ARC 100

A little less than two weeks ago OCZ released mandatory firmware updates for the ARC 100 and Radeon R7 SSDs, so I figured I would give the owners a heads up along with a more detailed explanation of the contents of the update. The first and only observed issue is related to DRAM corruption. In the old firmware a DRAM refresh could happen during a what is called the training period, which is the duration of DRAM timing calibration during the controller power on. That lead to potential DRAM corruption that could jeopardize the drive's reliability, so the new firmware simply moves the DRAM refresh outside of the training period. This is a rather corner case issue and only applied to the 480GB ARC...