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  1. Replies
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    Good Deal! Thanks for the Update. Larry

    Good Deal! Thanks for the Update.

    Larry
  2. Replies
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    Larry, We used to use the H21B3 Optic on some of...

    Larry,
    We used to use the H21B3 Optic on some of the equipment. They were cheap and had a Darlington output.
    If you could locate one of those It should work fine, assuming the mounting is correct....
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    This may be the posting:...

    This may be the posting:
    http://www.vcfed.org/forum/showthread.php?53777-TM-848-8-quot-Floppy-Drive-Error-Codes/page2&highlight=Replacement+Optic

    Larry
  4. Replies
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    Earl, Which manufacture of the Video Board do you...

    Earl, Which manufacture of the Video Board do you have in that Kaypro? If it an Elston I have the
    Schematic for that specific one.

    Thanks.

    Larry
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    Power Brick Schematic 61574 Power...

    Power Brick Schematic


    61574


    Power Supply(s)


    61575
  6. Replies
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    229

    You can help us a lot with more information on...

    You can help us a lot with more information on the Model 1. We need a Photo of what you see on
    the Display along with:
    1. Does it have a LowerCase Conversion?
    2. How much RAM in Keyboard? 4K...
  7. Replies
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    Another Diag Software url is:...

    Another Diag Software url is: http://www.slor.net/kaypro/res/Dists-2/kpdiag/

    Larry
  8. tux, Here is a batch file that will process a...

    tux,
    Here is a batch file that will process a .TD0 File for you so you can access the files with either
    22DISK by SYDEX and/or cpmtools (or cpmtools built with libdsk).

    1. Download Imagedisk...
  9. I'd verify these in order: 1. +5.00 VDC Power...

    I'd verify these in order:
    1. +5.00 VDC Power Supply & +12.0 VDC Power Supply
    2. Clock Signal at Pin 6 of Z80 CPU.
    3. Z80 Signals - INPUTS - ALL ACTIVE LOW


    CPU Control Signals
    Pin 16...
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    Will you please post the URL to this IDE Board...

    Will you please post the URL to this IDE Board you are talking about. Google doesn't
    seem to find it for me.

    Thanks.

    Larry
  11. Replies
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    There is some interesting information here:...

    There is some interesting information here:
    http://www.waltroper-aufbruch.de/Archiv/AlphatronicP2.php

    Also Royal Alphatronic Information at:
    ...
  12. jafir, Yes, The BP Microsystems EP-1 Programmer...

    jafir,
    Yes, The BP Microsystems EP-1 Programmer is a GREAT Programmer. I've used them for years. All you need is any
    Terminal (or Computer running a Terminal Program). I don't use xmodem...
  13. I sent you a PM. I've done several Dual Boots,...

    I sent you a PM. I've done several Dual Boots, but not on Win 7 or Win 10. XP was the last OS I used
    as Dual Boot. Windows may not play well with Linux now.

    Shouldn't take too long to find...
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    CH, Just make sure the RAM has 7 Bit refresh...

    CH,
    Just make sure the RAM has 7 Bit refresh rate versus 8 Bit refresh. It HAS to be 7 Bit Refresh rate.

    Just check each Conductor feeding it's load with your Meter (with Load(s) disconnected...
  15. Replies
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    One thing comes to my mind is with the memory...

    One thing comes to my mind is with the memory upgrade. The Original RAM IC's used -5 VDC, from a supply
    on the Aluminum Metal Back plate that is behind the Motherboard. The -5 VDC goes to Pin 1 of...
  16. REF:...

    REF:
    http://www.vcfed.org/forum/showthread.php?34037-Resurrecting-a-IBM-5150-601-code-at-POST-Need-some-help

    Along with the above suggestions, are the switches on block 1 switches 7 and 8 set...
  17. Ian, Thanks for the update. As you determined...

    Ian,
    Thanks for the update. As you determined I'm Hardware versus Software.

    Good Luck.

    Larry
  18. Replies
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    In going back over my posting I found three...

    In going back over my posting I found three typo's in these definitions:


    cpmtools definition
    maxdir 64

    libdsk definition
    cylinders = 40

    flashfloppy definition
  19. Replies
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    drj113, I've conjured up some definitions that...

    drj113,
    I've conjured up some definitions that should allow you to access the files. If you have Dave Dunfield's
    Imagedisk Ver 1.18 you can create the .IMD files from your floppy's. Then also...
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    drj113, I don't know what a Pulsar 6000 is, but...

    drj113,
    I don't know what a Pulsar 6000 is, but I assume it runs CP/M ver x and is Z80 based. What type of Image
    files do you have available on your SDcard. What software created, or copied the...
  21. Ian, Try this. 10 Z=48 20 W=Z 30...

    Ian,
    Try this.


    10 Z=48
    20 W=Z
    30 FORX=0TO1023
    40 POKE15360+X,W
    50 IF (PEEK(15360+X) AND W)<>W GOSUB 500
    60 IF W<96 THEN W=W+1 ELSE W=Z
  22. Ian, Let me change the program a bit so it can...

    Ian,
    Let me change the program a bit so it can be delayed when it located a problem and waits for
    your input. I see that my logic is flawed when there is a problem.

    I'll try to get that done...
  23. Ian, Run that program and be ready to depress...

    Ian,
    Run that program and be ready to depress the BREAK key to stop it when the screen starts messing up.
    Take a good screen shot of it. From that information we should be able to get the address...
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    Do you know what your Osborne Exec has: 1. 40...

    Do you know what your Osborne Exec has:
    1. 40 Track (48 TPI) or 80 Track (96 TPI) Floppy drives?
    2. Single Sided (SS) or Double Sided (DS)?
    3. What Definition did you use for the GOTEK (Floppy)...
  25. Does your Model 1 have the extra 2102 static RAM...

    Does your Model 1 have the extra 2102 static RAM added for the Lowercase modification?
    Does it have lowercase characters? What is the number on your Character Generator ROM IC?


    What ROM...
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