VGA monitors Via ADC Port

I have two VGA monitors I want to use with the Powermac G5. One plugs in happily to the DVI monitor slot by way of a DVI-VGA adapter.
I wanted to run the second one off the ADC slot. Couldn't find an ADC-VGA adapter so bought a ADC-DVI one and then plugged a DVI-VGA adapter into it. But this monitor screen is green. Have swapped the monitors over and swapped the DVI/VGA adapters over but always the same - Green Screen out of the ADC slot.
So questions 1) Is there anything I can do about it without changing video card or buying DVI monitor 2) Will a DVI monitor work properly out of the ADC slot with the adapter I have just bought?

http://www.google.com/products/catalog?client=opera&rls=en&q=adcto+vgaadapter&sourceid=opera&oe=utf-8&um=1&ie=UTF-8&cid=18358937889678973186#ps-seller s
-DH

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Will an X220 drive a Dell UP2414Q 4K 3840 x 2160 Monitor via Display Port?

I've not been able to find any information about this on the web and there is definitely some confusion about DisplayPort versions - could some one answer the question will an X220 drive a Dell UP2414Q 4K IPS Monitor at it's native resolution of 3840 x 2160 Monitor via Display Port? Would that be at 30Hz rather than 60Hz?
Many thanks, Mark.
Solved!
Go to Solution.

The X220 will drive the Dell UP2414Q 4K resolution through Displayport. I have tested this on the Pro2840m LCD which has the same resolution. But only on 30 hz refresh rate.
The X220 with the Series 3 Workstation Dock will drive 2 of the Pro2840m through 2 separate displayport.
The X201 will also drive this 4K resolution, as long as the LCD's 4K can accept Displayport 1.1 standard (on the 1.2 standard, the LCD will stay blank).
https://www.flickr.com/photos/lead_org/14671257827/in/set-72157645860787090
the above image confirms the 4K resolution and my X220 driving that resolution @ 30 hz.
For 60 hz refresh rate on the 4K resolution with integrated Intel GPU, you need Haswell CPU with the HD5000 graphics card, anything below that will only drive the 4K resolution at 30 Hz.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

How to connect VGA Monitor via Thunderbolt Display

I've been using my Macbook Air mid 2013 with a Samsung monitor connected via the Mini Display Port to VGA adapter. I've now bought a 27" Thunderbolt display, which I've connect to my Mac, and assumed I could now daisy chain my samsung monitor into the Thunderbolt port in the back of the monitor. This isn't working.
Is this expected behaviour? Some people have said online that it will work if there's some other Thunderbolt peripheral between the Thunbolt Display and the VGA adapter, but I don't know what kind of peripheral they mean.
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Connecting RGB/VGA monitor to ADC connector on G4

I've got a G4 that has a Nvidia GeForce2 MX video card with an ADC and RGB/VGA connectors on it.
The RGB/VGA connection is completely broken. I have hooked up 5 monitors to it and they are all awful looking with color problems and major banding all over the screen.
the ADC port is fine. but I am giving this to a friend who only has an RGB screen, not an apple display.
Does anyone know of an inexpensive adaptor that will allow me to hook up an RGB/VGA monitor to the apple ADC connector on the video card of this G4?
Thank you

The adapter just takes the analog video signals from pins on the ADC plug and connects the to pins on the VGA socket. It doesn't do any electronic conversion. Since the board is only designed to run one display at a time, it is unlikely they use two digital to analog converter chips. They probably run the output from one converter to both connectors on the board. If the analog is bad on the VGA connector, it probably will be bad from the ADC. You may be lucky, but with the current prices of ADC to VGA adapters, I wanted to warn you that it may not work.

MacMini to VGA monitor via MiniDP- VGA converter.

Hi everyone,
I want to connect Mac Mini to the old VGA monitor. I'm using converter from MiniDP to VGA. When computer starts i see the startup screen on the monitor but then it disappears and no signal message comes. After that when i connect a HDMI TV to mac mini it shows. So i guess that the mac mini switches video output from MDP to HDMI soon after startup. How could i solve the problem?

SOLVED - I purchased a third-party MiniDP to DVI adapter instead and it works a treat.
Quite what the difference can be to a supposedly passive adapter I'm unsure - but glad it's fixed anyhow.

Can my T530 connect to an external 4K monitor via DVI port?

I connect a 4K monitor to my T530 via the DVI port in the docking station, but the max. resolution I can adjust is 1920x1080. Is there any way to change to 4K? Thank you.

You might be able to get 3840x2160 on DVI by setting a custom resolution at 30Hz using Intel Control Panel or NVIDIA Control Panel (depending on whether you have Optimus).
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Parental wifi monitoring via air port

I have a time machine/time capsule wifi set up and I need to monitor the activity on my 12 year old's computer which is also using my wifi. What are mt options?

The Apple routers do not provide any type of Internet content filtering or logging of web sites that have been visited, so you might want to take a look at something like OpenDNS.
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ATI X800XT is adc port same dvi signal as the dvi port

For starters, what does "adc" stand for? Does it mean the adc is an analog port needing conversion to digital for display to an apple cinema display? someone at apple just said it stands for apple display connection. Yes, I know I still need an adapter, but I'm wondering if this port is inferior the the dvi port on the card. I don't know if the adaptor is just changing the physical hardware connections, or something else.
I want to go from the adc port thru an adc/dvi adaptor to the matrox mxo box, out of the mxo to apple hd 23" display. I need to reserve the other graphics port (dvi) to go thru a dvi/vga adaptor to my vga monitor.
Is the adc port on the card the same as the dvi port in terms of the type and quality of signal? What is the adc port anyway?

The video quality should not be compromised by using any of these adapters. The ADC outputs the same exact digital signal as the DVI outputs. The ADC-to-DVI adapter basically discards the USB and power features and passes the digital AND analog signals through.
As mentioned above, both ADC and DVI also carry analog video signals. Using a DVI-to-VGA adapter, an ADC-to-VGA adapter, or a combination of both will allow you to use an analog VGA monitor from either port on your video card, again with no degradation of the signal.
If you are missing any or all colors or the signal is degraded in some way, you must have a bad connection, bad adapter, or bad cable. Try reconnecting or replacing each part one at at time to determine the culprit.
As for the problem of non-matching DVI connectors, check the link below to determine which ones you have and which ones you need. There are pictures of each connector on this page:
http://en.wikipedia.org/wiki/DigitalVisualInterface
http://en.wikipedia.org/wiki/AppleDisplayConnector
You should be able to find an adapter (or gender changer) that matches up to your cable. A web search should give you plenty of sources and options. You may try a place like Cyberguys.com: http://www.cyberguys.com/ (Search for "DVI gender" to see all available adapters.)
With quality cables and adapters, you should be able to achieve what you are trying to do with no signal degradation to each of your monitors. Let me know how it goes.
Brent

Display for a SUNFire V880 flickers with a VGA monitor

Hi,
I have a SunFire V880 which has been connected to a rack-mounted HP VGA monitor via an Avocent KVM for some years now.
Recently, I found the display for server flickers non-stop, making it impossible to view.
I have tried connecting it to other VGA monitors with the same results.
Only when I connect it to a SUN monitor, did it display just fine.
Could anyone advice on how I can get it to display on a VGA monitor again?
Many Thanks!
Edited by: Sheewah on Apr 9, 2008 2:38 AM

Ok, I'll bite ...
You provided no useful information as to the actual configuration,
It would have helped to mention whether the monitor was in the same rack as the V880.
(that would inform us as to length of cabling)
It would have helped to note which frame buffer was in the computer.
(that informs us of its capabilities)
It would have helped to describe the current video settings.
but ...
Does the original display work if you eliminate the KVM from the lash-up
and directly attach the screen to the V880?
If yes, then the KVM is the root cause.
If no, then find the refresh rate settings of the current output signal
and change them to be compatible to whatever those non-Sun monitors need.

Can I use the Apple ADC to DVI adapter with a VGA monitor?

Hey everybody,
I have a quick question. I work on computers fr friends and family as a hobby. I have an ADC monitor and need ot be able to hook up computers with a VGA port on them to it. Can I use the Apple ADC to DVI adapter along with an Apple DVI to VGA adapter to successfully connect VGA computers to my ADC display? I was assuming this would work and ordered both adapters but now I have made myself nervous about weather or not this will actually work. Has anybody out there successfully done this? Thanks for your help in advance everybody.

You can't run an ADC display with a VGA computer without a converter. Adapters won't do it.
a VGA to ADC converter will drive the ADC display directly
<http://www.gefen.com/kvm/product.jsp?prod_id=1301>
If you have the Apple DVI to ADC adapter
<http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/wa/RSLID?mco=18 72D402&nplm=M8661LL/B>
you could use it with a VGA to DVI converter
<http://www.gefen.com/kvm/product.jsp?prod_id=1310>
It might be cheaper to get DVI graphics boards for the computers and use the Apple DVI to ADC adapter.
<http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/wa/RSLID?mco=18 72D402&nplm=M8661LL/B>
Your title says "Can I use the Apple ADC to DVI adapter with a VGA monitor?". If you want to connect a VGA monitor to a computer's ADC port you need the ADC to VGA adapter
<http://www.gefen.com/kvm/product.jsp?prod_id=1299> You can't use an ADC to DVI adapter followed by a DVI to VGA adapter, because the ADC to DVI adapter doesn't pass the analog video signals needed for VGA.

For Malcolm Rayfield, or anyone who knows about VGA/DVI/ADC ports

I gave up on my Apple Monitor and bought a new 19" LCD flatscreen, but I'm getting a lot of ghosting from my windows and text which stretches the length of the screen in both directions.
The monitor came with both a DVI port and a VGA port, whereas my Mac G4 has a VGI and an ADC port. So right now I'm connected through the VGA port, and I'm guessing that's what's causing the ghosting.
I'm wondering, then, if I'd be better off with an adapter that connects a DVI cable to my VGA port, or one that connects the DVI cable to my ADC port. If either will work, then I'll probably opt for whichever is cheaper.
By the way, I'm now getting my sound through the new monitor, and I'd like to go back to the speaker on my G4, which sounds far better. Hopefully someone can address that issue as well.

The ghosting is a grey line which matches the height of a given font, or any other image that appears on the desktop. These lines run the full width of the screen, and if I move the window, they move with it.
I made a screen capture, in the off chance that it can provide an illustration. It's impossible for me to tell from this computer, but I figured it was worth a shot.
http://members.aol.com/mistermug/Ghosting.jpg

Connecting DVI Monitor to the ADC port

I have a G5 with dual video ports. One is an ADC Port and the other is a DVI port. I want to get rid of my Apple display and connect two Dell monitors both of which have a DVI connectors. How do I connect a DVI connector to the ADC port? The DVI to ADC adapter is for connecting a ADC Apple display to a DVI port. Is there an adapter for doing the opposite--a DVI plug to a ADC port?
Power Mac G5 Mac OS X (10.4.9)

The ADC to DVI adapter is for connecting a DVI LCD to the ADC port. It cannot be used with a DVI to VGA adapter to connect a VGA display to an ADC port. For that you need an ADC to VGA adapter, such as:
<http://www.mac-pro.com/s.nl/it.A/id.230/.f?sc=2&category=128>
These are becoming scarce as the ADC is no longer being manufactured.
Your Sun monitor should work from the ADC port using the ADC to DVI adapter, and the Fujitsu from the DVI port using the DVI to VGA adapter.

G4 VGA monitor installed OS now want to use ADC monitor

My system was built using a monitor connected to the VGA port. I received the system and I have a 20" Cinema Display with an ADC connector. When I boot I see the Apple logo and the round progress display for a few seconds then the display goes black. I suspect that the system is still looking for the monitor on the VGA port and won't look at the ADC port. Is there any way to change the system to use the other port without reinstalling or connecting a VGA monitor (which I don't have access to)?

Hi.
Now, firstly; your Mac won't likely be looking for a monitor connected to VGA; it will automatically sense that there's an ADC monitor plugged in, so there should be no issues there.
I can't think of a cause for such a problem off the top of my head. However, can you confirm that the system continues to boot after the display turns off?
It's quite possible that the power supply has weakened from age, and can't hold onto the requirements of running both the computer & screen for very long.
If you can still hear drive access, etc. after this point, I suggest you try resetting the PRAM; hold down command-option-P-R right after pressing the power button, and keep them held down until you hear the chime a second time.
Alternatively, hold command-option-O-F, and when the Open Firmware prompt comes up, type the following, pressing Enter between lines;
reset-nvram
set-defaults
reset-all
Give that a try, you never know!

HT3382 I have a Samsung VGA Monitor connected to my MacBook Pro using the Mini Display Port to VGA Adapter. How do I configure the computer so that it doesn't sleep when I close the lid of the computer.

I have a Samsung VGA Monitor connected to my MacBook Pro using the Mini Display Port to VGA Adapter. How do I configure the computer so that it doesn't sleep when I close the lid of the computer.

Hi alangium,
Welcome to the Support Communities!
Resetting your computer's PRAM should restore your Macbook Pro's screen appearance.
OS X Mavericks: Reset your computer’s PRAM
http://support.apple.com/kb/ph14222
This article may provide some information about your Mini DisplayPort to AVI adapter. Have you tried to connect a different VGA monitor to your Macbook to see if you get the same results?
Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)
http://support.apple.com/kb/HT3382
18. What is the maximum resolution available for use with the Apple Mini DisplayPort to VGA adapter?
The resolution available with the Apple Mini DisplayPort to VGA Adapter is 1920 x 1200. VGA displays that use higher refresh rates (such as 85 Hz) at resolutions of 1600 x 1200 or greater may not generate video properly until you lower the refresh rate.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/HT1573#5
How can I detect displays?
If the detect displays option is not available, hold down the Option key while you are in the Display pane.
How do I select additional resolutions on my display?
You can use the Display pane of System Preferences to specify how your display works. Not all options appear for all display models. By default the best resolution for your display will already be selected in System Preferences.
To select a different resolution, use the Scaled option. Some additional resolutions may be available when you hold the Option button.
I hope this information helps ....
- Judy

T530 - 2 external monitors via VGA Splitter

Is it possible to connect 2 external VGA monitors to my T530 via a VGA Splitter? If not; what would I need to make 2 external VGA Monitors possible?
Solved!
Go to Solution.

In which case (and if you want to keep the internal LCD on even with 2 VGA LCD connected).
Cheapest solution: get a usb2vga converter.
More expensive but better responsiveness on large LCD, get a series 3 dock with 2 displayport and get 2 displayport to vga converter (one dp2vga converter and run one LCD from your onboard vga may also work, but never tested it).
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

VGA monitors Via ADC Port

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