BIOS Multi-Frequency Audio Error Signaling
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Solution Overview
Problem
Traditional BIOS error signaling in information handling systems is limited, as it relies on difficult-to-decipher monotone beeps, making it challenging for users and technicians to identify errors during execution.
Innovation Solution
Implementing a BIOS that uses multi-frequency audio signals to encode error identities, which are played back through audio speakers, allowing listening devices to decode and display or communicate the error for remedial actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional monotone beeps are used for error signaling, then the system can report errors during BIOS execution, but the error identity is difficult to decipher for users and technicians
Solution Approach 1:
The patent changes the parameters of the audio signal from monotone to multi-frequency tones. By varying the frequency content of the beep signals, the system encodes error identities in a way that is more distinguishable and easier to decipher, while still using the same audio output mechanism
Solution Approach 2:
The patent makes the audio speaker serve multiple functions: it not only reports that an error has occurred but also encodes and communicates the specific error identity through multi-frequency patterns. This single component performs both error detection notification and detailed error identification
Data Source
AI summary
An information handling system may include a processor, one or more audio speakers configured to play back audible audio signals, and a basic input/output system (BIOS) comprising a program of instructions comprising boot firmware configured to be the first code executed by the processor when the information handling system is booted or powered on in order to initialize the information handling system for operation. The BIOS may be further configured to monitor for an error occurring during execution of the BIOS and responsive to an error occurring during execution of the BIOS, cause the one or more audio speakers to play back a sequence of one or more multi-frequency audio signals encoding an identity of the error.