Das steht im UEFI unter "Boot":
Boot Option Priorities
Boot Option #1: AHCI: P2: HL-DT-ST DVDRAM GH22N
Boot option #2: AHCI: P1: M4-CT128M4SSD2
- Hard Drive BBS Priorities
---- Boot Option #1: AHCI: P1: M4-CT128M4SSD2
---- Boot Option #2: AHCI: P0: SAMSUNG HD103SJ
- CD/DVD Rom Driver BBS Priorities
---- Boot option #1: AHCI: P2: HL-DT-ST DVDRAM GH22N
Setup Promot Timeout: 1
Bootup Num-Lock: On
Full Screen Logo: Enabled
- Addon ROM Display: Enabled
Boot From Onboard LAN: Disabled
Boot Failure Guard: Enabled
Boot Failure Guard Count: 3
Boot Option Priorities
Boot Option #1: AHCI: P2: HL-DT-ST DVDRAM GH22N
Boot option #2: AHCI: P1: M4-CT128M4SSD2
- Hard Drive BBS Priorities
---- Boot Option #1: AHCI: P1: M4-CT128M4SSD2
---- Boot Option #2: AHCI: P0: SAMSUNG HD103SJ
- CD/DVD Rom Driver BBS Priorities
---- Boot option #1: AHCI: P2: HL-DT-ST DVDRAM GH22N
Setup Promot Timeout: 1
Bootup Num-Lock: On
Full Screen Logo: Enabled
- Addon ROM Display: Enabled
Boot From Onboard LAN: Disabled
Boot Failure Guard: Enabled
Boot Failure Guard Count: 3