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HD 6870 DVI Connectors SOLVED

6870 DVI

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26 replies to this topic

#21
thampusbank

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Hey!

Yeah, it's the layout you mention...

I am kind of low level (newbie trying to learn) - what can I do to get it working?

#22
freddy871

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Very new to this so be gentle.. installed 10.7.2 today on HP XW6400 with Power color 6870HD and had 1 x DVi, 1 x Mini display and HDMI working from the get go.. very happy with this but would like to get second DVi working as have 3 desktop screens and HDMI connected to 42" screen for movies. Any help would be appreciated.

#23
Krazubu

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You can see that from the redsock output the HDMI and DVI-D connector share the same transmitter and encoder. I did not think that was going to be a problem since I'm not using the HDMI port. The way I see it if something was plugged in to the HDMI it would turn off the DVI-D and vice versa. Plus they have different senseid numbers.


Adding my two cents : no problem with HDMI/DVI_D because those two output definitions are meant for the same port.
The 1st one is for native HDMI port
The 2nd one is when using that same HDMI port but with a HDMI to DVI connector.
DVI-D and HDMI are logically identical, hence the close configuration, the only differences are so the card "knows" which one you're using.

Since you physically either use that port natively or with an adapter, no way to use both outputs at the same time.

#24
zcream

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Hi @FishCow Could you post your modified ATIController kext ?
I am on 10.7.5 with Powercolor 6870 and it always gets recognize as 6xxx. Hence the framebuffers are screwed..

#25
zcream

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This is VERY strange. I used VCH888's settings for the Powercolor 6870.
I installed the modded kext using Kext Wizard and rebooted.

bdmesg shows it recognized but then
>>
Using PCI-Root-UID value: 1
ATI Framebuffer Addr: @0xC0000000 MMIO Addr: @0xF9FC0000 I/O Port Addr: @0x0000A000 ROM Addr: @0xF9FA0000
ATI card POSTed, reading Video BIOS from legacy space
Framebuffer set to: Gibba using AtiConfig=Gibba
Number of ports set to: 5 using framebuffer's default.
AMD Radeon HD 6870 1024MB [1002:6738] (subsys [1002:00d0]) (Barts:Gibba) :: PciRoot(0x1)/Pci(0x3,0x0)/Pci(0x0,0x0)/Pci(0x0,0x0)/Pci(0x0,0x0)
nVidia GeForce GTX 560 Ti 448 -4095MB NV1ff [10de:1087] :: PciRoot(0x1)/Pci(0x3,0x0)/Pci(0x0,0x0)/Pci(0x2,0x0)/Pci(0x0,0x0)
Bad display config block signature (0xd1260867)
ERROR: nVidia ROM Patching Failed!
>>

Strange thing is, with any kext, no matter what I do, I only get this ioreg output..

>>
Anmols-Mac-Pro:MacOS anmol$ ioreg | grep ATY
| | | | | +-o ATY,ATY,RadeonFramebuffer@0 <class AtiFbStub, id 0x100000325, registered, matched, active, busy 0 (25 ms), retain 7>
| | | | | +-o ATY,ATY,RadeonFramebuffer@1 <class AtiFbStub, id 0x100000326, registered, matched, active, busy 0 (5 ms), retain 7>
| | | | | +-o ATY,ATY,RadeonFramebuffer@2 <class AtiFbStub, id 0x100000327, registered, matched, active, busy 0 (5 ms), retain 7>
| | | | | +-o ATY,ATY,RadeonFramebuffer@3 <class AtiFbStub, id 0x100000328, registered, matched, active, busy 0 (5 ms), retain 7>
| | | | | +-o ATY,ATY,RadeonFramebuffer@4 <class AtiFbStub, id 0x100000329, registered, matched, active, busy 0 (5 ms), retain 7>
>>

No other framebuffer gets recognized.
I have attached my boot.plist and the modded kext.

Any suggestions..?
Lion 10.7.5 if that matters.

Attached Files



#26
Stellair

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Anyone tried on mountain lion? I have a Club3d 6870 1gb with 2x dvi 1x HDMI and 2x displayports and I can only use 1 screen. The other stays black

#27
voaprodz

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Hi everybody,
does anybody had already edited kext for this specific graphic card

http://www.sapphiret...sn=&lid=1&leg=0

Need some help.
Thanks a lot .
Chris





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