Originally posted by rohcQaH
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AMD Intentionally Crippled Their HDMI Adapters
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First of all: I agree that locking out third party adapters just for the heck of it is not good, but:
Originally posted by AJSB View Post[..], the cards are sold with AMD DVI->HDMI adapter, so, the user of such video cards can use the HDMI as intended...there is no anti-competitive behavior because they supply the adapter anyway.
But again, i might be missing something here...[..]
Still my money is on some DRM reason.
Edit: DHCP -> HDCPLast edited by tstrunk; 08 October 2013, 12:22 PM.
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Originally posted by blackout23 View PostWhat now AMD fanboys? Even RMS recommends NVIDIA hardware, because at least the nouveau driver is really open!
http://stallman.org/to-4chan.html
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Originally posted by blinxwang View PostIf you had done more than just skim the article you'd know that this malaise only affects the closed-source Catalyst drivers and that the FOSS drivers remain unaffcted. With the recent release of HDMI programming documentation by AMD, more cards will be liberated from this condition.
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Originally posted by blinxwang View PostIf you had done more than just skim the article you'd know that this malaise only affects the closed-source Catalyst drivers and that the FOSS drivers remain unaffcted. With the recent release of HDMI programming documentation by AMD, more cards will be liberated from this condition.Test signature
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Originally posted by tstrunk View PostWhat does AMD gain from locking out other adapters?
Other adapters work with the full DVI featureset. For HDMI features (i.e. audio), you need a native HDMI port or a DVI port that knows that it's attached to a HDMI device.
No, I don't know why AMD wants to avoid sending HDMI audio over DVI ports. Marketing, spec adherence, support considerations, licensing or other contracts are just as likely to be the reason. It's not an attempt to make money by monopolizing the adapter market.Last edited by rohcQaH; 08 October 2013, 01:10 PM.
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Oh, now I'm scared with the flame caused by my discovery/e-mail...
Originally posted by gamerk2 View Post...wait, you guys didn't know about this? This is really, really old news we're talking about here...
Btw, try to Google for a moment about ATI HDMI to DVI adapters. You will find bunch of nonsense answers that they have extra pins for audio handling
Originally posted by GreatEmerald View PostWait, I don't get it... So if you have a monitor that only has HDMI, and you have a card that doesn't have any HDMI slots, and you have the ATI DVI in-HDMI out adapter, then you can get audio over the DVI slot? Just how often does such a situation occur?.. And how many "cheap" DVI in-HDMI out adapters even support audio over DVI, given that it's not exactly standard and that not a whole lot of graphics cards support such a thing to begin with? In fact, if a card has no HDMI slots, why would it have an integrated sound card to begin with?..
DVI to HDMI adapters don't have to support audio. They just pass the pins from one output to another.
Yes, many ATI cards don't have HDMI output, but have audio engine. For example my HD4850 has 2xDVI (no HDMI) and can send audio just fine.
Originally posted by rohcQaH View PostSo, did I get this right?
* HDMI audio works fine if you just use a HDMI cable in the HDMI port. As expected.Originally posted by rohcQaH View Post* HDMI audio is disabled on DVI outputs by default, since there is no "DVI audio" standard and thus no guarantee that all available monitors can deal with it.Originally posted by rohcQaH View Post* If you wish to use your DVI output to attach HDMI devices, AMD has made some special converters that, if detected, treat the DVI output as a HDMI output and will enable HDMI-only features such as audio.Originally posted by rohcQaH View PostIt's not a common problem, either. If you need HDMI audio, you can just use the HDMI output, which virtually all newer cards have. Or you just use the adapter that was included with your box at no extra charge.
Originally posted by AJSB View PostUnless there is something i didn't understood correctly, the cards are sold with AMD DVI->HDMI adapter, so, the user of such video cards can use the HDMI as intended...there is no anti-competitive behavior because they supply the adapter anyway.
But again, i might be missing something here...
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So as you can see, it's unlikely that ATI wanted to earn some extra money or really meant to be evil for the users. I think there must some some other explanation. Overall, ATI adapters were almost always included, so it was really nice from them.
I think it may be somehow related to the HDMI licensing issues. That sounds pretty likely for me, but to be sure, you have to ask AMD.
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Article is quite shallow or borderline stupid.
Who would use elcheapo, trivially copiable serial eeprom to lock you into anything ?
It is obvious it is there for some other reasons. Like to differentiate interfaces with decent enough signal integrity or to signal to PC to send the audio ( someone mentioned EDID) etc etc.
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