On Thu, 29 Jan 2015 13:51:03 -0600
 Roe Peterson <roeapeterson at gmail.com> wrote:
  I just can't seem to figure out the right
XXDP file to run for a
 straight memory test. 
 Most all of the questions related to PDP-11 diagnostics are answered in:
 
http://bitsavers.trailing-edge.com/pdf/dec/pdp11/xxdp/PDP11_DiagnosticHandb…
 Lyle