fi
if [ "x$is_first_entry" = xtrue ]; then
- linux_entry "Serial Console: ${OS}" "${version}" simple \
+ linux_entry "Serial Console: ${OS}" "${version}" serial \
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} console=ttyS0,115200n8"
submenu_indentation="\t"