boot.initrd.availableKernelModules = [ "ehci_pci" "ahci" "usb_storage" "sd_mod" ];

  boot.initrd.availableKernelModules = [ "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];

      options = [ "fmask=0022" "dmask=0022" ];