GA-Z77N dual display without installing additional graphics card ?

[jvxr]

My hardware is based off the Chip build, I am waiting for my build to arrive and will be setting it up over the weekend; meanwhile I've a question for the long-timers here.

Has anyone ran ML using the inbuilt /onboard graphics card with dual monitors (via HDMI) ? I am just looking for dual monitors to work seamlessly - I don't game / watch movies - mostly dev stuff. I want the box to be as quiet and cool as possible. I have a spare geforce 9500 GT that I can plug in if needed, but I'm trying to avoid that if possible.

 

[DBP]

Sure. Just plug them in. Using system definitions of MacPro3,1 and Mac mini it was the same for me.
Two HDMI, or one HDMI + one DVI: the system doesn't care.

 

[volpe.rich]

I actually have the answer for this one. I have the same hardware, and setup my primary monitor via DVI which is a 22" widescreen westinghouse, and a secondary monitor via HDMI, a 42" Samsung HDTV. At first ti was mirroring the desktop and the video quality was not very crisp. I had to put the following lines in my /Extra/org.chameleon.Boot.plist file.

<key>GraphicsEnabler</key>
<string>Yes</string>
<key>device-properties</key>
<string>7f0000000100000001000000730000000200000002
010c00d041030a000000000101060000027fff04002c000000
4100410050004c002c00690067002d0070006c006100740066
006f0072006d002d0069006400000008000000050062011400
00006800640061002d0067006600780000000d0000006f6e62 6f6172642d31</string>

Now the HDTV is a secondary screen, not mirroring, and the resolution/picture quality is perfect.

Hope that works for you. As it did for me.

Rich

 

[DBP]

Weird: to get two HD4000 ports working on my GA-H77N-WIFI board I didn't need to futz around with device-properties. It Just Worked.

The BIOS mirrors the displays, but when the OS starts up it treats them as separate (although you can change this in Displays Preferences).

 

[volpe.rich]

I think mine was odd, because I am using DVI for one monitor and HDMI for the other one.

 

[DBP]

I think mine was odd, because I am using DVI for one monitor and HDMI for the other one.

Didn't affect me using both. I tested with HDMI monitors in DVI ports (via adapters) and vice versa.

I did have trouble on that machine getting 3 monitors working concurrently on that board (see my comments from November) which I haven't been back and re-tested, but I think I've had 3 running on other boards since.