lkml.org 
[lkml]   [1998]   [Aug]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: CHALLENGE!!! =)
On Thu, 13 Aug 1998, Mike A. Harris wrote:

> On Thu, 13 Aug 1998, Tygrys wrote:
>
> > > 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?
> >
> > Not possible. The ,,excelent'' pc architecture allows only one (S)VGA
> > graphic card. However, you can plug in a VGA and a hercules :-)
>
> You can plug in two cards that support it. Matrox Millenium,
> Mystique support it, as do most S3 cards I believe. I think even
> a lowly Cirrus Logic supports it.

If you watch out for hardware bugs, most PCI cards can.

> The second and further cards do not act as VGA cards, but rather
> remap all I/O and video mem.

The PCI bus detects the conflict and puts the card(s) to sleep.
They can be woken up and remapped to a non-conflicting segment of PCI
address space.

> It used to be so that 2 VGA cards wouldn't work in a system
> together, but most common video cards work in a system now
> together I believe, just not as VGA's.

They have to remap their registers (VGA and otherwise) into their
PCI LAW.

Jon

---
'Cloning and the reprogramming of DNA is the first serious step in
becoming one with God.'
- Scientist G. Richard Seed


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html

\
 
 \ /
  Last update: 2005-03-22 13:44    [W:0.166 / U:0.736 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site