For who install the USB-32 driver but the panel have not 192K sampling option, this is because the computer have applied the other VIA chipset in the built in sound card and the Windows have confuse the drivers . This method to disabled built in sound card for fix the problems :
1, Power off the DAC , While power on the computer, push and hold on the “Del” key until enter the BIOS setting menu . ( different computer may have different key to enter the BIOS ) .
2, Find the option “ Advanced chipset Features “ , you can see the “AC’97 Audio” option . ( The different computer may have different name on the option . Some computer may have the “Advanced “ , “I/O Device Configuration” , “Integrated Peripheral Setup” or “ Onboard AC97 Audio”)
3, Push the PageDown or PageUp key change the “ Enable” to “ Disabled” , Save and quit . (Different computer may have different key to select the setting, and mark on the menu .)
4, Uninstall and Reinstall the USB32 driver again if necessary .