Abstract: In some examples, an electronic device includes a component comprising information, a secure storage, and a controller to generate a digital signature based on the information of the component, and detect a modification of the component based on the digital signature. The controller can also detect a receipt of an invalid credential, and log, to the secure storage, an indication of the modification of the component and an indication of the receipt of the invalid credential.

Abstract: Examples disclosed herein relate to a computing device that includes a central processing unit, a management controller separate from the central processing unit, and a security co-processor. The management controller is powered using an auxiliary power rail that provides power to the management controller while the computing device is in an auxiliary power state. The security co-processor includes device unique data. The management controller receives the device unique data and stores a representation at a secure location. At a later time, the management controller receives endorsement information from an expected location of the security co-processor. The management controller determines whether to perform an action on the computing device based on an analysis of the endorsement information and the stored representation of the device unique data.

Abstract: In some examples, an electronic device includes a component comprising information, a secure storage, and a controller to generate a digital signature based on the information of the component, and detect a modification of the component based on the digital signature. The controller can also detect a receipt of an invalid credential, and log, to the secure storage, an indication of the modification of the component and an indication of the receipt of the invalid credential.

Abstract: Examples disclosed herein relate to a computing device that includes a central processing unit, a management controller separate from the central processing unit, and a security co-processor. The management controller is powered using an auxiliary power rail that provides power to the management controller while the computing device is in an auxiliary power state. The security co-processor includes device unique data. The management controller receives the device unique data and stores a representation at a secure location. At a later time, the management controller receives endorsement information from an expected location of the security co-processor. The management controller determines whether to perform an action on the computing device based on an analysis of the endorsement information and the stored representation of the device unique data.

Abstract: Example implementations relate to automatic diagnostic mode to identify a potential cause of a boot problem of a system. In an example, the automatic diagnostic mode iteratively isolates subsystems of the system in coordination with a baseboard management controller. For each iteration of subsystem isolation, a system boot is executed while a subsystem is isolated. The system boot is monitored against a watchdog timer of the baseboard management controller to determine if the system boot is successful. If the system boot is successful, the isolated subsystem is marked as a potential cause of the boot problem of the system. If the system boot is unsuccessful, the automatic diagnostic mode continues to iteratively isolate the subsystems.

Abstract: Example implementations relate to automatic diagnostic mode to identify a potential cause of a boot problem of a system. In an example, the automatic diagnostic mode iteratively isolates subsystems of the system in coordination with a baseboard management controller. For each iteration of subsystem isolation, a system boot is executed while a subsystem is isolated. The system boot is monitored against a watchdog timer of the baseboard management controller to determine if the system boot is successful. If the system boot is successful, the isolated subsystem is marked as a potential cause of the boot problem of the system. If the system boot is unsuccessful, the automatic diagnostic mode continues to iteratively isolate the subsystems.

Abstract: Examples disclosed herein relate to an approach to take a startup inventory of a computing including multiple startup components, where the startup inventory includes information about the at least one processing element, at least one memory device, a system board, and a bus device on a bus. The startup inventory is compared to a stored inventory taken when the computing device was put into a first mode to determine whether the startup inventory and the stored inventory match. A security action is performed in response to the comparison.

Abstract: A system includes a mechanism to detect addition of a memory module. In response to the addition of the memory module, a memory test is run to test the new memory module for a defect. If an uncorrectable error is detected, a routine is activated to process the error. Depending on whether the defect occurred in the new memory module or existing memory module(s), different processing is performed.

Abstract: A system includes a mechanism to detect addition of a memory module. In response to the addition of the memory module, a memory test is run to test the new memory module for a defect. If an uncorrectable error is detected, a routine is activated to process the error. Depending on whether the defect occurred in the new memory module or existing memory module(s), different processing is performed.