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The Electronics Inside
Documents A Teardown History of PC Data Storage -- The EIectronics Inside 17
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  • Author Author: tariq.ahmad
  • Date Created: 5 Mar 2020 3:49 PM Date Created
  • Last Updated Last Updated: 5 Feb 2020 8:24 AM
  • Views 2905 views
  • Likes 8 likes
  • Comments 17 comments
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A Teardown History of PC Data Storage -- The EIectronics Inside 17

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element14 Presents  |  About David   |  Project Videos  |  The Electronics Inside

 

 

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I don't think it's much of a secret that I'm quite into computing. So lets look back at the history of computer storage, and compare some of the techniques, methods and hardware used.

 

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Top Comments

  • a531016
    a531016 over 5 years ago in reply to KalebTheMaker +2
    I remeber someone I knew back in the day had a 10K RPM 1.7GB (I think) SCSI raptor array with 8 drives. The thing sounded like a Helicoptor taking off during spin up, and machine gun fire when the read…
  • KalebTheMaker
    KalebTheMaker over 5 years ago +1
    Thanks for the fun teardown! I remember working with those monster drives in old production mainframes. The first time I had to replace a failed drive, I took the bad one home and tore it apart. I think…
  • beacon_dave
    beacon_dave over 5 years ago +1
    Another trip down memory lane. I recall that my first PC hard drive (20MB) used the ST506/ST412 Shugart interface with MFM/RLL encoding drives long before the (parallel) ATA and SATA days. There were three…
  • a531016
    a531016 over 5 years ago in reply to DAB

    Absolutely, read write speed is critical! Although I guess it was kind of relative to the media stored too? I certainly wouldn't be making 2TB backups on to media the speed of a Floppy drive?

     

    I remember seeing an interview with a data storage specialist once, he was asked if he wanted to back up some data for as long as physically possible. He said using a punched plastic tape would be the most reliable for a long periof of time!

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  • DAB
    DAB over 5 years ago

    Nice video.

     

    I have worked with magnetic tape, paper tape, paper cards and cassette tape media.

    paper tape came in high and low speed. The low speed was ten characters per second. The high speed was 300 characters per second.

    Paper cards ran from ten cards/second to 300 cards per second.

    Cassette tapes ran about 300 characters per second.

     

    So it was not just storage capability, but also access speed.

     

    DAB

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  • a531016
    a531016 over 5 years ago in reply to gasior

    If you are interested, here is the back of the drive!

     

    image

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  • gasior
    gasior over 5 years ago in reply to beacon_dave

    You are right, looking closer at the video you can see male and female, SCSI would be both female. I stand corrected (I have always used SCSI.)

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  • beacon_dave
    beacon_dave over 5 years ago in reply to gasior

    I recall using an external drive which had the parallel 'Centronics' interface.

     

    According to this reference:

    https://en.wikipedia.org/wiki/Zip_drive

    there was an internal interface board to provide the parallel interface and that there were a number of different interface versions available.

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  • gasior
    gasior over 5 years ago

    Two things:

    1. Zip and Jaz drive was widely accepted and used, it was pretty much the standard in graphics and prepress world (dominated by Mac, hardly ever saw Zip on PC.)

    2. Zip drive had SCSI interface, not Parallel (SCSI is parallel, but this should not be confused with the old PC Parallel interface.)

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  • shabaz
    shabaz over 5 years ago in reply to beacon_dave

    That was a great video. It brought memories of old music videos and special effects from movies : )

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  • beacon_dave
    beacon_dave over 5 years ago in reply to shabaz

    I recall Autodesk's first attempt with computer animation with Animator - they released a short video sequence a pair of hands opening and it fitted on the 3.5" floppy attached to the front of a magazine.

    https://www.youtube.com/watch?v=HTl-pPlaD7Q

    At the time it was like 'wow'.

     

    Then there was someone else doing fractal image compression which similarly had what appeared to be a massive amount of data on a 3.5" floppy disk.

     

    This was around 1990.

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  • beacon_dave
    beacon_dave over 5 years ago in reply to beacon_dave

    Just another memory - the early 5.25" hard disk drives used to use stepper motors to move the heads but then later changed to the voice coil actuators still in use today. They never sounded/felt the same again...

     

    There were also the magneto optical storage drives for a while which used a combination of optical positioning and magnetic read/write.

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  • shabaz
    shabaz over 5 years ago

    Very nice seeing this video : )

    I was just thinking the other day for a use for 3.5" disk drives (I kept a couple in case they would be needed, since servers used then for a decade longer than consumer PCs).

    I remember the first time hearing an MP3... someone turned up with a 3.5" disk with Biggie Smalls and WinAmp version 1.x on it and it was the most amazing thing I'd ever heard, since I'd never imagined an entire song fitting on a disk. I remember everyone being stunned, and all crowding around the PC to see this magic : ) It was the future!

    About a year or two later I took a 5 1/4" spinning hard drive (IDE!) to replicate it, using the new MP3 ICs of that time. It was fantastic fun experimenting with that stuff, but then iPod came out!

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