Automatic Mirror ROM
JP2025517964A5Active Publication Date: 2026-05-29ADVANCED MICRO DEVICES INC
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- ADVANCED MICRO DEVICES INC
- Filing Date
- 2023-05-24
- Publication Date
- 2026-05-29
AI Technical Summary
Technical Problem
Existing computing devices with backup ROM chips require manual intervention for failure detection and switching, disrupting normal device operation.
Method used
A system and method for automatically disconnecting a failed first ROM device and connecting a mirrored second ROM device to a common output, using a control circuit to detect failures and switch outputs seamlessly.
Benefits of technology
Enables automatic and seamless switching from a failed primary ROM to a backup ROM without requiring reconfiguration or reboot, enhancing system stability and reducing user intervention.
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Smart Images
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Abstract
The disclosed method may include a control circuit coupled to a first read-only memory (ROM) device and a second ROM device detecting a failure of a first output signal from the first ROM device to a common output. The first ROM device is connected to the common output, and the second ROM device is disconnected from the common output. The method also includes, in response to detecting the failure, the control circuit switching the common output from the first ROM device to the second ROM device. Various other methods, systems, and computer-readable media are also disclosed.
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