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[Official] 7870 Tahiti LE (XT) Owners Club - Page 69

post #681 of 5223
bluesman,can u highlight on the pcb diagram where the vrms are that are bare of heatsinks plz
post #682 of 5223
Quote:
Originally Posted by crayneogeo View Post

I have been pulling my hair out trying to diagnose my sound issue with the MYST card. I finally made a video and posted it to the powercolor tech people, but thought maybe someone here could see if they have the same issue.

td:lr

No matter what I do, I cannot get two sound sources to show up in my sound panel. With my old card, I would have multiple entries, and I could just choose the one I wanted. With the ati card, it will only show one at a time, no matter what I do.

I have done already:

multiple cables
multiple adapters
multiple monitors
multiple drivers (both realtek and CCC)
multiple PC's (both win 7 and win 8).
multiple cards (I bought two for xfire, both act the same way).

The reason I need this is I normally have my PC hooked up to my main monitor and my receiver, and depending on what I am doing, I switch the sound (ie. watching a movie, I would switch to the tv).

I just want to find out if this is normal for ATI cards? my Nvidia card has no problem with this. Please excuse the crappy video and my cat, she is almost 18 years old and has dimensia!


Well, I finally got a useful response over at the AVS forums. It turns out the issue is the cards support only ONE hdmi audio source, and if you want to use the displayport to output audio to an HDMI device you must use and ACTIVE adapter. Similar to how you cannot get more than two monitors to run off one of these ATI cards without active displayport adapters since they evidently only support two HDMI video sources.

I hope this post helps someone in the future!

Original response below:

AMD card supports up to six audio streams. The supported configurations are

- HDMI+DP+DP+DP+DP+DP
- DP+DP+DP+DP+DP+DP

(The point is that HDMI is allowed only once.) If you want to use two HDMI devices for audio, you have to use an active DP to HDMI adapter. (A passive adapter won't work as it simply transmits HDMI signals over a DP connector.)
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post #683 of 5223
I'm trying to find out if there are any cards that have the voltage unlocked and having problems discovering this. Hoping owners might have some insight.

Sent from my Nexus 7 using Tapatalk HD
post #684 of 5223
cokker can u confirm you have this as it dosnt say it fits our card
The Accelero Mono PLUS is equipped with a universal mounting mechanism, offers full support to a broad range of graphic cards. A 120 mm PWM fan and five heatpipes provide an ultimate cooling performance and a virtually silent environment at all times.
The Accelero Mono PLUS operates at a maximum cooling capacity of 200 Watts. It is equipped with a 120 mm PWM fan and five heatpipes that dissipate a large amount of heat instantly. It ensures that the VGA graphic card can run under optimal temperature for an extended service life.
Operated by a low noise impeller enclosed in a patented fan holder to reduce the buzzing sound when the fan is spinning, the Accelero Mono PLUS is barely audible even running at full load. To enable minimum noise level at all circumstances, the PWM controller enables the fan to run at the optimal speed according to the load generated by the GPU.

- Supports AMD 6950 / 6870 / 6850 /6790 / 6770 / 6750 / 5870 / 5850 / 5830 / 5770 / 5750
- Supports Nvidia 560Ti / 560 / 550Ti / 550 / 465 / 460 SE / 460 / 9800 GTX+ / 9800 GTX / 9800 GT / 9600 GT
- Max. Cooling Capacity: 200 Watts
post #685 of 5223
is there any program thats lets u monitor the ram temps on these cards
Edited by tugger434 - 4/10/13 at 10:03am
post #686 of 5223
Quote:
Originally Posted by tugger434 View Post

is there any program thats lets u monitor the ram temps on these cars

im assuming you meant to say "cards" download GPU-Z under the sensors tab they have Vram temps along with the other useful tidbits biggrin.gif http://www.techpowerup.com/gpuz/
     
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post #687 of 5223
sorry for all the posts ive time on my hands,
this looks like the cooler to get
Arctic Accelero Twin Turbo II VGA Cooler (GTX 680/GTX670/GTX640/HD 7870/HD7850)

look at the room around the cooler, no problem with getting decent sinks under that
post #688 of 5223
Quote:
Originally Posted by tugger434 View Post

bluesman,can u highlight on the pcb diagram where the vrms are that are bare of heatsinks plz

Here is the photo that shows the VRMs on a Myst card (the big chips around the gpu are memory chips of course):


The bare ones on the right side are labeled 4935N, 4927N, 4925N, 4983NF. The are all power mosfets. There's one other small chip near the top two that is labeled APW7165C. Turns out it is the powersystem controller that works with the CHiL CHL 8225 (found on the backside of the card) for voltage control. It probably gets real hot too.
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post #689 of 5223
Quote:
Originally Posted by tugger434 View Post

sorry for all the posts ive time on my hands,
this looks like the cooler to get
Arctic Accelero Twin Turbo II VGA Cooler (GTX 680/GTX670/GTX640/HD 7870/HD7850)

look at the room around the cooler, no problem with getting decent sinks under that

hmm.. tempting but I paid like $230 after tax so this cooler would cost me close to $300 frown.gif
Plus, I have to buy VRM heatsink.
decision decision...
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post #690 of 5223
Quote:
Originally Posted by tugger434 View Post

sorry for all the posts ive time on my hands,
this looks like the cooler to get
Arctic Accelero Twin Turbo II VGA Cooler (GTX 680/GTX670/GTX640/HD 7870/HD7850)

look at the room around the cooler, no problem with getting decent sinks under that

As already posted I have that cooler on my myst comes with all the heatsinks you need
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