Force only digital or only analogue video output?

is there any script or terminal command to force the mac mini to only output analogue video signal or only digital video signal? I have a dvi Y splitter that splits the DVI out to VGA and DVI. When using windows XP under bootcamp I can choose which signal to output (digital or analogue) under the graphics control panel. If i choose digital the video signal only gets sent to my DVI monitor, leaving m LCD with no signal. If i choose analogue the video signal only gets sent through VGA to my LCD TV. Is there a way to do the same thing under Mac OSX Leopard? This way I do not have to constantly unplug cables when switching between doing work on my monitor and watching movies on my LCD tv.
Also, if this is not possible does anyone know where i can buy a DVI A/B switch box. Something that allows me switch between two displays when outputting video from the mac mini. I have looked around the net and all I find are things that split the signal between two displays or KVM switches that allow one monitor to use computer sources. These are things im NOT looking for. All im looking for is a simple DVI A/B switch so that i can switch viewing between two monitors when using my mac mini.

Details about the sound system can be found in the relevant document here.
Jan

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Video cable for the Iphone 3G - audio only, no video output to TV

I have been reading that with the iphone 3G you HAVE to buy apples video cables in order to play back video on your TV, is this true?
I just got a cable for christmas and it isn't officially licensed by apple and the video does not output to the TV, only the audio. I hope this isn't the case, but maybe it is true??
If my cable isn't working because of some need (forced on us by apple) to only use "apple" cables I will never purchase videos from itunes. It seems rather trivial to have to buy proprietary cables for more $$ in order to buy videos from itunes doesn't it??
In other words... Give us more money so you can keep buying things from us.
Sorry, I am a bit frustrated.
Message was edited by: zstevek
Message was edited by: zstevek
Message was edited by: zstevek

Let's be constructive:
BUT WHY doesn't it work? and how can we fix it/make it work?
my cheap 'non apple' video cable works fine initially, then a message pops up about it not being an 'offcial' cable or some such, then asks if I want to enable airplane mode (both with or without it already disabled), and disables video out completely. Contrary to the many others that have overpaid for your proprietary cables; I'm NEVER EVER EVER EVER going to pay you for your atrociously overpriced cables, because you're action of 'disabling' 3rd party cables is monopolistic in any sense, destroys any hope competition in this area, hinders innovation by third party peripheral developers, and is downright unamerican imho because it does so. You've gone to far this time apple! I've come to the conclusion, you obviously don't care about functionality, as your hardware is almost always overpriced, proprietary, good looking junk, and you keep shaking my pockets for more money with your overpriced accessories and constant barrage of itunes streamery.
Anyway, how can I use my device to do video out on this officially licensed apple dock I have? It doesn't seem to work; and I paid a lot of money for it. If there isn't a solution; maybe you should give out refunds for all the devices that now don't work? Thanks

How can I do live streaming with a Mac Book Pro 2011, using a new model of Sony HD camcorder which does not have firewire out/input? it comes only with a component video output, USB, HDMI and composite RCA output?

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Video output only black & white

The video output on my Macbook Pro is now only black and white; last week it was fine (in full color). Any ideas?

Thanks, but that's not the problem. The main screen on the Macbook is fine, but the video output is black and white. So, for example, when mirroring the screen, I get a color version on the Macbook, and a black and white version on the TV (and it's not a problem with the TV).
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[SOLVED]X11 video output only with ati open source drivers

Hi everyone,
my nvidia graphics card died recently and I replaced it with an ATI Radeon HD 4870, which in hindsight might have been a mistake.
I installed the catalyst driver at first, ran into some problems, finally decided to switch to the open source xf86-video-ati driver. Followed the ati wiki, but ended up with X11 video output only. Can't watch anything full screen, general performance is sluggish. The output of xvinfo is:
screen #0
no adaptors present
Here are the (hopefully) relevant parts of my xorg.conf:
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "dri2"
Load "dbe"
Load "record"
Load "glx"
Load "extmod"
Load "dri"
Load "drm"
EndSection
Section "Monitor"
#DisplaySize 470 300 # mm
Identifier "Monitor0"
VendorName "SAM"
ModelName "SyncMaster"
HorizSync 30.0 - 81.0
VertRefresh 56.0 - 75.0
Option "DPMS"
EndSection
Section "Device"
### Available Driver options are:-
### Values: : integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "NoAccel" # [<bool>]
#Option "SWcursor" # [<bool>]
#Option "Dac6Bit" # [<bool>]
#Option "Dac8Bit" # [<bool>]
#Option "BusType" # [<str>]
#Option "CPPIOMode" # [<bool>]
#Option "CPusecTimeout" # 
Option "AGPMode" "8"
#Option "AGPFastWrite" # [<bool>]
#Option "AGPSize" # 
#Option "GARTSize" # 
#Option "RingSize" # 
#Option "BufferSize" # 
#Option "EnableDepthMoves" # [<bool>]
#Option "EnablePageFlip" # [<bool>]
#Option "NoBackBuffer" # [<bool>]
#Option "DMAForXv" # [<bool>]
#Option "FBTexPercent" # 
#Option "DepthBits" # 
#Option "PCIAPERSize" # 
#Option "AccelDFS" # [<bool>]
#Option "IgnoreEDID" # [<bool>]
#Option "DisplayPriority" # [<str>]
#Option "PanelSize" # [<str>]
#Option "ForceMinDotClock" # <freq>
Option "ColorTiling" "on"
#Option "VideoKey" # 
#Option "RageTheatreCrystal" # 
#Option "RageTheatreTunerPort" # 
#Option "RageTheatreCompositePort" # 
#Option "RageTheatreSVideoPort" # 
#Option "TunerType" # 
#Option "RageTheatreMicrocPath" # <str>
#Option "RageTheatreMicrocType" # <str>
#Option "ScalerWidth" # 
#Option "RenderAccel" # [<bool>]
#Option "SubPixelOrder" # [<str>]
#Option "ShowCache" # [<bool>]
#Option "DynamicClocks" # [<bool>]
#Option "VGAAccess" # [<bool>]
#Option "ReverseDDC" # [<bool>]
#Option "LVDSProbePLL" # [<bool>]
Option "AccelMethod" "EXA"
#Option "DRI" # [<bool>]
#Option "ConnectorTable" # <str>
#Option "DefaultConnectorTable" # [<bool>]
#Option "DefaultTMDSPLL" # [<bool>]
#Option "TVDACLoadDetect" # [<bool>]
#Option "ForceTVOut" # [<bool>]
#Option "TVStandard" # <str>
#Option "IgnoreLidStatus" # [<bool>]
#Option "DefaultTVDACAdj" # [<bool>]
#Option "Int10" # [<bool>]
#Option "EXAVSync" # [<bool>]
#Option "ATOMTVOut" # [<bool>]
#Option "R4xxATOM" # [<bool>]
Identifier "Card0"
Driver "radeon"
VendorName "ATI Technologies Inc"
BoardName "RV770 [Radeon HD 4870]"
BusID "PCI:1:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "DRI"
Mode 0666
EndSection
Any ideas?
Last edited by Raisuli (2009-05-31 16:08:41)

I think I had XV with this stuff: xf86-video-radeonhd-git-r6xx-r7xx and drm-radeon-module-git-r6xx-r7xx

No digital video output from XVR-300 in Ultra-45

I am switching from solaris 10/x86 to sparc. I have a new Ultra-45 with XVR-300 graphics adapter. It's running Solaris 10u4. The system was ordered as a standard configuration from the catalog.
The XVR-300 graphics adapter currently produces no digital output. My Sun A1240P0 24" monitor reports no signal on the DVI input. That is, there is no digital output at power on (boot ROM), during Solaris boot (terminal), nor after Solaris finishes booting (X).
The graphics adaptor uses a connector with two video outputs, and comes with a splitter cable with two DVI output connectors. I get no video output on either. The DVI cable I am using is the one that works when connected to the graphics adaptor on the old system.
I added a VGA adapter plug to connector 1 of the splitter cable, and was able to get an analog signal to drive the display via the VGA input connector.
The manuals for the Ultra-45 and for the XVR-300 make no mention of analog vs digital output. They both just say to connect the adapter to the monitor.
Since I can get analog output from the SVR-300, the card is basically working. The DVI cable and the monitor's DVI input work with another system. The only variables are the digital output from the XVR-300 and the splitter cable. (The splitter cable's analog signals work.)
How can I activate digital output and make it the default?

try this page........
http://docs.sun.com/source/819-6651-13/chap2.install.html#50589705_pgfId-1001195
To Set the Sun XVR-300 Graphics Accelerator as the Default Monitor Console Display
1. At the ok prompt, type:
ok show-displays
The following shows how to set the console device:
a) /pci@1f,700000/SUNW,XVR-300@0
b) /pci@1e,600000/pci@0/pci@8/SUNW,XVR-300@0
q) NO SELECTION
Enter Selection, q to quit:
2. Select the graphics accelerator you want to be the default console display.
In this example, you would select b for the Sun XVR-300 graphics accelerator.
Enter Selection, q to quit: b
/pci@1e,600000/pci@0/pci@8/SUNW,XVR-300@0 has been selected.
Type ^Y ( Control-Y ) to insert it in the command line.
e.g. ok nvalias mydev ^Y
for creating devalias mydev for
/pci@1e,600000/SUNW,XVR-300@5
3. Create an alias name for the Sun XVR-300 graphics accelerator device.
This example shows mydev as the alias device name.
ok nvalias mydev
Press Control-Y, then Return.
4. Set the device you selected to be the console device.
ok setenv output-device mydev
5. Store the alias name that you have created.
ok setenv use-nvramrc? true
6. Reset the output-device environment:
ok reset-all
7. Connect your monitor cable to the Sun XVR-300 graphics accelerator on your system back panel.
Man Pages
The Sun XVR-300 graphics accelerator man pages describe how you can query and set frame buffer attributes such as screen resolutions and visual configurations.
Use the fbconfig(1M) man page for configuring all Sun graphics accelerators.
SUNWnfb_config(1M) contains Sun XVR-300 device-specific configuration information. To get a list of all graphics devices on your system, type:
host% fbconfig -list
This example shows a list of graphics devices displayed:
Device-Filename Specific Config Program
/dev/fbs/nfb0 SUNWnfb_config
procedure icon To Display Man Pages
single-step bulletUse the fbconfig -help option to display the attributes and parameters information of the man page.
host% fbconfig -dev nfb0 -help
single-step bulletTo access the fbconfig man page, type:
host% man fbconfig
single-step bulletTo access the Sun XVR-300 graphics accelerator man page, type:
host% man SUNWnfb_config
haroldkarl

How to connect Apple TV (2g) HDMI to HDTV with only component video input.

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google component hdmi converter
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No answer but marking as answered because I want to clear my unresolved questions.

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http://discussions.apple.com/thread.jspa?messageID=4547823&#4547823
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208.67.220.220
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Message was edited by: leroydouglas

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Force only digital or only analogue video output?

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