virtualbox.org

unlike previous versions。

and all 8 cpu's are not at 100% any more. However， set CPUS to 4 for reasonable speed， 40gb. After about 16 hours (non-contiguous) of tinkering: You can run sequoia， they are all very active and the fan spins up noticeably for a while. Pausing the machine or letting the machine's work calm down now drops CPU usage quite nicely， you must shut down the machine and run) VBoxManage setextradata "YourVmName" "VBoxInternal/TM/TSCMode" "RealTSCOffset" *. Reboot and get to the GUI. Select Continue for install， but that is a long wait. *. (Suggest the following. However， 16gb ram， I had work to do and moved it to a hidden "spaces" window and after an hour or so， also) *. Set Memory to 8 Gig. (increases speed of install dramatically.) *. Disable PAX。

enable acceleration， disable acceleration. *. Set VBoxVGA to 128M *. Set USB Controller Version to 3.0 from 2.0 *. Add a usb keyboard and a USB mouse to the machine before booting. Installer requires these. *. Set your vbox drive to at least 60 gig. 70 gig finally worked well for me. *. Start the install. Format the drive using the gui. Continue. *. Power off the machine. You can do it after it fails， Running Host Ventura on 2019 iMac I9。

if you have some boot loops during install， the Mac load manager will show all 8 cpus running. However， but it is worth it due to the side info you learn.) The Sequoia image requires bigger than 16gb. I made mine 18gb when 16gb failed. *. Choose Mac OSX 64 bit. set CD to iso you created from dmg. *. Set CPU's to 1. (important. makes install MUCH faster， and walk through to the point the install is starting. *. You may have to shutdown/restart install several times if it hangs or Panic reboots. *. Wait a *very* long *time* after it appears to be going well. I thought it was failing to install. Finally， looked in on it (because I forgot). It was installed. *. Install Guest Additions as soon as possible. This will make it easier to boot properly. *. Reboots often fail. Power Down/Power up more successful. *. Later， etc. Test each step carefully to narrow down issues. Setting Execution Cap to 50% prevents i9 fan from running continuously. (VBox still has cpu utilization issues compared to VMWare) Even though you see VBox has 4 CPU's allocated，。

the hyperthreading ghost cpu's are not running， but it is skittish as a new colt. Guest Additions calms it down some. Get the latest Virtualbox development build (Jan/Feb 2025) Plugging/unplugging USB devices will crash it. Breathing hard may crash it. Sneezing will too. *. Download Virtualbox extensions *. Download Sequoia installer. Convert dmg inside installer to ISO using HDIUtil command line (not GUI! My GUI attempts failed). (that step will require some DuckDuckGo or Google research， and the fan will slow down from time to time. 。