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  • Apple 3.5 Floppy Disk Drive Interface Card

    From Steven Nelson@21:1/5 to All on Wed Dec 21 11:20:48 2022
    3.5 drive interface ASCO 504. Which 3.5 drives are meant to be used with this controller? Unidisk 3.5, Apple 3.5, or Apple Super drive? I think not the super drive, but which of the other 3.5 drives? How to tell a unidisk controller from a regular
    drive? Thnx. --Steve

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  • From waynejstewart@gmail.com@21:1/5 to All on Thu Dec 22 07:47:21 2022
    That card is for the 3.5” UniDisk. Probably the easiest way recognize the drive is by looking at the manual eject hole. On the 3.5” UniDisk it’s below the eject button. On other drives it’s in the middle of the eject button with the exception of
    the Mac only drives which have no eject button

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  • From Steven Nelson@21:1/5 to waynej...@gmail.com on Thu Dec 22 16:18:01 2022
    On Thursday, December 22, 2022 at 9:47:22 AM UTC-6, waynej...@gmail.com wrote:
    That card is for the 3.5” UniDisk. Probably the easiest way recognize the drive is by looking at the manual eject hole. On the 3.5” UniDisk it’s below the eject button. On other drives it’s in the middle of the eject button with the exception
    of the Mac only drives which have no eject button

    Thanks! I now know which drives to attach. I have all you mention and want to be sure I choose correctly.

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  • From Antony Mauget@21:1/5 to Steven Nelson on Sun Jan 8 06:16:52 2023
    Steven Nelson wrote:
    3.5 drive interface ASCO 504. Which 3.5 drives are meant to be used with this controller? Unidisk 3.5, Apple 3.5, or Apple Super drive? I think
    not the super drive, but which of the other 3.5 drives? How to tell a unidisk controller from a regular drive? Thnx. --Steve


    I'm bit late in the party but here is a very good article about how can
    disk drives, controllers and Apple II computers be combined or not : https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=0CAMQw7AJahcKEwio7J39qLf8AhUAAAAAHQAAAAAQAg&url=https%3A%2F%2Fmirrors.apple2.org.za%2FApple%2520II%2520Documentation%2520Project%2FReference%2FArticles%2Faplus0187-apple2_
    drives.pdf&psig=AOvVaw0EFncB5addVxOBktHOsC6w&ust=1673244720254291

    HTH

    --
    ________________
    Antony
    Apple II forever

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