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  3. HLOTD (History lesson of the day): Core Memory

HLOTD (History lesson of the day): Core Memory

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  • L Offline
    L Offline
    Lost User
    wrote on last edited by
    #1

    I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

    R M OriginalGriffO A G 9 Replies Last reply
    0
    • L Lost User

      I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

      R Offline
      R Offline
      Ron Anders
      wrote on last edited by
      #2

      Great, I'm old. When I was 20ish I worked at a DEC var and we had some spares of the core memory boards, They were cool to look at. This was the last time I actually saw with my naked eye, a bit cell.

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      • L Lost User

        I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

        M Offline
        M Offline
        Mark H2
        wrote on last edited by
        #3

        Ooooohhhh. Memories. I cut my teeth as an engineer in the late 70's on similar vintage stuff. An ICL System 4-72 with 8 64kB core modules and a 7905 system with 4 x 8kB core modules. Real computers they were. :)

        If your neighbours don't listen to The Ramones, turn it up real loud so they can. “We didn't have a positive song until we wrote 'Now I Wanna Sniff Some Glue!'” ― Dee Dee Ramone "The Democrats want my guns and the Republicans want my porno mags and I ain't giving up either" - Joey Ramone

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        • L Lost User

          I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

          OriginalGriffO Offline
          OriginalGriffO Offline
          OriginalGriff
          wrote on last edited by
          #4

          Core memory was fun. Fun to use, because it didn't need power to remember it's values. Fun to make because it took forever to "weave" it by hand...but satisfying in a way that adding RAM to a PC never was... :laugh:

          Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

          "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
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          • L Lost User

            I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

            A Offline
            A Offline
            AndyKEnZ
            wrote on last edited by
            #5

            I like this thread it makes me feel young and spritely :)

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            • L Lost User

              I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

              G Offline
              G Offline
              GuyThiebaut
              wrote on last edited by
              #6

              I have the Haynes Apollo 11 manual which I would recommend to anyone interested in the early space missions. It goes into this area briefly and how the onboard computers had a tiny amount of memory and some fairly amazing programming including the 1202 alarm which saved the lives of the Apollo 11 astronauts.

              “That which can be asserted without evidence, can be dismissed without evidence.”

              ― Christopher Hitchens

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              • L Lost User

                I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

                W Offline
                W Offline
                Worried Brown Eyes
                wrote on last edited by
                #7

                Is this likely what my (much older) brother refers to as "the knitting" when speaking of the olden days?

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                • L Lost User

                  I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

                  D Offline
                  D Offline
                  den2k88
                  wrote on last edited by
                  #8

                  Finally I feel young again, after years passed feeling "old" because my first PC was a (new at the time) 386 SX with a nice 1MB of RAM and 47 MB of Hard Disk. One of the first machines to not have 2 diskette drives pre-installed, and one of the last where the CMOS was powered by 4 AA batteries (under the cavity where the base of the monitor should have been placed).

                  Geek code v 3.12 GCS d--- s-/++ a- C++++ U+++ P- L- E-- W++ N++ o+ K- w+++ O? M-- V? PS+ PE- Y+ PGP t++ 5? X R++ tv-- b+ DI+++ D++ G e++>+++ h--- r++>+++ y+++* Weapons extension: ma- k++ F+2 X I use 1TBS

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                  • L Lost User

                    I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

                    Mike HankeyM Offline
                    Mike HankeyM Offline
                    Mike Hankey
                    wrote on last edited by
                    #9

                    My dad had one of these planes and showed it to me, don't remeber the year. Also wrote an paper in college on bubble memory[^], at the time was supposed to be the next big thing. Surprisingly they still make and sell it.

                    New version: WinHeist Version 2.1.0 When you are dead you don't know it, it's only difficult for others. It's the same when you're stupid.

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                    • L Lost User

                      I'll bet that many of you are not old enough to remember core memory. Yet is was the predominant form of RAM for 20 years: [Core Memory] So what happened to core memory? Intel - that is what happened. In 1968 a chemist (Gordon Moore) and a physicist (Robert Noyce) persuaded a venture capitalist (Arthur Rock) to raise money to fund a company that would put computer memory on a chip. Intel was registered on July 18, 1968 and the rest is history. You may read more here: [Intel] and here: [Intel Timeline] This brings back memories of the early 1970s when I as a young engineer was involved in computerized air traffic control systems for civilian airports. The computers had core memory modules, each holding 4 KB of data and each about .25 cubic ft in size. Ah! Them wuz the days!

                      M Offline
                      M Offline
                      Member 4194593
                      wrote on last edited by
                      #10

                      I walked "THROUGH" a SAGE computer a while back, vacuume tube flip flops and all. It was an experience. Dave.

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