signature/README

   1 -------------------------------------------------------------------------------
   2 Signature from Hewlett-Packard Instrument
   3 -------------------------------------------------------------------------------
   4
   5 These captures contain the valid signature, confirmed with HP's service manual.
   6
   7 Details:
   8 http://hpmemoryproject.org/an/pdf/an_222.pdf
   9 https://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1977-05.pdf
  10
  11
  12 Logic analyzer setup
  13 --------------------
  14
  15 The logic analyzer used was a Saleae Logic (at 6-24MHz):
  16
  17   Probe       Pin
  18   ---------------
  19   0           START
  20   1           STOP
  21   5           DATA
  22   7           CLOCK
  23
  24 The sigrok command line used was:
  25
  26   sigrok-cli -d fx2lafw -c samplerate=24MHz -o <filename> --time 1s
  27
  28 Time, samplerate and <filename> parameters vary depending on the file.
  29
  30
  31 unstable1.sr
  32 ------------
  33
  34 This is not valid signature, but useful for regression tests.