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Type: Posts; User: Al Kossow

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  1. Replies
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    why say anything when you have no idea what...

    why say anything when you have no idea what you're looking at

    https://www.ebay.com/itm/1960-IBM-STORAGE-PATENT-MODEL-DRAWINGS-PAT-3-994-017-RARE/174307412967

    The cassette tape head is a clue...
  2. I bought an Advin Sailor-PAL programmer 30 years...

    I bought an Advin Sailor-PAL programmer 30 years ago
    and information was impossible to find then.

    I don't think you're going to have much luck now, beyond reverse-engineering what you have.
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    A No RMS Alternate Universe

    Greed abhors a vacuum.
    If MSFT didn't exist, there are dozens of companies that could have taken its place.

    Stallman turning copyright on its ear as a force for good came out of left field and...
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    In this bizarro alternate universe, why would you...

    In this bizarro alternate universe, why would you assume they would be looking?
    BASIC was trademarked by Dartmouth, that is why DEC's interpreter was called FOCAL
  5. https://groups.io/g/hpseries80/message/3403

    https://groups.io/g/hpseries80/message/3403
  6. That was why a lot of people used the 2901 in the...

    That was why a lot of people used the 2901 in the mid-70s. You got a 4-bit ALU, shifter, and dual-port register file all in one package.
  7. You can't edit posts after a few hours, and...

    You can't edit posts after a few hours, and threads last forever here.
    That's just the way things work.
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    follow the money...

    follow the money
    https://www.cnbc.com/2019/12/04/carl-icahn-blasts-hps-decision-for-rejecting-xeroxs-acquisition-bid.html

    It was about Icahn wanting to bleed HP dry of its assets, just like he's...
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    made by ND (Nuclear Data) ?

    made by ND (Nuclear Data) ?
  10. Replies
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    Z-29 technical manual

    Did anyone here win this?
    https://www.ebay.com/itm/Zenith-Data-Systems-Video-Display-Terminal-Z-29-Users-Technical-Guide/362990575813

    I have most of the information on this terminal on bitsavers,...
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    there were a combination of the sony proprietary...

    there were a combination of the sony proprietary interface and scsi
    the service manual on bitsavers is proprietary
    i'm trying to find the service manual for the CDU541
    described here...
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    ISO Sony SCSI CDROM service manuals

    I'm looking for service manuals for early Sony CDROM drives.
    The only one I've been able to find is for a drive with a Sony interface.
  13. Even if you can't use them directly, the images...

    Even if you can't use them directly, the images would be useful to other people. There doesn't seem to be a copy of any versions of 4.x anywhere.
  14. have you tried contacting microcomputer...

    have you tried contacting microcomputer solutions?
    http://www.vcfed.org/forum/showthread.php?47517-CompuPro-8-16
  15. can you post a picture of the disk controller. I...

    can you post a picture of the disk controller. I just found the picture of your machine from eBay, the one with a floppy tape?
  16. vintage computer museum just listed a 10 plus and...

    vintage computer museum just listed a 10 plus and posted a good picture of the boards, which i hadn't seen on line before
    https://www.ebay.com/itm/93460585433
    This is sad, it uses an Adaptec 4000...
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    any scsi drive that used a 14 pin dip terminator....

    any scsi drive that used a 14 pin dip terminator. they should be common as dirt.
    https://www.ebay.com/itm/153734802353
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    MAME has the pieces, but you'll have to put...

    MAME has the pieces, but you'll have to put together your own driver.
    You also don't say which 68K, i'm assuming 68030
  19. TexElec posted on Twitter they are doing their...

    TexElec posted on Twitter they are doing their own version of the PB
    https://twitter.com/TexElecUSA/status/1256607147145773057
  20. buy a gesswein mfm emulator board, dump the raw...

    buy a gesswein mfm emulator board, dump the raw flux transitions.
    https://www.pdp8.net/mfm/mfm.shtml
    if it isn't a known format, dave will help you interpret it

    looking at the picture of the...
  21. what a horrible thing to do. they took a hacksaw...

    what a horrible thing to do. they took a hacksaw to the control and keypad sides of the pcb, taking a chunk of one of the matrix decoding ICs with it
    with a lot of tracing you should be able to...
  22. 60669 what 360 lamps look like...

    60669

    what 360 lamps look like
    https://www.vaxbarn.com/index.php/22-360/9-360-cleaned
  23. If you are going to strip one for the shell,...

    If you are going to strip one for the shell, please take high resolution pictures of everything inside.
    You might also want to check with the Living Computer Museum about restorations, they were...
  24. To be pedantic, IBM and IRMA are two different...

    To be pedantic, IBM and IRMA are two different things. They both talk to 3270 coax, but didn't use the same shared memory protocols. DCA IRMA could do either its own or IBM's protocol in their...
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    Signetics liked to use that epoxy. There is a pic...

    Signetics liked to use that epoxy. There is a pic of a signetics 2513 here http://avitech.com.au/?page_id=2983
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