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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XTIDE Universal BIOS v2.0.0 beta testing thread

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  • Krille
    Originally posted by sparky4 View Post
    i will try the auto detection test later! it dose fail! I do not think it works normally with my XT-IDE 2 card
    compatibility mode
    the default i think 30....

    the 286 cannot have 2 drives! but it works with 1 drive only which is strange

    I think the xtide bios canot detect 2 hard drives well ...
    auto detection works but with oprom.bin version 0.11 only, on my XT that is, which has 2 really large hdds
    all i know is that the bios is not autodetecting hard drives like it is supposed to when there is 2 hard drives
    Just to make sure we are talking about the same thing, the autodetection I'm talking about is the detection of IDE controllers in XTIDECFG, not the detection of drives by the BIOS when booting. Although I am of course interested in problems with that too.

    If the card is jumpered for compatibility mode then XTIDECFG should detect it as an XTIDE rev1 card because that is basically what it is from the software's point of view. If you jumper it to hi-speed mode then it should be detected as an XTIDE rev2. Also note that the autodetection in XTIDECFG doesn't care what BIOS is programmed in the ROM (on the card or elsewhere), what matters is the BIOS loaded in XTIDECFG. To detect an XTIDE card (rev 1 or rev 2) you need to load a BIOS with MODULE_8BIT_IDE. In r567 all the BIOS files contain this module so any of them should work for autodetection.

    The OPROM.BIN version 0.11 is an older BIOS made by hargle and is not a version of the XTIDE Universal BIOS. You probably know this already but I mention it because some people seem to be confused about this.

    As for the 286 with 2 drives; make sure both drives are jumpered correctly. Some very old drives need jumpers specifically for compatibility with other certain drive models. Also make sure the IDE cable is OK.

    Originally posted by Malc View Post
    I decided to try again with R567 XT-IDE BIOS and it looks like the bios is finding the CF Card or something but displays an @ symbol instead of displaying " CF Card " when it detects one. I get an error when trying to access the card.

    Has anyone got a 16-bit controller with CF Card / adapter working in a 5150 ?.
    Krille , James any ideas ?
    Judging by the lack of responses, you are apparently the only one with a 16-bit IDE controller in a 5150. I guess there isn't much else to do but wait until someone else tries this. Or, if someone knows the differences in hardware between the 5150 and 5160 that could also potentially be very helpful.

    Leave a comment:

  • Malc
    Originally posted by RuudB View Post
    The problem is that the 5150 doesn't support external ROMs, AFAIK. Have a look at, please.
    Yes as "GH" said the later bios does support external roms, I have had a 16-bit VGA card and used a 16-bit IDE / Floppy controller with HD Bios and 1.44 floppy's in my 5150 and it worked fine.

    Leave a comment:

  • Malc
    Originally posted by pearce_jj View Post
    (can you spot a 74LS245 on the card, for example?).
    Yes each card i tried has either 2 x 74LS245 or 74LS245N, all the cards i tried work fine in my 5160

    Leave a comment:

  • Great Hierophant
    Originally posted by RuudB View Post
    The problem is that the 5150 doesn't support external ROMs, AFAIK. Have a look at, please.
    Only the first and second BIOS ROMs, which were early and rare. The common third BIOS definitely does.

    Leave a comment:

  • RuudB
    Originally posted by Malc View Post
    Has anyone got a 16-bit controller with CF Card / adapter working in a 5150 ?
    The problem is that the 5150 doesn't support external ROMs, AFAIK. Have a look at, please.

    Leave a comment: