about the best configuration for your needs The following lists the connectors on MI930 and their respective functions Jumper Locations on MI930 9 JBAT1 Clear CMOS Setting 10 JP1 LCD Panel Power Selection 10 JP2 PCI Riser Card Selection 10 JP3 JP4 JP5 RS232 422 485 COM2 Selection 11 ...

Page 13: ...INSTALLATIONS Jumper Locations on MI930 Jumpers on MI930 Page JP1 LCD Panel Power Selection 10 JP2 PCI Riser Card Selection 10 JBAT1 Clear CMOS Setting 11 MI930 User s Manual 9 ...

Page 14: ... CMOS Setting JBAT1 Setting Normal Clear CMOS JP1 LCD Panel Power Selection JP1 LCD Panel Power 3 3V 5V JP2 PCI Riser Card Selection JP2 Riser Card IP390 Riser Card Install IP151 IP240 Riser Card Install 10 MI930 User s Manual ...

Page 15: ...COM2 Function RS 232 RS 422 RS 485 Jumper Setting pin closed JP5 1 2 JP4 3 5 4 6 JP3 3 5 4 6 JP5 3 4 JP4 1 3 2 4 JP3 1 3 2 4 JP5 5 6 JP4 1 3 2 4 JP3 1 3 2 4 COM2 is jumper selectable for RS 232 RS 422 and RS 485 Pin Signal Name RS 232 R2 422 RS 485 1 DCD TX DATA 2 RX 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 MI930 User s Ma...

Page 16: ...an Power Connector 16 F_USB1 USB0 USB1 Connector 16 IDE1 IDE Connector 17 SATA1 SATA2 SATA Connectors 17 COM2 COM2 Serial Port 17 LVDS1 LVDS2 LVDS Connectors 1st channel 2nd channel 18 J3 CD In Pin Header 18 J4 For LPC I F Adaptor Card 18 ID394 with Fintek F81216 2 or 4 Serial Ports 18 ID395 Winbond WPCT200 x1 for TPM1 2 18 J5 SPI Flash Connector factory use only 18 J6 Power LED Connector 18 J7 F_...

Page 17: ...m Fan Power Connector 16 FAN2 CPU Fan Power Connector 16 F_USB1 USB0 USB1 Connector 16 IDE1 IDE Connector 17 SATA1 SATA2 SATA Connectors 17 COM2 COM2 Serial Port 17 LVDS1 LVDS2 LVDS Connectors 1st channel 2nd channel 18 J3 CD In Pin Header 18 J4 For LPC I F Adaptor Card 18 ID394 with Fintek F81216 2 or 4 Serial Ports 18 ID395 Winbond WPCT200 x1 for TPM1 2 18 J5 SPI Flash Connector factory use only...

Page 18: ...board Signal Name Keyboard Mouse Signal Name Keyboard 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 CN3 COM1 and DVI I 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 14 MI930 User s Manual ...

Page 19: ... SHIELD CLK VSYNC 8 23 CLOCK DATA 1 9 24 CLOCK DATA 1 10 C1 N C SHIELD 1 3 11 C2 N C DATA 3 12 C3 N C DATA 3 13 C4 N C DDC POWER 14 C5 N C A GROUND 1 15 C6 N C CN4 CN5 GbE RJ45 MI930 and USB1 2 Ports CN6 CN7 GbE RJ 45 MI930F and USB3 4 Ports ATX1 ATX 12V Power Connector This connector supplies the CPU operation voltage Pin Signal Name 1 Ground 2 Ground 3 12V 4 12V MI930 User s Manual 15 ...

Page 20: ...ctor FAN1 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 FAN2 CPU Fan Power Connector FAN2 is a 4 pin header for the CPU fan The fan must be a 12V fan Pin Signal Name 4 Control 3 Sense 2 12V 1 Ground F_USB1 USB0 USB1 Connector Signal Name Pin Pin Signal Name Vcc 1 2 Vcc D0 3 4 D1 D0 5 6 D1 Ground 7 8 Ground NC 9 10 Ground Note This...

Page 21: ...t 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 SATA1 SATA2 SATA Connectors COM2 COM2 Serial Port Pin Signal Name RS 232 R2 422 RS 485 1 DCD TX DATA 2 RX TX DATA 3 TX RX NC 4 DT...

Page 22: ...TX1 6 5 TX1 5V 3 3V 8 7 Ground NA 10 9 NA TX2 12 11 TX2 Ground 14 13 Ground TXC 16 15 TXC 5V 3 3V 18 17 ENABKL 12V 20 19 12V J3 CD In Pin Header Pin Signal Name 1 CD Audio R 2 Ground 3 Ground 4 CD Audio L J4 For LPC I F Adaptor Card ID394 with Fintek F81216 2 or 4 Serial Ports ID395 Winbond WPCT200 x1 for TPM1 2 J5 SPI Flash Connector factory use only J6 Power LED Connector Pin Signal Name 1 LED 2...

Page 23: ...f Hard Disk Drive LED Connector Pins 3 and 4 This connector connects to the hard drive activity LED on control panel This LED will flash when the HDD is being accessed Pin Signal Name 4 HDD Active 3 5V Reset Switch Pins 5 and 6 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 thi...

Page 24: ...Pin Pin Signal Name GND 1 2 VCC OUT3 3 4 OUT1 OUT2 5 6 OUT0 IN3 7 8 IN1 IN2 9 10 IN0 PCI1 PCI Slot supports 2 Master ID395 WINBOND WPCT200 for TPM1 2 CN1 LPC I F connectors Package list Nylon Nut x 1 Screw x 2 Washer x2 20 MI930 User s Manual ...

Page 25: ...eady RXD Receive data 3 4 RTS Request to send TXD Transmit data 5 6 CTS Clear to send DTR Data terminal ready 7 8 RI Ring indicator GND ground 9 10 Not Used DCD Data carrier detect 11 12 DSR Data set ready RXD Receive data 13 14 RTS Request to send TXD Transmit data 15 16 CTS Clear to send DTR Data terminal ready 17 18 RI Ring indicator GND ground 19 20 Not Used CN1 LPC I F connectors Package list...

Page 26: ...INSTALLATIONS 22 MI930 User s Manual This page is intentionally left blank ...

Page 27: ...are as follows BIOS Introduction 24 BIOS Setup 24 Standard CMOS Setup 26 Advanced BIOS Features 28 Advanced Chipset Features 31 Integrated Peripherals 33 Power Management Setup 35 PNP PCI Configurations 37 PC Health Status 38 Frequency Voltage Control 39 Load Fail Safe Defaults 40 Load Optimized Defaults 40 Set Supervisor User Password 40 Save Exit Setup 40 Exit Without Saving 40 ...

Page 28: ...OS is immediately 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 a...

Page 29: ...displays the control keys for this menu At the bottom of the Main Menu just below the control keys section there is another section which displays information on the currently highlighted item in the list 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 stro...

Page 30: ...ed Apr 28 2007 Item Help Time hh mm ss 00 00 00 Menu Level IDE Channel 0 Master None Change the day month Year and century IDE Channel 0 Slave None IDE Channel 2Master None IDE Channel 2 Slave None IDE Channel 3 Master None IDE Channel 3 Slave None Halt On No Errors Base Memory 640K Extended Memory 129024K Total Memory 130048K At the bottom of the menu are the control keys for use on this menu If ...

Page 31: ... Number of cylinders HEAD Number of read write heads PRECOMP Write precompensation LANDING ZONE Landing zone SECTOR Number of sectors Remarks The main board supports two serial ATA ports and are represented in this setting as IDE Channel 0 Halt On This field determines whether or not the system will halt if an error is detected during power up No errors The system boot will not be halted for any e...

Page 32: ...MPS Version Control for OS 1 4 OS Select For DRAM 64MB Non OS2 HDD S M A R T Capability Disabled CPU Feature Press Enter to configure the settings relevant to CPU Feature Hard Disk Boot Priority With the field there is the option to choose aside from the hard disks connected Bootable add in Cards which refers to other external devices Virus Warning If this option is enabled an alarm message will b...

Page 33: ...cannot detect one either due to improper configuration or its absence it will flash an error message Boot Up NumLock Status This allows you to activate the NumLock function after you power up the system Gate A20 Option This field allows you to select how Gate A20 is worked Gate A20 is a device used to address memory above 1 MB Typematic Rate Setting When disabled continually holding down a key on ...

Page 34: ...e Interrupt Controller The default setting is Enabled MPS Version Control for OS This option is specifies the MPS Multiprocessor Specification version for your operating system MPS version 1 4 added extended configuration tables to improve support for multiple PCI bus configurations and improve future expandability The default setting is 1 4 OS Select for DRAM 64MB This option allows the system to...

Page 35: ...aining Control Skip DOS CKE base power down mode Enabled CKE based power down Per Channel Memclock tri stating Disabled Memory Hole Remapping Enabled Auto Optimize Bottom IO Enabled Bottom of 31 24 IO space D8 Bottom of UMA DRAM 31 24 FC Phoenix AwardBIOS CMOS Setup Utility HT Link Control HT Link Width Auto ITEM HELP HT Link Frequency Auto HT Driver Strength Auto HT Driver Strength P 5 HT Driver ...

Page 36: ... UMA ITEM HELP UMA Frame Buffer Size 128M Current UMA Size 128M IGX Engine Clock 400 IGX Multi Function Disabled Video Display Devices Auto LCD Panel Type Disabled Memory Hole At 15M 16M In order to improve performance certain space in memory can be reserved for ISA cards This memory must be mapped into the memory space below 16 MB The choices are Enabled and Disabled System BIOS Cacheable The set...

Page 37: ...ller Enabled USB EHCI Controller Enabled OnChip USB KBC Controller Enabled USB Mouse Support Enabled IDE HDD Block Mode Enabled Phoenix AwardBIOS CMOS Setup Utility Onboard Device Onboard Marvell PCIE NIC 1 Enabled ITEM HELP Onboard Marvell PCIE NIC 2 Enabled Onboard LAN Boot ROM Disabled Menu Level Phoenix AwardBIOS CMOS Setup Utility South OnChip IDE Device IDE DMA transfer access Enabled ITEM H...

Page 38: ...eys The default is BUTTON ONLY KB Power ON Password This field allows users to set the password when keyboard power on is the mode of the Power ON function Hot Key Power ON This field sets certain keys also known as hot keys on the keyboard that can be used as a switch to power on the system Onboard Serial Port These fields allow you to select the onboard serial ports and their addresses The defau...

Page 39: ...Option This field allows you to select the type of power saving management modes There are four selections for Power Management Min Power Saving Minimum power management Max Power Saving Maximum power management User Define Each of the ranges is from 1 min to 1hr Except for HDD Power Down which ranges from 1 min to 15 min HDD Power Down When enabled and after the set time of system inactivity the ...

Page 40: ...rOn by PCI Card By default this field is disabled Modem Ring Resume This field enables or disables the power on of the system through the modem connected to the serial port or LAN HPET Support HPET or High Precision Event Timer formerly known as Multimedia Timer is a hardware timer that is supported under Linux and Windows Vista It can produce periodic interrupts at a much higher resolution than t...

Page 41: ...s you to determine whether to reset the configuration data or not The default value is Disabled Resources Controlled by This PnP BIOS can configure all of the boot and compatible devices with the use of a PnP operating system such as Windows 95 PCI VGA Palette Snoop Some non standard VGA display cards may not show colors properly This field allows you to set whether or not MPEG ISA VESA VGA cards ...

Page 42: ...ure Disabled Fan1 Tolerance Value 5 2nd Smart Fan Temperature Disabled Fan2 Tolerance Value 5 CPU Warning Temperature This field allows the user to set the temperature so that when the temperature is reached the system sounds a warning This function can help prevent damage to the system that is caused by overheating Temperatures Voltages These fields are the parameters of the hardware monitoring f...

Page 43: ...figure the processor frequency Phoenix AwardBIOS CMOS Setup Utility Frequency Voltage Control Spread Spectrum Disabled ITEM HELP CPU Host SRTC ATIG Default Menu Level Auto Detect PCI Clk This field enables or disables the auto detection of the PCI clock CPU Host SRC ATIG This field is set to Default ...

Page 44: ...ssword message prompts on the screen Type the password up to eight characters in length and press Enter The system confirms your password by asking you 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 pas...

Page 45: ...ows 2000 and Windows XP The software and drivers are included with the motherboard If you find the items missing please contact the vendor where you made the purchase The contents of this section include the following SM Bus Controller Driver Installation 42 VGA Drivers Installation 45 Realtek Codec Audio Driver Installation 47 LAN Drivers Installation 50 ...

Page 46: ...iver Installation 1 In your Windows operating system go to the Device Manager 2 Double click SM Bus Controller which is under Other devices as shown in the picture below to go to the SM Bus Controller Properties window 42 MI930 User s Manual ...

Page 47: ...3 Under the SM Bus Controller Properties window click the Driver tab and click Update Driver 4 When the welcome screen of the Hardware Update Wizard appears click No not this time and Next to continue MI930 User s Manual 43 ...

Page 48: ...xt to continue 6 Select Search for the best driver in these locations and enter the path where the drivers are located If E is your CD ROM drive enter E Ali AMD690T SMBUS or click Browse to search for the path 7 When driver installation is complete click Finish for changes to take effect 44 MI930 User s Manual ...

Page 49: ... the installation 1 Insert the CD that comes with the motherboard Click AMD M690T Chipset Drivers 2 Click ATI Radeon X1200 Serial Graphics Drivers as shown below Remarks Before installing this driver you have to install Microsoft NET Framework 2 0 Please go the Microsoft website to do this MI930 User s Manual 45 ...

Page 50: ...Select Components screen appears click Express Recommended in selecting the component tha tyou want to install 5 When the message regarding Windows Logo testing appears click Continue Anyway to proceed with the driver installation 5 Setup is now complete Click Finish to restart the computer and for changes to take effect 46 MI930 User s Manual ...

Page 51: ...ation Follow the steps below to install the Audio Drivers 1 Insert the CD that comes with the motherboard Click AMD M690T Chipset Drivers Then select Realtek High Definition Codect Audio Driver 2 Click Realtek AC 97 Codec Audio Driver MI930 User s Manual 47 ...

Page 52: ...lick Finish on the next screen to restart the computer 4 In the Windows operating system go the the Device Manager window and click on PCI Device with the interjection mark as shown below 5 One in the PCI Device Properties window click on the Driver tab and click Update Driver 48 MI930 User s Manual ...

Page 53: ...tall from a list or specific location Advanced and and click Next to continue In the next screen below enter the location if D drive is the source drive for the driver CD as D Intel Q965 Audio Windrv WDM and click Next to start installing 8 The Hardware Update Wizard Update is now completed Click Finish to restart the computer and for changes to take effect MI930 User s Manual 49 ...

Page 54: ...er 2 When the Welcome screen of the Marvell Mini port Driver InstallShield Wizard appears click Next to continue Then in the next screen choose I accept the terms of the license agreement and click Next to continue Now click Install to start begin the installation 3 Installation is now complete click Finish to exit the InstallShield Wizard 50 MI930 User s Manual ...

Page 55: ...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 3B...

Page 56: ...ng 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 57: ...MPLE 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 W627EHF H int main int argc char argv void copyright void void EnableWDT int void DisableWDT void int main int argc char argv unsigned ch...

Page 58: ...igned char bBuf bBuf Get_W627EHF_Reg 0x2D bBuf 0x01 Set_W627EHF_Reg 0x2D bBuf Enable WDTO Set_W627EHF_LD 0x08 switch to logic device 8 Set_W627EHF_Reg 0x30 0x01 enable timer bBuf Get_W627EHF_Reg 0xF5 bBuf 0x08 Set_W627EHF_Reg 0xF5 bBuf count mode is second Set_W627EHF_Reg 0xF6 interval set timer void DisableWDT void Set_W627EHF_LD 0x08 switch to logic device 8 Set_W627EHF_Reg 0xF6 0x00 clear watch...

Page 59: ...result unsigned char ucDid W627EHF_BASE 0x2E result W627EHF_BASE ucDid Get_W627EHF_Reg 0x20 if ucDid 0x88 goto Init_Finish W627EHF_BASE 0x4E result W627EHF_BASE ucDid Get_W627EHF_Reg 0x20 if ucDid 0x88 goto Init_Finish W627EHF_BASE 0x00 result W627EHF_BASE Init_Finish return result void Unlock_W627EHF void outportb W627EHF_INDEX_PORT W627EHF_UNLOCK outportb W627EHF_INDEX_PORT W627EHF_UNLOCK void L...

Page 60: ... 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 __W627EHF_H define __W627EHF_H 1 define W627EHF_INDEX_PORT W627EHF_BASE define W627EHF_DATA_PORT W627EHF_BASE 1 define W627EHF_REG_LD 0x07 define W627EHF_UNLOCK 0x87 define W627EHF_LOCK 0xAA uns...

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