Hot Swap Media Socket Power Control Circuit
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Solution Overview
Problem
Conventional hot swapping of swap media in computing devices can cause damage due to contact with powered pins, leading to physical destruction, data loss, or generation of false signals, especially when media is removed or reinserted while the device is active.
Innovation Solution
A computing device with a swap media socket, a power supply that can be disconnected during media removal, a swap media detect apparatus, and a processor that controls the power supply to prevent damage by turning it off during removal and cycling it back on during reinsertion, ensuring safe swapping without disrupting the device's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hot swapping of swap media is performed while the device remains active, then convenience and time efficiency are improved, but damage to the swap media may occur due to contact with powered pins
Solution Approach 1:
The system performs preliminary detection to identify when swap media is being removed or inserted, and preemptively powers down the swap media socket before the media is fully disconnected. This prevents contact between powered pins and exposed contact pads during the swapping process, eliminating damage while maintaining hot swapping capability
Solution Approach 2:
The system uses a swap media detect apparatus to continuously monitor the presence and state of swap media in the socket. When removal or insertion is detected, the system provides feedback to the processor, which then controls the power supply to appropriately power down or up the socket, preventing damage during transitions
2Object-affected harmful factors
If the power supply is disconnected during swap media removal to prevent damage, then safety is improved, but the device requires additional control mechanisms increasing complexity
Solution Approach 1:
The swap media detect apparatus automatically monitors the socket state and triggers power supply control without requiring manual intervention or complex external control systems. The system serves itself by detecting media presence/absence and autonomously managing power to the socket, preventing damage while maintaining relatively simple architecture
Solution Approach 2:
The detection apparatus and power control functions are integrated into the existing device architecture, combining media detection, processing, and power management into a coordinated system. This merging reduces overall complexity compared to having separate independent control mechanisms while still achieving safe hot swapping
Data Source
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AI summary
A computing device enabled for hot swapping media, and method therefore, are provided. The computing device comprises: a swap media socket; a power supply for powering the swap media socket; a swap media detect apparatus enabled to undergo a state change when swap media removal occurs at the swap media socket; a switch in communication with the swap media detect apparatus, the switch enabled to disconnect the power supply from the swap media socket in response to the state change; and a processor in communication with the swap media detect apparatus, the processor enabled to turn off the power supply in response to the state change.