diff --git a/samples/subsys/usb/cdc_acm/prj.conf b/samples/subsys/usb/cdc_acm/prj.conf
index 2f48919..51ed330 100644
--- a/samples/subsys/usb/cdc_acm/prj.conf
+++ b/samples/subsys/usb/cdc_acm/prj.conf
@@ -1,11 +1,19 @@
 CONFIG_STDOUT_CONSOLE=y
+CONFIG_SYS_LOG=y
 CONFIG_GPIO=y
 CONFIG_ARC_INIT=n
 CONFIG_USB=y
 CONFIG_USB_DEVICE_STACK=y
-CONFIG_SYS_LOG_USB_DRIVER_LEVEL=0
+CONFIG_SYS_LOG_USB_DRIVER_LEVEL=1
 CONFIG_USB_CDC_ACM=y
-CONFIG_SYS_LOG_USB_LEVEL=0
+CONFIG_SYS_LOG_USB_LEVEL=1
 CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_UART_LINE_CTRL=y
+
+CONFIG_USB_COMPOSITE_DEVICE=n
+
+CONFIG_USB_MASS_STORAGE=n
+CONFIG_SYS_LOG_USB_MASS_STORAGE_LEVEL=1
+#RAM DISK
+CONFIG_DISK_ACCESS_RAM=n