userdoc:boot-bios-uefi

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userdoc:boot-bios-uefi [2022/04/24 12:55]
abelbeck 		userdoc:boot-bios-uefi [2022/05/15 19:05]
abelbeck
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 ====== Boot Mode: Legacy BIOS or UEFI ====== ====== Boot Mode: Legacy BIOS or UEFI ======
  
-!!AstLinux 1.4.5 or earlier!! only supports Legacy BIOS booting.+!!AstLinux 1.4.5 or earlier!! only supports Legacy BIOS (non-UEFI) booting.
  
-AstLinux's SSD has a FAT16 formatted 1st partition marked as bootable with a master boot record (MBR).  Hardware Legacy BIOS will jump to ''syslinux'' installed on the FAT16 partition which in turn calls RUNNIX (minimal Linux kernel also on the FAT16 partition), and lastly ''kexec'' the desired AstLinux run image.+The AstLinux disk has a FAT16 formatted 1st partition marked as bootable with a master boot record (MBR).  Legacy BIOS hardware will jump to ''syslinux'' installed on the FAT16 partition which in turn calls RUNNIX (minimal Linux kernel also on the FAT16 partition), and lastly ''kexec'' the desired AstLinux run image.
  
 New installations of !!AstLinux 1.4.6 or later!! support both Legacy BIOS booting and UEFI booting.  These new installations include RUNNIX ''0.6.10'' or later. New installations of !!AstLinux 1.4.6 or later!! support both Legacy BIOS booting and UEFI booting.  These new installations include RUNNIX ''0.6.10'' or later.
  
-!!RUNNIX 0.6.10 or later!! is required to boot with UEFI. +!!RUNNIX 0.6.10 or later!! is required to boot using UEFI.
- +
-For the UEFI case, the FAT16 formatted 1st partition contains the file path ''EFI/BOOT/bootx64.efi'' generated by ''syslinux''.  This ''EFI/BOOT/bootx64.efi'' is the "fallback" boot loader pathname that UEFI firmware on 64-bit X86 systems supports.+
  
 +For the UEFI case, the FAT16 formatted 1st partition contains the file path ''EFI/BOOT/bootx64.efi'' generated by ''syslinux''.  This ''EFI/BOOT/bootx64.efi'' is the "fallback" boot loader path-name that UEFI firmware on 64-bit x86 systems support.
  
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   mount -o rw,remount /oldroot/cdrom   mount -o rw,remount /oldroot/cdrom
 +  
   mkdir -p /oldroot/cdrom/EFI/BOOT   mkdir -p /oldroot/cdrom/EFI/BOOT
 +  
   mount -o ro,remount /oldroot/cdrom   mount -o ro,remount /oldroot/cdrom
-  upgrade-RUNNIX-image upgrade https://lonnie.abelbeck.com/runnix-efi+   
 +  upgrade-RUNNIX-image upgrade
  
-Then reboot and enter your hardware's BIOS Setup and enable ''UEFI'' or ''UEFI only''.  Save and boot, you should now boot with UEFI.+Then reboot and enter your hardware's BIOS Setup and enable ''UEFI'' or ''UEFI only''.  Save and boot, you should now boot using UEFI.
  
  
  • userdoc/boot-bios-uefi.txt
  • Last modified: 2022/05/31 08:20
  • by abelbeck