Special booter commands:
?memory Displays information about the computer's memory.
?video Displays VESA video modes supported by the computer's BIOS.
?norescan Leaves CD-ROM rescan mode.
Additional useful command-line options:
config=<file> Use an alternate Boot.plist file.
Options useful in the com.apple.Boot.plist file:
"Boot Graphics"=Yes|No Use graphics mode or text mode when starting.
"Quiet Boot"=Yes|No Use quiet boot mode (no messages or prompt).
Timeout=8 Number of seconds to pause at the boot: prompt.
"Instant Menu"=Yes Force displaying the partition selection menu.
GUI=No Disable the GUI (enabled by default).
USBBusFix=Yes Enable the EHCI and UHCI fixes (disabled by default).
EHCIacquire=Yes Enable the EHCI fix (disabled by default).
UHCIreset=Yes Enable the UHCI fix (disabled by default).
Wake=No Disable wake up after hibernation (enbaled by default).
ForceWake=Yes Force using the sleepimage (disabled by default).
WakeImage=<file> Use an alternate sleepimage file
(default path is /private/var/vm/sleepimage).
DropSSDT=Yes Skip the SSDT tables while relocating the ACPI tables.
DSDT=<file> Use an alternate DSDT.aml file
(default paths are /DSDT.aml or /Extra/DSDT.aml).
SMBIOSdefaults=No Don't use the Default values for SMBIOS overriding
if /Extra/smbios.plist doesn't exist, factory
values are kept.
Rescan=Yes Enable CD-ROM rescan mode.
"Rescan Prompt"=Yes Prompts for enable CD-ROM rescan mode.