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User’s Manual

Copyright

The documentation and the software included with this product are copy- righted 2020 by Shenzhen JHC

Technology Development Co., Ltd. All rights are reserved. Shenzhen JHC Technology Development Co.,

Ltd. reserves the right to make improvements in the products described in this manual at any time without

notice. No part of this manual may be reproduced, copied, translated or transmitted in any form or by any

means without the prior written permission of Shenzhen JHC Technology Development Co., Ltd.

Information provided in this manual is intended to be accurate and reliable. However, Shenzhen JHC

Technology Development Co., Ltd. assumes no responsibility for its use, nor for any infringements of the

rights of third parties, which may result from its use.

Acknowledgements

Award is a trademark of Award Software International, Inc.

IBM, PC/AT, PS/2 and VGA are trademarks of International Business Machines Corporation.

Intel, Skylake and Kabylake are trademarks of Intel Corporation.

Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp.

RTL is a trademark of Realtek Semi-Conductor Co., Ltd.

All other product names or trademarks are properties of their respective owners.

For more information on this and other JHC products, please visit our websites at:

http://www.jhctech.com.cn

Содержание BRAV-7520

Страница 1: ...User s Manual BRAV 7520 7521 User s Manual Ver A0 1 Date 20 Oct 2020 ...

Страница 2: ...User s Manual Version Note No Ver Note Date Writer 1 A0 1 first publish 20201020 Echo ...

Страница 3: ...al is intended to be accurate and reliable However Shenzhen JHC Technology Development Co Ltd assumes no responsibility for its use nor for any infringements of the rights of third parties which may result from its use Acknowledgements Award is a trademark of Award Software International Inc IBM PC AT PS 2 and VGA are trademarks of International Business Machines Corporation Intel Skylake and Kaby...

Страница 4: ...ent materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encountered For example CPU speed JHC products used other hardware and software used etc Note anything abnormal and list any onscreen messages you get when the problem occurs 2 Call your dealer and describe t...

Страница 5: ...sident installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception in which ...

Страница 6: ...ns 5 1 5 Order Information 6 1 6 Mechanical Specifications 6 Hardware Installation 11 2 1 Introduction 12 2 2 Jumpers setting 12 2 2 1 CMOS Clear CMOS Data jumper 12 2 2 2 ATX AT ATX Power on mode selection 13 2 3 I O Ports Indication 13 2 3 1 Ethernet Connector 15 2 3 2 USB Connector 16 2 3 3 VGA 17 2 3 4 DP 17 2 3 5 DIO Connector 18 2 3 6 COM Connector 18 2 3 7 DC Power 19 2 3 8 Serial ATA 20 2 ...

Страница 7: ... 3 Installing M 2 31 2 4 4 Installing Mini PCIe 32 2 4 5 Installing Expansion Functional Module 33 BIOS Setup 36 3 1 BIOS Description 37 3 1 1 Entering the Setup Utility 37 3 2 BIOS parameter settings 38 3 2 1 BIOS Navigation Keys 39 3 2 2 Main Menu 39 3 2 3 Advanced Menu 41 3 2 4 Chipset Menu 44 3 2 5 Security menu 45 3 2 6 Boot menu 46 3 2 7 Save Exit menu 47 3 3 Updating the BIOS 48 Driver Inst...

Страница 8: ...User s Manual iii SYSTEM RESOURCE 52 5 1 WDT and GPIO 53 ...

Страница 9: ...User s Manual 1 General Information CHAPTER 1 ...

Страница 10: ... X16 slot support 1 75W AI Module the length of the module must be less than 300mm BRAV 7521 provides 4 2 5 SATA3 6Gbps HDD SSD are used for storage support raid 0 1 5 10 2 PCIe X8 in X16 slot support 2 350W GPU the length of the GPU must be less than 300mm 2 PCIe X4 in X16 slot support 2 75W AI Module the length of the module must be less than 300mm up to 7 extension slots can be supported DC 12V...

Страница 11: ...U Intel Coffeelake R LGA1151 CPU Intel Coffeelake R LGA1151 CPU 芯片组 Intel Q370 Intel C246 Intel Q370 Intel C246 Mermory 4 DDR4 最大128GB 4 DDR4 最大128GB 4 DDR4 最大128GB 4 DDR4 最大128GB LAN 3 3 3 3 USB3 1 6 6 6 6 USB2 0 2 2 2 2 COM 4 4 4 4 DIO 16 bit Iso DIO 16 bit Iso DIO 16 bit Iso DIO 16 bit Iso DIO DP 2 2 2 2 VGA 1 1 1 1 PCIe 1 PCIe X16 1 PCIe X4 1 PCIe X16 1 PCIe X4 2 PCIe X8 2 PCIe X4 2 PCIe X8 2 ...

Страница 12: ...pe A 2 USB2 0 Type A DIO 16 bit Iso DIO 2 10Pin Phoenix 8 bit Iso DI High 5 24V Low 0 1 5V and 8 bit Iso DO 200mA Expansion Interface 1 Full size Mini PCIe PCIeX1 USB with SIM slot 1 M 2 E Key 2230 1 M 2 B Key 3052 SIM slot Support 5G 1 M 2 2280 M Key Gen3 PCIeX4 Support NVMe storage 1 PCIe X16 support 1 350W GPU BRAV 7520 1 PCIe X4 in X16 slot support 1 75W AI Module BRAV 7520 2 PCIe X8 support 2...

Страница 13: ...A I7 8700 CPU 32GB DDR4 2 2080TI GPU Power Supply DC 12V 5 Pin phoenix 1 4 Environmental Specifications Operating temperature BRAV 7520 20 60 35W 65W CPU No GPU BRAV 7520 0 45 35W 65W CPU 1 2080TI GPU BRAV 7521 20 60 35W 65W CPU No GPU BRAV 7521 0 45 35W 65W CPU 2 2080TI GPU Relative humidity 10 90 40 C non condensing Storage temperature 40 85 C 40 185 F Vibration loading during operation With SSD...

Страница 14: ...A1151 CPU Q370 PCH 4 DDR4 3 LAN 6 USB3 1 2 USB2 0 4 COM 1 Mini PCIe M 2 E Key M 2 B Key 2 PCIe X8 2 PCIe X4 1 VGA 2 DP Audio out Mic 16 bit Iso DIO 4 3 5 SATA 1 M 2 2280 M Key DC 12V BRAV 7521 S002 Edge Computing system Intel Coffeelake LGA1151 CPU C246 PCH 4 DDR4 3 LAN 6 USB3 1 2 USB2 0 4 COM 1 Mini PCIe M 2 E Key M 2 B Key 2 PCIe X8 2 PCIe X4 1 VGA 2 DP Audio out Mic 16 bit Iso DIO 4 3 5 SATA 1 ...

Страница 15: ...User s Manual 7 Main Board Front AXM I960 Figure 1 1 Main Board Rear AXM I960 Figure 1 2 Sub card ECB 9600 Figure 1 3 ...

Страница 16: ...User s Manual 8 Sub card OFX 1000 Figure 1 4 Sub card ECX 254 BRAV 7521 Figure 1 5 Sub card ECX 255 BRAV 7520 Figure 1 6 ...

Страница 17: ...User s Manual 9 BRAV 7520 Fornt Figure 1 7 BRAV 7521 Fornt Figure 1 8 ...

Страница 18: ...User s Manual 10 BRAV 7520 Dimension Unit mm Figure 1 9 BRAV 7521 Dimension Unit mm Figure 1 10 ...

Страница 19: ...User s Manual 11 Hardware Installation CHAPTER 2 ...

Страница 20: ...MOS Clear CMOS Data Setting Jumper AT ATX Set Power on mode at AT or ATX Jumper 2 2 1 CMOS Clear CMOS Data jumper Figure 2 1 If you encounter the followings a CMOS data becomes corrupted b You forget the supervisor or user password you can reconfigure the system with the default values stored in the ROM BIOS To load the default values stored in the ROM BIOS please follow the steps below 1 Power of...

Страница 21: ...r which users can set Power on mode by it When you set pins 2 and 3 on it means power on by AC Power When you set pins 1 and 2 on it means power on by Power button 2 3 I O Ports Indication BRAV 7520 Front Panel I O Ports Figure 2 3 The Rear panel I O ports consist of the following 1 DC IN Power 1 5 Pin phoenix DC 12V ...

Страница 22: ... 16 bit DIO 2 10 Pin phoenix 1 Remote SW 1 2 Pin phoenix 1 I port Optional 16 bit GPIO USB2 0 or Mini PCIe and M 2 I O ports such as serial ports 1 PCIeX16 1 PCIeX4 2 2 5 SATA3 tray BRAV 7521 Front Panel I O Ports Figure 2 4 The Front panel I O ports consist of the following 1 DC IN Power 1 5 Pin phoenix DC 12V ...

Страница 23: ...20 BRAV 7521 is equipped with 2 Intel I210AT chips and 1 Intel I219LM for 10 100 1000Mbps Ethernet controllers The product provides 3 RJ45 with LED indicators on the front side to show its Active Link status Green LED and Speed status yellow LED Table 2 1 for pin assignments Figure 2 5 Table 2 1 RJ 45 Connector pin assignments Pin 10 100 1000BaseT Signal Pin 10 100 1000BaseT Signal 1 TX 10 100 LAN...

Страница 24: ...gen2 2 USB2 0 The USB interface can be disabled in the system BIOS setup Table 2 2 for USB 3 1 pin assignments Figure 2 6 Table 2 2 USB3 1 Port Pin Assignments Pin Signal Pin Signal 1 VBUS 6 StdA_SSRX 2 D 7 GND_DRAIN 3 D 8 StdA_SSTX 4 GND 9 StdA_SSTX 5 StdA_SSRX Shell Shield Table 2 3 for USB2 0 pin assignments Figure 2 7 Table 2 3 USB2 0 Port Pin Assignments Pin Signal Pin Signal 1 USB_VCC 2 USB_...

Страница 25: ...GB 11 SPD 2 VGA_z_G 7 GND_7 12 VGA_SDA 3 VGA_z_B 8 GND_RGB 13 MONHSYNC 4 SPC 9 VGA_5V 14 MONVSYNC 5 GND 10 GND 15 VGA_SCL 2 3 4 DP The BRAV 7520 BRAV 7521 provides 2 high resolution DP ports it supports the most resolution up to 4096 2160 60Hz Table 2 5 for DP pin assignments Figure 2 9 Table 2 5 DP Pin Assignments Pin Signal Pin Signal Pin Signal 1 DATA0_P 8 GND 15 AUXP 2 GND 9 DATA2_N 16 GND 3 D...

Страница 26: ...O1 3 DI2 13 DO2 4 DI3 14 DO3 5 DI4 15 DO4 6 DI5 16 DO5 7 DI6 17 DO6 8 DI7 18 DO7 9 ECOM1 19 E_GND 10 VCC_ISO 20 PCOM1 All of the above DIOs are TTL signals digital inputs high level 1 2 5 25V low level 0 0 0 8V digital output high level 1 minimum 2 4V low level 0 Maximum 0 4V 2 3 6 COM Connector The BRAV 7520 BRAV 7521 provides 4 serial ports of COM1 2 3 4 by 4 D sub 9 pin connectors COM1 2 can be...

Страница 27: ...R RX NC 5 GND GND GND 6 DSR NC NC 7 RTS NC NC 8 CTS NC NC 9 RI NC NC Figure 2 9 Table 2 8 COM3 COM4 Serial Ports Pin Assignments Pin Signal Pin Signal 1 COM_DCD 2 COM_SIN3 3 COM_SOUT 4 COM_DTR 5 GND 6 COM_DSR 7 COM_RTS 8 COM_CTS 9 COM_RI 2 3 7 DC Power The BRAV 7520 BRAV 7521 provides a DC 12V power supply by 1 5pin phoenix connectors Table 2 9 for pin assignments ...

Страница 28: ...ND 2 3 8 Serial ATA The BRAV 7520 provides 2 SATA3 0 BRAV 7521 provides 4 SATA3 0 data transfer rate up to 6Gb s Table 2 10 for pin assignments Figure 2 11 Table 2 10 Serial ATA pin assignments Pin Signal Pin Signal 1 GND 5 RX 2 TX 6 RX 3 TX 7 GND 4 GND 2 3 9 Serial ATA Power Figure 2 12 Table 2 11 for pin assignments ...

Страница 29: ...re 2 13 Table 2 12 Remote Switch pin assignments Pin Signal 1 PWR_BTN 2 GND 2 3 11 Mini PCIe Connector The BRAV 7520 BRAV 7521 provides a Mini PCIe Mini PCIe interface with PCIe and USB signal Install Mini PCI Express cards such as network cards or other cards that comply to the Mini PCI Express specifications into the Mini PCI Express slot Table 2 13 for pin assignments Note SIM1 slot is connecte...

Страница 30: ...LK_RESUME 31 SATA_TXN_PCIE17 32 SMB_DATA_RESUME 33 SATA_TXN_PCIE17 34 GND 35 GND 36 USB_N6 37 GND 38 USB_P6 39 V3 3_MINICARD2 40 GND 41 V3 3_MINICARD2 42 NC 43 SATA_PCIE0_DET 44 SIM1_DET 45 NC 46 NC 47 NC 48 V1 5 49 NC 50 GND 51 NC 52 V3 3_MINICARD2 2 3 12 M 2 connector BRAV 7520 BRAV 7521 provides 3 M 2 1 M 2 2280 M Key with PCIeX4 signal support NVMe storage 1 H M 2 B Key 3052 with SIM slot and ...

Страница 31: ...M2 5 PCIE_M2_RX24 6 NC 7 PCIE_M2_RX24 8 NC 9 GND 10 V3 3_M2 11 PCIE_M2_TX24 12 V3 3_M2 13 PCIE_M2_TX24 14 V3 3_M2 15 GND 16 V3 3_M2 17 PCIE_M2_RX23 18 V3 3_M2 19 PCIE_M2_RX23 20 NC 21 GND 22 NC 23 PCIE_M2_TX23 24 NC 25 PCIE_M2_TX23 26 NC 27 GND 28 NC 29 PCIE_M2_RX22 30 NC 31 PCIE_M2_RX22 32 NC 33 GND 34 NC 35 PCIE_M2_TX22 36 NC ...

Страница 32: ...6 53 PCIe_M2_CLK6 54 PCH_WAKE_N 55 PCIe_M2_CLK6 56 NC 57 GND 58 NC 59 NC 60 NC 61 NC 62 NC 63 NC 64 NC 65 NC 66 NC 67 NC 68 SUSCLK_R 69 M 2_SSD_DET 70 V3 3_M2 71 GND 72 V3 3_M2 73 GND 74 V3 3_M2 75 GND 76 Table 2 15 M 2 B Key 3052 NGFF1 pin assignments Pin Signal Pin Signal 1 GND 2 V3_M2 3 GND 4 V3_M2 5 GND 6 V3_M2 7 USB_P9 8 WIFI_DISABLE 9 USB_N9 20 NC 21 V3_M2 22 NC 23 NC 24 NC 25 NC 26 NC ...

Страница 33: ...IE_TX18 48 NC 49 PCIE_TX18 50 PLTRST_M2_N 51 GND 52 CLK_REQ15 53 CLK_PCIe_N15 54 PCH_WAKE_N 55 CLK_PCIe_P15 56 NC 57 GND 58 NC 59 NC 60 NC 61 NC 62 NC 63 NC 64 NC 65 NC 66 SIM_DET 67 3VS 68 SUSCLK 69 M 2_SSD_PEDET 70 V3_M2 71 GND 72 V3_M2 73 GND 74 V3_M2 75 NC Table 2 16 M 2 E Key 2230 NGFF2 pin assignments Pin Signal Pin Signal 1 GND 2 V3 3M2SB 3 USB_P5 4 V3 3M2SB 5 USB_N5 6 NC 7 GND 8 M 2_BT_PCM...

Страница 34: ...RI_DT_BT_UART0_RTS 37 PCIE_X4_TX12 38 M 2_WLAN_CL_RST_N 39 GND 40 M 2_WLAN_CL_DATA 41 PCIE_X4_RX12 42 M 2_WLAN_CL_CLK 43 PCIE_X4_RX12 44 DISC_WLAN_WWAN_COEX3 45 GND 46 DISC_WLAN_WWAN_COEX2 47 CLK_PCIe_P14 48 DISC_WLAN_WWAN_COEX1 49 CLK_PCIe_N14 50 SUSCLK 51 GND 52 PLTRST_M2_N 53 CLK_REQ14 54 NC 55 PCH_WAKE_N 56 NC 57 GND 58 NC 59 CNV_WT_D1_DN 60 NC 61 CNV_WT_D1_DP 62 NC 63 GND 64 PULSAR_38P4M_REFC...

Страница 35: ...7521 provides 2 PCIeX8 expansion slot by ECX 254 for connecting PCIeX8 extension devices such as motion control card data acquisition card etc The maximum support is 2 350W AI acceleration card the length of the extension card is not more than 300mm Figure 2 20 2 3 15 PCIe X4 BRAV 7520 BRAV 7520 provides 1 PCIeX4 expansion slot by ECX 255 for connecting PCIeX4 extension devices such as motion cont...

Страница 36: ...not more than 300mm Figure 2 16 2 3 17 LED The BRAV 7520 BRAV 7521 panel has one power indicator one hard disk indicator three network connection status indicators and three CPU operating temperature indicators When the CPU operating temperature 85 the green light When the CPU temperature is between 86 and 95 the yellow light is on and when the CPU operating temperature is 96 the red light is on I...

Страница 37: ...p 3 Put the hard drive tray back into the hard drive case 2 4 2 HDD SSD Installation BRAV 7520 Step 1 unscrew the 2 screws on the HDD SSD bracket of the rear panel Step 2 remove the HDD SSD stent Step 3 load the HDD SSD into the bracket and tighten the 4 screws on the left and right sides to fix the HDD SSD Step 4 push the bracket with HDD SSD into the slot and tighten the 2 screws on the bracket ...

Страница 38: ...User s Manual 30 ...

Страница 39: ...h BRAV 7521 BRAV 7521 is taken as an example below Step 1 Unscrew the 9 screws on the side plate and remove the cover plate Step 2 Insert the corresponding M 2 module into the corresponding slot and fix it by locking the screw Step 3 Use the opposite steps to complete the installation of the machine ...

Страница 40: ... steps of Mini PCIe Module BRAV 7520 are consistent with BRAV 7521 BRAV 7521 is taken as an example below Step 1 The step here is the same as above chapter 2 4 3 Installing M 2 Module For details please refer to the above chapter 2 4 3 Installing M 2 Module ...

Страница 41: ... please refer to the above chapter 2 4 3 Installing M 2 Module Step 2 Take down the corresponding number of extension baffles according to the requirements of extension function modules Step 3 Insert the extension function module into the corresponding extension slot and fix it with screws Step 4 Use the opposite steps to complete the installation of the machine Note BRAV 7520 contains 1 PCIeX4 an...

Страница 42: ...with 8 screws 2 Fix the fixing frame on the structure with 2 screws and the position of the GPU fixing frame can be adjusted according to the need The picture shows the installation position of the GPU fixing frame of a short GPU graphics card If it is a long GPU graphics card the GPU fixing frame should be installed in the position of the red box The maximum length of GPU graphics card shall not ...

Страница 43: ...User s Manual 35 ...

Страница 44: ...User s Manual 36 BIOS Setup CHAPTER 3 ...

Страница 45: ...gs as follows 1 An error message appears on the screen during the system self test and asks for the SETUP setting 2 You want to change the factory default settings based on customer characteristics But in general customers are not recommended to set it up In most cases using the default value is already the best setting The BIOS Setup Utility enables you to configure Hard drives diskette drives an...

Страница 46: ...u to verify that you wish to execute that option Other options lead to dialog boxes that prompt you for information Some options marked with a triangle lead to submenus that enable you to change the values for the option Use the cursor arrow keys to scroll through the items in the submenu In this manual default values are enclosed in parenthesis Submenu items are denoted by a triangle The default ...

Страница 47: ...lues F3 Optimized Defaults F4 Save Exit 3 2 2 Main Menu When you enter the BIOS Setup program the main menu appears giving you an overview of the basic system information Select an item and press Enter to display the submenu Press Esc to back to the main menu The BIOS setup program provides a help screen You can call up this help screen from any menu by simply pressing the F1 key This help screen ...

Страница 48: ...hows the basic information of the motherboard including the Board ID and BIOS Version of the motherboard Processor Information This item shows the basic information about the currently used processor including name type speed ID core Microcode version etc IGFX VBIOS Version This item shows the Current VBIOS version of the CPU integrated graphics ...

Страница 49: ...This item shows the version number of the ME firmware ME firmware SKU This item shows the ME firmware model number System Language Set the language interface of the BIOS System Date Set the date The format of the date is week month day year System Time Set the time The format of the time is hour minute second 3 2 3 Advanced Menu This page sets up more advanced information about your system Handle ...

Страница 50: ...ing of the thermal configuration parameter AMT Configuration This item contains the AMT configuration enter this sub menu there will be detailed details of the ATM as well as related settings of the configure intel R Active Management Technology parameters Trusted Computing Trusted computing enter this sub menu there will be the setting of the encryption security module the motherboard will instal...

Страница 51: ...temperature fan speed status display of each common working voltage as well as parameter settings of intelligent fan control SIO Configuration Super IO configuration enter this sub menu there will be the port configuration of the serial parallel port which are included in IO CSM Configuration ...

Страница 52: ... NVMe device settings enter this sub menu there will be set NVMe device 3 2 4 Chipset Menu The chipset menu items allow you to change the settings for the North Bridge chipset South Bridge chipset and other system System Agent SA Configuration Memory Configuration Memory configuration enter this submenu there will be detailed memory information Graphics Configuration Image processing configuration...

Страница 53: ...delity audio which controls the switch settings of the motherboard s sound card 3 2 5 Security menu Administrator Password This item sets the information of the administrator password User Password This item sets the information of the normal user password Secure Boot This item sets the information of the secure boot Secure Boot feature is Actice if Secure Boot is Enabled Platform key PK is enroll...

Страница 54: ...User s Manual 46 3 2 6 Boot menu Setup Prompt Timeout Setup prompts for waiting time This option is to set the time to wait for the Del key to enter the BIOS setup after booting Bootup NumLock State ...

Страница 55: ...k has a PE system After the setting is completed press the F4 button to save and exit The system will boot from your CD ROM drive or USB flash drive 3 2 7 Save Exit menu Save changes and Exit This item enables you to save the changes that you have made and exit Discard Changes and Exit This item enables you to discard the changes that you have made and exit Save Changes and Reset This item enables...

Страница 56: ... the system is turned back on the system is configured with the values you stored in CMOS The BIOS provides the underlying driver for hardware resources and is the bridge between hardware and operating system Now hardware and various applications are constantly updated When your system encounters problems such as the system does not support the latest published CPU you need to upgrade your BIOS NO...

Страница 57: ...User s Manual 49 Driver Installation CHAPTER 4 ...

Страница 58: ... 1 Double click on the AMT folder and double click on the Setup exe 2 Follow the instructions that the window shows 3 The system will help you install the driver automatically Step 2 Install Audio Driver 1 Double click on the Audio folder and double click on the Setup exe 2 Follow the instructions that the window shows 3 The system will help you install the driver automatically Step 3 Install Chip...

Страница 59: ...nstall the driver automatically 4 4 Utility Software Reference All the utility software available from this page is Windows compliant They are provided only for the convenience of the customer The following software is furnished under license and may only be used or copied in accordance with the terms of the license These software s are subject to change at any time without prior notice Please ref...

Страница 60: ...User s Manual 52 SYSTEM RESOURCE CHAPTER 5 ...

Страница 61: ...ir with jhctech_init release the library s occupied resources when not needed 3 parameter description 4 creation date 5 1 void watchdog_set int time 2 function description Watchdog function 3 parameter description time is to Set the dog feeding time Value between 0 and 255 Setting 0 means to turn off the watchdog 4 creation date 5 1 void smbus_8pin_gpio_mode int port int mode 2 function descriptio...

Страница 62: ...port BYTE value 2 function description high and low levels output of the subcard 3 parameter description Parameter port represents the number of the GPIO 1 or 2 Level 8 bit of a bit each bit controls a GPIO pin output value Bit 1 means output high level Bit 0 means output low level Note The output value is valid only when the pin is in output mode 4 creation date 5 Return value Bit7 Bit6 Bit5 Bit4...

Страница 63: ...e level state of a GPIO pin parameter port fill in sub card GPIO number 1 or 2 Note The read value is valid only when the pin is in input mode 4 creation date 5 Note If you want more programs of the motherboard s watchdog and GPIO please call 86 0755 86021176 8021 86 0755 86021176 8023 for more information Return value Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 GPIO pin PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 ...

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