[mythtv-users] Dual Head Nvidia Card setup
derliebegott at gmail.com
Fri Oct 19 10:48:47 UTC 2007
2007/10/18, Yan Seiner <yan at seiner.com>:
> Mike LaPlante wrote:
> > Daniel Arfsten wrote:
> >> MY REPONSE IS BELOW
> >> I have to completely disagree with the response above.
> > Actually, I think you do need two cards for what Yan is wanting. Because
> > he actually wanting two mice, two keyboards, two monitors. Not just dual
> > head. I believe the video devices must be separate for such a terminal.
> > You could however have two dual head video cards creating 4 desktops, 2
> > for each virtual terminal. Man, I'd hate to see that xorg.conf file
> > though. :-P
> > This site takes it to the extreme with 6 VTs.
> > http://linuxgazette.net/124/smith.html
> > Mike
> Yup, I just went round and round and finally found this (and confirmed
> it on my own):
> > Many of the X drivers will work just fine with two screens at one
> > physical PCI address -- but that is two screens in X terminology, not
> > two displays. So you can use both outputs for one user, but not for
> > two separate users.
> > The reason for this is that each display is a separate instance of the
> > X server (process). You can't have two processes access the same >
> > hardware without building some arbitration code, or having the first
> > server expose an interface to the card to the second server, or
> > building a arbitration process that both servers would talk to.
> Oh well, I was trying to scrooge and save a slot, and I guess that won't
> happen. Fortunately the mobo I have has two pcie-16 slots, so I can
> stick another nvidia card in there and save my 3 precious PCI slots for
I have the same situation. Two PCIe x16 Slots with two passive
GeForce 7600GS cards. I have 4 monitors on these two cards with 2 X
servers running at the same time. To make performance better, I put
HOME directories for the two users on two different hard disks. It is
working really great.
I had at first Myth running on the 2nd card, but I now have two
keyboards, two mouses and four monitors.
> (when, oh when will we have a pcie-anything tuner that works with linux????)
I am also waiting for that... I have two slots waiting for that...
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