September 3, 2014: Opportunity Suffers Unwanted Computer Reboots, Hunkers Down for Reformat. After setting the new off-Earth rover distance record in July, Opportunity roved on in August, driving south along the eastern edge of Endeavour Crater’s western rim to Wdowiak Ridge [...] but it suffered so many unplanned computer reboots that the team ordered the rover to hunker down and prepare for the process of reformatting its flash memory…
“We can’t drive,” said John Callas, MER project manager, of the Jet Propulsion Laboratory (JPL). “Because we’re resetting so frequently, one can’t conduct a meaningful science mission. That’s why we’re moving ahead with taking action and reformatting.” [More at link]