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Thread: External disk drive enclosures for a SD FW Floppy Drive Emulator

  1. #1

    Default External disk drive enclosures for a SD FW Floppy Drive Emulator

    Hi,

    I've recently acquired a SD FW Floppy Drive Emulator as shown here. This is based on the SDCARD HxC Floppy Drive Emulator. I bought it to use with my TRS-80 Model 1/Dick Smith System 80. It works very well, emulating a couple of floppy disk drives.

    I'm very happy with the performance but it does appear rather naked. As you can see it's designed to slip into the 3.5 inch drive bay in a computer case. I want to fully enclose it though, and either have a 5V socket at the back of the case which I can plug a Wall-wart PSU into, OR (even better) a case with a small 5V PSU already built in. In other words, package it up as self-sufficient external drive which will look tidy next to my TRS-80 M1 or System 80.

    Before I try and roll my own, I'm just wondering if anyone knows of anything available commercially. Are there (or were there) external 3.5 inch disk enclosures with their own PSU's built in (or at least a socket for a PSU)?

    Thanks

    Tez
    ------------------------------------------------
    My vintage collection: https://classic-computers.org.nz/collection/
    My vintage activities blog: https://www.classic-computers.org.nz/blog/
    Twitter: @classiccomputNZ ; YouTube Videos: (click here)


  2. #2
    Join Date
    Dec 2005
    Location
    Toronto ON Canada
    Posts
    6,886

    Default

    Quote Originally Posted by tezza View Post
    Before I try and roll my own, I'm just wondering if anyone knows of anything available commercially. Are there (or were there) external 3.5 inch disk enclosures with their own PSU's built in (or at least a socket for a PSU)?

    Thanks

    Tez
    Pity you're so far away; I've got several external SCSI tape drives with built-in PSUs, both 3.5" and 5.25" formats.

    A couple of these, for instance (but not so yellow ):
    http://www.ebay.ca/itm/Seagate-CTT80...-/291074295068

    Easy enough to replace the tape drive with your HxC; they're getting kinda obsolete, so maybe you can find a cheap one locally...

  3. #3

    Default

    Thanks Mike, that's something I hadn't thought of.

    Tez
    ------------------------------------------------
    My vintage collection: https://classic-computers.org.nz/collection/
    My vintage activities blog: https://www.classic-computers.org.nz/blog/
    Twitter: @classiccomputNZ ; YouTube Videos: (click here)


  4. #4

    Default

    Looks like I might have a solution for this. Fellow New Zealander Andrew Quinn alerted me to an external SCSI tape drive on our local auction site Trade Me. I've bought it ($NZ10). I'll let folks know how it turned out with a blog post.

    Tez
    ------------------------------------------------
    My vintage collection: https://classic-computers.org.nz/collection/
    My vintage activities blog: https://www.classic-computers.org.nz/blog/
    Twitter: @classiccomputNZ ; YouTube Videos: (click here)


  5. #5
    Join Date
    Jan 2012
    Location
    Raleigh, NC, USA
    Posts
    469

    Default

    I put my Rev F HxC emulator in a BusLink Model FDD1 USB floppy drive case. This allows me to use boot from virtual disks on computers that allow USB floppy drives. I could easily cut a hole to allow access to the ribbon so I could use it with other systems too. However, now that I have access to a 3D printer, I'll probably cut down the PCB and design a more low-profile case.

    Here's pictures of it in the FDD1 enclosure:

    http://www.amibay.com/showthread.php?t=40298

    Please let us know how yours turns out! Pictures would be a plus.

    Heather

  6. #6

    Default

    Hello Tez,
    why do you want the emulator outside the TRS-80?
    For my TRS-80 Model 4 i arrange the emulator near drive A inside the case.
    With a switch i am able to swap drive A with the emulator. So i can boot from the emulator and the drive A.

    Frank

  7. #7

    Default

    Nice job Frank.

    The emulator is for my Model 1 and System 80, not my Model 4.

    Tez
    ------------------------------------------------
    My vintage collection: https://classic-computers.org.nz/collection/
    My vintage activities blog: https://www.classic-computers.org.nz/blog/
    Twitter: @classiccomputNZ ; YouTube Videos: (click here)


  8. #8

    Default

    An old external SCSI Tape Drive turned out to be a great solution. I replaced the drive with the floppy emulator. The screw holes in the bottom of the emulator lined up with those on the bottom of the case so I could secure it in there well. Wired the emulator up to the 5V power supply and issue sorted!

    Tez

    ------------------------------------------------
    My vintage collection: https://classic-computers.org.nz/collection/
    My vintage activities blog: https://www.classic-computers.org.nz/blog/
    Twitter: @classiccomputNZ ; YouTube Videos: (click here)


  9. #9

    Default

    Quote Originally Posted by SkydivinGirl View Post
    I put my Rev F HxC emulator in a BusLink Model FDD1 USB floppy drive case. This allows me to use boot from virtual disks on computers that allow USB floppy drives. I could easily cut a hole to allow access to the ribbon so I could use it with other systems too. However, now that I have access to a 3D printer, I'll probably cut down the PCB and design a more low-profile case.

    Here's pictures of it in the FDD1 enclosure:

    http://www.amibay.com/showthread.php?t=40298

    Please let us know how yours turns out! Pictures would be a plus.

    Heather
    Very nice Heather. As you can see my solution makes a larger footprint than yours but my TRS-80 M1 and System 80 have no USB port, so a self-contained 5 volt supply was necessary.

    Tez
    ------------------------------------------------
    My vintage collection: https://classic-computers.org.nz/collection/
    My vintage activities blog: https://www.classic-computers.org.nz/blog/
    Twitter: @classiccomputNZ ; YouTube Videos: (click here)


  10. #10
    Join Date
    Jan 2012
    Location
    Raleigh, NC, USA
    Posts
    469

    Default

    Hi Tez. Even though your enclosure is a little larger than necessary, it looks like it works well for your purposes. I have an enclosure that is nearly identical to that! I think mine used to house a SCSI tape drive too.

    @Frank S

    How does your switch work to change which disk drive is being used? I think the easiest way to do this would be to use the switch to change which device has power, but I would like to know for sure.

    Heather

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