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  • glitch's Avatar
    Today, 04:04 PM
    glitch replied to a thread Digiac 4500 Fixup/Repurpose in S-100
    Yup, when the guy who's getting the box says he wants it that way! The cables from the SCP board to the backplate I/O connectors are not original, I...
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    20 replies | 2902 view(s)
  • glitch's Avatar
    Today, 03:58 PM
    glitch replied to a thread CIT-101 terminal in DEC
    Even then, they can often be rejuvenated -- Sark/RetroHacker_ has done that for several of my CRT-containing devices when the option was that or...
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    8 replies | 221 view(s)
  • glitch's Avatar
    Today, 03:56 PM
    glitch replied to a thread Wire wrap in Minis and Mainframes
    Indeed, I learned wire wrap due to too many issues trying to prototype circuits with CPUs that require a real data and address bus (e.g. not...
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    16 replies | 214 view(s)
  • glitch's Avatar
    Today, 06:57 AM
    glitch replied to a thread Wire wrap in Minis and Mainframes
    Not only does it cold weld (when you use a proper tool with the proper wire), but silver oxide conducts nearly as well as silver. That's why it's...
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    16 replies | 214 view(s)
  • wa2flq's Avatar
    Today, 12:22 AM
    wa2flq replied to a thread Testing a DEQNA (M7504) board in DEC
    The plastic handles are the usual spots for the revision stamps (component side). I don't recall what the fix was for, but I doubt that the DD drive...
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    11 replies | 198 view(s)
  • 8008guy's Avatar
    Yesterday, 07:55 PM
    8008guy replied to a thread Tiny, Wireless 8008 Emulator in Pre-Altair Microcomputers
    I need to dig through my stash of keyboards. A few years ago I bought a couple of unencoded keyboards off ebay. From what I am thinking they are...
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    12 replies | 3102 view(s)
  • glitch's Avatar
    Yesterday, 05:35 PM
    glitch replied to a thread CIT-101 terminal in DEC
    The VT-100 and the CIT-101 are totally different animals inside. I've got both. The keyboards are definitely *not* compatible, though I think I've...
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    8 replies | 221 view(s)
  • jackrubin's Avatar
    Yesterday, 05:35 PM
    jackrubin replied to a thread PDP-9 at the RICM in DEC
    Nicely put, Mike - I didn't know you did understatement! :>)
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    9 replies | 250 view(s)
  • glitch's Avatar
    Yesterday, 06:51 AM
    glitch replied to a thread Wire wrap in Minis and Mainframes
    Hah, yeah, big wire wrap boards can be a bit...intimidating :) Some of those big ones are done with automatic or semi-automatic machines.
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    16 replies | 214 view(s)
  • glitch's Avatar
    Yesterday, 06:07 AM
    glitch replied to a thread Its Back!!! IMS 8000 in S-100
    I've got a quantity of them, if you can't find a source in the UK. PM me if you need some!
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    6 replies | 126 view(s)
  • wa2flq's Avatar
    February 17th, 2019, 07:11 PM
    wa2flq replied to a thread Testing a DEQNA (M7504) board in DEC
    I get the feeling that it dies near the code that determines the actual device type. Perhaps interrupts are being missed? If the DLV11J is a true...
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    11 replies | 198 view(s)
  • glitch's Avatar
    February 17th, 2019, 05:50 PM
    glitch replied to a thread Its Back!!! IMS 8000 in S-100
    Excellent! Just got another not-IMS system finished today with an IMS 4 MHz Z80 board, they seemed to make really solid hardware. Glad to see it...
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    6 replies | 126 view(s)
  • glitch's Avatar
    February 17th, 2019, 10:52 AM
    glitch replied to a thread Digiac 4500 Fixup/Repurpose in S-100
    Today I finished assembling the system! Here's the card cage. From front to rear: reproduction SSM IO-2 for ROM and mini front panel, IMS 4...
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    20 replies | 2902 view(s)
  • glitch's Avatar
    February 17th, 2019, 10:51 AM
    glitch replied to a thread Digiac 4500 Fixup/Repurpose in S-100
    Gorgo did deliver on documentation for the Digiac 4500, and I've continued my efforts into rebuilding/repurposing this one. It's pretty much done...
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    20 replies | 2902 view(s)
  • jackrubin's Avatar
    February 17th, 2019, 09:13 AM
    jackrubin replied to a thread Goodbye Cctech Mailing List in DEC
    +1, Mike - and even better, it was easier to follow as a narrative in the digest than in a series of one-off emails.
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    16 replies | 573 view(s)
  • glitch's Avatar
    February 17th, 2019, 08:33 AM
    glitch replied to a thread GW-XTIDE-CF1, a CompactFlash Adapter for XT-IDEs in PCs and Clones
    Yep, I mentioned above that I might see if I can shorten it to clear the ROM option switches when using a right-angle IDE header.
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    28 replies | 968 view(s)
  • glitch's Avatar
    February 16th, 2019, 04:46 PM
    glitch replied to a thread GW-XTIDE-CF1, a CompactFlash Adapter for XT-IDEs in PCs and Clones
    Thanks everyone! I don't know of a readily available ISA bracket with the CF slot in the right place and the same mounting holes. I will measure...
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    28 replies | 968 view(s)
  • glitch's Avatar
    February 16th, 2019, 02:53 PM
    glitch replied to a thread GW-XTIDE-CF1, a CompactFlash Adapter for XT-IDEs in PCs and Clones
    Prototypes are in! Assembled module. Pretty sure the CF socket soldered down faster than the 40-pin IDE header. My new footprint matched up...
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    28 replies | 968 view(s)
  • glitch's Avatar
    February 16th, 2019, 09:15 AM
    glitch replied to a thread Major disappointment in General Vintage Computer Discussions
    I've got the Plus version of the Z80 board as well, I haven't had time to play with the SCSI option but I'd like to get it going at some point! On...
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    5 replies | 198 view(s)
  • glitch's Avatar
    February 16th, 2019, 09:11 AM
    glitch replied to a thread WTB: Ampro Little Board/PC ISA expansion in Vintage Computer Items Wanted
    It should be 8-bit PC/104, Ampro called it "StackPlane" back then but IIRC it's just the 8-bit section of a PC/104 header. They of course used the...
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    2 replies | 62 view(s)
  • jackrubin's Avatar
    February 16th, 2019, 03:22 AM
    jackrubin replied to a thread Goodbye Cctech Mailing List in DEC
    I subscribe to the daily digest which means I just get one email a day, organized with a table of contents and then individual messages to follow....
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    16 replies | 573 view(s)
  • wa2flq's Avatar
    February 15th, 2019, 12:18 PM
    wa2flq replied to a thread Testing a DEQNA (M7504) board in DEC
    I believe the last two digits indicate a revision level. There is some supplemental information in the EK-DELQA-UG-002 and EK-DEQNA-UG-001 about...
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    11 replies | 198 view(s)
  • glitch's Avatar
    February 15th, 2019, 07:07 AM
    glitch replied to a thread Crazy NASA Motherloade auction in Vintage Computer Auctions
    Wrong coast for me, but I bet there's some cool stuff in there!
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    4 replies | 243 view(s)
  • wa2flq's Avatar
    February 14th, 2019, 07:37 PM
    wa2flq replied to a thread Bought a PDP-11/03-L in DEC
    The quad board was the original release of the UC07. The latest firmware rev for the UC07 I am aware of is G143R on dual board. I reviewed my...
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    65 replies | 4032 view(s)
  • glitch's Avatar
    February 14th, 2019, 12:53 PM
    glitch replied to a thread IBM PC/XT/AT racketeer in PCs and Clones
    The only thing I could see that *might* sell them at those prices would be some industrial customer that just has to have it to put a line back in...
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    25 replies | 729 view(s)
  • glitch's Avatar
    February 14th, 2019, 07:25 AM
    glitch replied to a thread IBM PC/XT/AT racketeer in PCs and Clones
    A popular one is the "Lil'7" one-tube design, which is based off of adapters sold to allow one to play records to their AM radio, I guess so you...
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    25 replies | 729 view(s)
  • wa2flq's Avatar
    February 14th, 2019, 06:02 AM
    wa2flq replied to a thread Bought a PDP-11/03-L in DEC
    Yes that is true. My intent was to keep the configuration complexity low and provide options with row risks for someone new to the architecture. ...
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    65 replies | 4032 view(s)
  • wa2flq's Avatar
    February 13th, 2019, 10:01 PM
    wa2flq replied to a thread Bought a PDP-11/03-L in DEC
    I researched this a bit more. If you look at pictures of the component and solder side of the board, you will see that the CD slots of the board only...
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    65 replies | 4032 view(s)
  • 8008guy's Avatar
    February 13th, 2019, 08:19 PM
    8008guy replied to a thread Tiny, Wireless 8008 Emulator in Pre-Altair Microcomputers
    Posting the code would be awesome. Len
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    12 replies | 3102 view(s)
  • glitch's Avatar
    February 13th, 2019, 07:50 PM
    glitch replied to a thread Tiny, Wireless 8008 Emulator in Pre-Altair Microcomputers
    It'd be hard to pick a more fitting donor :p Seriously though, these are super common, they have little value, and a dead one is at this point hardly...
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    12 replies | 3102 view(s)
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