Figured out a couple of things regarding crossflashing the disk adapter (HBA) that I'm working on. There's a specific utility that all the guides advise to run to reassign the address of the adapter back to the original. Unfortunately, It won't run in any of the environments that I've tried. Two key points that I just learned. One, it doesn't need to be run preceding flashing the firmware, so apparently it isn't used to change the firmware itself. And two, it's a specific version that was released with firmware version p19 and is reputed to be more stable than that released with version p20. If all else fails, I should be able to accomplish the task with the p20 version, but I appear to have a p19 version for an EFI shell environment. So, this should work.
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