In the service manuals the serial number is always used as a key to the revision level of the equipment. I never worked for HP but I have seen a lot of their test equipment service manuals. Message #6 Posted by Ellis Easley on, 7:31 p.m., Still, I'd be interested if someone who actually worked in the allocation of these numbers at HP could clarify this. So I've never assumed that the five digits after the letter indicated the number of calculators produced in a week. And it was not necessary to give them these serial numbers in advance as part of the support contract, so they weren't looking at our contract details in order to figure out what the equipment was. The first question they asked was "What's the serial number of the equipment?" They didn't have to ask a second question giving them just the serial number was enough to let them know exactly what the piece of equipment was: disk drive, printer, server, PC, calculator, protocol analyser, whatever. Message #5 Posted by Frank Wales on, 6:35 p.m.,Īs I understand it, HP serial numbers are unique not only to a product line or facility, but across all HP products made anywhere in the world.Īlthough I haven't done it for a while, I regularly called HP during the 1980s and early 1990s for hardware support. Prange on, 6:24 p.m.,Īfter posting, I see that you seem to have answered my questions. They were not reset with each "week" or duplicated with another products number. And serial numbers seemed to be assigned sequentially across all models produced at a facility. Some seem to start at 10000, etc.Ī lot of Singapore production starts with 80000 or 90000. Also the serial number for each "week" may or may not have started at 00001. This was almost always the case for the earlier models like the '35, '80, '65, etc. Some of these "weeks" actually lasted many months. The "week" number may not actually be the real week it was made. Message #3 Posted by David Smith on, 6:08 p.m., The remaining digits tell you that it was the 11,076th 16C manufactured during that week in America. The next two digits represent the week in the year = 28. Take the first two digits and at it to 1960 = 1982 (year). Message #2 Posted by Scuba Diver on, 2:57 p.m., Would somebody please tell me what this means (when it was made, etc)? Its a HP16C, and I was trying to make sence of the serial number. Hi i am looking for an it documentation tool (open source), what is there out there what we can use? this should be used for all the it instructions inside our departments.Help me decode this serial number.
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