Hardware :: Dual Head Graphics Cards
Jun 14, 2011
I'm building another desktop. This is not a gaming system (though some video does cross my path), it's primary focus is as an application development platform. The thing is based on a SuperMicro two CPU motherboard with a couple intel multi-cores, 16GB RAM, a hardware RAID, and CentOS 5.6 (64bit). To this mix I would like to add a solid dual-head graphics card. Something that will support a couple HP LP2465 monitors (not new but functioning well). Speed of rendering is not my biggest concern, stability and "real estate" (the monitors are 1920x1200 and I want all of it).
I've looked a little at the Matrox items and started researching nVidia, but would like to hear opinions from those "in the know".The motherboard, though a solid performer, may have just made this trip unnecessary. It has a quirk that I hadn't considered before. It has several PCI-X slots (64-bit @ 133MHz) but only one "PCI-Express 1 (x8) on a (x16) slot". Does that seem a little strange to anyone else? Not that there is just one PCI-E but that it will fit a x16 board but will only support x8 connections...
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Jan 30, 2010
I want to buy a laptop with gma 4500hd WHAT I WANT IS
1. 2D AND 3D full support eg compiz, full functional kde4+effects (not to be slow)
2. full hd support
3. oss driver
4. ability for dual head monitor setup
searching in google find out that as fa as it concern the dual head setup there is a limitation on virtual desktop for older gma cards
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May 26, 2010
I've got a "little" problem with fedora 13: dual head with nouveau is not working. gnome-display-properties recognizes two displays and i can configure it (left, right, mirroring, ...) but first display is always in standby. Seems it doesn't get a signal from graphics controller. Desktop seems to work fine (can move the mouse pointer on the other screen into "the black hole"). I use Fedora 13 x86_64.
[Code]....
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Jul 16, 2010
I've just performed a fresh installation of openSUSE 11.3. System specs include GA-MA790X-DS4, PhenomII X4 940 AM2+, Sapphire RadeonHD 3670, two monitors. What I'm trying to accomplish is to set up my KDE desktop to (as it did under 11.2) use a multi-desktop multi-output non-cloned setup, so that I can use my two monitors side by side and maximize windows in either one respectively, etc.
So here I am with my newly installed system. Obviously I can't use fglrx, as it doesn't yet support the 2.6.34 kernel, so amdcccle is right out. SaX2, I notice, is gone. I have tried using KDE's built-in configuration tools, but the dual-head setup doesn't persist between logins. Strangely, windows that were open on the second monitor do vanish off-screen, but the monitors return to their overlapped positions so it's useless. Monitor 2 doesn't even retain its resolution setting. As one does, I decided I'd manually edit the X configuration file. SHOCK HORROR! No xorg.conf So what I'm driving at is this: How oh how do I configure my X.org to remember that it has two, quite different, monitors under openSUSE 11.3 ? Sorry if this post is hard to follow, I got very little sleep while trying to sort out the myriad problems I caused myself in upgrading.
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May 9, 2011
My situation is like so: I have two NVIDIA GTX 460 graphics cards running the latest (260.19.06) proprietary drivers. I SLI these together under Windows 7 for gaming. However, for day to day usage I have Ubuntu 10.1 running on my two monitors using twinview.
My problem is that the xserver refuses to load (I get the "screens found, but none have a usable configuration" error) when both my graphics cards are plugged in and powered; if I remove the power to one, the system works fine. If I was just using Ubuntu, I would simply leave one unplugged but, because I'm not, its a pain to have to plug/unplug one every time I want to switch operating system.
I have tried every modification to the xorg.conf file that I can think of and a few more found in the documentation and via google, all to no avail. I have also tried everything again with twinview disabled and only one monitor plugged in.
I am aware that SLI isn't compatible with twinview, I don't really need to use it, although it would, of course, be nice.
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Jun 22, 2011
In this particular example I am using NoMachine's NX, although the behaviour also occurs when running VNC for instance. I'd like to connect from my laptop (1 physical screen), to my desktop at work (2 physical screen) via NX. It all works but the following problem occurs: When I connect with my laptop to my desktop I (almost) always am connected to the 2nd physical screen, whereas all windows appear on this first screen. I can interact with my desktop, use the task manager etc, see which windows are running, but any application I start, starts on the first screen (which I cannot see) and for the life of me I cannot move them from screen1 to screen2 without dragging them (which obviously is impossible since I only see screen2).The obvious workaround is: *before* you connect disable the second screen via the display manager but for me this is a non-pratical work around because it requires a lot of actions before heading home. how I can connect from a single-head desktop to a dual-head desktop without crippeling my desktop experience?
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Feb 16, 2011
I'm using gnome in a dual-head setup with individual desktops. Is there any way to "jump" to another monitor using the keyboard only? Now the only method I know is to move the mouse pointer to the another screen and click on something there. Can I do something like that without using the mouse?
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Jun 14, 2010
I am trying out conky for the first time and rather enjoying it. I have a small frustration though. I have a dual head setup and would like to have identical conky's showing on both monitors. I have tried creating two .conkyrc's (.conkyrc1 & .conkyrc2) and then using:-
Code:
$ conky -c config1
$ conky -c config2
to launch them, this results in only one of the two conky's displaying. I did at first think that maybe they were on top of eachother, but one conkyrc is set bottom_left, the other bottom_right so they should not be right??
When I try to run them as above terminal shows:-
Code:
gregg@burt:~$ conky -c config1
Conky: invalid configuration file 'config1'
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: forked to background, pid is 7017 .....
#NETWORK
${font Sans:size=9:weight=bold}${color grey}NETWORK ${hr 2}$color${font Sans:size=8:weight=bold}
${color grey} DOWNLOAD UPLOAD
${downspeedgraph eth0 30,115 000000 00ff00} ${alignr}${upspeedgraph eth0 30,115 000000 ff0000}$color
Processes 8 & 9 do not appear in my conky, just blank space between 7 & 10?? Also, the swap %age displays 'No swap%'?
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Jun 19, 2010
I just installed lucid on my laptop with a second screen. Unfortunately, I cannot display any video. Neither on the laptop screen nor on the second external screen. In contrast, rebooting without attaching the external screen allows me to display videos again.
I never experienced this kind of behavior with Ubuntu 9.10.
Graphic card: Intel 945
Let me know if you need further information.
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Nov 2, 2010
I need help to run dual head (extended mode) on top of the followings.
1. RHEL 4.2
2. graphic card in Intel 945GM chipset
Anyone to guide me the driver and the configuration I should use.
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Oct 15, 2010
I have an Nvidia card that supports two monitors. Actually I have it setup. The problem I am having is I want to turn one of my monitors sideways so I can read forms easier. I can do this with just one monitor. RandR works fine with that. But it seems that when the system makes the two monitors into one long one it will not allow me to tweak the rotation in RandR.
Is there something I am missing. I deal with a lot of contracts and forms. And when I am reading them I hate scrolling. So I thought this could be an option. I have searched the net for 6 hours now. Maybe I do not know what I should be searching for.
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May 9, 2010
Is this possible? I have 2 screens and I'd like to see if I can use the same panel on both sides.
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Feb 23, 2010
Is it possible to run a box with 2 graphics cards in it with one card being a PCIe x16 and the other being a PCIe x1?
Unsure whether this would cause all sorts of problems with ubuntu and/or the nvidia drivers (2 quatro NVS 290's).
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Jan 9, 2010
I know ATI cards have not worked well with Linux in the past, however this may have changed since AMD bought out ATI and their being improvements in the OpenGL platform. (version 3.1/3.2) So... I am wondering. Is AMD planning to add more features to their cards by offering customer good solid drivers for use on the Linux platform(s)? I know that has always been one of their pros making good CPU chips that work well with Linux. But my main question is, do the 5xxx series cards work (well) in Linux? Has anyone every tried Linux with one of these card or are their any drivers out there?
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Jun 28, 2009
Is there a list of supported hardware anywhere?Ubuntu directed me to Gentoo-Wiki, but there was no page with the name...Anyway, I have Intel extreme graphics, whih I know isn't the best, based on the new ones out there,Does anyone know if it's supported for desktop effects?Or will I Have to buy a new one..I'm Okay if it's a bit slow, but I just want to know if it will run..
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May 21, 2009
I'm using Ubuntu 9.04 with 2 graphics cards (ATI X1300 both).After installation 1 monitor on one card worked fine.I also managed to start Ubuntu with dual monitor support (on one graphics card).Now I want to activate my 2nd graphics card in order to use my 3rd monitor too.
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May 7, 2010
I have an ACER Veriton 7600GT, with an internal Intel 82865G, which drives the main monitor and a Radeon 9250 which drives a second monitor (on its first port) - it all works fine under XP.I've had no luck at all trying to get any version of linux to cope with this. I've been trying live cds..PCLinuxOS and Mandriva will not boot except in 'safe mode' and then run with the wrong resolution for the main monitor and ignore the second one.
Ubuntu boots OK for primary but ignores the second monitor (I'm not keen on ubuntu anyway because of instability on other machines).OpenSUSE boots OK for primary and seemed to offer some hope of setting up the second monitor. However, after this discussion it seems to have come down to trying the latest development milestone.There is quite a lot of diagnostics in the above discussion and I'm wondering if anyone here has any experience of this sort of thing? The problem seems very fundamental in the sense that (even with all the tests) I've never seen the second monitor even receive a signal and wake up under any version of linux.
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May 20, 2010
Can any recommend a PCIe video card for my AMD64 box?Looking for one which basically has a good working driver:
- can do dual head using DVI and VGA output.
- open source preferably, I've used the nvidia proprietary one before, was fine but kernel upgrades became a pain.
- passive heatsink so it's silent, doesn't need to be a fast card since my other two were both onboard graphics.
- driver can do KMS for nifty high res console.
- most typical features work, so Mplayer plays nicely and can scale to full screen etc. (xv output +/- accelerated decoding)
- even a bit of light 3D for openarena or compiz would be nice.
- don't mind buying second hand if they aren't available new
I've had a Nvidia 7050 on board which was ok, fast enough, but upgrading with the proprietary driver became painful, and that motherboard is dying a flaky death.
- The nouveau driver looked promising, but wasn't really in Debian at that stage. But I did once accidently boot a high res console while testing a brand new kernel (2.6.31 I think) and was blown away Currently got an ATI RS880 [Radeon HD 4200] on board which is fine, 2D is fast enough, but the open source driver isn't finished yet. It can't do dual head (horrible distortion and crashes), can't suspend to ram (freezes), Xvideo and any form of 3D acceleration are missing.
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Jun 1, 2011
I'm getting used to gnome3 one thing still bugs me- why when I switch workspaces on my multiple monitor machine does only the primary monitor change to a different workspace? The secondary monitor (my laptop screen) shows all open windows I put on it plus it's not even shown in the workspace list.
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Oct 6, 2010
I have two identical Samsung monitors. One is connected. to my motherboard VGA port (and appears as a Radeon HD 4200).The other is connected to a VGA port on a separate PCI Radeon 9200 PRO board. When I first installed Suse 11.3, I had to go through the nomodeset boot command (otherwise my system froze up on boot) and I only get video on the screen connected to the motherboard. The other monitor light. flashes which means it's not seeing a video signal. And, I do not have an xorg.conf file in /etc/X11.
So I did the following:
I did an Xorg -config which created an xorg.conf.new file which looked sensible in that it showed both Radeons, and appeared to set up a dual-head system. The only change I made was to change the driver for both controllers from radeon to radeonhd. Then, I copied xorg.conf.new to /etc/X11/xorg.conf and rebooted. And, nothing is changed. I still need to do nomodeset on boot and I still only get video on the screen connected to the motherboard. I'd attach the xorg.conf and Xorg.0.log files, but it says I can't add attachments to this post. I don't see any major errors in the Xorg.0.log file, but a lot of it is greek to me.
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Feb 3, 2011
I have two Ubuntu 10.4 machines (and Ubuntu continues to hide more and more xorg.conf config such that I no longer know where to find it). One is a laptop running dual headed - DP1 is the internal screen, and VGA1 is an external monitor; both are running at 1600x900. The other machine is a desktop running both VGA1 and HDMI1 (which is actually a display port with a DVI adapter) at 1600x900. So in both instances my desktop is 3200x900. I run a VNC server on the laptop and connect to it (via SSH tunnel) from the desktop - when I press the full screen hot key, I get a 1600x900 view of the remote machine on one monitor, and half of my local desktop on the other monitor - the "full screen" only expands to fill one local monitor.
Normally this is exactly what you want when you full screen a web browser, email client, or other application. I'm sure there's some X magic to make it clear what a full screen actually entails, and the vnc client application is just dutifully accepting what it's told. While I would like to keep the normal full screen behavior for regular applications, but when I'm VNCing to another 3200x900 machine, I'd really like full screen to stretch across both local displays. Resizing the window to be "close" isn't quite good enough since I still have local panels at the top and bottom of one display (though I can set them to autohide), plus the VNC client application window border (since it doesn't appear to respect -notitle).
Is there any good way to have X lie to a single application about the "full screen" size? Can I get it to lie to all applications? xrandr --noprimary appears to have no effect.
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Jan 28, 2010
I'm looking at the 2009 apple mac mini ([URL]and wondering if anyone has gotten dual head working? I'm putting two 17" or 19" monitors on, so nothing too adventurous. I know that I'll require the "Mini-DisplayPort-to-DVI" to get Dual DVI Adpaters, but I wanted to confirm that dual head would be supported from the start. I'm aware that there are issues with rebooting the device, possibly as a result of the wireless drivers. That doesn't bother me. Dual-head is a requirement I intend installing 9.10 and dual booting macos for firmware updates.
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Jan 2, 2011
I have my computer set up to use separate x screens for both of my monitors and almost everything works perfectly. With this set up I don't have any problem displaying flash in full screen on either monitor like I had with twinview. I have it set up this way so that I can use my TV to display mythtv and still use my computer monitor to browse the web, etc. The only problem is that I use my iphone with hipporemote to give me a wireless keyboard/mouse. When using twinview this was not a problem as it was just one large desktop spread over two monitors.
However, switching to separate x screens seems to have broken the functionality of the vnc server. When using my physical keyboard and mouse I can just move the cursor off the side of monitor 1 to control monitor 2, however, if I'm connected via vnc the cursor gets "trapped" inside the active monitor. I can interact with each screen as expected but if I want to switch the mouse/keyboard focus to the other monitor I have to go to the computer and move the mouse to the desired monitor, which obviously defeats the purpose of using the iphone as a wireless remote.
So my question is this. Is there a way to assign a hotkey combination to switch the focus of keyboard and mouse that the vnc server is controlling? Or could I set the vnc server to only control one of the two x screens?
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Jun 5, 2009
I am running CentOs 5.3 x86_64 on a Dell Latitude E6400 and can't get dual head to work.
My graphics card(s) are Intel Mobile 4 integrated (one in the laptop, one in the docking station)
My displays are two Dell 2208 WFP
I run the "Display settings" GUI and select "Dual head", "Spanning desktops" with the right card & monitor.
When I restart X it fails to start with stack trace in the /var/log/Xorg.0.log file (full log attached)
Backtrace:
My /etc/X11/xorg.conf is below.
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Sep 10, 2011
i just upgraded my pc to 12.1 milestone 5 when i went to play my fav game (Xonotic) it was all laggy at 1 fps. I realised the graphics card app wasnt working anymore.Can any 1 fix PS and i had to go on failsafe too. PS2 milestone 5 workes flawlessly apart from the gnome 3 bug at startup
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May 24, 2010
Hi i am looking at buying a ASUS K52JR-SX052X i3-350M 2.26GHz, 4GB, 320GB, 15.6" WXGA LED, HD5470M 1GB, 11N, BT. or a ASUS G51JX-HD-SX232V i7-720QM, 1.6GHz, 6GB, 500GB, 15.6" WXGA LED, GTS360M 1GB, BT.
I know there can be issues with graphics cards and would like to know if anyone has a site that i could look at to see if these cards work with Ubuntu 10.04.
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May 18, 2009
What is the current state of ATI graphics card support under linux? Up until a few years ago, nvidia had much better (albeit proprietary) drivers than ATI. Has this situation changed, now that AMD has owned ATI for a while now? Are open source drivers any better?
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Jul 8, 2009
When I try to run the 'system-config-display' program for Fedora 11 and I use the dual head tab, attempting to save the settings results in this:
Traceback (most recent call last):
File "/usr/share/system-config-display/xConfigDialog.py", line 212, in ok
if card.getDescription() == self.secondVideocardOptionMenu.get_menu().get_acti ve().get_data("NAME"):
AttributeError: 'NoneType' object has no attribute 'get_data'
And it won't save the data.
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Jun 18, 2010
I've been troubleshooting a friends computer and we've pretty well hit a brick wall. The issue at hand is the video card will not output properly. To be specific, it's an NVidia card with both DVI and VGA ports. We want it to output via the VGA and ignore the DVI because there's nothing plugged in there (the monitor we want to use doesn't support DVI). At any rate, the only time we can get the VGA to work is when we have another monitor plugged into the DVI port and dual head the system. When we do this it also adds an extra "Unknown Monitor" to the display panel. When we just use the DVI the extra "monitor" disappears. now we don't want to have monitor sitting here useless just so we can use the vga out, but there seems little else to do. We tried installing the Nvidia proprietary drivers through the software manager and yum and it failed both ways.
This is really frustrating because it seems like it should be such a simple thing but nothing works. Does anyone else have similar issues? is there something i can do to fix this? I apologize if i've not provided enough info, but ask and i'll post anything you need to diagnose.
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May 9, 2010
Upon upgrading to Lucid from Karmic, my dual head setup doesn't work anymore with the new 2.6.32 kernel. In the previous kernel 2.6.31, everything works as expected (also when I boot Lucid with that kernel). On 2.6.32, the only thing I get is two clones. Is there some new type of configuration required that I missed or should I still compile some new kernel module???
My card:
Code:
rogier@rogier-desktop:~$ lspci |grep VGA
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 If [Radeon 9000] (rev 01)
My xorg.conf, which worked fine on Karmic:
Code:
Section "Monitor"
[Code]...
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