first a big thanks to tytanik for this great OS. using it a few days and it is really easy to use! i also managed to flash my cards via command line. here my small how to on mac.
- terminal -> ssh miner@ip
- screen -x miner
- ctrl+c till screen quits (it is really important that your gpus aren't mining!!!)
- sudo su
- dmesg -c (tytaniks reboot mechanism if something isn't right)
- cd /root/utils
- ./atiflash -ia 0 (if everything is okay, atiflash should show you some informations about your gpu)
- ./atiflash -s 0 backup0.rom (you can repeat this for every gpu)
now open another terminal tab and do this:
- scp miner@ip:/root/utils/backup0.rom /Local/Target/Destination (this will save the backup0.rom to your mac)
now you need to edit the backup0.rom file with PBE v1.6
https://github.com/jaschaknack/PolarisBiosEditorwhen you are ready editing your *.rom just save it and upload your file with the following command at the last terminal tab
- scp /Local/Target/Destination/*.rom miner@ip:/root/utils
now your modded rom file was uploaded to /root/utils. switch back to the ssh session in terminal and proceed to flash your card/s.
- atiflash -p 0 *.rom
if you have more than one gpu i would suggest to flash at first just one card and reboot the system after the flashing process. check if the modded card shows some good results, if so proceed to flash the rest of your cards.
And remember, I'm not responsible for anything you do! 
