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[Official] 7870 Tahiti LE (XT) Owners Club - Page 12

post #111 of 5223
Quote:
Originally Posted by SonDa5 View Post

Bummer I was looking forward to seeing how you got it mounted on the VRMs.


I have used that block on a MSI GTX 560 ti 448 card before and it worked out well. I have photos of it in my 2nd sig that is offset to the left.

it can be done but u gota trim it ... i havent given up if i get another 7870xt i will try again and show u how i did it right if they reject my rma ... im expecting that ... and dont let me pay for repairs ill probly be getting a 7950 ... yea tho the mod will involve alot of dremeling to do it right
post #112 of 5223
Quote:
Originally Posted by 8800GT View Post

Just did a "suicide run" on my 7870 MYST. 1350/1500 @ 1.3v(it really goes up to 1.32 in this case).



If someone could tell me how to properly get the results from an html to a picture, itd be appreciated. Thus far i have been print screening. 1254 on extreme though, thats only 100 shy of a gtx 680...unfortunately I can't duplicate the results mad.gif
Impressive from a 200$ card nonetheless.

Nice OC. Is that voltage being reported by GPU-Z and while under load? When I set my voltage to 1.3v, the vdroop under load causes my card to only reach 1.2v. What bios is your card using?
Edited by Mates Rates - 3/27/13 at 12:55am
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post #113 of 5223
Hi all im new to the site had the VTX3D 7870 Tahiti LE for about a month now but its hot and noisy anyone know what coolers fit these cards any help would be appreciated.
post #114 of 5223
hi I've the powercolor EZ edition with 031 bios, I've tried overclocking using MSI afterbunner and change the core to 1000MHZ and VRM to 1535MHZ with +20 power but when I run kombustor the clock stays at 950Mhz and jumps between 925Mhz, my question yo you guys is should I flash to Powercolor MYST 028 bios or VTX3D HD7870 BLACK, Tahiti LR 028 bios
thank you
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post #115 of 5223
Quote:
Originally Posted by 8800GT View Post

Just did a "suicide run" on my 7870 MYST. 1350/1500 @ 1.3v(it really goes up to 1.32 in this case).



If someone could tell me how to properly get the results from an html to a picture, itd be appreciated. Thus far i have been print screening. 1254 on extreme though, thats only 100 shy of a gtx 680...unfortunately I can't duplicate the results mad.gif
Impressive from a 200$ card nonetheless.

Awesome.


Please share the following.


1. What is ASIC score?
2. What kind of cooling? What GPU/VRM temps?
3. What software did you use and how did you configure to unlock voltage.
4. What BIOS does your MYST have?
5. Can you please use GPU-Z to copy the BIOS from your card and upload it to OC and share it as attachment.


Your card is the fastest Tahiti 7870 I have seen yet.
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B.K.T.
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post #116 of 5223
Quote:
Originally Posted by eBombzor View Post

My Sapphire card has a BIOS switch. 2 options.


I looked at some photos of PCB of MYST and there is no switch mounted but the location is there for a switch.. Maybe a switch could be added.
B.K.T.
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B.K.T.
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post #117 of 5223
Quote:
Originally Posted by azcamm28 View Post

Hi all im new to the site had the VTX3D 7870 Tahiti LE for about a month now but its hot and noisy anyone know what coolers fit these cards any help would be appreciated.

As long as the custom cooler has 53.2mm mounting hole spacing for the fixings I have a Twin turbo II fixed to mine
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post #118 of 5223
Thread Starter 
Quote:
Originally Posted by replogle View Post

hi I've the powercolor EZ edition with 031 bios, I've tried overclocking using MSI afterbunner and change the core to 1000MHZ and VRM to 1535MHZ with +20 power but when I run kombustor the clock stays at 950Mhz and jumps between 925Mhz, my question yo you guys is should I flash to Powercolor MYST 028 bios or VTX3D HD7870 BLACK, Tahiti LR 028 bios
thank you

http://www.techpowerup.com/vgabios/131805/Powercolor.HD7870.2048.121106.html

I think VTX3D and Powercolor use the same BIOS.

Quote:
Originally Posted by SonDa5 View Post

Quote:
Originally Posted by eBombzor View Post

My Sapphire card has a BIOS switch. 2 options.


I looked at some photos of PCB of MYST and there is no switch mounted but the location is there for a switch.. Maybe a switch could be added.

I guess Sapphire is the only one to have BIOS switches.

Here's the pic of the switch on my card. Sorry for the blurry pic


Edited by eBombzor - 3/27/13 at 6:47pm
    
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post #119 of 5223
Quote:
Originally Posted by eBombzor View Post

http://www.techpowerup.com/vgabios/131805/Powercolor.HD7870.2048.121106.html
I think VTX3D and Powercolor use the same BIOS.
I guess Sapphire is the only one to have BIOS switches.


Here's the pic of the switch on my card. Sorry for the blurry pics.


Other than the physical switch the PCB of the Myst looks identical right around the switch area. The myst has the 1 and 2 markings and the holes for a switch. Just doesn't have a switch. I think it may be possible to easily add a switch and possibly have access to another BIOS profile for loading.
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B.K.T.
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post #120 of 5223
Tried going from my 1200C/1500M to 1200C/1600M, some of the buildings in Unigine Heaven turned blue. biggrin.gif

At 1225C/1500M there are a lot of atrifacts in Heaven as well.

What kind of temps do you experience? My fan curve is in sync with the GPU temp (50C, 50% Fan speed, 60C, 60% etc.) and I get to around 70C on average while gaming. (Power Limit +15% to stop clock throttling)
It's definitely loud and hot, but it doesn't really bother me since I play with headphones.
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