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Issues with DVI to VGA adapters

Started by silverscout16 · · 👁 3 views · 9 replies

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Participants silverscout16William Richardson12fadedorca66Sandra Cook60wiredotter14Ashley Wood3Larry Ortiz5
silverscout16 silverscout16 NewcomerOP
7 messages
joined Oct 2018
#1 ·
My motherboard only has a DVI port, while my monitor is strictly VGA, so I went out and picked up a DVI-to-VGA adapter. Turns out, there’s more than one way to slice DVI. My motherboard uses a 24x1 setup, but this adapter has a 24x5 configuration. When I try to plug it in, it won't even seat because those four extra pins are in the way—plus, the main wide pin is actually wider than the slot on my board. I’m wondering if it’s even worth trying to mod this thing. Could I just snap off those four extra pins with some pliers and maybe sand down the wide pin so it actually fits? If I managed to force the physical connection,
would I actually get a decent picture on the VGA monitor afterward?
Here’s what both versions look like: https://c.76.my/Malaysia/dvi-to-vga-...-F757050_1.jpg
William Richardson12 William Richardson12 Regular
301 messages
joined Aug 2014
#2 ·
NO!!! Your graphics card is pumping out a DVI digital signal, but that converter you've got is for DVI-ANALOG to VGA. Forget it... you're better off just finding a used monitor that actually has DVI-D built in.
silverscout16 silverscout16 NewcomerOP
7 messages
joined Oct 2018
#3 ·
Look, I get it—we’re talking about an analog signal here, so the picture quality is going to be pretty rough. But honestly? This is just a mining rig that I check on for a few minutes a day. I don't need some high-end 4K display for this; even an old monitor from the 90s does the job just fine. I’m not even plugging it into a dedicated GPU (I could, but then I’d just be hunting for another HDMI-to-VGA dongle), I'm running it straight off the motherboard using the integrated graphics on the Intel chip. My main question is whether that adapter setup I mentioned in my first post will actually work for this specific situation.
fadedorca66 fadedorca66 Regular
372 messages
joined Nov 2022
#4 ·
There are actually several different kinds of DVI connectors out there, and you’re likely dealing with the difference between DVI-I and DVI-D. It looks like your motherboard has a DVI-D port, which is strictly digital. For that adapter to even work, you'd need a DVI-I port that supports both digital and analog signals.

The pins you’re thinking about bending or cutting off are specifically there to carry the analog signal. So, if you just rip them out, you probably won't get anything on your screen at all.

https://upload.wikimedia.org/wikiped..._Types.svg.png
Sandra Cook60 Sandra Cook60 Active Member
80 messages
joined Oct 2014
#5 ·
Are you even sure which type of FBI connection you have?
One needs to examine this very closely, though there is a solution for everything.
Look here: https://en.wikipedia.org/wiki/DVI

Some adapters are dirt cheap, while others cost a bit more. You simply have to be extremely careful about what you actually need, what is being sold, and what you end up buying.

If you are missing pins for an analog output, you will specifically need a pricier one with a built-in chip to convert it to analog signals... then you won't have any issues.
The picture looks great, but what are they thinking—that digital is somehow better than analog? There isn't much difference here or there, and analog lasts longer regardless.
It isn't true that digital is always superior; that's just marketing and a way to make money. How did we survive until now? Biology is best. Digital can never come close to biology, nor can analog.
Take a single example: a beetle that glows at night to find a mate produces light with minimal energy, so efficiently that only 2% is wasted as heat. That is 98% efficiency. That is biology. Man cannot replicate that with any technology. Or consider our eyes; there isn't a camera in existence that can match them, let alone get close. And when you consider animal eyes, artificial tech doesn't stand a chance.

I know adapters exist, but I don't know where to buy one. You'll have to put in the effort yourself, or perhaps someone who already bought one will chime in.

Brotherhood
wiredotter14 wiredotter14 Regular
433 messages
joined Aug 2007
#6 ·
John Turner34 said:That’s just not true. All this "digital is better" talk is pure marketing—it's about the money. How did we even survive before this? Biology is still king. Digital can never touch the level of biology or even analog.

Brotherhood

Man, you really went off there. An analog signal is continuous electromagnetic waves; digital is just broken up electromagnetic values.
Both are just electronics.
What does any of that have to do with biology?

Anyway, irrelevant to the thread. You can always grab an active DVI-I to VGA converter, but personally, I wouldn't waste the cash on an old monitor.

https://www.bestbuy.com/ad...m_medium=click
Ashley Wood3 Ashley Wood3 Member
28 messages
joined Jul 2017
#7 ·
John Turner34 said:Or even our own eyes—honestly, there isn't a camera on this planet capable of matching that, not even close. And as for animal vision? There is absolutely no way artificial technology could ever replicate that level of natural perception.

While I suppose one could argue a high-end camera might technically surpass the human visual system in specific instances, we must remember that our own perception is inherently limited; we aren't necessarily equipped to judge the absolute fidelity of an elite imaging system, much like how a subpar monitor fails to accurately render color or contrast in certain lighting conditions. Furthermore, one has to consider the specialized capabilities of modern tech: the precision of extreme zooming, the grace of high-speed slow-motion footage capturing a hummingbird in mid-air, or even the utility of thermal imaging and advanced medical scanners that can peer through barriers with incredible accuracy.
wiredotter14 wiredotter14 Regular
433 messages
joined Aug 2007
#8 ·
Look, at the end of the day, it’s got nothing to do with the analog signal. That’s just the way info gets encoded and sent over. It doesn't mean your TV has some cow's ear listening to an analog frequency and whispering secrets to the cathode ray tube.
Larry Ortiz5 Larry Ortiz5 Regular
710 messages
joined May 2020
#9 ·
Honestly, whenever I see one of his posts, they’re always so long that I just can't bring myself to finish them—he always ends up wandering off onto a tangent anyway 😁
silverscout16 silverscout16 NewcomerOP
7 messages
joined Oct 2018
#10 ·
Thanks for the input, everyone. I did some digging into the differences between DVI-D and DVI-I, and it turns out modifying a DVI-I port isn't really an option since those four specific pins are dedicated to the analog signal. My plan is just to grab a DVI-D to VGA converter and call it a day. The monitor is definitely an old relic, but it’s an LCD and still works perfectly fine for what I need, so $67 the converter won't be an issue. Looking at the replies, this thread has veered pretty far off course—suddenly we're talking about biology and camera gear. Can a mod please lock this thread? Problem solved. Thanks for the advice.

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