DVI Switch

I'd like to use my Cinema display with my Macbook Pro as well as my Deskpro. Any suggestions on a good quality DVI switch. Not really interested in the KVM features.

THE PROBLEM
I had one CRT VGA monitor, one LCD VGA monitor and One 'Apple DVI to TV adaptor' but only two DVI-I outputs available on my Quad G5. I wanted to switch easily from my VGA LCD monitor to TV Adaptor using the second DVI-I output as the urge took me. The other DVI output was for my main monitor which I didn't want to mess with.
But there are no DVI-I switches that don't cost less then £50/€70/$96. Most switch just the digital part of the DVI-I output anyway. These are DVI-D switches. No good to me. It baffles me why there aren't any DVI-A monitor switches. The only difference from VGA monitor switches is that DVI-A sockets would be required.
I invested in a cheap 'Female DVI-I (the Apple TV Adaptor is DVI) to Male VGA adaptor' but there was something wrong with it as the Apple TV Adaptor refused to work.
After much searching on the internet I couldn't find out what the pins on the Apple TV Adaptor where. So like any good geek I found out for myself.
Here is what I found and ultimately how to make a 'VGA to Apple TV Adaptor'. I now use a cheap VGA monitor switch I got second hand to switch easily from VGA monitor to Apple TV Adaptor. Work and play are only a quick switch away. Total cost €9/$12/£6.
All the information you need is here:-
http://www.wiz.utvinternet.com/project/PINOUT-DVI-VGA-TV.html
I hope this helps a few people. I know I could've done with it.

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Have 23" Cinema Display, want 30" but don't know if my DVI switch will work

I have a 23" Cinema Display currently being shared by my 2 Macs (G5 and MacBook Pro) and 2 Windows PCs using a 4 port Single Link DVI KVM.
I want to upgrade to a 30" display, but I am getting some conflicting advise from Apple Store personnel, Apple Online Store, etc.
I want to put an adapter between my current single link DVI switch and a new 30" cinema display. I keep hearing to use the Mini DisplayPort to Dual-Link DVI Adapter, but looking at pictures of it, I don't see how that would work. I would need two DVI connections on the adapter (one in and one out), but I don't see that on there.
The gist is, I have 4 computers (which may or may not have dual link DVI) and I want to still use them to drive a 30" Cinema Display. Am I just hosed and have to wait, or buy a 30" monitor from another vendor?
I would be fine with the current 1920 by 1200 resolution on the 30" as I am purchasing this to help my tired eyes.
Thanks for any advise.

Malcolm Rayfield wrote:
I have read of other 30" monitors (Samsung) supporting lower resolutions using a single link DVI. Is it just the Cinema Display that doesn't support single link at any resolution.
The Apple 30" will work at 1,280 x 800 via single-link DVI.
What's the point though
Glor

Two Port DVI Switch ?

I would like to hook up my 20' ACD with my Mini and my Compaq Desktop with a DVI graphics card.
Is their a DVI switch of some sort avaliable in the market ? I know about the regular KVM switches (VGA/PS2) but need some guidance in the DVI arena...
Thanks

A search of this forum for "DVI KVM" will yield a ton of information...
DD

Mini DVI switch

Hi,
I have two mini DVI adapters for my iMac. One to VGA to connect it to my second screen for working and one to Video to connect it to my TV as a media center.
Is there something like a mini DVI switch with that I can connect both adapter to switch between second screen and TV and don't have to unplug the adapters everytime?

I don't know of any such product. If the TV is also connected over VGA, you can probably connect a VGA switch to the end of one of one of those mini-DVI adapters and then connect your TV and second display to the switch. If the TV is an HDTV and connects with HDMI, or an older one that uses composite, then that would not work.
Alternately, you can dedicate the mini-DVI port to the TV connection. And get one of these adapters that lets you connect a display using USB
http://eshop.macsales.com/item/Other%20World%20Computing/VIDU2DVIA/
Just make sure you read the description (particularly the max resolution) to ensure it meets your needs.

DVI Switch box

Dose any one know of a "dvi switch box" or a "kvm switch" that supports 2560x1600 max res. I would like to have my 30" cinema display connected to both of my computers at the same time its getting tiresome disconnecting the dvi when ever i want to switch machines. My only problem is i cannot find a switch that goes up to 2560x1600 max res. please help me i have failed horribly at the google machine and would appreciate any assistance in tracking something down. Thank you!!!

I'm using this on my 23" ACD without any probs
http://www.belkin.com/IWCatProductPage.process?Product_Id=375076

DVI Switch Apple 20" Cinema PC and Mac

Hi i have recently purchased a DVI switch so that i am able to swap the output to my 20" Apple Cinema Monitor between my Windows PC and my PowerMac G4. the switch its self works perfect i am using apples ADC to DVI convertor which is plugged into the the switches output and the DVI outputs from the PC and Mac are going into the switches inputs, The problem i have is that when i switch to the PC and then back to the Mac my Mac seems to sleep the DVI output on the graphics card and i am unable to wake it up, so i have been resorting to a reboot before the monitor displays an output for the Mac, I have noticed that whilst the Mac is booting i can switch back and forth and it functions as intended which leads me to believe that this sleeping the output is a function of the OS, does anyone know how i can solve this problem. many Thanks

You may need a DVI Detective between the Mac and the DVI switch.
<http://www.gefen.com/kvm/dproduct.jsp?prod_id=4714>

DVI Switch questions

Hi,
I have two Mac Pro's and I want to share one of my displays with both.
Because my display has both VGA and DVI input I tried using the VGA input firsth, but it turned out that my Mac didn't support it's root resolution 1440x900 in this configuration.
So I decided to go for an DVI Switch, but I have a few questtions about it.
-I have read that you should never connect or disconnect an monitor when eigther the monitor or Mac is still running. (It could damage both!)
But how about "hot" switching? I'll be constantly switching between the two Mac's while they are both running.
-Could thid damage my Mac's???
-An other thing is that switching using a DVI switch seems to take a lot more time than using an VGA switch.
(The Mac's seem to know that an monitor is added or gone, and addapts to the new situation.)
Can I speed this up?
Greetings,
Michiel

I asume that my "König comuter 2 port DVI KVM Switch" wouldn't qualify for decent.
So if I want to be able to swich quickly between my two machines, I have to use VGA! (although quality will be bad because of the resolution)
Why doesn't OSX support 1440 x 900 on VGA?
Or is there a work-a-round?

Onkyo SR705 HDMI-DVI switching problem..

I just bought myself an Onkyo SR705 with built in HDMI switching. At first, I thought my monitor having problems with the switch or my mac pro not detecting it. Then i turned on my PS3 and it works. Mac detects the receiver. But no picture comes out if it. Previously, i had a TERK 2-in-1 switch and that works well.
Gateway FPD2275W DVI-HDMI > Onkyo > mac pro HDMI-HDMI with HDMI to DVI adaptor.
what do i need to do with the mac or the setup in general to fix this problem?
my monitor supports 1080i, and supports HDCP.

ill answer my own question.
found out the switch does not support full HD resolutions. Supported Max at 1280x1024 and also 1024x768.. probably my video card doesn't support it either? eh.. for anybody who is wondering why it dont work.
Message was edited by: KwaZyLiLoBoY

KVM DVI SWITCHES

Hi Gang
I researched DVI KVM switches, and tried out an Iogear Model GCS1762;
http://www.iogear.com/product/GCS1762/
With DVI, (as opposed to VGA), there is a neccessity for a 'hand shake' between computers, as it tries to figure out what to do. The Iogear doesn't work instantly, consequently producing glitches, lines, video noise for a few seconds before it clears up when toggling back n forth.
Gefen on the other hand, apparently realizing this issue came out with spmething called a DVI detective; http://www.gefen.com/kvm/dproduct.jsp?prod_id=4714
They also make a (probably better) switch;
http://www.gefen.com/kvm/dproduct.jsp?prod_id=5040
Has anyone had any experience with either of these?
Thanx
Mike

SwitchResX is a control panel that sets the EDID information for resolutions that your hardware may not appear to support to the OS. I use it the same way you use the DVI Detectives, except that it's free (if you just need the control panel or $ 15 for the full application, which is very nice).
In my case I run 24" monitors with 1920x1200 resolution through a KVM that officially supports a maximum of 1024x768, and they're both running through KVM extenders. SwitchResX makes sure that the Mac always comes up at the right resolution, even though it doesn't see a monitor that supports that resolution. I'm using it with a G5 and Mac Pro.

Belkin OmniView DVI switch constant beeping??

Hi just wondering if anyone uses this product with their macs cause I barely plug in the power cord when the thing just keeps beeping. I don't know what to do and the site has firmware that removes this problem but its an .exe file that macs don't read. Anyone have any opinions or suggestions?
thanks

Wow, that's silly! I'm afraid you'll probably have to find a Windows computer somewhere to run the update on.

DVI video switch

Hi all -
Big fan, long time reader, first time poster =] I started out with a Motorola (comcast) HD dual tuner cable box with a Sony Grand Wega KF-60WE610 for my TV. This rear-projection LCD has a single DVI input as its HDTV input (Video 7). When I got my mac mini, I thought the DVI out to S-Video adapter would be ok to use for display purposes . . . however, when I hook the mac mini directly into the DVI input of the TV, the difference is incredible! So I have been looking at DVI KVM switches, however, I don't need the K or the M seeing as how I have the Bluetooth Keyboard and mouse. So all I really need is a DVI switch. I saw Gefen has one: http://www.gefen.com/kvm/product.jsp?prod_id=1819. It has 2 DVI inputs and 1 DVI out. This sounds like what I need . . . this seems like a common problem with the mac mini hooked up to a HDTV as the display . . . is this the common solution? Is there a better way around this problem? Is there a better 2/1 DVI switch available? I have read alot about the DVI KVM switches, however everyone seems to ***** about the K or the M in the KVM switching capabilities . . . any input would be greatly apprecieated.
Thanks!
Mac Mini Mac OS X (10.4.4)

I have the exact same issue. I tried buying a new receiver as a component to add to the setup in my den with the TV. Many new receivers now feature HDMI switching. But I ended up returning the receiver and learned the lesson that these first generation HDMI receivers are not quite ready for prime time. It wouldn't pass the DVI signal from the mini to my TV, even though a direct connection between the mini and the TV works fine.
Personally, I am just going to wait for a better generation of HDMI switching receivers, even if I have to wait until gen 3 (2008?). But if you want the have switching today, someone else on this forum pointed out that monoprice has some cost effective 2- and 4-port switches. I have no idea how well they work, so you might want to find out what their return policy is should you buy one and it not work out.
http://www.monoprice.com/products/product.asp?cid=101&cp_id=10106&cs_id=1010602&pid=2721&seq=1&format=2

MacBook Pro 15" won't see DVI display behind KVM switch

I have a Gefen single-link DVI switch connected to a 24-inch Dell display. My MacBook Pro will detect the display if I connect it directly to the MacBook Pro's Mini DisplayPort to DVI adapter, but if the KVM switch comes in Detect Displays finds nothing.
Is anyone else able to get their MacBook Pro involved with a KVM switch?

Turns out the cable I was using had pin 16 pulled out on it (for most of our systems using DVI KVM switches this was a good idea). I connected a full DVI cable and then MacBook Pro saw the display.
Then came the problem that when switching AWAY from the MacBook Pro the MBP would act like the display was disconnected, reconfiguring itself to go back to its built-in display only. So then I connected a Gefen DVI Detective between the MBP and the switch and then the MBP would behave as desired, still "seeing" the display even while I was switched away from it.

KVM switch one Cinema hd display (dvi) with macpro (dvi) and macbook pro (mini displayport)

I want to use a KVM switch to share one display with two computers.
Computer one is: MacPro 1,1 dual core 2.66 Ghz with two DVI ports.
Computer two is: MacBook Pro 4 core 2.66 GHz with one Mini Displayport.
Display is: Cinema HD Display with DVI connector.
To do that KVM switches only use (at least that is waht I found) one system either DVI or Mini Displayports
http://www.gefen.com/kvm/dproduct.jsp?prod_id=3113
DVI --> KVM SWITCH<-- DVI
                     V
               DVI (monitor)
http://www.atlona.com/Atlona-2x1-Mini-DisplayPort-KVM-Switch.html
Mini Displayport (Macpro) --> KVM SWITCH <-- Mini Displayport (Macbookpro)
                                                         V
                                                 DVI (monitor)
However what I want is:
DVI (Macpro) --> KVM SWITHCH<-- Mini Displayport (Macbookpro)
                                       V
                              DVI(monitor)
I couldn't find an existing KVM switcher that does this.
Then there is the following solution
DVI (Macpro) --> KVM SWITCH <-- ADAPTER (Mini Displayport to DVI) <-- Mini Displayport (Macbookpro)
                                    V
                            DVI(monitor)
The question is: Will this work?
I've been told that adapter behind adapter never works. Hope someone can help with this before spending money on nothing.
Thanx David

Maybe you're right just try and see if I can return the stuff if it's not working.
I won't be using a higher resolution then 1920 x 1200 however I still would buy the adapter
Mini DisplayPort to Dual-Link DVI Adapter
http://store.apple.com/us/product/MB571Z/A?fnode=MTY1NDA3Ng
for connecting macbookpro to KVM DVI switch.
However if there's still someone with experiencing the exact same thing I would be much obliged.

DVI/HDMI Switch

Hi this is a loosely related question when it comes to the Apple TV but I wasn't sure where else to ask. Let me describe my set-up:
1 x iMac 24"
1 x Apple TV
1 x Television with DVI port
Currently the Apple TV is connected to my TV with an HDMI->DVI cable. I want to also hook up my iMac with a long DVI cable to my TV, so I'm figuring I will need some sort of switch to flick between the two inputs, presumably like a KVM switch. Has anybody got any thoughts on this, I would entertain alternative ideas?

You need a DVI switch, just make sure it has audio.

DVI KVM switch to use with iMac and Cinema Display

I currently have a 20" iMac that I use with a 20" Cinema Display. I'd like to share the Cinema display between the iMac and a Dell computer. Assuming this can be done, are there any recommendations for a DVI-KVM switch? Most important is no loss in video quality when the Cinema display is used with the iMac. The Dell is seldom used and even a straight DVI switch without mouse and keyboard sharing would be OK.
 20" Intel iMac + Cinema Display + Sony HDR-HC7 HD camera Mac OS X (10.4.8) All tools, no talent!

I am also trying to link a Mac Mini and a HP PC with an nVidia FX5500 graphics card via a KVM switch. The mini works fine but the PC does not sync up and the screen is blank and the little white light on the lower right is blinking.
Any news on your question would be appreciated
mac mini Intel dual core Mac OS X (10.4.6)

DVI Switch

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