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Signature from Hewlett-Packard Instrument
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These captures contain the valid signature, confirmed with HP's service manual.
Details:
http://hpmemoryproject.org/an/pdf/an_222.pdf
https://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1977-05.pdf
Logic analyzer setup
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The logic analyzer used was a Saleae Logic (at 6-24MHz):
Probe Pin
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0 START
1 STOP
5 DATA
7 CLOCK
The sigrok command line used was:
sigrok-cli -d fx2lafw -c samplerate=24MHz -o <filename> --time 1s
Time, samplerate and <filename> parameters vary depending on the file.
unstable1.sr
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This is not valid signature, but useful for regression tests.
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