In the need to disable/remove the not configured ata5, ata6, ata7 and ata8 devices, I was looking for a list of available Boot flags for Parallels Desktop for Mac.

So far I found this list:

devices.apic.disable=0 # workaround to run Solaris installation, after installation a pic can be enabled
devices.net.track_link_status=0 # for network link connect/disconnect issues
devices.net.force_adapter_type=rtl # force realtek network adapter
devices.usb.ehc=0 # disable EHCI interface (USB 2.)
devices.usb.enable_mouse=0 # disable virtual mouse
devices.usb.keyboard=0 # disable virtual keyboard
devices.video.pci_device_id=0x5005 # workaround for issue with black screen in Windows 8 with guest tools installed
kernel.waet.enable=0 # disable Windows ACPI Emulated Device Table
video.dx_cmp=0 # workaround for crash if you attempt to go into character customization
video.dx_profile=6 # force Windows 7 Aero compatibility at the cost of possible 3D problems
vm.app_mode=32 # set your virtual machine process to run in 32-bit mode
vm.compat_level=2 # workaround for Blue screen of Death STOP 0x7B or System Repair screen
vm.mem_anonymous=0 # workaround for crash with host server 4.0 and guest mac os x server 10.6.5 < 10H574

Is there a more complete list of (all) "Boot flags" available for "Parallels Desktop for Mac"?


That list is very helpful! Some more options, but without comments or context, can be found like this:

pcregrep --buffer-size 512000 -e "\\x00((?:[a-z0-9-_]+\\.)+[a-z0-9-_]+)\\x00" -o --text /Applications/Parallels\ Desktop.app/Contents/MacOS/Parallels\ VM.app/Contents/MacOS/prl_vm_app
  • Thanks for your helpful answer. Note that --buffer-size 2M will suppress the "is too long for the internal buffer" error for a 29M sized /prl_vm_app. The answer will be more helpfull if there is a command that does not output the irrelevant strings. Like a filter for lines that start with devices. kernel. video. or vm.. – Pro Backup Oct 8 '20 at 15:54
  • 1
    I would also like pcregrep --buffer-size 2M -e "\\x00((devices\\.|kernel\\.|video\\.|vm\\.)+(?:[a-z0-9-_]+\\.)+[a-z0-9-_]+)\\x00" -o --text /Applications/Parallels\ Desktop.app/Contents/MacOS/Parallels\ VM.app/Contents/MacOS/prl_vm_app | sort for a nicely sorted list of suspects. – Pro Backup Oct 8 '20 at 16:07

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