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7970 mysteries in 10.9.2.


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#21
Music Producer

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Tried already, it's the last thing from me having an perfect hack. Wish I could fix it!!!

#22
junecaz

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You could try to edit the Junsai fb, there I got a better Luxmark, see post 1.
I give up with the 7970 and sold it.

 

I REALY understand how you feel Sir. Best wishes with you new card. :)

 

Thx for Junsai tip, i will give a try.



#23
pablos93

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It's fixed in 10.9.3 beta. My mini-DP port works again!

I'm using chameleon with the default Framebuffer.



#24
junecaz

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Get correct performance with edited Junsai framebuffer! But only one DP output works simultaneously with DVI-D (the unplug and plugin trick @ dvi is required to get 2560x1440).

 

Both monitors plugged in 7970 @ 2560x1440 and great performance (2000+ luxmark). 

 

Well.. progress.. i think. 


It's fixed in 10.9.3 beta. My mini-DP port works again!

I'm using chameleon with the default Framebuffer.

 

Thats great news! Do you have multiple monitor setup? What resolutions?



#25
pablos93

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Thats great news! Do you have multiple monitor setup? What resolutions?

 

Hey there! I've got 2 monitors, one @ 2560x1440 using the mini-DP out and another one @ 1024x1080 using the DVI out.

 

I'm glad they fixed it :D



#26
junecaz

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Hey there! I've got 2 monitors, one @ 2560x1440 using the mini-DP out and another one @ 1024x1080 using the DVI out.

 

I'm glad they fixed it :D

 

Great! Thanks for the info. :)

 

How OSX recognize you card? ATI 7xxx or 7970?



#27
junecaz

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Problem solved with 10.9.3 beta. No framebuffer inject need, no unplug trick, all ports @ 7970 working. 2000+ luxmark.



#28
LocusOfControl

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Hi

 

Just seen this, I got 1645 with the Sapphire 7950 Mac edition also on 10.9.3

 

Also connected via mini display port, using generic plug and play out of the box install, no editing

 

 

 

PS - how is your HDMI output ?

 

Great 30bit picture on  Dreamcolor via Displayport but the fonts on HDMI are oversharp , DVI is good but only 24 bit

Attached Files



#29
Svenator

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Guys,  

I have the Sapphire Radeon HD 7970 6GB edition. 
but i cant boot without safe mode. 
in safe mode the graphics card is recorgnised as ATi Radeon HD 7xxx Series 6144MB (a huge difference with ML which only saw 3 GB of it :P )

Im trying to install my system on 10.9.4.
Important detail is btw that my system is a dualboot, so i refuse to use the onboard graphics first since i have none and i want to be able to return to my bios if needed.

as soon as i boot without safe, the system get stuck at a certain point RIGHT before entering the GUI. 
and with GE=Yes it instantly crashes.

can anyone help me, the videocard was shown as ATI Tahiti chipset in ML 10.8.4

Many thnx in advance.

Greetings,

Sven







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