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Our mission ...

This forum is part of our mission to promote the preservation of vintage computers through education and outreach. (In real life we also run events and have a museum.) We encourage you to join us, participate, share your knowledge, and enjoy.

This forum has been around in this format for over 15 years. These rules and guidelines help us maintain a healthy and active community, and we moderate the forum to keep things on track. Please familiarize yourself with these rules and guidelines.


Rule 1: Remain civil and respectful

There are several hundred people who actively participate here. People come from all different backgrounds and will have different ways of seeing things. You will not agree with everything you read here. Back-and-forth discussions are fine but do not cross the line into rude or disrespectful behavior.

Conduct yourself as you would at any other place where people come together in person to discuss their hobby. If you wouldn't say something to somebody in person, then you probably should not be writing it here.

This should be obvious but, just in case: profanity, threats, slurs against any group (sexual, racial, gender, etc.) will not be tolerated.


Rule 2: Stay close to the original topic being discussed
  • If you are starting a new thread choose a reasonable sub-forum to start your thread. (If you choose incorrectly don't worry, we can fix that.)
  • If you are responding to a thread, stay on topic - the original poster was trying to achieve something. You can always start a new thread instead of potentially "hijacking" an existing thread.



Rule 3: Contribute something meaningful

To put things in engineering terms, we value a high signal to noise ratio. Coming here should not be a waste of time.
  • This is not a chat room. If you are taking less than 30 seconds to make a post then you are probably doing something wrong. A post should be on topic, clear, and contribute something meaningful to the discussion. If people read your posts and feel that their time as been wasted, they will stop reading your posts. Worse yet, they will stop visiting and we'll lose their experience and contributions.
  • Do not bump threads.
  • Do not "necro-post" unless you are following up to a specific person on a specific thread. And even then, that person may have moved on. Just start a new thread for your related topic.
  • Use the Private Message system for posts that are targeted at a specific person.


Rule 4: "PM Sent!" messages (or, how to use the Private Message system)

This forum has a private message feature that we want people to use for messages that are not of general interest to other members.

In short, if you are going to reply to a thread and that reply is targeted to a specific individual and not of interest to anybody else (either now or in the future) then send a private message instead.

Here are some obvious examples of when you should not reply to a thread and use the PM system instead:
  • "PM Sent!": Do not tell the rest of us that you sent a PM ... the forum software will tell the other person that they have a PM waiting.
  • "How much is shipping to ....": This is a very specific and directed question that is not of interest to anybody else.


Why do we have this policy? Sending a "PM Sent!" type message basically wastes everybody else's time by making them having to scroll past a post in a thread that looks to be updated, when the update is not meaningful. And the person you are sending the PM to will be notified by the forum software that they have a message waiting for them. Look up at the top near the right edge where it says 'Notifications' ... if you have a PM waiting, it will tell you there.

Rule 5: Copyright and other legal issues

We are here to discuss vintage computing, so discussing software, books, and other intellectual property that is on-topic is fine. We don't want people using these forums to discuss or enable copyright violations or other things that are against the law; whether you agree with the law or not is irrelevant. Do not use our resources for something that is legally or morally questionable.

Our discussions here generally fall under "fair use." Telling people how to pirate a software title is an example of something that is not allowable here.


Reporting problematic posts

If you see spam, a wildly off-topic post, or something abusive or illegal please report the thread by clicking on the "Report Post" icon. (It looks like an exclamation point in a triangle and it is available under every post.) This send a notification to all of the moderators, so somebody will see it and deal with it.

If you are unsure you may consider sending a private message to a moderator instead.


New user moderation

New users are directly moderated so that we can weed spammers out early. This means that for your first 10 posts you will have some delay before they are seen. We understand this can be disruptive to the flow of conversation and we try to keep up with our new user moderation duties to avoid undue inconvenience. Please do not make duplicate posts, extra posts to bump your post count, or ask the moderators to expedite this process; 10 moderated posts will go by quickly.

New users also have a smaller personal message inbox limit and are rate limited when sending PMs to other users.


Other suggestions
  • Use Google, books, or other definitive sources. There is a lot of information out there.
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My (puny) collection

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    My (puny) collection

    Working from (fuzzy) memory, my collection is in storage in another location. At one time my collection numbered over a hundred machines and many other bits. Today I am down to just a handful of (mostly CP/M) machines:

    Kaypro 1 (1985)
    Kaypro II (1983)
    Kaypro 2 (1984)
    Kaypro 4 (1983)
    Kaypro 10 (with SWP Co-Power 88 co-processor board to run MSDos) (1983)

    California Computer Systems S-100 mainframe (with dual CCS 8" floppy) (1981)
    Homebrew S-100 built into a toolbox (1977)
    Assorted S-100 boards including SD Systems SBC-200 (1983)

    Tandy 102 (198

    Hewlett Packard 75C (1984)

    Texas Instruments CC-40 (1983)

    Nixdorf LK-3000 (1980)

    Compaq Portable 286 (1985)

    Visual Technology Commuter Computer (1984)

    IBM ThinkPad 770E (199

    Unified Controls Inc. portable 386DX-40 (with built-in VGA CRT) (1989)

    That pretty much covers it, IIRC, but am hoping to add some more choice pieces in the near future. My friend and fellow collector is moving his collection to a smaller storage space and will be thinning it out so I should be able to add to my collection, as space permits.

    --T
    Teach your children how to think, not what, and hold 'em close, not tight.
    _____________________________________________

    Please visit the Vintage-Computer Wiki. Contributers welcome.

    #2
    So... you collect Kaypro's, huh?

    hehe, neato collection

    Comment


      #3
      Yeah, my first computer was the Kaypro II an I have had a soft spot for them ever since. I think the main reason I still have them is that they do not seem to bring very good prices on eBay. I value them more than the eBay buyers, apparently. (I paid $125.00 US for the 10!) Right now they are costing me $35.00 a month to store them, so thier value is going up all the time.

      --T
      Teach your children how to think, not what, and hold 'em close, not tight.
      _____________________________________________

      Please visit the Vintage-Computer Wiki. Contributers welcome.

      Comment


        #4
        Do you happen to have any spare 8" floppy disks laying around? Hell, it doesn't even have to work, I'd just like to get my hands on one. No one in this area believes they ever existed.

        And I know what ya mean about the older machines not fetching their value on EBay. Seems like the only times you see something go for a decent price, is when it's something *I* want. Of course, it goes way out of my range....
        I swear, it's a conspiracy.
        "There are millions of people out there who swear that I am *NOT* right in the head. There are millions more who swear I *AM* right in the head. Oddly enough, they all make this claim for the SAME REASONS!" - Me.

        http://www.authorhouse.com/BookStore...kid~35876.aspx

        ^^^My book.

        Comment


          #5
          Originally posted by Kaptain Skitzo
          Do you happen to have any spare 8" floppy disks laying around? Hell, it doesn't even have to work, I'd just like to get my hands on one. No one in this area believes they ever existed.
          I've got at least a hundred or so 8" floppies for my various machines. Send me a PM with your mailing address and I'm sure I can find a junker to send off.

          Originally posted by Kaptain Skitzo
          And I know what ya mean about the older machines not fetching their value on EBay. Seems like the only times you see something go for a decent price, is when it's something *I* want. Of course, it goes way out of my range....
          I swear, it's a conspiracy.
          It does seem that way sometimes. Every once in a rare while I do find a good deal on eBay and it makes up for all of the missed opportunities and bad deals that I end up with.

          Erik
          The Vintage Computer and Gaming Marketplace
          The Vintage Computer

          Comment


            #6
            Erik- the disk arrived yesterday....looks fantastic. Really flipped my fiance out. Thanks again! Any idea how much data those things held?

            It was funny, she looked at it, said "I've never seen one of those before."
            Then I held it in front of her tower, and pointed out "the disk drive that this fits in, is probably bigger than your computer. And that's just the DISK DRIVE."
            "There are millions of people out there who swear that I am *NOT* right in the head. There are millions more who swear I *AM* right in the head. Oddly enough, they all make this claim for the SAME REASONS!" - Me.

            http://www.authorhouse.com/BookStore...kid~35876.aspx

            ^^^My book.

            Comment


              #7
              Originally posted by Kaptain Skitzo
              Erik- the disk arrived yesterday....looks fantastic. Really flipped my fiance out. Thanks again! Any idea how much data those things held?
              You're welcome! I'm glad it arrived safely!

              The capacity for 8" media varied from about 250K at the very low end to about 500K for a SS/SD format up past 2MB for a DS/DD.

              Originally posted by Kaptain Skitzo
              It was funny, she looked at it, said "I've never seen one of those before."
              Then I held it in front of her tower, and pointed out "the disk drive that this fits in, is probably bigger than your computer. And that's just the DISK DRIVE."
              The drives certainly outweigh a current PC as well. They are VERY heavy! I know because I've carried enough of them around. . .

              Enjoy!

              Erik
              The Vintage Computer and Gaming Marketplace
              The Vintage Computer

              Comment


                #8
                Heh! The other day, my g/f's son walked in the house and saw me playing around with some 5-1/4" floppies. He asked me, "Do you actually have any machines that use those big floppies?" I said, "Big? These are just mini-disks," as I walked into the bedroom. I came out with an 8" disk and told him "This is what is called a 'standard size' disk". I thought he was gonna have a seizure, he was laughing so hard...

                --T
                Teach your children how to think, not what, and hold 'em close, not tight.
                _____________________________________________

                Please visit the Vintage-Computer Wiki. Contributers welcome.

                Comment


                  #9
                  "Terry Yager" wrote:

                  > Heh! The other day, my g/f's son walked in the
                  > house and saw me playing around with some
                  > 5-1/4" floppies. He asked me, "Do you actually
                  > have any machines that use those big floppies?"
                  > I said, "Big? These are just mini-disks," as I
                  > walked into the bedroom. I came out with an 8"
                  > disk and told him "This is what is called a
                  > 'standard size' disk". I thought he was gonna
                  > have a seizure, he was laughing so hard...

                  How about one of those huge tape reels which you
                  may see a Mainframe computer using. I mean
                  in comparision to a disk, those can be quite big!

                  Perhaps it's time to show you girl friends(?) Son
                  how big, a computer system can get, at least it
                  might give him some insight into how BIG things
                  can get!

                  Cheers,
                  CP/M User.
                  Generic and Amstrad CPC based Programs written in Turbo Pascal 3

                  Comment


                    #10
                    Sometimes I consider myself fortunate that I didnt have to learn punchcards, sliderules, real to real tapes, and 8" floppy disks.

                    I am from the generation that could still do math with pencil and paper (ask a kid to try that today) but was fortunate enough to have programable calculaters and home computers.
                    What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
                    Nubus/ISA/VLB/MCA/EISA cards of all types
                    Boxed apps and games for the above systems
                    Analog video capture cards/software and complete systems

                    Comment


                      #11
                      "Unknown_K" wrote:

                      > Sometimes I consider myself fortunate that I
                      > didnt have to learn punchcards, sliderules, real
                      > to real tapes, and 8" floppy disks.

                      Sliderules?

                      I don't see what the difference from a 8" disk
                      would be from a 5.25"/3.5"/3" etc except for the
                      size. Though by the time I found out about them,
                      they were just something been sold in the local
                      office shop for $100 for a box of 10!

                      I guess the closest I came to punchcards was to
                      think like a punchcard when writing COBOL &
                      Fortran programs. Certainally it was the case of
                      creating some errors.

                      > I am from the generation that could still do
                      > math with pencil and paper (ask a kid to try
                      > that today) but was fortunate enough to have
                      > programable calculaters and home computers.

                      I had to do Pencil & Paper way too, but I was
                      terrible (particularly long multiplication &
                      subtracting bigger numbers over smaller!).
                      If it's Basic maths then I'm still okay I suppose.

                      'Ol trusty scientific calc is great for BASE-N
                      calculations (Dec -> Hex or Bin or Oct), even
                      though they did show me the Ol' fashion way!).

                      Cheers,
                      CP/M User.
                      Generic and Amstrad CPC based Programs written in Turbo Pascal 3

                      Comment


                        #12
                        Sliderules were used to make calculations (mostly engineers/architects) before digital calculators existed. I guess they are collectable, never seen one to see how they work.
                        What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
                        Nubus/ISA/VLB/MCA/EISA cards of all types
                        Boxed apps and games for the above systems
                        Analog video capture cards/software and complete systems

                        Comment


                          #13
                          Originally posted by Unknown_K
                          Sliderules were used to make calculations (mostly engineers/architects) before digital calculators existed. I guess they are collectable, never seen one to see how they work.
                          They work fine. I still have mine, maybe two of them.

                          Comment


                            #14
                            "barryp" wrote:

                            >> Sliderules were used to make calculations
                            >> (mostly engineers/architects) before
                            >> digital calculators existed. I guess they are
                            >> collectable, never seen one to see how they
                            >> work.

                            > They work fine. I still have mine, maybe two
                            > of them.

                            No wonder I didn't know what Unknown_K was
                            on about, since he had me imagining a Sliderule
                            as some sort of recordable media, you just
                            wanted to play a little game of picking the odd
                            one out, didn't you?!

                            Cheers,
                            CP/M User.
                            Generic and Amstrad CPC based Programs written in Turbo Pascal 3

                            Comment

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