Messages in this thread |  | | | Date | Thu, 13 Aug 1998 19:37:21 -0400 (EDT) | | From | "Mike A. Harris" <> | | Subject | Re: CHALLENGE!!! =) |
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On Thu, 13 Aug 1998, David Schleef wrote:
> > > Hi everybody!!! > > > > > > This is a challenge for me ... and those who don't know how to > > > do it. =) How can I plug in a second SCREEN on a second VIDEO CARD in linux? > > > > > > I mean : I have a 15" SVGA Screen which I use in X-windows, and I would like > > > to plugin a 14" VGA Screen on a second video card.... > > > > > > Do you know that? > > > > > > if yes, reply here and at KURDT@VIDEOTRON.CA > > > > Sure! It's easy! > > > > 1) Turn off computer > > 2) Open up your computer > > 3) Find a free bus slot for your second video card. > > 4) Plug the card into that slot. > > 5) Put the case back on the computer. > > 6) Plug the second monitor into the second video card on the back > > of the computer. > > 7) Plug the power cord for the monitor into the wall outlet. > > > > > > Piece of cake. > > > > And this could potentially blow up both video cards, since they don't > typically have protection against two cards driving the bus at the > same time. (The Diamond Speedstar in my hand appears to use 74LS245's > to tristate the data lines, but if you connect the output of one to > the output of another when neither are tri-stated -- blammo!)
All that was asked was how to plug another video card into the computer. No mention of actually having it do anything, or even work.... > There are various web pages and FAQs discussing this. I have no references, > since it is just as easy for interested people to search for these as it is > for me. > > The cases where you could potentially use two video cards (hardware limitation): > > 1 Both are on the PCI bus > 2 One is on PCI and one is VGA on ISA (maybe) > 3 VGA and MDA > 4 You have a modified VGA card that translates bus addresses
Yes, exactly. The original poster didn't mention what the purpose of doing this was. Perhaps it was to troubleshoot a burned out video card or motherboard for midterms... It pays to form questions with more information....
> Assuming you have such a combination ready, you must look for software that > can handle it. There is a commercial X server that handles multi-heading for > the PCI/PCI case. I've heard reports of people using MDA as a console and > VGA for X. Last I checked, there did not appear to be kernel support for > multiple consoles. (sounds like a fun project...)
Well there is now. Check out the latest kernel (2.1.115 or 2.1.116).
-- Mike A. Harris - Computer Consultant - Linux advocate
Escape from the confines of Microsoft's operating systems and push your PC to it's limits with LINUX - a real OS. http://www.redhat.com
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