-<%- if %w{amdahl arm-conova-01 arm-conova-02 arm-arm-01}.include?(@hostname) then -%>
+<%- if %w{amdahl arm-conova-01 arm-conova-02 arm-arm-01 arm-ubc-01 arm-ubc-02 arm-ubc-03}.include?(@hostname) then -%>
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX console=ttyAMA0,115200n8"
<%- elsif %w{arm-arm-03}.include?(@hostname) then -%>
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX console=ttyS0,115200"