IT Governance, Risk, and Compliance

Jun 28 2012   12:00AM GMT

IT Equipment Functionality and Integrity Checks – Part II



Posted by: Robert Davis
Tags:
Configuration Management
Digital Storage Devices
Hardware Controls
Information Security
Infrastructure Management
IT Hardware
Risk Management

Forms of automatic error diagnosis routines

Automatic error diagnosis is utilized by several hardware configuration components. A typical application is the installation of Central Processing Unit (CPU) circuitry to diagnosis data parity errors identified in the CPU and linked storage areas. Furthermore, the CPU may have self-diagnostic capabilities to reveal defective circuitry or memory. In some instances, as a corrective measure, the CPU may be able to route operations and storage around defective configuration components.

Automatic error diagnosis is also utilized to identify faulty magnetic tape read/write heads. In this scenario, the CPU checks the read/write head during an assigned task to ensure that the current is flowing through the device. With a positive check, it is assumed that reading and writing is taking place during inspection. Conversely, with a negative check, it is assumed that reading and writing is not taking place during inspection.

View Part I of the IT Equipment Functionality and Integrity Checks series here

Post Note: “IT Equipment Functionality and Integrity Checks – Part II” was originally published through Suite101.com under the title “IT Equipment Functionality and Integrity Checks”

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