US Patent 8434155 Pre-boot protected memory channel

Machine readable media, methods, and computing devices are disclosed which establish a protected memory channel between an operating system loader of a user partition and services of a management partition. One computing device includes protected storage, read only memory, firmware, a storage device and a processor. The storage device is to store the virtual machine monitor and an operating system having an operating system loader. The virtual machine monitor is to establish a protected memory channel between the one or more integrity services of a management partition and the operating system loader of a user partition in response to measuring and verifying the operating system loader based upon the manifest. The processor is to execute the code of the read only memory, the firmware, the virtual machine monitor, the operating system, the operating system loader, the management partition, and the user partition.