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Creation

macOS

To add a new drive, click “New…” on the sidebar under “Drives”.

iOS

To add a new drive, tap the “+” button on the top left in the main settings menu and select “Import Drive” or “New Drive”.

Importing

iOS When importing a drive, a removable drive will be created and the selected image will be associated with the new drive.

macOS When importing a drive that is non-removable and not a raw image, the selected image will first be converted to the QCOW2 format.

Deletion

macOS

To delete a drive, right/secondary click the drive on the left toolbar and select “Delete”.

iOS

To delete a drive, swipe left on the drive and tap “Delete”.

When you delete a non-removable drive, the data will be deleted as well. If the drive is removable, no data is deleted.

Boot Order

The boot order of devices are in the order they appear on the list.

macOS

To change the drive order, either right/secondary click the drive on the left toolbar and select “Move Up”/”Move Down” or drag and drop the drive in the desired order.

iOS

To change the drive order, tap “Edit” on the top right and you can drag and drop the drive entries.

Removable Drive

Non-removable drives are stored in the .utm package. Removable drives only store a bookmark to the drive image and should be used for ISOs and other disk images.

Interface

This is the hardware interface to connect this drive to. Typical users do not need to change from the default interface.

Image Type

  • None This drive is not used at all.
  • Disk Image The drive will be mounted in the bus specified in “interface” with a non-removable media type.
  • CD/DVD (ISO) Image The drive will be mounted in the bus specified in “interface” with a removable media type.
  • Deprecated BIOS “Interface” is ignored and no drive is emulated. The image will be passed to QEMU through the -bios argument.
  • Deprecated Linux Kernel “Interface” is ignored and no drive is emulated. The image will be passed to QEMU through the -kernel argument.
  • Deprecated Linux RAM Disk “Interface” is ignored and no drive is emulated. The image will be passed to QEMU through the -initrd argument.
  • Deprecated Linux Device Tree Binary “Interface” is ignored and no drive is emulated. The image will be passed to QEMU through the -dtb argument.

Size

When creating a new image, this is the size of the new image. You can toggle between “MB” (mebibyte) or “GB” (gibibyte).

Raw Image

If selected, a raw empty image will be created inside the .utm package. If the host file system containing the .utm is APFS, then a sparse file will be created (zeros will not take space).

If not selected, a QCOW2 disk image will be created inside the .utm package. The QCOW2 format will grow as the disk image grows.


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