Mac Pro :: Won't Work With Dual 4870's / Can't Work With 2nd Graphic Card
Jul 17, 2009
In the last 2 weeks before my MP shipped, I've asked 3 Apple Geniuses at Apple stores and Apple Tech support about running dual DVI 23" Cinema Displays with 4870's. They ALL said I would need a second card. When I attempted the install, there were only 2 power cord clips on the back face of the main board. Both being used by the onboard Radeon 4870. What to do next? Another call to Apple support offered me a nice Indian girl who I could not really understand. Finally, I called a local non-Apple shop that I frequent for hardware and service issues. The very nice service tech told me to take the 2nd card back, since that original 4870 will drive 2 monitors perfectly, in my case, with a simple Mini DisplayPort to DVI adaptor for the 2nd 23" display.
how would you install any 2nd graphics card, if a 4870 takes up both power clips?
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Jun 16, 2010
I have an issue with my 4870 (Mac edition) that has been occurring since day one (when I purchased it last month), but it's not something that happens every single time.
I've run into a problem that the 4870 has trouble recognizing one or both monitors plugged in. If I shut off power to my displayport-connected main monitor, it'll throw the menu bar, all the desktop items, and application windows onto the second monitor (DVI-connected). This also happens when I shut off the second monitor (desktop items and app windows get shuffled to the main monitor).
The other issue is that on startup, it may just be slow to recognize one of them, and the above screen-swapping issues happen anyway, followed seconds later by the screen once again being recognized.
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Jun 16, 2009
I recently purchased a second 22" Dell 2209WA to go with my Mac Pro. They are both running from the ATI Radeon 4870 on my Mac Pro (2009 Quad) but the Expose performance seems to be really quite poor. Displaying all the windows is very juddery and not smooth at all. Is that what I should be expecting now? I wouldn't have on a �2000 Machine. Going into Spaces is fine, it's just Expose thats poor.
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Mar 23, 2009
Has anyone tried hooking up a two 30 ACD's to a 4870 on their MP.. just want to check if there are ANY issues with this setup.
[URL]
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Mar 13, 2010
I just picked up a second 24" ACD with the mini display port. I already have one, so the mini display port on my 4870 is in use. So I think I need an adaptor to go from the MDP on the second display to the DVI on the 4870.
However, this adaptor has a male MDP and a female DVI. The ACD has a male MDP, so I think I need an adaptor which is a female MDP and a female DVI.
I find it a little strange that it is so difficult to put two identical monitors on the Mac Pro. I did search the forums, but kept getting hits for the above adaptor and I am not sure how it would work.
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Oct 23, 2007
[URL] Will this fit a PowerMac G5 1.6 ghz. I have a AGP port 8x. Do you think this is a good card if someone is running dual monitors with Motion and Final Cut
Information:
Mac OS X (10.3.8)
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Jul 17, 2009
I have a 2009 - Mac Pro 8 Core with a 4870 Video Card. I know this card uses both the six pin power plugs. I want to add a ATi 2600 Xt card to be able to drive a third monitor and Wacom Cintiq tablet.
Will there be any problems doing this? Does the 2600 just plug into the PCI slot and fire right up? Do I have to adjust the card from 16 to 8?
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Sep 30, 2009
I am looking at putting one of these cards in my first gen Mac Pro and was wondering if anyone has had any problems with compatibility issues etc.
I am looking at getting one from bruinmacs and was looking for feedback from others that may have bought one and whether there have been any problems.
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Aug 19, 2009
I have bought a flashed 4870 for my 1st Gen Mac Pro and it works fine. But yesterday i wanted to plug a second 23" ACD in and woundered that its not working.
Can i flash my card with another ROM so that i can use two monitors? In a german forum there are some people who has the same card and for them it works with 2 monitors.
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Aug 6, 2010
Apparently, Apple is seeding updated Graphics drivers .
Can any of our GPU gurus hazard a guess at whether these will benefit those of us with flashed cards, or will they more likely brick them, or do we just not know until we test them?
I don't want to get my hopes up for improvements that might never happen!
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Jul 2, 2009
I have a MacPro 1,1 2.0GHz and would like to upgrade the CPUs. Is there a significant difference in every day performance between a 3.0GHz Woodcrest (quad core) vs. a 2.33GHz Clovertown (octo core)? I use my computer mostly for graphic work in Photoshop, Indesign and Illustrator and also like to play the occasional game.
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Mar 26, 2012
I have two websites. The old one is DogToysAndTreats.com. The new one is FunStuffForDogs.com. I need to change the home page graphic on both of them to point to my shopping cart pages. I have done this and published the changes on both sites. It works on my Mac but not on my PC.url...the graphic at the top with the bulldogs is supposed to link to url....Same thing on url... It works on my Mac in both Safari and Chrome. On my PC, it doesn't work on IE, Safari or Firefox. (BTW, I haven't worked on any of the other links until I can figure out how to do it properly.)
Info:
iMac, iOS 5
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Oct 8, 2009
So I have an Early 2009 Octocore 2.93 and I have a flashed ATI Radeo HD 4870 video card that is supposed to work on a PC but its flashed so it works on a mac. I know its not officially supported but the issue im running into is that the operating system cannot recognize the full resolution the HP LP3065 30 inch display is capable of. The display can run up to 2560x1600 on any other system but not with my ten thousand dollar machine. The windows side can display at the full resolution but Snow Leopard can only run 1280x800 and it makes the OS look like a pile of dog **** on sunday.
Anyone else run into this issue?
Heres the link btw to where this guy shows how to flash the card.
[URL]
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Jan 16, 2009
I searched but couldn't find anything that I needed. I picked up some MDDs(dual 1.25 & FW800 1ghz) with bad power supplies and eying up another MDD(Dual 867) which is working. Will the dual 1.25 and single 1ghz processor daughter card work on the previous model? I know the System clock is different and heard about removing a resister on the first gens to 167mhz FSB. I will also try and transplant the PSU too to check to see if my 2 MDDs fully work or not.
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Apr 9, 2009
I'm studying in Visual Communication Design. It is capable of designing both in graphics and media communication. And I want to buy iMac for study in this case. It work for this? Because I wondering about NVIDIA graphics 9400. shared memory from main RAM. And I'd like to play 3D Game in Bootcamp. Such as Crysis. Can it play smooth?
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Mar 12, 2012
After a while I got a "kernel panic" after normal graphic-work. What can I do. When I want to watch a video, there is no way to do that!
Info:
MacBook Pro (13-inch Late 2011), Mac OS X (10.7.3)
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Dec 21, 2008
I'm in need of some guidance. It took me a little while to get my GTX280 into the 1st slot in my mac pro but I'm just wondering,
In order to boot into os x can I just leave the 280 in the 1st slot and put the old 7300 gt in the 2nd slot ?
Then I can turn the power off from the 280 and it will default to the 2nd slot rite? Or must I remove the bottom (280) card for the older card to work?
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Aug 17, 2010
I have built a hackintosh mac pro 3.1 on dell T5400 and working good. Now I wan to build a real mac with mac parts. As titled, will there be any switch to make the single cpu working on dual cpu board, OR no way, that I need to put two? Or it's even simpler just boot the machine with one cpu left on board. Since putting 1 cpu save lots money for me.
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Apr 24, 2009
How certain are we that (physical?) interference between the airport card/wifi and the graphics card can be cured with a download, and not actual hardware fix/repair? I mean, I know technology is advancing rapidly, but I'm not sure I can believe that a download can solve the issue that the 4850s are experiencing.
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Mar 29, 2010
I have a Mac Pro 1,1 with a flashed ATI Radeon HD 4870 XFX. Had no problems with it ever.
Installed Mac OS X 10.6.3 software update and now the second monitor says No Input detected. Switched second monitor to first monitor and it worked fine, but the second DVI port no longer works.
Need to get this figured ASAP as I have a lot of work to do today... very unhappy with this update. Anyone else having a similar issue or have any thoughts on what to try? I've done everything I can think of.
Do I need to flash it again? Seems silly to have to flash it every time you update the OS. The video card is still recognized in System Profiler. HD 4870 with 1GB GDDDR5 VRAM.
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Jan 6, 2011
I need a bit of insight as to how to maximize the performance (and if there is any) with dual display setups on both my MP1,1 and 5,1.
First off, MP 5,1. Currently I'm running a 30" ACD off a DVI and 23" of a MDP to DVI on a 5870. The 30" is my main work display - the 23" is pretty much running trivial things, like browsers, finder, iTunes, etc. Since VRAM is being split between the two displays, would I benefit from installing a second video card to just run the 23" monitor and dedicate the 5870 to just run the 30" ACD? If yes, what should I use? I have an old 7300, but If there's anything better out there that's non cable powered, I'll get it. Also, there are times (rarely) when I need to run Windows 7-64bit to do some 3d CAD work - would having video cards from different vendors (hence different drivers) cause W7 to go nuts (conflicts, etc)? I can live with just the 30" on W7. I want to get get the most out of 5870 and 30" ACD while not running into conflicts under OS X by introducing another video card.
Second, MP 1,1.
It's windows 7 64-bit machine only. I have OS X installed, but since I use it for work I never boot into it. It's running a 27" display (1920x1200) on DVI and 23" (1680X1050) on MDP to DVI adapter. Again, the bigger display is my work area, and the smaller one runs browsers, outlook, etc. I do 3d CAD work, so more VRAM I dedicate to my main display, better it is. So back to my original question...what are my options? I do have that 7300 hanging around, but, again, I'm not so thrilled on mixing video card vendors and drivers. Should I just get some sort of low grade Windows based ATI Radeon card (don't care much of OS X on that machine).
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Mar 17, 2008
I am about to acquire a dual 1ghz MDD powermac g4 and was thinking of turning it into my main work computer. I do graphic design and own licenses to both cs2 and cs3. I also have retail versions of tiger and leopard. My question is what combination would be reasonable with this machine and if its reasonable using hardware this old for print design. I am not pro or a demanding user, but I do a fair amount illustrator, photoshop, and indesign work.
File sizes almost always well under 100mb. Right now I am using a Macbook Pro and I am aware that its much faster than this Power Mac, but I really would appreciate something I can have multiple hds in. It has 1gb of ram, and a radeon 9600 video card. Its also the non firewire 800 version. (2002)
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Jun 14, 2010
I'm working with a Mac Pro (2x3 GHz Dual-Core Intel Xeon, 4 GB RAM) and a dual 23" monitor setup. Quite recently the second monitor stopped responding, after disconnecting everything, moving, and reconnecting. (Everything was boxed lovingly in its original packaging and moved by gentle movers.)
It isn't the monitors � both work fine in the first monitor port. The computer recognizes there is a second monitor attached, allowing me to access Arrangement options under System Preferences > Displays.
The power light on the second monitor comes on, blinking in the following manner (if it were Morse Code): dot dash dot....(then it is dark for about four seconds before repeating the same blinking sequence). It appears to have some sort of meaning.
Any ideas? Is there a way to reset this?
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Jun 6, 2009
I recently flashed my Sapphire 4870 1gb card and haven't been able to get dual monitor support working in Mac OS. Has anyone been able to get this working on a Sapphire 4870?
It works fine in Windows, not sure why it wont work in MacOS as I imagine the 10.5.7 drivers should be doing all the work.
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Aug 15, 2009
I've been searching now for 2 days and i've read so many different things it's ridiculous. All i need is for someone to confirm that YES it is possible to run dual 24" LED cinema displays from a single 4870.
One would hook up to the mini display port, and the other thru the DVI port.
Also, anybody have pics of their dual display setup?
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Sep 9, 2010
I have a new 2010 MBP and I'd like to hook up two external monitors to it, more specifically, two ASUS VW246H 24-Inch Widescreen LCD Monitors. Either via HDMI or DVI connections. I've found various usb monitor adapters, but i've read that many can't quite 'keep up' and I really can't seem to find a solid solution out there.
So does anyone have a dual monitor setup they currently use, if so, what are you using to connect the mini display port to both external monitors.
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Apr 9, 2009
After several hours my mac is running linked to my LCD screen through MiniDisplay Port - VGA connector, Front Row simply doesn't start. It fades to black for a while but then it immediately fades back to the desktop.
I uninstalled every application might have affected Front Row (Caffeine, LastFm, TV Row) but it was useless. I even tried to fix permissions in the Disk Utility, but it didn't help.
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Sep 1, 2009
I connected a external monitor onto my macbook pro and I want to know how do I make that monitor my main one? like move everything (dock, folders, and bar on top) to my external monitor?
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Jul 29, 2010
I wonder if anyone has a setup with two 24 inch cinema displays that have speakers integrated into them...
How do the speakers work? Do you run a USB cable to each monitor so you have both sets of speakers working at the same time? Can you configure the monitor on the left to just play audio for the left channel and the monitor on the right to play just audio for the right channel?
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Mar 24, 2010
I found one on craigslist for $15 but want to make sure it will work, or if I do get it and try to install it I want to make sure I don't break my computer.
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