Is there a chance to improve this? Or was it already a similar value just accounted to the kernel before? The DriverKit *dkusb task takes 25-30% of the CPU time (Activity Monitor) during audio playback (simple music player). This was working without TotalMix with the kernel driver. If TotalMix is not running or quit, the dials change with the volume buttons pressed, but the actual sound levels stay the same despite of the user interface showing the changes. The MacOS user interface dials (Sound Preferences, Audio MIDI Setup) and keyboard volume buttons appear to work only if TotalMix is started. The one found on our website for download is not guaranteed to always do that.įormer driver 3.27 with updated installer to remove DriverKit 4.0:ĭriver v4.01 – BabyFace Pro FS, FW v200 – MacBook Air (Retina, 13-inch, 2020) If done simply reinstall the former 3.27.Īs an alternative we also made a version of the 3.27 driver available that should reliably remove the DriverKit extension during its installation, see link below. You will be asked for permission for the removal of the extensions. With DriverKit this Settings dialog is 'the app', upon removal all driver files belonging to it will also be removed automatically. To go back to 3.27: easiest method is to drag the Fireface USB Settings app found in the folder Applications to the trash can - only use the Finder for this action. After that you could set the system security back to normal, unless any other existing kernel extensions still need reduced security. Then reboot computer.Ī previously installed kernel extension driver, like 3.27, does not need to be uninstalled. All others should get that dialog, and before reboot should check that in Security & Privacy, tab General, the RME driver is allowed to load. Users that tried version 4.0 will not see the Allow dialog and button anymore. Installation works automatically by a double-click on the pkg (package) file. Installation: Double-click on driver_mac_usbdk_401.zip to expand the archive file to the driver file Fireface USB DK 401.pkg. System requirements: macOS 11 and up, Intel or M processor (Apple Silicon) This is a special DriverKit version that is not compatible to previous drivers. works with Cubase 12 (the current workaround for this will be discussed with Steinberg, as all other DAWs did not need it)Ĭurrent driver version: 4.01. Added system control of volume for the Babyface Pro (VOL keys on laptop etc) Surround/multichannel support added for Audio MIDI Setup This is an update on our first beta version, see here:
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