Biostar

Yes, J1900NH2 has build-in CPU smartfan function. User can add a 3-pin CPU fan to the system and calibrate it for best smartfan speed.

Currently AMD does not release driver for support HSA function.

So it will need to wait AMD driver for supporting it.

By BIOS default, when system has 2G memory, VGA shared memory will set to 256MB.

However, you will be able to manaully set the VGA shared memory to 512MB.

Here is the setup location:

G41-M7 does not support Pentium D 930 CPU due to hardware support limitation.

Hi-Fi B85N 3D does not support on-board display with add on PCI-E VGA card's display at same time.

However you might use three display on this board for support multi-display.

D-Sub display, HDMI display and DVI display.

After boot to Windows, driver will recognize three monitors and can use Intel graphic driver to control them right away.

Our website's driver download section has been test regularly to ensure it's able to download.

It might be 3rd party's software to block the software download or make it unable to download properly.

Try to disable the antivirus program and disable the download protection from Google Chome.

Then the driver should be able to download and install properly.

According to the error message, your system might have wrong BIOS setting to cause system running unstable.

To resolve it, try to press "Delete" key to go to CMOS then load the optimized default setting and Save and exit BIOS.

After reboot, your system should work properly after this setting.

If system still running unstable, try to lower the memory setting or flash back the previus BIOS version you have.

If default Windows driver cannot support coprocessor, you might try to download the coprocessor driver from this link.

http://www.driverscape.com/download/coprocessor

You might use the default driver on Win7 for support most of TF570 SLI motherbaord's function.

If you do need to install Win7 driver, here are the Win7 drivers availible for download.

Audio driver for support Win7:

https://download.biostar.com.tw/upload/Driver//Audio/Realtek/HD/VistaWin7/Setup.exe

All in one chipset drivers:

http://www.nvidia.com/object/nforce_win7_64bit_15.35.html

Please refer the document from Microsoft, it will fix the DVD drive detection problem in Windows 8.1 system.

http://support.microsoft.com/kb/314060/en-us