"Signature analysis" was a thing that HP tried to push as a test/troubleshooting tool, but I've not seen much mention of it anywhere for the past 20+ years. ht

"Signature analysis" was a thing that HP tried to push as a test/troubleshooting tool, but I've not seen much mention of it anywhere for the past 20+ years. https://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1977-05.pdf https://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1977-05.pdf