hello people Im a new user on your forum and I have a problem if you help me I'll be happy

My problem is installation soundcard driver that is presonus firebox.

I try this way

sudo gedit /etc/udev/rules.d/40-permissions.rules

find this :

# IEEE1394 (firewire) devices
# Please note that raw1394 gives unrestricted, raw access to every single
# device on the bus and those devices may do anything as root on your system.
# Yes, I know it also happens to be the only way to rewind your video camera,
# but it's not going to be group "video", okay?
KERNEL=="raw1394", GROUP="disk"
KERNEL=="dv1394*", GROUP="video"
KERNEL=="video1394*", GROUP="video"

and change it to

KERNEL=="raw1394", GROUP="audio"
but firebox ligth is still red that didnt change as blue

maybe I cant adjust jack settings or freebob. Can you help me? How can I adjust jack or freebob ? I have lots of problems about it.

My setting is

after that, when I looked my device manager on ubuntu studio and I saw my presonus firebox however I dont know how to active it, it is not work also I dont know how to configure my jack for presonus firebox so I dont use firebox on ubuntu studio.can anybody help me.

my device maneger look like



if anybody helps me I'll be happy

thank you.