Floating Device Location Identification via Chassis Engagement
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Solution Overview
Problem
The use of 'floating' riser cards in server computing devices, which utilize cabled connections instead of traditional card edge/connector slots, complicates factory assembly, service, and management due to the loss of direct location identification enabled by fixed motherboard connector slots.
Innovation Solution
An Information Handling System (IHS) with a chassis featuring floating device housings and respective location identification features, a processing system, and a memory system that includes instructions to provide a device location identification engine to receive and transmit location information based on engagement of chassis elements, allowing for relative location identification of floating devices within the chassis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cabled connections are used to replace traditional card edge/connector slots, then signal transmission speed and integrity are improved, but location identification capability is lost
Solution Approach 1:
The patent introduces an intermediary location identification system consisting of chassis location identification features and device location identification subsystems. These intermediaries bridge the gap between the floating device and the chassis, enabling location identification without requiring direct physical connection between the device and fixed motherboard slots. The subsystems communicate location information through the cabled connection infrastructure, thus maintaining signal transmission integrity while recovering location identification capability.
2Adaptability or versatility
If floating device housings are used to allow flexible positioning, then adaptability is improved, but device location identification becomes more difficult
Solution Approach 1:
The patent implements preliminary action by pre-configuring unique location identification features in the chassis at each possible floating device housing location. These features are established in advance during manufacturing, creating a predetermined location identification infrastructure. When a floating device is installed, its location can be quickly determined by detecting which pre-configured features are engaged, eliminating the need for complex real-time location detection algorithms.
3Ease of operation
If direct connection to fixed motherboard slots is used, then location identification is simplified, but device mobility and reconfigurability are reduced
Solution Approach 1:
The patent applies segmentation by separating the location identification function from the signal transmission function. The location identification features are segmented as distinct elements in the chassis, while the cabled connections handle signal transmission. This segmentation allows floating devices to be reconfigured and moved to different locations while maintaining both simple location identification (through the segmented identification features) and flexible reconfigurability (through the movable floating devices).
Data Source
AI summary
A floating device location identification system includes a chassis defining floating device housings and including respective chassis location identification features adjacent each floating device housing that identify the relative location of that floating device housing. A floating device may be positioned in a first floating device housing and adjacent a first chassis location identification feature. The first floating device includes floating device cabling connector(s) that are connected via a cabling subsystem to a device location identification subsystem, and chassis engagement elements that are coupled to the floating device cabling connector(s) and that engage the first chassis location identification feature. The floating device transmits floating device location identifying information to the device location identification subsystem that is based on the engagement of the chassis engagement elements and the first chassis location identification feature, and that identifies a relative location of the first floating device housing in the chassis.