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  1. Hello guys, been a while since my last post in here. I came up with a thought while trying to make my HDMI port on my MSI 6770 1gb while at the same keeping ATI Radeon HD 6770 1024 MB in the about this mac window. Skip to the end if you are in a hurry I found that if I inject my "@0-2" framebuffer names as "Hoolock" in my DSDT per Rampagedev's instruction in http://www.insanelymac.com/forum/topic/282687-radeon-hd-6770-full-qeci-mlmavericksyosemite/page-2?do=findComment&comment=1902721, my card was recognised as 6770 and VGA and DVI worked, but the HDMI didn't. If, on the other hand I, don't fiddle with them in my DSDT, DVI and HDMI works(video only) (i really forgot to test VGA at that point) but in ioreg, the chosen framebuffer would be "ATI_Framebuffer" or something like that. At the same time, in "About this Mac" the card was recognised as ATI Radeon HD 5000 1024 MB. Hold my (that) though. After bumping in this and this tutorials, again by Rampagedev, whom I respect for this guy is tremendously btw, I noticed that Hoolock that it has wrong port types. In detail: Personality: Hoolock ConnectorInfo count in decimal: 3 Disk offset in decimal 166176 0000000 00 04 00 00 04 06 00 00 00 01 00 00 21 03 05 01 // 0x400 means Display Port 0000010 00 04 00 00 04 06 00 00 00 01 00 00 11 02 04 02 // 0x400 means Display Port 0000020 04 00 00 00 14 02 00 00 00 01 00 00 02 04 01 03 // 0x4 means DVI-Dual Link port 0000030 Connector Type LVDS 0x00000002 = 02 00 00 00 Note: Laptop Monitor Connector Type DVIDL 0x00000004 = 04 00 00 00 Note: Dual Link DVI Connector Type VGA 0x00000010 = 10 00 00 00 Connector Type S-V 0x00000080 = 08 00 00 00 Connector Type DP 0x00000400 = 00 04 00 00 Connector Type HDMI 0x00000800 = 00 08 00 00 Connector Type DVISL 0×00000200 = 00 02 00 00 Note: Single Link DVI On the contrary, Vervet had 2 of my connector types correct: Personality: Vervet ConnectorInfo count in decimal: 4 Disk offset in decimal 166224 0000000 00 04 00 00 00 04 00 00 00 71 00 00 12 04 04 02 // 0x400 means Display Port 0000010 04 00 00 00 14 00 00 00 00 71 00 00 01 12 01 04 // 0x4 means DVI-Dual Link port 0000020 00 02 00 00 14 00 00 00 00 71 00 00 00 00 06 03 // 0x200 means DVI-Single Link port 0000030 00 08 00 00 00 02 00 00 00 71 00 00 22 05 05 01 // 0x800 means HDMI 0000040 So I thought hey what the hell, I'll try it ,and to my blame-my-genius type of shock, it finally has worked.Video worked through HDMI and my card had the so crazily desired correct/corrected name. Gonna update the post after I used these chaned Vervet framebuffer and in order to make the 3rd port,by swapping the Single Link DVI, with the working VGA from Baboon. This is how it looks: 0000000 10 00 00 00 10 00 00 00 00 01 00 00 00 10 00 02 // ex-Displayport, now VGA from Baboon Framebuffer 0000010 00 08 00 00 00 02 00 00 00 71 00 00 22 05 05 01 // ex-DVI-Dual Link, now HDMI 0000020 04 00 00 00 14 00 00 00 00 71 00 00 01 12 01 04 // ex-Single Link, now 0000030 00 04 00 00 00 04 00 00 00 71 00 00 12 04 04 02 // ex-HDMI type, now Display Port and the reason for using Display Port, 0000040 // was to preserve the framebuffer's port symmetry,weight. edit 1: Didn't do much.. VGA got recognized only if I use an HDMI to DVI adapter and a VGA cable but I didn't got the right resolution on that screen. Still a bit better than before. Im gonna continue tomorrow, I had an all-nighter and it's 8 am already.. edit 2: (The Last Edit) Curtesy of Antien's post here,behold a patched Vervet FrameBuffer that HDMI and DVI works perfectly. I added VGA from Baboon which I know is working and voilà, fully working DVI+HDMI(audio too)+VGA ports on MSI 6770 1Gb. I hope this will help present and future, 6770 owners. 0000000 10 00 00 00 10 00 00 00 00 01 00 00 00 10 00 02 // VGA from Baboon 0000010 04 00 00 00 14 02 00 00 00 01 00 00 11 02 03 03 // DVI-Dual Link from Antien 0000020 00 02 00 00 04 02 00 00 00 01 00 00 00 10 04 03 // Display Port from Antien 0000030 00 08 00 00 04 02 00 00 00 01 00 00 22 05 02 04 // HDMI from Antien 0000040
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