HP Business Notebook HP_TOOLS Partition Guidelines
4
5. EFI Power Management 
ThereisnopowermanagementunderEFIshell.Therewillbesomethermal
management.
6. How BIOS Launches EFI and Other Preboot 
Applications 
For HP Signed Preboot Applications 
TheHPsignedprebootapplications;theexecutablefileandthe
“filename.sig”signaturefilearestoredinthesamesubdirectory.
Incurrentimplementation,therearehotkeys(notedbelow)definedforHP
certainprebootapplications.
  isusedtolaunchtheQuickLookEFIapplication.Thisbuttoncanlaunch
QuickLookfromS5,S4.BIOShasanoptiontodisabletheQuickLook
launch.Ifdisabled,pressingthebuttondoesnothing.
F2 isusedtolaunchtheDiagnosticEFIapplicationduringPOST.F2willnot
wakethesystemfromS5orS4.ItcanonlybepressedduringPOST
whentheBIOShotkeysareondisplay.
 isusedtolaunchtheQuickWeb.ThisbuttoncanlaunchQuickWebfrom
S5andS4.BIOShasanoptiontodisabletheQuickWeblaunch.If
disabled,pressingthebuttondoesnothing.
Note:
ThesehotkeyswillonlylaunchthedesignatedsignedHPEFIandpreboot
applications.PleasecontacttheBusinessNotebookBIOSteamtodefineand
assignahotkeyforaspecificEFIapplication.






