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54 

ET876 Series 

User’s Manual 

 

 

bTime = strtol (argv[1], endptr, 10); 

printf("System will reset after %d seconds\n", bTime); 

 

if (bTime) 

EnableWDT(bTime); }  

else 

DisableWDT(); }  

return 0; 

//--------------------------------------------------------------------------- 

void EnableWDT(int interval) 

unsigned char bBuf; 

 

bBuf = Get_F81804_Reg(0x2B);  

bBuf &= (~0x20); 

Set_F81804_Reg(0x2B,   bBuf); 

//Enable WDTO 

 

Set_F81804_LD(0x07); 

 

//switch to logic device  7 

Set_F81804_Reg(0x30,   0x01); 

//enable timer 

 

bBuf = Get_F81804_Reg(0xF5);  

bBuf &= (~0x0F); 

bBuf |= 0x52; 

Set_F81804_Reg(0xF5,   bBuf); 

//count mode is second  

 

Set_F81804_Reg(0xF6,   interval); 

//set timer 

 

bBuf = Get_F81804_Reg(0xFA);  

bBuf |= 0x01; 

Set_F81804_Reg(0xFA,   bBuf); 

//enable WDTO output 

 

bBuf = Get_F81804_Reg(0xF5);  

bBuf |= 0x20; 

Set_F81804_Reg(0xF5,   bBuf); 

//start counting 

//--------------------------------------------------------------------------- 

void DisableWDT(void) 

unsigned char bBuf; 

 

Set_F81804_LD(0x07); 

 

//switch to logic  device 7  

 

bBuf = Get_F81804_Reg(0xFA); 

bBuf &= ~0x01; 

Set_F81804_Reg(0xFA,   bBuf); 

//disable WDTO output 

 

bBuf = Get_F81804_Reg(0xF5);  

bBuf &= ~0x20; 

bBuf |= 0x40; 

Set_F81804_Reg(0xF5,   bBuf); 

//disable WDT 

//--------------------------------------------------------------------------- 

 

 

//--------------------------------------------------------------------------- 

// 

Summary of Contents for ET876 Series

Page 1: ...ET876 Series COM Express Type 10 Module With Intel Atom x7 x5 SoC User s Manual Version 1 0 June 2020...

Page 2: ...ts to the products described in this document without prior notice Every effort has been made to ensure the information in the document is correct however IBASE does not guarantee this document is err...

Page 3: ...dio frequency energy and if not installed and used in accordance with manufacturer s instructions may cause harmful interference to radio communications WEEE This product must not be disposed of as no...

Page 4: ...WARNING Attention during use Do not use this product near water Do not spill water or any other liquids on this product Do not place heavy objects on the top of this product Anti static precautions W...

Page 5: ...TOMERS SHALL BE BILLED FOR REPAIR AND SHIPPING CHARGES Technical Support Services 1 Visit the IBASE website at www ibase com tw to find the latest information about the product 2 If you need any furth...

Page 6: ...tion 11 3 1 Introduction 12 3 2 Intel Chipset Software Installation Utility 12 3 3 Graphics Driver Installation 14 3 4 HD Audio Driver Installation 15 3 5 Intel Trusted Execution Engine Drivers 16 3 6...

Page 7: ...ET876 Series User s Manual vii This page is intentionally left blank...

Page 8: ......

Page 9: ...1 Chapter 1 General Information The information provided in this chapter includes Features Packing List Optional Accessories Specifications Block Diagram Product View Board Dimensions...

Page 10: ...emory slots and provides DDI display and LVDS or eDP interface connection and high speed I O such as USB 3 0 SATA III and PCIe Photo of ET876 1 2 Features COM Express module type 10 with onboard Intel...

Page 11: ...al accessories as follows Please contact us or your dealer if you need any Heat spreader HSET876 X 1 for ET876 X7 X5Q X5 1 5 Specifications Product Name ET876 Operating System Windows 10 64 bit Linux...

Page 12: ...s Dimensions 84 x 55 mm 3 35 x 2 17 RoHS Yes Certification CE FCC Class B I O Ports via carrier board Display 1 x DDI for LVDS or eDP Optional LAN 1 x GbE LAN USB 2 x USB 3 0 8 x USB 2 0 Serial 2 x UA...

Page 13: ...General Information ET876 Series User s Manual 5 1 1 6 Block Diagram...

Page 14: ...6 ET876 Series User s Manual 1 7 Product View Top View Bottom View Photos of ET876 The photos above are for reference only Some minor components may differ 1 8 Dimensions Unit mm...

Page 15: ...on jumper settings and connectors on the ET876 in order to set up a workable system On top of that you will also need to install crucial pieces such as the CPU and the memory before using the product...

Page 16: ...GND FIXED B60 GND FIXED A6 GBE0_MDI2 B6 LPC_AD2 A61 PCIE_TX2 B61 PCIE_RX2 A7 GBE0_MDI2 B7 LPC_AD3 A62 PCIE_TX2 B62 PCIE_RX2 A8 GBE0_LINK B8 LPC_DRQ0 A63 GPI1 B63 GPO3 A9 GBE0_MDI1 B9 LPC_DRQ1 A64 PCI...

Page 17: ...B33 I2C_CK A88 PCIE_CLK_REF B88 BIOS_DIS1 A34 BIOS_DIS0 B34 I2C_DAT A89 PCIE_CLK_REF B89 0DI0_HPD A35 THRMTRIP B35 THRM A90 GND FIXED B90 GND FIXED A36 USB6 B36 USB7 A91 SPI_POWER B91 DD 0_PAIR5 A37...

Page 18: ...10 ET876 Series User s Manual This page is intentionally left blank...

Page 19: ...stallation This chapter introduces installation of the following drivers Intel Chipset Software Installation Utility Graphics Driver HD Audio Driver Intel Trusted Execution Engine Drivers Intel Serial...

Page 20: ...must install the Intel Chipset Software Installation Utility first before proceeding with the drivers installation 3 2 Intel Chipset Software Installation Utility The Intel Chipset drivers should be i...

Page 21: ...vice Software appears click Next to continue 4 Click Yes to accept the software license agreement and proceed with the installation process 5 On the Readme File Information screen click Install for in...

Page 22: ...Next to continue 3 Click Yes to accept the license agreement and click Next until the installation starts 4 Read the Readme File Information and then click Next until the installation starts 5 Choose...

Page 23: ...o Driver Installation 1 Click Realtek High Definition Audio Driver 2 On the Welcome screen of the InstallShield Wizard click Next 3 Click Next until the installation starts 4 When the driver is comple...

Page 24: ...Engine Drivers 1 Click Intel R TXE Drivers 2 When the Welcome screen appears click Next 3 Accept the license agreement and click Next until the installation starts 4 As the driver has been sccessfully...

Page 25: ...al IO Drivers 2 When the Welcome screen to the InstallShield Wizard appears click Next 3 Accept the license agreement and click Next 4 After reading the Readme File Information click Next for installa...

Page 26: ...r s Manual 3 7 LAN Driver Installation 1 Click LAN Card on the left pane and then Intel LAN Controller Drivers on the right pane 1 Click Intel R I21x Gigabit Network Drivers 2 When the Welcome screen...

Page 27: ...ment and click Next 4 On the Setup Options screen tick the checkbox to select the desired driver s for installation Then click Next to continue 5 The wizard is ready for installation Click Install 6 A...

Page 28: ...20 ET876 Series User s Manual This page is intentionally left blank...

Page 29: ...apter describes the different settings available in the AMI BIOS that comes with the board The topics covered in this chapter are as follows Main Settings Advanced Settings Chipset Settings Security S...

Page 30: ...t will continue with its test routines thus preventing you from invoking the Setup If you still need to enter Setup restart the system by pressing the Reset button or simultaneously pressing the Ctrl...

Page 31: ...nt of BIOS Setup is on the basis of the model ET876 X7LV8G 4 3 Main Settings BIOS Setting Description System Date Sets the date Use the Tab key to switch between the data elements System Time Set the...

Page 32: ...nfigures eDP to LVDS eDP DP F81964 Super IO Configuration Displays super IO chip parameters F81804SEC Super IO Configuration Displays super IO chip parameters F81804 Hardware Monitor Shows super IO mo...

Page 33: ...nables Disables BIOS support for security device OS will not show security device TCG EFI protocol and INTIA interface will not be available Pending operation Schedule an operation for the security de...

Page 34: ...26 ET876 Series User s Manual 4 4 2 ACPI Settings Setting Description ACPI Sleep State Selects an ACPI sleep state Suspend Disabled or S3 where the system will enter when the Suspend button is pressed...

Page 35: ...l 27 4 4 4 3 DP to LVDS Configuration Note DP to LVDS Configuration is only available for ET876 X7LV8G ET876 420LVM8G BIOS Setting Description LVDS Support Enables Disables eDP to LVDS Below are the s...

Page 36: ...28 ET876 Series User s Manual...

Page 37: ...BIOS Setup ET876 Series User s Manual 29 4...

Page 38: ...er IO Configuration BIOS Setting Description Serial Port 1 Configuration Set parameters of Serial Port 1 COMA Serial Port 2 Configuration Set parameters of Serial Port 1 COMB 4 4 4 1 Serial Port 1 Con...

Page 39: ...l 31 4 4 4 5 F81804SEC Super IO Configuration BIOS Setting Description Serial Port 1 Configuration Set parameters of Serial Port 1 COMA Serial Port 2 Configuration Set parameters of Serial Port 2 COMB...

Page 40: ...32 ET876 Series User s Manual 4 4 5 2 Serial Port 2 Configuration...

Page 41: ...temperature to shut down if CPU goes overheated Options Disabled 70 C 75 C 80 C 85 C 90 C 95 C Power Failure Options Always on Always off Temperatures Voltages These fields are the parameters of the h...

Page 42: ...CPU information CPU Power Management Shows the CPU power management options Active Processor Cores Enables Disables the number of cores to enable in each processor package Monitor Mwait Enables Disab...

Page 43: ...change should be claimed by XHCI driver USB Mass Storage Driver Support Enables Disables the support for USB mass storage driver USB Transfer time out The time out value 1 5 10 20 secs for Control Bul...

Page 44: ...36 ET876 Series User s Manual 4 4 9 Network Stack Configuration BIOS Setting Description Network Stack Enables Disables UEFI network stack...

Page 45: ...BIOS services Always cannot disable GA20 but is useful when any RT code is executed above 1 MB INT19 Trap Response Selects the way that BIOS reacts on INT19 trapping by Option ROM Immediate executes...

Page 46: ...38 ET876 Series User s Manual 4 5 Chipset Settings...

Page 47: ...Disables PCIe root port Auto is to disable unused root port automatically for the most optimum power savings 4 5 1 1 PCIe Root Ports 1 6 BIOS Setting Description ASPM PCI Express Active State Power M...

Page 48: ...les the chipset SATA controller The chipsest SATA Controller supports the 2 black internal SATA ports up to 3Gb s supported per port 4 5 3 SCC Configuration BIOS Setting Description SCC eMMC Support E...

Page 49: ...S VBUS should be set as ON in Host mode and should be set as OFF in OTG device mode USB HSIC1 Support Enables Disables USB HSIC1 USB SSIC1 Support Enables Disables USB SSIC1 USB Port 0 Disable Overrid...

Page 50: ...ser s Manual 4 6 Security Settings BIOS Setting Description Administrator Password Sets an administrator password for the setup utility User Password Sets a user password Secure Boot Customizable secu...

Page 51: ...Boot is enrolled System mode is User Deployed and CSM is disabled Secure Boot Customization Secure Boot mode Custom Standard Set UEFI Secure Boot mode to STANDARD mode or CUSTOM mode this change is e...

Page 52: ...ge Allow the image to run in Secure Boot mode Enroll SHA256 Hash certificate of a PE image into Authorized Signature Database db Remove UEFI CA from DB Device Guard ready system must not list Microsof...

Page 53: ...35 0xFFFF means indefinite waiting Bootup NumLock State Selects the keyboard NumLock state Quiet Boot Enables Disables Quiet Boot option New Boot Option Policy Controls the placement of newly detected...

Page 54: ...after saving the changes Discard Changes and Reset Resets system setup without saving any changes Save Changes Saves changes done so far to any of the setup options Discard Changes Discards changes d...

Page 55: ...47 Appendix This section provides the mapping addresses of peripheral devices and the sample code of watchdog timer configuration...

Page 56: ...rd resources 0x00000065 0x00000065 Motherboard resources 0x00000067 0x00000067 Motherboard resources 0x00000070 0x00000070 Motherboard resources 0x00000070 0x00000070 System CMOS real time clock 0x000...

Page 57: ...er 0x00000030 0x00000031 Programmable interrupt controller 0x00000034 0x00000035 Programmable interrupt controller 0x00000038 0x00000039 Programmable interrupt controller 0x0000003C 0x0000003D Program...

Page 58: ...ice Description 0x0000F090 0x0000F097 Standard SATA AHCI Controller 0x0000F080 0x0000F083 Standard SATA AHCI Controller 0x0000F060 0x0000F07F Standard SATA AHCI Controller 0x00000040 0x00000043 System...

Page 59: ...94967293 Intel R I210 Gigabit Network Connection IRQ 4294967292 Intel R I210 Gigabit Network Connection IRQ 4294967291 Intel R I210 Gigabit Network Connection IRQ 4294967290 Intel R I210 Gigabit Netwo...

Page 60: ...IRQ 14 Intel R Serial IO GPIO Host Controller INT3452 IRQ 14 Intel R Serial IO GPIO Host Controller INT3452 IRQ 14 Intel R Serial IO GPIO Host Controller INT3452 IRQ 14 Intel R Serial IO GPIO Host Con...

Page 61: ...before the timer counts to zero Sample 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...

Page 62: ...1 enable timer bBuf Get_F81804_Reg 0xF5 bBuf 0x0F bBuf 0x52 Set_F81804_Reg 0xF5 bBuf count mode is second Set_F81804_Reg 0xF6 interval set timer bBuf Get_F81804_Reg 0xFA bBuf 0x01 Set_F81804_Reg 0xFA...

Page 63: ...sult unsigned charucDid F81804_BASE 0x4E result F81804_BASE ucDid Get_F81804_Reg 0x20 if ucDid 0x07 Fintek81804 goto Init_Finish F81804_BASE 0x2E result F81804_BASE ucDid Get_F81804_Reg 0x20 if ucDid...

Page 64: ...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 PURPOS...

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