Biostar

Please update ethOS to the latest version (1.2.3 or above) and enable CSM support in BIOS for multiple AMD GPU mining.

note: update BIOS to the latest version according to your motherboard model. mining mode is set to enabled as default. Nvidia GPU does not need to enable CSM support.

For mining purpose in  BIOS version (7/10) and later version of BIOS, default setting for CSM is set to disabled. In which video is set to UEFI mode. If your GPU does not support UEFI then display through GPU is not supported. Please disconnect all GPU and connect monitor to on-board DVI port, then set on-board display as primary display device in BIOS. Then you can connect GPU back to motherboard and display through on-board DVI at the same time.

1. Power off and unplug all VGA card.
2. Connect moniter display with onboard DVI.
3. Power on and press "DEL" into BIOS set primary display from onboard.(BIOS/Chipset/System Agest(SA) Configuration/Primary display => IGFX).
   Then press "F10" save & exit.
4. Power off again and plug back all VGA card and power on to check whether get all VGA cards.
   PEX1_1-PEX1_5 => Chipset Menu / PCI Express Configuration.
   PEX16_1 => Chipset Menu / System Agent(SA) Configuration
5. If not get all , please check riser card whether work properly.  

If  AMD VGA card overclock and after install driver still show Yellow exclamation mark in Device Manager , here has a method might be fixed issue.

1.  Enter into Windows OS, and install graphic cards driver.
2. After installed driver finished,restart system and check :
   My Computer > Device Manager > To check the graphic cards if all can be recognized OK. 
   ==> If graphics cards show Yellow exclamation mark, it needs install Patch file
3. Run Patch file as Administrator then install.  After install done,please restart system and enter into Windows OS, and check all graphic cards can be recognized well with No Yellow exclamation mark . 
   
4. If check no problem,customer can start to mining.

Patch file download link : https://download.biostar.com.tw/temp/FAE/AMD_GraphicCard_Patch.rar

How to automatically run any applications after Windows 10 start up

Step 1,

Press Win+X to open Windows Power User Menu

Step 2,

Select run and type shell:startup

Step 3,

Place the Mining Application (*Shortcut) into the folder In order to run the Start-Up Program when Initial the Windows.

*Shortcut = BAT File Which Include the Mining Setting and Account

  How to automatically power up the system

Step 1,

Press Del at POST screen to get into BIOS,

Step 2,

Go to Advanced/ACPI settings/Restore AC Power Loss and set as Power On

Step 3,

Save and Exit BIOS to restart the system.

When first boot up your system or install new CPU/RAM, BIOS will scan the system for new devices. The scan will reboot up to 3-5 times, after finished initial boot up process BIOS will remember the settings and fast boot up with no reboot hereafter. (clear CMOS will reset BIOS to default setting thus cause the same reboot behavior)

 1. Please disable CPU Load-Line Calibration for stable CPU voltage (X370GT7 only)

4. Save and Exit to reboot the system, if boot up fail please add more CPU voltage.

 If you are using RYZEN it should not be any problem, there are APU limitation with 7th Gen A-series processor, please refer to below image:

If you are using a KabyLake CPU and want to output audio through HDMI® port, please update On-Board VGA driver to KabyLake version. You can find download link in download page of your motherboard model.

 1. Go to BIOS/O.N.E and enter AMD Pstate Configuration