Performing diagnostic tests of computer devices while operating system is running

摘要

A system and method of performing diagnostic tests of computer devices, including but not limited to memory, while the operating system is running, is presented. One embodiment comprises making a device unavailable for use by a running operating system; making a processor unavailable for use by the running operating system; and running a diagnostic test of the device, the processor executing the diagnostic test to determine whether the device is functioning acceptably, while the processor and the device are unavailable for use by the running operating system.