timeout=10 default=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_TIMEOUT_STYLE='countdown' submenu 'UEFI Boot from hard drive' { insmod part_gpt insmod chain # The EFI bootloader is located in /boot/efi/EFI/centos/ # /boot/efi being the mount # /dev/sda1 307016 9680 297336 4% /boot/efi set root=(hd0,gpt1) chainloader /EFI/centos/grubx64.efi } # Standard Controller menu submenu 'UEFI Standard Controller' { menuentry 'Serial Console' { linuxefi vmlinuz bootifonly=1 devfs=nomount inst.repo=xxxHTTP_URLxxx inst.ks=xxxHTTP_URLxxx/pxeboot_controller.cfg ksdevice=$net_default_mac BOOTIF=$net_default_mac boot_device=sda rootfs_device=sda biosdevname=0 inst.text serial console=ttyS0,115200n8 inst.gpt security_profile=standard user_namespace.enable=1 initrdefi initrd.img } menuentry 'Graphical Console' { linuxefi vmlinuz bootifonly=1 devfs=nomount inst.repo=xxxHTTP_URLxxx inst.ks=xxxHTTP_URLxxx/pxeboot_controller.cfg ksdevice=$net_default_mac BOOTIF=$net_default_mac boot_device=sda rootfs_device=sda biosdevname=0 inst.text console=tty0 inst.gpt security_profile=standard user_namespace.enable=1 initrdefi initrd.img } } # AIO Controller menu submenu 'UEFI All-in-one Controller' { menuentry 'Serial Console' { linuxefi vmlinuz bootifonly=1 devfs=nomount inst.repo=xxxHTTP_URLxxx inst.ks=xxxHTTP_URLxxx/pxeboot_smallsystem.cfg ksdevice=$net_default_mac BOOTIF=$net_default_mac boot_device=sda rootfs_device=sda biosdevname=0 inst.text serial console=ttyS0,115200n8 inst.gpt security_profile=standard user_namespace.enable=1 initrdefi initrd.img } menuentry 'Graphical Console' { linuxefi vmlinuz bootifonly=1 devfs=nomount inst.repo=xxxHTTP_URLxxx inst.ks=xxxHTTP_URLxxx/pxeboot_smallsystem.cfg ksdevice=$net_default_mac BOOTIF=$net_default_mac boot_device=sda rootfs_device=sda biosdevname=0 inst.text console=tty0 inst.gpt security_profile=standard user_namespace.enable=1 initrdefi initrd.img } } # AIO (lowlatency) Controller menu submenu 'UEFI All-in-one (lowlatency) Controller' { menuentry 'Serial Console' { linuxefi vmlinuz bootifonly=1 devfs=nomount inst.repo=xxxHTTP_URLxxx inst.ks=xxxHTTP_URLxxx/pxeboot_smallsystem_lowlatency.cfg ksdevice=$net_default_mac BOOTIF=$net_default_mac boot_device=sda rootfs_device=sda biosdevname=0 inst.text serial console=ttyS0,115200n8 inst.gpt security_profile=standard user_namespace.enable=1 initrdefi initrd.img } menuentry 'Graphical Console' { linuxefi vmlinuz bootifonly=1 devfs=nomount inst.repo=xxxHTTP_URLxxx inst.ks=xxxHTTP_URLxxx/pxeboot_smallsystem_lowlatency.cfg ksdevice=$net_default_mac BOOTIF=$net_default_mac boot_device=sda rootfs_device=sda biosdevname=0 inst.text console=tty0 inst.gpt security_profile=standard user_namespace.enable=1 initrdefi initrd.img } }