On 1/19/2016 3:29 PM, J Martin Rushton wrote:
I suspect that the gold layer on edge connectors 30-odd years ago was a lot thicker than on modern cards. We are talking contacts on 0.1" spacing not some modern 1/10 of a knat's whisker. (Off topic) I also remember seeing engineers determine which memory chip was at fault and replacing the chip using a soldering iron. Try that on a DIMM!
indeed, I pretty much quit doing component level electronics when everything went to surface mount.
-- john r pierce, recycling bits in santa cruz _______________________________________________ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
