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Forum 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.


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.


Stay close to the original topic being discussed
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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.
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"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:
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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.

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.


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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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  • Spelling and grammar are not rated, but they do make a post easier to read.
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Things to consider when buying a Macintosh SE

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  • #16
    My suggestions echo what has been said here:

    1. always inspect the inside of the mac for exploded battery (and then remove the batt when you get it and replace w/ coin type)
    2. wait and get a FDHD, you will save a lot of time by being able to use the 1.4M floppies in newer macs (or setup AppleTalk and transfer software that way-> NetaTalk)

    They are the 2nd best Mac (first is the se/30) and I love using mine.
    --------
    Hacking IRIX

    Comment


    • #17
      I have never even come across an SE/30 in the wild. I have come across DOZENS AND DOZENS of the rest. (most of which are the horrific Classics which I wont touch with a stick.. All of them melted by batteries,, just best to assume is dead and not waste a buck on them!)

      Seems the SE/30 is as elusive as the Twiggy Mac, in places I searched anyway

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      • #18
        If you were around any east coast uni in the 90's then they were to be had for nothing by the dozens. I used to have about 5, and slowly gave or traded away (or left as I moved around) except for one I kept and re-capped. I would see them in Craig's list every once in a while but yes, in the past 10 years they have become more scarce as have a lot of things. I can only imagine how many have been destroyed by Varta...

        The 'Twiggy Mac' IMHO is a SE/30 with a Radius Color Card and Apple 13" RGB monitor on the side..
        --------
        Hacking IRIX

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        • #19
          I almost have the "awesome Mac" as well. I have a mobius Expansion board for the SE which has a 68030 at 25mhz and a 25mhz FPU with 4 more RAM slots (so essentially my SE is an SE/30... Mostly) It has an expansion for video out but I dont have the connector.. Supposedly someone reverse engineered the pin header and got it to work but the video card option on mine sits blank.. Would be pretty nice to hook it up to a portrait monitor or something unique. But I suppose a color monitor running 640 x 480 or better would be nice.

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          • #20
            I'm guessing you have the TotalSystems Gemini Ultra upgrade board, at least that's what it sounds like. I have one of those boards too, and it's actually faster than an SE/30.

            The only problem is that the memory on the upgrade board can't be used as normal system memory, so you're stuck with the 4 MB max, vs the 128 MB of the SE/30. There is a way to map it to a RAM Disk and use it for virtual memory via Compact Virtual, but it's not the same as having physical memory and applications will be memory bottlenecked still.

            As for the external video on the board, it's not really worth it. It runs at a strange non-standard resolution and is still only black and white, not even greyscale.

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            • #21
              Really? The drivers i have loaded say 8mb system ram. 4 on board and 4 on mainboard.

              If the video out ran at anything higher than the low res compact mac screen. With the 68030 cpu run some real mac games.

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              • #22
                I have 16 MB on my board and while Gemstart can see that it has 16 MB, increasing the available memory with the slider instead uses the hard drive as virtual memory.

                Another problem is the fragmented memory map in the 68000 address space. Instead of a contiguous block of memory mapped devices, they're all over the place in the 4-16 MB region. Since applications need a contiguous chunk of addressable memory, this reduces the maximum size of application you can run. One of the accelerator control panels has an option to reallocate where system devices are located in memory, but this breaks compatibility with some software expecting things to be at certain locations.

                As for the video resolution, it's a mixed bag. If an application is just checking the screen size, then it will help having a larger display, but many games also check the bit depth and will still not launch if the detected bit depth is below a certain number.

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                • #23
                  Originally posted by GiGaBiTe View Post
                  There's really not a lot in the realm of "specs", all Macintosh SE machines are the same, bar the RAM and storage options. They can come with 1, 2.5 or 4 MB of RAM and either one 800k floppy drive and a 20 MB hard drive, or two 800k floppy drives. The later Macintosh SE FDHD has one 1.44MB floppy and one 20 MB hard drive. This is the preferable machine to have because 800k floppies can only be read and written on other 68k Macs.

                  The more important thing to look out for is internally damaged/destroyed machines. Any compact mac is going to have a high chance of the clock battery exploding and leaking all over the logic board and the frame. Problems with the analog board and power supply are also common due to failed/leaking capacitors. Bad solder joints on the analog board and neck board are also very common due to the heat. The CRT having bad burn-in is yet another issue if the machine has high hours since people tended to not use screen savers on their machine.

                  In the worst case, you can end up spending several hundred dollars in parts for an old Mac SE to get it working.
                  Thanks for information.

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