On Friday 12 February 2010 14:43:30 Alan Mackenzie wrote: > > failures in b11 of 32 bit words. > > > > I'll try unplugging and replugging these. > > No help. :-( > > No matter how I plug in the RAM (4 combinations of 2 sticks into 2 pairs > of slots) it is always b11 which fails and always at an address ending > in (hex) 0 or 8. > > How is this DDR3 Ram organised? Is each stick 64 bits wide, or are they > 32 bits wide, being accessed by the motherboard pairwisely? If the > latter, I would have exected the failure to move to address ....4 and > ....C when I swap the two sticks. Am I being prematurely pessimistic in > thinking the motherboard might be the fault?
I strongly suspect a motherboard fault too. What you are describing sounds like an address decoding fault. -- alan dot mckinnon at gmail dot com