Exactly the same with my MK2a. I don't think its a software thing as both units were running b7 and the Mk2 was fine.

I think it may be a hardware thing that only affects the RIOs. Whether its ALL Rios or just a batch/few etc. I don't know.

Anyone else??
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MK2 smoked 32Gb S/n 090000949 MK2a Blue 20GB racked and out of sync