Taking the Frustration Out of Hot Swapping sRIO Boards
by Trevor Hiatt and Raymond Ho, Communications Division, IDT
One very common question with serial RapidIO (sRIO) is how to support hot swap of boards. Generically speaking, hot-swapping cards should be easy – simply insert or remove the hardware. As with any high-speed serial interface, users have some expectation that the newly connected links will automatically renegotiate and re-initialize, and data packets can begin transmission. The sRIO specification provides standard, robust functions and controls to facilitate this action.
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