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  1. The Tiki .dsk file should be the same as a .RAW...

    The Tiki .dsk file should be the same as a .RAW (Sector Dump) of the Floppy. I have the following .zip
    files for the Tiki:



    94695 Jun 2 2018 Kryssord_Generator.zip
    192197 Jun 2 2018...
  2. Replies
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    This was very interesting, so I downloaded the...

    This was very interesting, so I downloaded the LARGE ZIP file, and had a look at the BPB
    area of KQ1PC.IMG.

    KQ1PC.IMG


    00000000 E8 B7 01 EB 78 90 42 4F 4F 54 20 76 31 2E 32 20 ...
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    Chuck, Google isn't locating the 74HCT760...

    Chuck,
    Google isn't locating the 74HCT760 Datasheet for me. Was there a typo?
    If you have the 74HCT760 Datasheet will you upload it?

    Thanks.

    Larry
  4. Replies
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    Ian, GREAT NEWS! Glad it worked properly. ...

    Ian,
    GREAT NEWS! Glad it worked properly.

    Yes, send it to Al at Bitsavers to preserve.

    Larry
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    Glen, Your Character ROM for the Model 1 appears...

    Glen,
    Your Character ROM for the Model 1 appears the same as the Motorola MCM6670 Documentation. My Original ROM had that crazy
    "Flying a" until I bought a Lowercase Kit from KSG Tech. Now, my...
  6. Frank, I've got the same problem......getting...

    Frank,
    I've got the same problem......getting OLD.

    I have some Thermal Paste somewhere and still haven't found it.

    Larry
  7. Frank, If the Model 1 is a Level II ROM, then...

    Frank,
    If the Model 1 is a Level II ROM, then All Jumpers on X3 (Z3) need to be shorted. I use a 8 Position
    DIP Switch instead of the dip jumper you have shown in the Photo.

    A RAM that is VERY...
  8. If you are refering to the Drivetec Floppy drives...

    If you are refering to the Drivetec Floppy drives that were on a few of the Kaypro's (as the MICROcode Disk Format)
    I found this information in the UROM Kits.



    REF BLANK.MAC

    call stat...
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    Floppy Jumpers

    Do you have the PDF page for the Floppy Jumpers that are required?

    PM me with your email address.

    Larry
  10. Replies
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    Ian, No Problem. I didn't even look at the...

    Ian,
    No Problem. I didn't even look at the correct file the first time I posted, and had several mistakes in the HEX BYTES.
    But, that was because I was trying be quick in posting so I could go to...
  11. Replies
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    Yes, but the 63S141 Datasheet shows a 1K size of...

    Yes, but the 63S141 Datasheet shows a 1K size of 4 Output bits each. And 256 * 4 is 1024 = 1K
    and with {A0..A7} that is 8 Pins for Address locations 2 ^ 8 = 256.

    Larry
  12. Replies
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    Ian, I was in a hurry to get to Granddaughter's...

    Ian,
    I was in a hurry to get to Granddaughter's Volleyball game, and I looked at the 60 HZ file. SORRY!
    Here is the corrected 50 HZ file. I'm sure it should be correct, but double check...
  13. Replies
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    1,883

    Ian, I believe you have the file incorrect. ...

    Ian,
    I believe you have the file incorrect.

    Look at the left column, and it is noted as a Hexidecimal address. {00..32} HEX are 0x02
    You HEX Bytes od 0x02 end at address 0x19

    You need to...
  14. Replies
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    1,883

    There is a 63S141 on Ebay, but it is expensive....

    There is a 63S141 on Ebay, but it is expensive.
    https://www.ebay.com/itm/1-x-63S141J-Fuse-Programmable-PROM-MMI-CDIP-16-1pcs-/162446337397
    ...
  15. Replies
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    1,883

    Should be able to use these equivalents for the...

    Should be able to use these equivalents for the 63S141:

    256x4

    Fujitsu 7114TS
    SIG 82S129
    AMD 27S21
    MMI 6301, 63S141J
    NAT 74S287
    TI 24S10, 34S10
  16. MrArgent, I sure hope you checked the Solder...

    MrArgent,
    I sure hope you checked the Solder Joints on the J2 Connector too. Those are prone to
    getting a thin ring around them where the solder is broken fee from thr PCB. If you didn't
    look at...
  17. Replies
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    Why don't you add a bit of documentation, with...

    Why don't you add a bit of documentation, with the original source files, and post on thingiverse.
    The Source files are nice to include because not everyone uses the same software as you.
    If anyone...
  18. If you clean those pins good, then insert them in...

    If you clean those pins good, then insert them in the PCB, they should solder properly. You will need to flux
    the parts and use a temperature controlled Iron along with some good Rosin Core Solder....
  19. Replies
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    It's a good thing you found the problem before...

    It's a good thing you found the problem before further corrupting your Floppy Images beyone repair.
    Hopefully you didn't loose any of your files.

    I've got a floppy with a corrupt directory that...
  20. Xitan CP/M 2.26 - 48k - for Northstar - Model ????

    I've stumbled across the following README.TXT in the Dave Dunfield NSCOS File:

    XITANCPM.NSI



    I would like to locate a bootable Image or a Floppy Image that has the first
    0x400 bytes from a...
  21. Replies
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    Interesting url's:...

    Interesting url's:
    https://web.archive.org/web/20060115214756/http://www.series80.org/Manuals/
    http://www.series80.org/PDFs/HP85-MainBW.pdf
    http://www.series80.org/PDFs/HP85-PocketGuide.pdf...
  22. If you can count the lines from the first "11" to...

    If you can count the lines from the first "11" to the brighest ones that are lower on the display, it appears it might
    be around 16 lines (using paper to mark the lines on your photo). If it is 16...
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    Geoff, The first clue is what is displayed on...

    Geoff,
    The first clue is what is displayed on the screen at Powerup. If it has "Radio Shack Level II Basic", it's likely an early ROM.
    If "R/S L2 Basic" is displayed, it's likely a Version 1.3...
  24. I've created a .ISO and uploaded it to my Google...

    I've created a .ISO and uploaded it to my Google Drive. It's from my 3rd Edition Book, SRC and DOC, etc.

    https://drive.google.com/open?id=1eqVMBOBTE-xLfbhFT5ALQ99xKKCa6Cje


    Larry
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    I can send you the ROM if you want. It will...

    I can send you the ROM if you want. It will depend on your computers ROM IC's. It might have two or three ROM's.
    There is a document published on TRS8BIT about replacing the ROMS. I can send you...
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