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Type: Posts; User: kgober

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  1. Replies
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    I took pictures, but now I'm not sure what...

    I took pictures, but now I'm not sure what exactly it is that I have. The case this board was in has a '339' sticker, which as far as I know means it's an 8MHz model. But it's very clearly a 6MHz...
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    I couldn't resist checking again before leaving...

    I couldn't resist checking again before leaving the house this morning (got to work late as a result, oh well) and it turns out that the three I checked are one each of Type 1, Type 2, and Type 3. ...
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    I finally got a chance to take a look at some of...

    I finally got a chance to take a look at some of my ATs, and it looks like I have one Type 1, and two Type 2 systems. (One of the Type 2's might actually be a Type 3 with the label missing, I didn't...
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    You could probably also make a tiny driver...

    You could probably also make a tiny driver invoked from CONFIG.SYS that adjusts the BDA then exits. But calling a tiny COM file from AUTOEXEC.BAT is probably a lot more convenient.
  5. Thread: Strange Cable

    by kgober
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    386

    If you aren't even sure whether something is...

    If you aren't even sure whether something is possible, "works for me" can be a very useful response because it tells you that there's hope that it will work for you, all you have to do is figure out...
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    Is the question how to read it, or how to...

    Is the question how to read it, or how to interpret the data stored on it?

    If you want to read the tape but you don't have the needed hardware, all you need to know is that each (large) hole...
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    292

    If you consider that it was common for PCs and...

    If you consider that it was common for PCs and XTs to have power supplies with capacities ranging from 85W to 150W or so, then I'd say it's reasonable to assume that the system unit won't draw much...
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    In general, more cache is better but you get...

    In general, more cache is better but you get diminishing returns (i.e. twice as much cache is a bit less than twice as good). When caching was newly introduced to PCs it was entirely optional and...
  9. AAA means top-tier, the products with the biggest...

    AAA means top-tier, the products with the biggest budgets from the biggest publishers like EA, Blizzard, etc. As opposed to releases from smaller "indie" publishers (which despite having smaller...
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    It doesn't have to be GIF format but I figured...

    It doesn't have to be GIF format but I figured that would probably be the easiest option that was popular during the period when DOS, Windows 3.0, Windows 3.1, and Windows 3.11 were popular, and...
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    Who here remembers the days when there were...

    Who here remembers the days when there were multiple incompatible email networks, and sometimes in order to send an email you'd have to do things like address it to...
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    7,542

    Email only "just works" when you're using a...

    Email only "just works" when you're using a provider that's complying with the latest email standards regarding signing, authentication and DNS. In other words, providers that have done all the...
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    I'm not saying that people need to upgrade...

    I'm not saying that people need to upgrade because I said so or some corporation said so, I'm saying that if you want to "like" your nephew's wedding photos on Facebook you are going to have to use a...
  14. Wikipedia says yes:...

    Wikipedia says yes: https://en.wikipedia.org/wiki/Bus_mouse

    The information you need is on the sidebar at the right, below the pinout information: "XA/XB and YA/YB indicate movement and direction...
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    I believe "odpr" means it's a "replacement"...

    I believe "odpr" means it's a "replacement" overdrive processor (which means it replaces the original CPU) rather than an "upgrade" overdrive processor that goes into a dedicated overdrive upgrade...
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    If it were just you and you were happy with the...

    If it were just you and you were happy with the status quo, then no you don't need to upgrade. But if you plan to be on the Internet, and interact with other people via the Internet (e.g....
  17. I can't help but wonder, would it be easier to...

    I can't help but wonder, would it be easier to connect this mouse to a bus mouse card, rather than a serial port?
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    It sounds like you're on the right track. With...

    It sounds like you're on the right track. With mTCP you'll definitely want to use the packet driver rather than the ODI driver.
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    IPX and IP are just two different protocols for...

    IPX and IP are just two different protocols for putting data into packets. In this case, Ethernet packets. An Ethernet switch won't care what kind of packets you use, it just forwards them from one...
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    Also while doing some more research I found that...

    Also while doing some more research I found that the proper term for the not-RGB ordering is "BGR". I'm getting lots more hits using "BGR" than "RBG" and as a bonus "BGR" and "RGB" are much more...
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    I wouldn't expect this to be something a stock...

    I wouldn't expect this to be something a stock chip would do. My guess would have been some kind of resistor/capacitor setup. I did some quick reading and op-amps might need to be involved. Analog...
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    It seems crazy but I suppose it might be...

    It seems crazy but I suppose it might be possible. But if this was deliberate I'd guess it was to match the dot/stripe pitch of a specific CRT, not the timing. If the red waveform is early and the...
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    I don't see any reason not to give it a try. A...

    I don't see any reason not to give it a try. A 1.4MHz signal has a wavelength of 214 meters, and your lines are a tiny fraction of that. As long as the capacitance of your lines is small I'd guess...
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    I've seen bad results when you try to mess with...

    I've seen bad results when you try to mess with the head step rate on a floppy drive. Printers don't generally let you do this; I assume the designer of the printer set things up so that only 'safe'...
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    I suspect that the way this all works is based on...

    I suspect that the way this all works is based on the fact that the print head has mass and momentum, and is connected to the stepper motor using a rubber belt. So instead of thinking of head motion...
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