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INSTALLATIONS

 

10

 

ECX800 User’s Manual

 

 

 
 
 
 

Connectors on ECX800 

 
The connectors on ECX800 allows you to connect external devices such 
as keyboard, floppy disk drives, hard disk drives, printers, etc. The 
following table lists the connectors on ECX800 and their respective 
functions. 

 

Connector Locations on ECX800 ................................................. 11

 

CN1: PS/2 Keyboard and PS/2 Mouse Connectors ...................... 12

 

CN1: Serial ATA Connectors ....................................................... 12

 

CN2: TV-OUT (S-VIDEO) Connector ........................................ 12

 

CN5: 1394 Connector ................................................................... 12

 

J18, CN4: COM1 and VGA Connector ........................................ 12

 

FAN1: System Fan Power Connector........................................... 13

 

FDD1: Floppy Drive Connector ................................................... 13

 

J1: System Function Connector .................................................... 13

 

J2: IrDA Connector ...................................................................... 15

 

J3: Region C Type III Connector.................................................. 15

 

J4: LVDS Connectors (1st channel, 2nd channel) ........................ 16

 

J5: IDE Connector ........................................................................ 17

 

J6: LCD Backlight Connector ...................................................... 17

 

J8: Digital I/O ............................................................................... 17

 

J9: ATX Power Supply Connector ............................................... 18

 

J10: Front Audio Connector ......................................................... 18

 

J11: USB3/4 Port Pin Header ....................................................... 18

 

J12: COM2 Serial Port.................................................................. 19

 

J13: Gigabit LAN RJ-45............................................................... 19

 

J14, J15: USB1/2 Ports ................................................................. 19

 

J16: CD-In Pin Header ................................................................. 19

 

J17: SPDIF Out Connector (optional) .......................................... 19

 

J19: Compact Flash Connector ..................................................... 19

 

 

Содержание ECX800

Страница 1: ...ECX800 Intel CoreTM Duo LV 945GM ECX Motherboard USER S MANUAL Version 1 0 ...

Страница 2: ... Business Machines Corporation Intel and Intel Core Duo LV Low Voltage 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 ...

Страница 3: ...nstalling the Memory 6 Setting the Jumpers 7 Connectors on ECX800 10 BIOS Setup 21 Drivers Installation 45 Intel Chipset Software Installation Utility 46 VGA Drivers Installation 48 AC97 Codec Audio Driver Installation 50 LAN Drivers Installation 51 Appendix 53 A I O Port Address Map 53 B Interrupt Request Lines IRQ 54 C Watchdog Timer Configuration 55 ...

Страница 4: ...iv ECX800 User s Manual This page is intentionally left blank ...

Страница 5: ...n board the board supports up to 2GB of DDR2 system memory Intel Graphics supports a unique intelligent memory management scheme called Dynamic Video Memory Technology DVMT DVMT handles diverse applications by providing the maximum 224MB availability of system memory for general computer usage while supplying additional graphics memory when a 3D intensive application requests it The Intel GMA 950 ...

Страница 6: ...Your ECX800 package should include the items listed below The ECX800 ECX motherboard This User s Manual 1 CD containing chipset drivers and flash memory utility Cable kit IDE Serial port Serial ATA THE ECX800 ECX SINGLE BOARD COMPUTER ...

Страница 7: ...Codec ALC655 w 6 channels Line out Line in Mic SPDIF OUT LPC I O W83627EHF COM1 COM2 RS232 LPT1 Slim FDC 1 44MB IrDA x1 Hardware monitor 3 thermal inputs 4 voltage monitor inputs 1 fan Header Digital IO 4 in 4 out Keyboard Mouse Connector Supports PS 2 Keyboard Mouse Expansion Region Region C Type III also provides one x 1PCI Express LPC PCI SDVO Edge Connector PS 2 Connector x1 for keyboard mouse...

Страница 8: ...INSTALLATIONS 4 ECX800 User s Manual Board Dimensions ...

Страница 9: ... 5 Installations This section provides information on how to use the jumpers and connectors on the ECX800 in order to set up a workable system The topics covered are Installing the Memory 6 Setting the Jumpers 7 Connectors on ECX800 10 ...

Страница 10: ...DDR2 modules locate the memory socket on the board and perform the following steps 1 Hold the DDR2 module so that the key of the DDR2 module align with those on the memory slot 2 Gently push the DDR2 module in an angle as shown in the picture below until the clips of the sockets lock to hold the DDR2 module in place when the DDR2 module touches the bottom of the socket 3 To remove the DDR2 module ...

Страница 11: ... your needs The following lists the connectors on ECX800 and their respective functions Jumper Locations on ECX800 8 JP5 CPU FSB Selection reserved 9 JP8 LCD Panel Power Selection 9 JP4 Clear CMOS Setting 9 JP6 CompactFlash Slave Master Selection 9 IMPORTANT NOTE When the system boots without the CRT being connected there will be no image on screen when you insert the CRT VGA cable To show the ima...

Страница 12: ...ALLATIONS 8 ECX800 User s Manual Jumper Locations on ECX800 Jumpers on ECX800 Page JP5 CPU FSB Selection 9 JP8 LCD Panel Power Selection 9 JP4 Clear CMOS Setting 9 JP6 CompactFlash Slave Master Selection 9 ...

Страница 13: ...9 JP5 CPU FSB Selection reserved JP5 CPU FSB 533MHz 667MHz JP8 LCD Panel Power Selection JP8 LCD Panel Power 3 3V 5V JP4 Clear CMOS Setting JP4 Setting Normal Clear CMOS JP6 CompactFlash Slave Master Selection JP6 CF Setting Master Slave ...

Страница 14: ...IDEO Connector 12 CN5 1394 Connector 12 J18 CN4 COM1 and VGA Connector 12 FAN1 System Fan Power Connector 13 FDD1 Floppy Drive Connector 13 J1 System Function Connector 13 J2 IrDA Connector 15 J3 Region C Type III Connector 15 J4 LVDS Connectors 1st channel 2nd channel 16 J5 IDE Connector 17 J6 LCD Backlight Connector 17 J8 Digital I O 17 J9 ATX Power Supply Connector 18 J10 Front Audio Connector ...

Страница 15: ...INSTALLATIONS ECX800 User s Manual 11 Connector Locations on ECX800 ...

Страница 16: ...eyboard data 3 Ground 4 Vcc 5 Mouse Clock 6 Keyboard Clock CN1 Serial ATA Connectors CN2 TV Out S VIDEO Connector CN5 1394 Connector J18 CN4 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 ...

Страница 17: ...DEX VCC 3 4 DRV_SEL VCC 5 6 DSK_CH NC 7 8 NC NC 9 10 MOTOR DINST 11 12 DIR NC 13 14 STEP GND 15 16 WDATA GND 17 18 WGATE GND 19 20 TRACK NC 21 22 WPROT GND 23 24 RDATA GND 25 26 SIDE J1 System Function Connector J1 provides connectors for system indicators that provide light indication of the computer activities and switches to change the computer status J3 is a 20 pin header that provides interfa...

Страница 18: ...o connect 15 Ground ATX Power ON Switch Pins 7 and 17 This 2 pin connector is an ATX Power Supply On Off Switch on the system that connects to the power switch on the case When pressed the power 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 po...

Страница 19: ...being accessed Pin Signal Name 10 HDD Active 20 5V J2 IrDA Connector Pin Signal Name 1 5V 2 No connect 3 Ir RX 4 Ground 5 Ir TX J3 Region C Type III Connector While the baseboard meets the minimal embedded application needs the rich I O interconnects available through the Region C expansion area facilitate extending the SBC s functionality to meet the demands of a variety of market segments ...

Страница 20: ...or 36 bit Signal Name Pin Pin Signal Name 1TX0 2 1 1TX0 1TX1 4 3 1TX1 Ground 6 5 Ground 1TX2 8 7 1TX2 NA 10 9 NA Ground 12 11 Ground 1TXC 14 13 1TXC Ground 16 15 Ground 2TX0 18 17 2TX0 2TX1 20 19 2TX1 Ground 22 21 Ground 2TX2 24 23 2TX2 NA 26 25 NA Ground 28 27 Ground 2TXC 30 29 2TXC Ground 32 31 Ground V LCD 34 33 V LCD V LCD 36 35 V LCD Ground 38 37 ENABKL Ground 40 39 Ground ...

Страница 21: ...a 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 5V 41 42 5V Ground 43 44 NC J6 LCD Backlight Connector Pin Signal Name 1 12V 2 Backlight Enable 3 Groun...

Страница 22: ...ound 4 12V 5 3 3V 6 Ground 7 3 3V 8 5V 9 5V 10 5VSB J10 Front Audio Connector Signal Name Pin Pin Signal Name Rear Audio R 1 5 Rear Audio L Front Audio R 2 6 Front Audio L Mic In 3 7 VREF Out Ground 4 8 J11 USB3 4 Port Pin Header Signal Name Pin Pin Signal Name Vcc 1 5 Ground D 2 6 D D 3 7 D Ground 4 8 Vcc ...

Страница 23: ...ta 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 J13 Gigabit LAN RJ 45 J14 J15 USB1 2 Ports J16 CD In Pin Header Pin Signal Name 1 CD Audio R 2 Ground 3 Ground 4 CD Audio L J17 SPDIF Out Connector optional Pin Signal Name 1 out 2 5V 3 Ground J19 Compact Flash Connector ...

Страница 24: ...INSTALLATIONS 20 ECX800 User s Manual This page is intentionally left blank ...

Страница 25: ...are as follows BIOS Introduction 22 BIOS Setup 22 Standard CMOS Setup 24 Advanced BIOS Features 27 Advanced Chipset Features 30 Integrated Peripherals 33 Power Management Setup 37 PNP PCI Configurations 40 PC Health Status 41 Frequency Voltage Control 42 Load Fail Safe Defaults 43 Load Optimized Defaults 43 Set Supervisor User Password 43 Save Exit Setup 43 Exit Without Saving 43 ...

Страница 26: ...S 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 al...

Страница 27: ... 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 str...

Страница 28: ... Mon May 8 2006 Item Help Time hh mm ss 17 53 00 Menu Level IDE Channel 0 Master None IDE Channel 0 Slave None IDE Channel 1 Master None Change the day month Year and century IDE Channel 1 Slave None Drive A None Drive B None Video EGA VGA Halt On All But Keyboard Base Memory 640K Extended Memory 515072K Total Memory 516096K At the bottom of the menu are the control keys for use on this menu If yo...

Страница 29: ...isk The selections include Auto Manual and None Select Manual to define the drive information manually You will be asked to enter the following items Capacity Capacity size of the hard disk drive Cylinder Number of cylinders Head Number of read write heads Precomp Write precompensation Landing Zone Landing zone Sector Number of sectors The Access Mode selections are as follows CHS HD 528MB LBA HD ...

Страница 30: ...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 error that may be detected All errors Whenever the BIOS detects a non fatal error the system will stop and you will be prompted All But Keyboard The system boot will not be halted for a keyboard error it will stop for all other errors All But Diskette The system boot will not be...

Страница 31: ...OS Select For DRAM 64MB Non OS2 Report No FDD For WIN 95 Yes Small Logo EPA Show Disabled Menu Level 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 wi...

Страница 32: ...signments so that Drive A becomes Drive B and Drive B becomes Drive A By default this field is set to Disabled Boot Up Floppy Seek This feature controls whether the BIOS checks for a floppy drive while booting up If it 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 yo...

Страница 33: ...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 access greater than 64MB of DRAM memory when used with OS 2 that depends on certain BIOS calls to access memory The default setting is Non OS ...

Страница 34: ... 1CH SPWG 18bit SDVO Panel Number 1024x768 Boot Display CRT Panel Scaling Auto Panel Number TV Standard Video Connector TV Format 1024x768 18 bit SC Off Automatic Auto Onboard PCI E LAN Enabled LAN PXE Option ROM All Disable DRAM Timing Selectable This option refers to the method by which the DRAM timing is selected The default is By SPD CAS Latency Time You can configure CAS latency time in HCLKs...

Страница 35: ...esult Video BIOS Cacheable The Setting Enabled allows caching of the video BIOS ROM at C0000h F7FFFh resulting in better video performance However if any program writes to this memory area a system error may result 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...

Страница 36: ...CD Panel type The default values for these ports are 640x480 18bit SC 800x480 18bit SC 800x600 18bit SC 1024x768 18bit SC 1280x1024 18bit DC 1280x768 18bit SC 1400x1050 18bit DC 1600x1200 18bit DC Onboard PCI E LAN By default this setting is enabled LAN PXE Option ROM By default this setting is disabled Other selections include ICH6 Integrated LAN and Marvell PCI E LAN ...

Страница 37: ...Device IDE HDD Block Mode Enabled ITEM HELP On chip Primary PCI IDE Enabled IDE Primary Master PIO Auto IDE Primary Slave PIO Auto IDE Primary Master UDMA Auto IDE Primary Slave UDMA Auto On Chip Secondary PCI IDE Enabled IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto IDE Secondary Master UDMA Auto IDE Secondary Slave UDMA Auto On Chip Serial ATA Setting On Chip Serial ATA SATA PORT Sp...

Страница 38: ... Primary PCI IDE Enabled This field by default is enabled OnChip Primary Secondary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels Select Enabled to activate each channel separately IDE Primary Secondary Master Slave PIO These fields allow your system hard disk controller to work faster Rather than have the BIOS issue a series of commands th...

Страница 39: ...fault this field is set to Disabled Azalia AC97 Audio Select This field by default is set to Auto Power ON Function This field is related to how the system is powered on such as with the use of conventional power button keyboard or hot keys 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...

Страница 40: ...d determines the UART 2 mode in your computer The default value is Normal Other options include IrDA and ASKIR Parallel Port Mode This field allows you to determine parallel port mode function SPP Standard Printer Port EPP Enhanced Parallel Port ECP Extended Capabilities Port ECP EPP Combination of ECP and EPP capabilities Normal Normal function PWRON After PWR Fail This field sets the system powe...

Страница 41: ...rm 0 0 0 Reload Global Timer Events Primary IDE 0 Enabled Primary IDE 1 Enabled Secondary IDE 0 Enabled Secondary IDE 1 Enabled FDD COM LPT Port Enabled PCI PIRQ A D Enabled ACPI Function Enable this function to support ACPI Advance Configuration and Power Interface ACPI Suspend The default setting of the ACPI Suspend mode is S1 POS RUN VGABIOS if S3 Resume The default setting of this field is Aut...

Страница 42: ... and after the set time of system inactivity all devices except the CPU will be shut off HDD Power Down When enabled and after the set time of system inactivity the hard disk drive will be powered down while all other devices remain active Soft Off by PWRBTN This field defines the power off mode when using an ATX power supply The Instant Off mode allows powering off immediately upon pressing the p...

Страница 43: ...l Timer Events The HDD FDD COM LPT Ports and PCI PIRQ are I O events that can prevent the system from entering a power saving mode or can awaken the system from such a mode When an I O device wants to gain the attention of the operating system it signals this by causing an IRQ to occur When the operating system is ready to respond to the request it interrupts itself and performs the service ...

Страница 44: ...vel Select Yes if you are using a Plug and Play capable operating system Select No if you need the BIOS to configure non boot devices Init Display First The default setting is PCI Card Reset Configuration Data This field allows 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 compat...

Страница 45: ...e system automatically shuts down once the threshold temperature is reached This function can help prevent damage to the system that is caused by overheating 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 Volta...

Страница 46: ...etup Utility Frequency Voltage Control Auto Detect PCI Clk Disabled ITEM HELP Spread Spectrum Modulated Disabled Menu Level Auto Detect PCI Clk This field enables or disables the auto detection of the PCI clock Spread Spectrum Modulated This field sets the value of the spread spectrum The default setting is Disabled This field is for CE testing use only ...

Страница 47: ...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...

Страница 48: ...BIOS SETUP 44 ECX800 User s Manual This page is intentionally left blank ...

Страница 49: ...items missing please contact the vendor where you made the purchase The contents of this section include the following Intel Chipset Software Intallation Utility 46 VGA Drivers Installation 48 AC97 Codec Audio Driver Installation 50 LAN Drivers Installation 51 IMPORTANT NOTE After installing your Windows operating system Windows 2000 XP you must install first the Intel Chipset Software Installatio...

Страница 50: ...drivers to enable Plug Play INF support for Intel chipset components Follow the instructions below to complete the installation under Windows 2000 XP 1 Insert the CD that comes with the board Click Intel Chipsets and then Intel R I945GMChipset Drivers 2 Click Intel R Chipset Software Installation Utility 3 When the Welcome screen appears click Next to continue ...

Страница 51: ...h the installation process 5 On Readme 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 When the computer has restarted the system will be able to find some devices Restart your computer when prompted ...

Страница 52: ...VGA drivers follow the steps below to proceed with the installation 1 Insert the CD that comes with the motherboard Click Intel Chipsets and then Intel R I945GMChipset Drivers 2 Click Intel R I945GMChipset Family Graphics Driver 3 When the Welcome screen appears click Next to continue ...

Страница 53: ...n 5 Restart the computer as promted and for changes to take effect IMPORTANT NOTE When you have restarted the computer your computer screen will be blank At this point press CTRL ALT F1 simultaneously if you are using CRT monitor If you are using LVDS LCD panel press CTRL ALT F3 If you are using DVI monitor press CTRL ALT F4 ...

Страница 54: ...low the steps below to install the Realtek AC97 Codec Audio Drivers 1 Insert the CD that comes with the motherboard Click Intel Chipsets and then Intel R I945GMChipset Drivers 2 Click Realtek AC 97 Codec Audio Driver 3 Click Finish to restart the computer and for changes to take effect ...

Страница 55: ...th the motherboard Click LAN Card and then Marvell LAN Controller Driver 2 Click Next when the InstallShield Wizard welcome screen appears 3 Click Next to agree with the license agreement Click Next when the Readme Information screen appears to proceed with the drives installation process When the Installation is complete click Finish for the changes to take effect ...

Страница 56: ...DRIVER INSTALLATION 52 ECX800 User s Manual This page is intentionally left blank ...

Страница 57: ... 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...

Страница 58: ...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 ...

Страница 59: ...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 W627EHF H int main int argc char argv void copyright void void EnableWDT int void DisableWDT void int main int argc char argv unsigned c...

Страница 60: ...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...

Страница 61: ... 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 ...

Страница 62: ...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 __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 un...

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