Two graphics Cards?

Does anyone know if I can add another Graphics Card (PCI) to my G5? I have a 2.0 Ghz dual with a 128MB card. The card already handles two monitors and I need to add another. It would have to be a PCI card and hopefully CHEAP, as it would only need to have a VGA connector and less VRAM.
Many thanks for any help,
max

all i can remember right now is that there was issues with audio especially when trying to install that card.
then, when the dual cores came out, i was informed that now it is possible to run a bunch of cards simultainiously... unlike before,,
may i suggest you start a new thread with the topic:
Can I install a PCI 9200 in a Older(AGP)G5? Or issues?
That might be a good way to get some more info..

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Two graphics card on macbook pro which one do I use?

I have two graphics cards on my macbook pro. ADM random 6490m (256mb vram) and Intel HD graphics 3000 (512mb vram). My question is which one should I use? I don't do any hardcore gaming or photoshop. I guess that I am just looking for the best display and least buffering if that even has anything to do with the graphics card. I just want to get the most out of my macbook. I appreciate any advice. Thank you.

Your MBP more or less chooses which graphics card to use automatically. In System Preferences>Energy Saver, check Automatic graphics switching. When it's checked on, it will use the higher power and higher quality dedicated AMD 6490 when you're plugged into the wall, and uses the Intel 3000HD when on battery.
I have downloaded gfxCardStatus to give me more control over which graphics card to use. There are times I might want the AMD while on battery, even though it runs hotter and uses more battery life.
Either card will do well with HD movies, though I notice a lot more artifacts with the Intel 3000 when the movie has a lot of action or explosions or sounds. If you want to do hardcore gaming, you need the AMD of course. Photoshop is more dependent on the central processor rather than the graphics card, so I'm not sure you'd have much issue using either one.

CS4 and Mac Pro with two graphic cards: OpenGL not supported!

I have two graphic cards in my Mac Pro. If a use a dual display setup where both displays are connected to the same card, Photoshop enables OpenGL support (Preferences > Performance).
Switch both displays to the other card, also works fine.
BUT if I connect one display to the first card and the second display to the second card (so each display has its own graphic card) the Open GL support is greyed out (I can not longer use canvas display rotation for example)
This doesn't make sense to me and looks like a bug...

Are you running two of the same cards or are they different? I'm running a pair of NVidia 7300GTs with no issues...and I'm driving a pair of 30" Cinemas and an NEC 26" widescreen. I get better performance on the single 30" than on the card with the two displays. Also note that which PCI slot you are driving the cards in has an impact on their performance...something to look into.

Premiere Pro CC 2014 is crashing when i plug three screens on two graphic cards.

Hi Guys,
my mac pro (2010) is running with two graphic cards (2x ATI Radeon HD 5770 1024 MB graphics).
Premiere Pro crashes always when i plug in two displays on one graphic card and one display to the other one.
when i unplug the third display on the second graphic card, premiere pro is working well.
It would be very great to get some Answers.
Thanks
Damian

Anyone? The Adobe-Chat-Support couldn't help.

I have two graphics cards in my PC . after I had to reinstall windows again has been slower pc and stuff not play 4k footage . Can you help me find out about it " Raks " graphics card has stopped working ?

I have two graphics cards in my PC . after I had to reinstall windows again has been slower pc and stuff not play 4k footage . Can you help me find out about it " Raks " graphics card has stopped working ?

I'm not aware of any, not to say that there aren't any issues.
it may have nothing to do with ntpd, there are a lot of things running.
ntpd just happen to make the log entry at the same time as the panic.
I would check to see if there are any updates available for you system.
if this is the first time that this has happened. it may be (pick one):
cosmic rays
sun spots
the trilateral commission
if this happens more frequently and that traces look the same, then
there may be a real problem that needs to be looked into further.

Advantage/disadvantage two graphics cards in Mac Pro?

I'm working on an unfamiliar edit suite. They've installed two graphics cards in a late model Mac Pro. The second monitor isn't responding properly ... it's a black screen when it is supposed to be a full screen display of whatever is on the timeline.
A Mac Tech support article says: "Final Cut Studio applications may exhibit unexpected behaviors when used on a Mac Pro that has more than one graphics card. Unexpected behaviors may include rendering issues, Digital Cinema Desktop display issues, and window display issues."
The Tech support article says to pull one of the graphics cards.
This isn't my system. What is the advantage to having two graphics cards in a Mac Pro?
I want to pull one to make the 2nd monitor respond correctly. But I have to justify this to the owners of the suite.
All ears,
Ben

Hi guys,
I disconnected one card. Working with a single monitor there are is no more crashing with FCP. The card I'm using has a DVI out and two miniDisplayPorts. I'm looking around for an adaptor (or two) to go with the two miniDisplayPort outs. The card is an ATI RADEON 5770; I think it will support up to three monitors, two for sure.
There is no one in the suite here at present ... I've been poking around for the adaptors. I think canceling out the second graphics card may solve all my problems.
Thank you kindly for your help,
Ben

Can the 2008 Mac Pro (MacPro3,1) support two graphics cards?

I have a 2008 Mac Pro, I want to know if I can run two graphics cards in tandem?
I currently have a ATI Radeon HD 5770 installed for 1GB of graphics, I want to find out if It's also possible to run a second card to increase the total graphics power of the machine?
I see two possible options;
First, run the HD 5770 in one of the PCI Express 16-lane slots, and the old NVIDIA GeForce 8800 GT in the other available 16-lane slot; for a total of 1.5GB GPU power.
Second, would it be possible to run two ATI Radeon HD 5770 cards, in each 16-lane slot; for a total of 2GB of GPU power.
I realise that this would first require a power supply upgrade, as my machine only shipped with a 318 watt power supply. (Which would not support running two high-end cards.)
It would be very useful.
Thank you for any advice.
Regards,
Peter.

Thanks for the information!
I wouldn't have thought there would be enough power capacity in the current supply to run two cards. - Would this mean OS X will only see one card whilst the other sits as inactive hardware? (Or does it mean that that the system will see two different cards?
For example:
Would it be possible to use one card for a graphics intensive process in Adobe Photoshop, and use the other card separately with another application such as Final Cut Pro or Adobe Premiere Pro?
Also, how would a 64-bit application like Adobe Photoshop which has GPU acceleration utilise the setup? Would it only be ably to use one card at a time (per process)? Or could it utilise both cards at once to in essence get twice the graphics acceleration than if only using a single card?
Simply, can OS X assign each card to a different application/process? I hope that makes sense.
Also, any thoughts on how Bootcamp would handle two cards (since crossfire should be available in Windows?
Before I commit to purchasing a second 5770, would you seeing if my Mac will run the current card + the old NVIDIA 8800 gt?
Thanks in advance.

W530 - How does things work when having two graphics cards?

So I have a W530 with an Intel HD Graphics 4000 and a NVIDIA Quadro K2000M.
How does things work when the computer has two graphics cards? I mean, is only one active at a time? Or is one doing complex calculations while the other one might be the one displaying them on the screen?
Related question:
I just bought and installed the game Portal 2. How do I know if it is using the better graphics card (NVIDIA Quadro K2000M)? And if it is not, how do I configure Windows, Steam or Portal 2 to use it to its full potential?

Technically, the Intel integrated graphics is always active, although it is not always in use. Nvidia graphics will turn on and off according to need. Software from Nvidia called Optimus automatically switches between integrated (Intel) and dedicated (Nvidia) graphics, according to the application. Portal 2 will run smoothly at maximum settings and native 1920x1080 resolution using the K2000M. The easiest way to see which graphics card is in use is to check the "Display GPU activity icon in notification area" option in the Desktop menu of the Nvidia control panel. It should automatically use the Nvidia graphics card when Steam is running. If it does not, you can add Steam to the program settings in Nvidia control panel and select that it should always use the Nvidia graphics.
Also, if you are using an external monitor and the notebook monitor, then you will be using both graphics cards - the Intel graphics will drive the notebook screen and the Nvidia card will power the external display(s).
Thinkpad W530, i7-3720QM, 1920x1080 screen, 32GB RAM, dual SSDs (Samsung 830, Crucial M4 mSATA), Quadro K2000M, 9-cell battery, DVD burner, backlit keyboard, Bluetooth, Intel 6300 wireless card

Laptop with two graphics cards? [Nvidia Optimus - SOLVED]

Hi,
I just bought a laptop that includes two graphics cards: a low-power Intel one and a high-performance nVidia card. Right now I'm just using the Intel graphics card, and the system only detects it. When I install nVidia drivers I have to uninstall the intel drivers because of incompatibilities, and it doesn't even start the X server. I could attach a log if necessary, but I haven't found anything relevant, it just says that the nVidia driver is not valid for the detected graphics card. Is there a way to use both graphics cards transparently, like in other-operating-systems?
Some hints? Thank you!
Last edited by gskbyte (2011-08-04 13:14:02)

It's called Optimus. Kinda surprised there's people who don't already know about it. Not supported fully in Linux, but there's a hack to get the nvidia card going: Bumblebee
Edit: Bah, too late!
Last edited by Gusar (2011-08-03 21:47:16)

Two graphics card

I´d like to know if with two graphics card in your macpro increase the render speed working with motion,after,etc...
Thanks a lot.

To give Credit where it is due, BlackMagic Software's DaVinci Resolve is currently only App I know to run in OSX and leverage more than one GPU. It uses a GT120 as GUI card while using a GTX285 to render. Any other mix of cards greatly slows the app down.
We can all hope that someday more apps will do this. Apple hasn't made it easy. (despite all of the "OpenCl / Grand Central" hoopla)

Mac Pro with two graphic card each one with two dvi output, can I extend deskop to three outputs?

Mac Pro with two graphic card each one with two dvi output, can I extend deskop to three outputs?

MAC OS 10.7.4 3.2GHz Quad-Core Intel Xeon processors, 12GB of 800MHz DDR2 and 2 ATI Radeon HD 2600 XT 256MB (two dual-link DVI ports) . The problem is, I woul like to use one output as main and the three others as secondary or extended desktop but the system don't allow me use two diferent video cards this way.

Two graphics cards, X cannot handle one. [Solved]

My pc has two nVidia graphics cards connected by the SLI. I use the nvidia driver, not "noveau".
% lspci | grep VGA
03:00.0 VGA compatible controller: nVidia Corporation G94 [GeForce 9600 GT] (rev a1)
04:00.0 VGA compatible controller: nVidia Corporation G94 [GeForce 9600 GT] (rev a1)
I created the xorg.conf with the nvidia-xconfig tool, but it doesn't handle the video card on the pci bus 04:00.0.
I modified the xorg.conf. I hosted the file here ==>http://pastebin.com/Y1wq9wU4
But it doesn't work.
WARNING: could not open the device file /dev/nvidia1 (Input/output error)
(EE) NVIDIA(GPU-1): Failed to initialize the NVIDIA GPU at PCI:4:0:0. Please
(EE) NVIDIA(GPU-1): check your system's kernel log for additional error
(EE) NVIDIA(GPU-1): messages and refer to Chapter 8: Common Problems in the
(EE) NVIDIA(GPU-1): README for additional information.
(EE) NVIDIA(GPU-1): Failed to initialize the NVIDIA graphics device!
the X server starts but it uses only the first graphic card.
Can anyone help me? Thanks!
Last edited by mghis (2010-12-16 13:12:58)

thestinger wrote:
It wants you to check the kernel log (dmesg in a terminal or check /var/log/kernel.log), so there might be something useful to be found there.
Try "nvidia-xconfig --advanced-help" and see if there's still an option for enabling SLI, I seem to remember there was (it likely just adds an option line with "SLI" "1" or something along those lines).
Once you get it working, you should make sure you're actually getting more performance with SLI, it's not that great in linux and you might end up with tearing, stuttering and lower FPS.
Thanks! I added the sli option, but it doesn't work. The logs displays the error twice.
here are some infos from the kernel log
% dmesg | grep -i vga
Console: colour VGA+ 80x25
vgaarb: device added: PCI:0000:03:00.0,decodes=io+mem,owns=io+mem,locks=none
vgaarb: device added: PCI:0000:04:00.0,decodes=io+mem,owns=none,locks=none
vgaarb: loaded
vgaarb: device changed decodes: PCI:0000:03:00.0,olddecodes=io+mem,decodes=none:owns=io+mem
vgaarb: transferring owner from PCI:0000:03:00.0 to PCI:0000:04:00.0
vgaarb: device changed decodes: PCI:0000:04:00.0,olddecodes=io+mem,decodes=none:owns=none
% dmesg | grep -i nvidia
hda_intel: Disable MSI for Nvidia chipset
nvidia: module license 'NVIDIA' taints kernel.
nvidia 0000:03:00.0: PCI INT A -> Link[AXV5] -> GSI 16 (level, low) -> IRQ 16
nvidia 0000:03:00.0: setting latency timer to 64
nvidia 0000:04:00.0: enabling device (0000 -> 0003)
nvidia 0000:04:00.0: PCI INT A -> Link[AXV7] -> GSI 16 (level, low) -> IRQ 16
nvidia 0000:04:00.0: setting latency timer to 64
NVRM: loading NVIDIA UNIX x86 Kernel Module 260.19.21 Thu Nov 4 20:24:24 PDT 2010
Thanks for any help!

Crashing FCP (two graphics cards?)

I'm in an unfamiliar studio, newly set up. I'm working with FCP 7 (with all the latest updates).
New Mac Pro tower:
MacPro5,1
6-Core Intel Xeon
2.66 GHz
2 processors
total number of Cores: 12
and 2 ATI Radeon HD 5770 graphics cards
Problem #1: can't get the 2nd monitor to playback full screen; screen is just black. When I first started up the machine, this was an issue. I turned off Exposé and made the keyboard functions 'standard' and it seemed to work properly for half a day. When I came back a week later (no one touching it in the meanwhile) it wouldn't display playback full screen.
There is an Apple Tech article that says 2 graphics cards can cause monitor issues. I went to pull one graphics card, but there is no 2nd hub on this computer to be able to run two monitors from one graphics card. And I need two monitors, this is a big job.
Now I'm getting FCP crashing every ten or twenty minutes. Scrolling the timeline I get odd primary colors flashing (mostly green), and while scrolling one clip I'm getting flashes of a dozen clips popping onto the screen. I've trashed the .plist file. I've repaired permissions.
I'm wondering if the 2 graphics cards can be causing these problems? Or if there are any issues with those PARTICULAR graphics cards. Or what I need to do to pull one card, but be able to have the two monitors running off the other (given this computer hasn't a second plug for the 2nd monitor to go into one card)?
Or if it might be something entirely different?
I'm on Fogo Island out in the North Atlantic ... no instant tech support nearby.
All ears,
Ben

Quickie question.
I'm disconnecting one of the cards, to see if that has any effect on the crashing. I'll use one monitor for awhile.
I see that there are two ports out of the remaining card, one is a DVI out, the other is a display port ... looks like two USB slots side by side (but bigger holes). Can I get an adapter for this display port thing, to go to the DVI cable coming from the monitor? So I can use the one graphic card ATI Radeon HD 5770 to run the two monitors?
I know that the two cards are causing the monitors to NOT respond as they should, but has it been determined that they are also responsible for causing FCP crashes?
Or should I be checking my RAM etc.?

Can I use two graphics card in Mac Pro

In order to use the CUDA advantage in Adobe Premiere Pro I bought an NVIDA Quadro FX4800. The original graphics processor in my Mac Pro (mid2010) is a ATI Radeon HD 5770. Can I use both cards? How do I ensure that Premiere is using the CUDA architecture if both cards are installed? Does a graphics card work if no monitor is attached to it?

Newer cards have minidisplay port and then use MDP to DVI (active dual link for higher resolution).
Yes you can have an ATI and Quadro or GTX.
Most people, based on cost/performance go with newest Nvidia instead.
You can run up against the limits of having two 6-pin aux power connections available.

Cant open firefox on second screen on computer with two screens with two graphics cards.

I have a computer with two screens and two diffrent graphics card. One of them is onboard GC and another one is USB GC. I am running two instances of FF and it works fine with 3.6.20 version. But when I update to the latest version of FF either 5 or 6 this does not work. Even if i try to open one instance of FF on second screen on USB GC , I cant see anything> i have to move it to the main screen to see the FF window and will not work on the extended screen. I am using windows 7 pro 32 bit and the screen resolution is set to 1280x1024 on both the screens.
Can you please help.
Thanks.
Regards
PJ

Try to disable hardware acceleration.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
If disabling hardware acceleration works then check if there is an update available for your graphics display driver.
*https://support.mozilla.org/kb/how-do-i-upgrade-my-graphics-drivers

Two graphics Cards?

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