| 1 | The boot: prompt waits for you to type advanced startup options.␊ |
| 2 | If you don't type anything, the computer continues starting up normally. It␊ |
| 3 | uses the kernel and configuration files on the startup device, which it also␊ |
| 4 | uses as the root device. ␊ |
| 5 | ␊ |
| 6 | Advanced startup options use the following syntax:␊ |
| 7 | ␊ |
| 8 | [device]<kernel> [arguments]␊ |
| 9 | ␊ |
| 10 | Example arguments include␊ |
| 11 | ␊ |
| 12 | device: rd=<BSD device name> (e.g. rd=disk0s2)␊ |
| 13 | rd=*<IODeviceTree path> (e.g. rd=*/PCI0@0/CHN0@0/@0:1)␊ |
| 14 | ␊ |
| 15 | kernel: kernel name (e.g. "mach_kernel" - must be in "/" )␊ |
| 16 | ␊ |
| 17 | flags: -v (verbose) -s (single user mode), ␊ |
| 18 | -x (safe mode) -F (ignore boot configuration file)␊ |
| 19 | ␊ |
| 20 | keystrokes :␊ |
| 21 | F8 Abort quiet mode, and display the menu.␊ |
| 22 | alt+f Old safe mode␊ |
| 23 | shift+f Ignore boot configuration file␊ |
| 24 | alt+s Single user mode ␊ |
| 25 | alt+v Verbose␊ |
| 26 | alt+x Safe mode␊ |
| 27 | alt+l Legacy mode (not sure why you need this)␊ |
| 28 | 6+4 64-bit␊ |
| 29 | 3+2 32-bit␊ |
| 30 | ␊ |
| 31 | "Graphics Mode"="WIDTHxHEIGHTxDEPTH" (e.g. "1024x768x32")␊ |
| 32 | ␊ |
| 33 | kernel flags (e.g. debug=0x144)␊ |
| 34 | io=0xffffffff (defined in IOKit/IOKitDebug.h)␊ |
| 35 | ␊ |
| 36 | Example: mach_kernel rd=disk0s1 -v "Graphics Mode"="1920x1200x32"␊ |
| 37 | ␊ |
| 38 | If the computer won't start up properly, you may be able to start it up ␊ |
| 39 | using safe mode. Type -x to start up in safe mode, which ignores all ␊ |
| 40 | cached driver files.␊ |
| 41 | ␊ |
| 42 | Special booter hotkeys:␊ |
| 43 | F5 Rescans optical drive.␊ |
| 44 | F10 Scans and displays all BIOS accessible drives.␊ |
| 45 | ␊ |
| 46 | Special booter commands:␊ |
| 47 | ?memory Displays information about the computer's memory.␊ |
| 48 | ?video Displays VESA video modes supported by the computer's BIOS.␊ |
| 49 | ?norescan Leaves optical drive rescan mode.␊ |
| 50 | ␊ |
| 51 | Additional useful command-line options:␊ |
| 52 | config=<file> Use an alternate Boot.plist file.␊ |
| 53 | ␊ |
| 54 | Options useful in the com.apple.Boot.plist file:␊ |
| 55 | Wait=Yes|No Prompt for a key press before starting the kernel.␊ |
| 56 | "Quiet Boot"=Yes|No Use quiet boot mode (no messages or prompt).␊ |
| 57 | Timeout=8 Number of seconds to pause at the boot: prompt.␊ |
| 58 | "Instant Menu"=Yes Force displaying the partition selection menu. ␊ |
| 59 | ␊ |
| 60 | "Default Partition" Sets the default boot partition,␊ |
| 61 | =hd(x,y) where 'x' & 'y' are the disk and partition numbers.␊ |
| 62 | "Hide Partition" Remove unwanted partition(s) from the boot menu.␊ |
| 63 | =hd(x,y) [hd(m,n)] only non mac osx boot partitions can be hidden.␊ |
| 64 | ␊ |
| 65 | "Rename Partition" Rename partition(s) for the boot menu.␊ |
| 66 | =hd(x,y) <alias> [;hd(m,n) <alias2> ...]␊ |
| 67 | ␊ |
| 68 | GUI=No Disable the GUI (enabled by default).␊ |
| 69 | "Boot Banner"=Yes|No Show boot banner in GUI mode (enabled by default).␊ |
| 70 | "Legacy Logo"=Yes|No Use the legacy grey apple logo (disabled by default).␊ |
| 71 | ␊ |
| 72 | PciRoot=<value> Use an alternate value for PciRoot (default value 0).␊ |
| 73 | ␊ |
| 74 | GraphicsEnabler=Yes|No Automatic device-properties generation for gfx cards.␊ |
| 75 | UseAtiROM=Yes|No Use an alternate Ati ROM image ␊ |
| 76 | (path: /Extra/<vendorid>_<devid>.rom)␊ |
| 77 | UseNvidiaROM=Yes|No Use an alternate Nvidia ROM image ␊ |
| 78 | (path: /Extra/<vendorid>_<devid>.rom)␊ |
| 79 | VBIOS=Yes|No Inject VBIOS to device-properties.␊ |
| 80 | ␊ |
| 81 | EthernetBuiltIn=Yes|No Automatic "built-in"=yes device-properties generation␊ |
| 82 | for ethernet interfaces.␊ |
| 83 | ␊ |
| 84 | USBBusFix=Yes Enable the EHCI and UHCI fixes (disabled by default).␊ |
| 85 | USBLegacyOff=Yes Enable the force USB legacy off fix (disabled by default).␊ |
| 86 | EHCIacquire=Yes Enable the EHCI fix (disabled by default).␊ |
| 87 | UHCIreset=Yes Enable the UHCI fix (disabled by default).␊ |
| 88 | ForceHPET=Yes|No Force Enable HPET.␊ |
| 89 | ␊ |
| 90 | Wake=No Disable wake up after hibernation (default: enabled).␊ |
| 91 | ForceWake=Yes Force using the sleepimage (disabled by default).␊ |
| 92 | WakeImage=<file> Use an alternate sleepimage file. ␊ |
| 93 | (default path is /private/var/vm/sleepimage).␊ |
| 94 | ␊ |
| 95 | UpdateACPI=Yes Upgrade automatically ACPI V1 tables to ACPI V4 tables.␊ |
| 96 | DropSSDT=Yes Skip the SSDT tables while relocating the ACPI tables.␊ |
| 97 | DropHPET=Yes Skip the HPET table while relocating the ACPI tables.␊ |
| 98 | DropSLIC=Yes Skip the SLIC table while relocating the ACPI tables.␊ |
| 99 | DropSBST=Yes Skip the SBST table while relocating the ACPI tables.␊ |
| 100 | DropECDT=Yes Skip the ECDT table while relocating the ACPI tables.␊ |
| 101 | DropASFT=Yes Skip the ASF! table while relocating the ACPI tables.␊ |
| 102 | DropDMAR=Yes Skip the DMAR table while relocating the ACPI tables.␊ |
| 103 | oemDSDT=Yes Use the standard DSDT and ACPI tables.␊ |
| 104 | oemSSDT=Yes Use the standard SSDT tables.␊ |
| 105 | oemHPET=Yes Use the standard HPET table.␊ |
| 106 | oemSBST=Yes Use the standard SBST table.␊ |
| 107 | oemECDT=Yes Use the standard ECDT table.␊ |
| 108 | oemASFT=Yes Use the standard ASF! table.␊ |
| 109 | oemDMAR=Yes Use the standard DMAR table.␊ |
| 110 | oemAPIC=Yes Use the standard APIC table.␊ |
| 111 | oemMCFG=Yes Use the standard MCFG table.␊ |
| 112 | DSDT=<file> Use an alternate DSDT.aml file ␊ |
| 113 | (default path: /DSDT.aml /Extra/DSDT.aml).␊ |
| 114 | SSDT=<file_prefix> Use alternative DSDT-X.aml file prefix␊ |
| 115 | (default prefix: /SSDT /Extra/SSDT).␊ |
| 116 | HPET=<file> Use an alternate HPET.aml file ␊ |
| 117 | (default path: /HPET.aml /Extra/HPET.aml).␊ |
| 118 | SBST=<file> Use an alternate SBST.aml file ␊ |
| 119 | (default path: /SBST.aml /Extra/SBST.aml).␊ |
| 120 | ECDT=<file> Use an alternate ECDT.aml file ␊ |
| 121 | (default path: /ECDT.aml /Extra/ECDT.aml).␊ |
| 122 | ASFT=<file> Use an alternate ASFT.aml file ␊ |
| 123 | (default path: /ASFT.aml /Extra/ASFT.aml).␊ |
| 124 | DMAR=<file> Use an alternate DMAR.aml file ␊ |
| 125 | (default path: /DMAR.aml /Extra/DMAR.aml).␊ |
| 126 | APIC=<file> Use an alternate APIC.aml file ␊ |
| 127 | (default path: /APIC.aml /Extra/APIC.aml).␊ |
| 128 | MCFG=<file> Use an alternate MCFG.aml file ␊ |
| 129 | (default path: /MCFG.aml /Extra/MCFG.aml).␊ |
| 130 | FADT=<file> Use an alternate FADT.aml file ␊ |
| 131 | (default path: /FADT.aml /Extra/FADT.aml).␊ |
| 132 | ␊ |
| 133 | SMBIOS=<file> Use an alternate smbios.plist file ␊ |
| 134 | (default path: /smbios.plist /Extra/smbios.plist␊ |
| 135 | bt(0,0)/Extra/smbios.plist).␊ |
| 136 | ␊ |
| 137 | SMBIOSdefaults=No Don't use the Default values for SMBIOS overriding␊ |
| 138 | if smbios.plist doesn't exist, factory␊ |
| 139 | values are kept.␊ |
| 140 | ␊ |
| 141 | "Scan Single Drive" Scan the drive only where the booter got loaded from.␊ |
| 142 | =Yes|No Fix rescan pbs when using a DVD reader in AHCI mode. ␊ |
| 143 | Rescan=Yes Enable CD-ROM rescan mode.␊ |
| 144 | "Rescan Prompt"=Yes Prompts for enable CD-ROM rescan mode.␊ |
| 145 | SystemId=<UUID> Set manually the system id UUID,␊ |
| 146 | SMUUID in smbios config (reserved field) isn't used.␊ |
| 147 | SystemType=<n> Set the system type where n is between 0..6␊ |
| 148 | (default =1 (Desktop)␊ |
| 149 | |
