Forum Rules and Etiquette

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.
  • Don't make people guess at what you are trying to say; we are not mind readers. Be clear and concise.
  • Spelling and grammar are not rated, but they do make a post easier to read.
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Apple Macintosh Centris 650 "SuperMac Edition"

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    Apple Macintosh Centris 650 "SuperMac Edition"

    After having found all the drivers needed, I finished my Apple Macintosh Centris 650 "SuperMac Edition" today. This Centris 650 was one of the very first items of my collection, got it about 18 years ago! I made two attempts to restore it in the past but never found the time to finish it - until now. It was completely disassembled and cleaned, the CPU was replaced (not really needed, but I thought it was an LC040 ), the case was improved to suppress clang from vibration when accessing CD-ROMs, and some formerly missing parts were added. It is now the most perfect Macintosh in my collection.

    As for the hardware:
    * 68040 @ 25 MHz (with MMU/FPU)
    * 84 MB RAM
    * 1,44 MB FDD
    * Apple CD300i CD-ROM
    * SuperMac Thunder/24 graphics accelerator card with 3 MB VRAM (won't get any better with NuBus)
    * SuperMac ThunderStorm DSP card with twin AT&T DSP16A chips for PhotoShop acceleration
    * SuperMac VideoSpigot

    Guess why I call it "SuperMac Edition"

    The system is running MacOS 7.6.1. Despite people saying neither the VideoSpigot nor the DSP card are compatible with it, both are fully working.

    The DSP card makes PhotoShop fast as hell, the VideoSpigot allows live video, still-frame grabbing, and video capture, and the CPU is even fast enough for MP3 playback - as long as the MP3 is mono, which is ok since the internal speaker is mono anyway.

    web_P1221242.jpg web_P1231245.jpg

    web_P2121247.jpg web_P2121249.jpg

    More pictures to follow.
    Last edited by Timo W.; February 13, 2017, 11:46 AM. Reason: pics added

    It is a mistake to think you can solve any major problems just with potatoes.


      Nice one indeed!.

      You can try to replace the old SCSI drive with the newer SCSI2SD, I'm using it with a Performa 475 and it works great. Of course is slower (when talking about burst speed); but its access speed beats the old drives, is totally silent and drains less power from the PSU.


        I have a SCSI2SD in my PowerBook 540c. It's a nice replacement for 2,5" SCSI hard disks, but I wouldn't use it to replace a 3,5" SCSI hard disk as long as these are still available. Especially since neither MacOS nor SD cards know the TRIM command and video capture isn't something you'd like to do on media with limited write cycles.

        Anyway, the IBM hard disk is still in good shape and quite silence.


          The IBM drive probably maxes out the internal SCSI BUS anyway.
          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


            Think so, yes.


              That's a very nice restoration. Well done.
              I use my C128 because I am an ornery, stubborn, retro grouch. -- Bob Masse
              Various projects and oddities:
              Machine room:


                After I have reassembled the front panel and the top cover, I'll post some more pictures. The CD-ROM bezel has some light yellowing, but apart from that, it looks fantastic.

                Added two pictures from an earlier state of restoration.
                Last edited by Timo W.; February 13, 2017, 11:45 AM.


                  Fully assembled.