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Type: Posts; User: new_castle_j

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  1. Replies
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    Excellent idea, I've sent a posting to the...

    Excellent idea, I've sent a posting to the GreenKeys list.
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    More good news, another advertisement confirms...

    More good news, another advertisement confirms that a Sol-20 is not necessary to operate this board, it just needs console and I/O patches for any particular system. I've already got CONOUT patched,...
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    Still messing around with this board, a little...

    Still messing around with this board, a little more research has turned up some useful information. The following advertisement points out the board's components. (this is the closest I can come to...
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    A little more progress... maybe. I was able to...

    A little more progress... maybe. I was able to port the ROM on the Morse-Baudot board over to a COM file that is executable under CP/M. I could see the ROM code calling the SOLOS output routine...
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    A little bit of progress, thanks to Jim Battle's...

    A little bit of progress, thanks to Jim Battle's SOL-20 emulator. I can load the ROM image from the Baudot board into the emulator and execute it. The ROM code relies on the SOL personality module...
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    Wonderful, thank you for all the responses. Any...

    Wonderful, thank you for all the responses. Any guesses as to what the empty socket in the upper left of the board is for? The two chips to the left of the empty socket are ILD74, ILQ74 opto...
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    According to the attached article, the ROM...

    According to the attached article, the ROM software on this board was developed on an ALTAIR with a Tarbell cassette system, an ASR-33 Teletype and some SOL-20 boards and utilities. Oh, and a...
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    Using an IMSAI with the Cromemco 8K bytesaver (I...

    Using an IMSAI with the Cromemco 8K bytesaver (I knew it would come in handy some day) I was able to dump the contents of the ROMs into a HEX file capture on my laptop terminal and from there convert...
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    Morse-Baudot

    Does anyone else have one of these Morse-Baudot S-100 boards by Curtis Electro? It looks like basically a fancy UART with onboard ROMs to presumably handle ASCII to Morse conversion. I'm...
  10. Tarbell Floppy controller modification

    What is the purpose of this giant ceramic resistor on the back of my Tarbell floppy controller? Obviously it's not stock.

    55448 55449
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    I had a few phone conversations with Jerry, his...

    I had a few phone conversations with Jerry, his company ICM was one of the main competitors to IMS and made some very sophisticated boards based on DMA communication over the S-100 bus. He's very...
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    Thanks for the references, I've done a lot of...

    Thanks for the references, I've done a lot of reading and should clarify that TurboDos v1.40c or v1.41a from IMS L/F-Tech were the last 2 releases that supported the board set that I'm building up. ...
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    Pictures are always good to have, I thought I'd...

    Pictures are always good to have, I thought I'd add one. Currently it has 2 floppy controllers installed, one for 8" drives and another for 5.25" drives. Still awaiting installation is a second 64K...
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    Well, I got a disk for the system, and it's...

    Well, I got a disk for the system, and it's booting to a basic single-user operating system. The disk had a pre-configured OS on it, but no driver files (.REL files). I'm not able to re-configure...
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    Yes, it's the clean design that attracts me too,...

    Yes, it's the clean design that attracts me too, and the fact that they don't seem to deteriorate with age. Most of the TurboDOS systems were built around single board computers, these are earlier...
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    IMS/LF-Technologies System Build

    5406654067540685406954070

    I've got a full array of IMS/LF Technologies boards that I would like to build into a system. There's only one problem, I don't have the operating system disk. I've...
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    Just reporting that the system is back up and...

    Just reporting that the system is back up and running. Didn't take a whole lot of effort, just the usual of going gentle on the power supply, cleaning (especially the floppy drives) and locating the...
  18. See if your disk matches up to the description of...

    See if your disk matches up to the description of the CDC 9406 here:
    ...
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    Yes, I do have the manual for the 1100...

    Yes, I do have the manual for the 1100 controller, and I also have a few 1100 controllers in my stash so I don't need the one up on Ebay. I will send the manual to you.
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    I happen to know that the machine ended up in...

    I happen to know that the machine ended up in good hands ( not mine however ) and will be brought back to working order.
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    I have a few TurboDOS systems from different...

    I have a few TurboDOS systems from different companies, Intercontinental Micro, Teletek, Northstar, and Industrial Microsystems. This latest project I'm working on is an IMS 5000, which is nearly...
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    52885 The "IPL ALL" ROM enables a system with...

    52885

    The "IPL ALL" ROM enables a system with one of their Z80-451, Z80-645, or Z80-971 processor boards to boot from their 1100 series Winchester disk controllers (picture attached). In case...
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    Looking for ROMs

    528455284652847

    Hello Everyone,

    I'm hoping that somebody out there has an S-100 card from Industrial Micro Systems or L/F Technologies with a ROM chip labeled "IPL ALL" This was a later...
  24. There is a manual available here: ...

    There is a manual available here: http://vintagecomputer.ca/files/MicroSolutions/uniform_4_dos.pdf

    Here's a pull quote from the introduction: "UniForm is so easy to use that you will rarely need...
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    In 2009 there was a guy in Austrailia who was...

    In 2009 there was a guy in Austrailia who was restoring an IMS 5000 machine, the boards in it were as follows:
    64Kb Dynamic Ram Board IMS C00464
    I/O Board IMS c00442
    Z80 CPU...
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