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  1. Whatever you do, DO NOT ADJUST any POTS on the...

    Whatever you do, DO NOT ADJUST any POTS on the FDC card. I don't remember if there are any on the
    FDC, but if there are DO NOT ADJUST.

    One quick test you can do is with Power OFF, GENTLY Slide...
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    Charles, It's likely some of the Kaypro II...

    Charles,
    It's likely some of the Kaypro II Floppy's shed some oxide on the Floppy Heads and that could
    be causing the Floppy error problems. You might want to check the Floppy 's also to see
    if...
  3. If you have a Computer that can run a LiveCD of...

    If you have a Computer that can run a LiveCD of Debian 10.x or 9.x (32 or 64 Bit), you can install
    gddrescue (GNU ddrescue ver 1.21-1 or greater for ver 10.x) and try it's recovery feature.


    ...
  4. I found another copy of the "scp_image_specs.txt"...

    I found another copy of the "scp_image_specs.txt"
    https://github.com/catphish/flex-floppy/blob/master/scp_image_specs.txt


    Larry
  5. Since you have the HxC software installed you...

    Since you have the HxC software installed you could always create a *.IMD file from the .SCP.
    Then the IMDA and IMDU utilities from Dave Dunfield's IMAGEDISK can be used get more
    information on the...
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    Fritz, I've found that the Samsung SFD-321B...

    Fritz,
    I've found that the Samsung SFD-321B modification information at
    https://majzel.blogspot.com//converting-from-8-to-35-inch-
    has some mis-leading information. To get the SFD-321B into...
  7. New Xerox 820-II Boot Floppy Definitions for cpmtools & libdsk

    After downloading DDBOOT1A.IMD and X820IICPM.IMD, I needed two new defintiions
    for cpmtools and libdsk. IMDA & IMDU gave extra information on DDBOOT1A.IMD

    $IMDA DDBOOT1A.IMD > DDBOOT1A.TXT
    ...
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    Fritz, The GreaseWeazle...

    Fritz,
    The GreaseWeazle is a stand alone STM32F103C8T6 that uses an adapter Board (either
    a PC type with 34 Pins, or a Amstrad type with 26 Pins for 3" Floppy) to interface with the Floppy Drive....
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    Fritz, Yes, the B12D2.IMD, B12D3.IMD, and...

    Fritz,
    Yes, the B12D2.IMD, B12D3.IMD, and B12D4.IMD are SS/SD, FM with 26 Sectors, 128 Bytes per Sectors,
    and 77 Tracks. I've got sane directory listings, and extracted several .ASM and .SUB files...
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    It's likely SD with 26 Sectors, 128 Bytes per...

    It's likely SD with 26 Sectors, 128 Bytes per Sector, 77 Tracks, Single Sided, FM
    (((26 * 128) * 1) * 77) = 256256 Bytes



    0/0 500 kbps SD 26x128
    1 2 3 4 5 6 7 8 9 10 11 12...
  11. exidybox, Yes, it should work fine. Here is the...

    exidybox,
    Yes, it should work fine. Here is the info about the exidy types dsktrans supports:


    LIBDSK - SUPPORTS

    Disk image types supported:

    remote : Remote LibDsk instance...
  12. You are likely to find things like this on...

    You are likely to find things like this on ThingIVerse.


    Larry
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    hawkeye0914, But, your Updated Diagram still has...

    hawkeye0914,
    But, your Updated Diagram still has one error, and some mis-leading text.

    The Tandy 1400 Pin 10 Motor ON should go to Pin 16 of Drive A (Drive 0) & Pin 16 of Drive B (Drive 1).
    And...
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    Hawkeye0914, I'm thinking that the Floppy...

    Hawkeye0914,
    I'm thinking that the Floppy Signals are really as show here;


    FDC Controller PC-AT Style Controller Based on TEAC FD235HF

    Sig Name Sig Sig. Name Sig Name ...
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    I would like to know if your Floppy Cable has...

    I would like to know if your Floppy Cable has twisted conductors 10-16 or not?


    Larry
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    hornbetw, I believe you are mistaken, as the...

    hornbetw,
    I believe you are mistaken, as the Model 1 Monitor was actually a RCA Television Chassis with the Tuner
    removed. I found my SAMS 1713 Photofacts for the RCA Chassis KCS203A/D, and have...
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    Of the many 1541's I did back in the day, I never...

    Of the many 1541's I did back in the day, I never got one back that had the Blue Locktite.
    Maybe I was just lucky. But, there were enough being used in schools that I'd think at
    least one would...
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    Here are a few sites that I had bookmarked. ...

    Here are a few sites that I had bookmarked.

    http://www.zimmers.net/
    http://www.zimmers.net/anonftp/pub/cbm/
    http://www.zimmers.net/anonftp/pub/cbm/schematics/computers/pet/8032/index.html...
  19. Yes, but SAMDisk and Keir's Disk-Utilities will...

    Yes, but SAMDisk and Keir's Disk-Utilities will convert the .RAW streams into a form
    that can be written back to a floppy. Keir and Simon have helped us with utilities to
    convert the streams.
    ...
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    VintageVic, Sure No problem. If some day in the...

    VintageVic,
    Sure No problem. If some day in the future, you prove some of the TIPS to be
    100% true, be sure to drop me a PM. I'd be glad to know they also helped you
    in your C-64 repairs.
    ...
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    LambdaMikel, The +12.0 VDC Power Supply must be...

    LambdaMikel,
    The +12.0 VDC Power Supply must be adjusted properly first. Then the +5.00 VDC Power Supply
    must be adjusted for +5.00 VDC. That low of a 5 VDC didn't harm the Power Supply. You...
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    I've edited your 7.png to show the shaft where I...

    I've edited your 7.png to show the shaft where I add Blue Loctite to prevent the Collar
    from moving on the Shaft. That should help keep it from moving. I used a small screw
    driver to hold the...
  23. There are several ways. If you have a DOS...

    There are several ways. If you have a DOS Computer with the correct Floppy Disk Controller that
    supports the Software:
    1. Imagedisk by Dave Dunfield

    The following are standalone systems.
    2. ...
  24. I've changed my TRS-80 Model 1's ROM's from Ver...

    I've changed my TRS-80 Model 1's ROM's from Ver 1.1 to Ver 1.3. I used the Texas
    Instrument EPROMS. It has worked Perfect. I had the 3 ROM Set Board in my Model 1
    and I did have to add one...
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    Sure, Check the Signal states for RTS and DTR on...

    Sure, Check the Signal states for RTS and DTR on both ends. They MUST be correct for each port (on both ends of the cable)
    for Hardware Handshaking. Or Looped Back RTS to CTS on both ends and use...
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