Re: [expert] 2 or more display card in Linux ?

[Arandir]

On Mon, 19 Jul 1999, Ty C. Mixon wrote:
> Ok, if we can do anything, why is the support staff at Mandrake told me I can't
> have more than one GUI open at once?
> 
> And better, how can I do this.  I LIKE Gui's.  it fits how I think - in
> pictures.
> 
> > Not being able to afford the luxury of a superflous (for me) monitor, I don't
> > have any details.

Mandrake Linux doesn't *support* multihead, since it's not part of their
distro. The tech support person you conversed with might not even have known
about multihead. You're talking to tech support after all :-)

As I said, I don't have the luxury of having a multihead monitor, so I can't
give you any configuration scripts or anything However, the X Windows System is
just another set of processes. I have seen two GUI's operating at the same time
with different X consoles, but on the same monitor, that the user could switch
between. With multihead, there's no reason not to have two monitors running two
separate GUI's. I would suggest looking at x.org, xfree86.org, etc.

--
Arandir...
___

Re: [expert] 2 or more display card in Linux ?

[Bernhard Rosenkraenzer]

On Tue, 20 Jul 1999, Lang Zhi wrote:

> Hi,
> Can Linux or X11 support 2 or more graphics card at once , like the 
> Windoze98 idea ?

XFree86 4.0 will.

LLaP
bero

Re: [expert] 2 or more display card in Linux ?

[Ramon Gandia]

Arandir wrote:
> 
> On Tue, 20 Jul 1999, Lang Zhi wrote:
> > Hi,
> > Can Linux or X11 support 2 or more graphics card at once , like the
> > Windoze98 idea ?
> 
> You mean like "multihead". Sure. You can do whatever you want! (After all,
> you can have multiple people using the the same system simultaneously.) Take a
> look at "Xinerama", a project of Mandrake (of E fame). You can drag windows from
> screen A to screen B. Xinerama is supposed to be included in XFree86 4.0. I
> don't know how to do it, but a slightly different thing I've seen is having a
> monitor for "X", and another monochrome monitor for a console.
> 
> Not being able to afford the luxury of a superflous (for me) monitor, I don't
> have any details.

There is quite a bit of information about this on the Xi Graphics
web site http://www.xig.com  makers of Accelerated X, a competitor
to XFree86.

But in a nutshell, it sounds easy provided you have either:
1. A VGA card and a Monochrome MGA card.  This should work with
*most* computers, and it should work with the present XFree86
as well.
2. Two compatible VGA cards.  There are only a few that will
work.  Apparently they are special in that most VGA cards will
do only one i/o and interrupt, whereas the special cards can be
set with jumpers to use a different i/o and interrupt.  With
this setup, and the Multiheaded software from Xi Graphics, you
can have two color monitors (and presumably two keyboards and
either one or two users etc).

If I may be so bold as to make a suggestion.  I would not do
the Multiheaded twin VGA.  It sounds expensive and I bet thate
there are going to be quirks.  For instance, I cannot but
imagine that each X windows application will need to be told
which display to use, etc.

Instead, I would use two computers networked together.  With
Xwindows running in both, you can have computer B display
programs running in A.  This is standard X-Windows, and is
supported with the hardware you now have.  Easiest way to
do this is with ssh although rlogin and telnet may work.

For instance, say I am sitting at computer B, and want to 
run Netscape in computer A but display it in B.

I open an xterm in B, and ssh to A and start the program.

promptB $ ssh machineA.com
password:  peanut

promptA $  netscape &

and presto, Netscape displays on B, not A.

In fact, machine A does not even need to be running X...or
have X windows installed.

It works "satisfactorily" with a 10 mbps ethernet, but is
really truly wonderful with 100 mbps ethernet or those fiber
optic network cards.  

Think carefully about this because the cost of 100 mbps
ethernet cards is a lot less than the two special VGA cards
you will need for the dual-headed computer, and the flexibility
is a lot better.  Just make sure to use a 100 mbps crossover
cable or a 100 mbps hub and verify you have a useful 100 mbps
link. A lot of machines that have 100 cards only put out 10
for one reason or another.


-- 
Ramon Gandia = Sysadmin  Nook Net
http://www.nook.net  [EMAIL PROTECTED]
285 West First Avenue   tel. 907-443-7575
P.O. Box 970fax. 907-443-2487
Nome, Alaska 99762-0970 == Alaska Toll Free. 888-443-7525

Re: [expert] 2 or more display card in Linux ?

[Ty C. Mixon]

Ok, if we can do anything, why is the support staff at Mandrake told me I can't
have more than one GUI open at once?

And better, how can I do this.  I LIKE Gui's.  it fits how I think - in
pictures.

On Mon, 19 Jul 1999, you wrote:
> On Tue, 20 Jul 1999, Lang Zhi wrote:
> > Hi,
> > Can Linux or X11 support 2 or more graphics card at once , like the 
> > Windoze98 idea ?
> 
> You mean like "multihead". Sure. You can do whatever you want! (After all,
> you can have multiple people using the the same system simultaneously.) Take a
> look at "Xinerama", a project of Mandrake (of E fame). You can drag windows from
> screen A to screen B. Xinerama is supposed to be included in XFree86 4.0. I
> don't know how to do it, but a slightly different thing I've seen is having a
> monitor for "X", and another monochrome monitor for a console.
> 
> Not being able to afford the luxury of a superflous (for me) monitor, I don't
> have any details.
> 
> -- Arandir...
> ___
> 
--
Ty C. Mixon
ICQ #: 26147713
[EMAIL PROTECTED]

Re: [expert] 2 or more display card in Linux ?

[Arandir]

On Tue, 20 Jul 1999, Lang Zhi wrote:
> Hi,
> Can Linux or X11 support 2 or more graphics card at once , like the 
> Windoze98 idea ?

You mean like "multihead". Sure. You can do whatever you want! (After all,
you can have multiple people using the the same system simultaneously.) Take a
look at "Xinerama", a project of Mandrake (of E fame). You can drag windows from
screen A to screen B. Xinerama is supposed to be included in XFree86 4.0. I
don't know how to do it, but a slightly different thing I've seen is having a
monitor for "X", and another monochrome monitor for a console.

Not being able to afford the luxury of a superflous (for me) monitor, I don't
have any details.

-- Arandir...
___

[expert] 2 or more display card in Linux ?

[Lang Zhi]

Hi,
Can Linux or X11 support 2 or more graphics card at once , like the 
Windoze98 idea ?

thanks

**~*   **~*
F  /-/  Lang Zi <[EMAIL PROTECTED]>  \-\  F
R /-/ whois Linux | grep lz "Chan Kien Eng"   \-\ R
E/-/ "We grow strong by pains,grow great by dreams - Wang Jie" \-\E
E - - ^  When do you wanna cra$h today ??  ^ -  - E







__
Get Your Private, Free Email at http://www.hotmail.com