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'[EE]: supporting 3 or more monitors from XP'
2007\11\20@184838 by Cedric Chang

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I have long been addicted to using 2 monitors with my computers.
Recently I tried to get 3 monitors running with XP.
I could get two running and the 3rd board will not start.
I am looking around for help since I have heard that XP will support
10 monitors.

I have one on-board video output and two PCI based video cards.
Any suggestions *

Best

Cedric

2007\11\20@191029 by Bryan Bishop

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On Tuesday 20 November 2007 17:48, Cedric Chang wrote:
> I have long been addicted to using 2 monitors with my computers.
> Recently I tried to get 3 monitors running

I would like to hear from the engineers, programmers or information
junkies on the list if anybody else uses 3+ monitors. I used to have a
four monitor setup, and keep track of a few interesting setups on a
page:
http://heybryan.org/interfaces.html

If only I'd get started on mimicing them.

- Bryan

2007\11\20@191748 by Danny Vacar

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Check out what Matrox has to offer http://www.matrox.com/graphics/en/home.php
Granted they mostly market it for gamers but their TripleHead2go might
be just the thing for you, plus if you have two video outputs, you
might just be able to get 2 of them and run 6 screens.

On Nov 20, 2007 6:48 PM, Cedric Chang <spam_OUTccTakeThisOuTspamnope9.com> wrote:
{Quote hidden}

> -

2007\11\20@192248 by peter green

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Cedric Chang wrote:
> I have long been addicted to using 2 monitors with my computers.
> Recently I tried to get 3 monitors running with XP.
> I could get two running and the 3rd board will not start.
> I am looking around for help since I have heard that XP will support
> 10 monitors.
>
> I have one on-board video output and two PCI based video cards.
>  
Which ones are working?

How modern are the cards?

Which is the primary? (that is the card the bios comes up on?)

are there any AGP or PCIe slots or is PCI the only option?


2007\11\20@202101 by Robert Rolf

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I have found that the 'problem' with getting multiple monitor
installations to work is the DRIVERS. You need a MODERN card
with updated drivers that support multi-head mode.

And I have never been able to get a PCI card to work if
it's in the slot right next to AGP. Something about shared
interrupts.

And your on-board video may be turning off automatically
or sharing a PCI slot. Try moving the card(s) to other
slots.

I'll bet that you are using ATI chipsets, and THAT is part
of your problem. (ATI drivers suck... I finally gave up
on them and discovered how painless installations CAN be
with Nvidia or Matrox.)

I run two quad head Nvidia (dual card) systems and
many dual card dual monitor with NO difficulties at ALL.

Robert.


peter green wrote:
{Quote hidden}

2007\11\20@203755 by Cedric Chang

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>
> On Nov 20, 2007, at 5:22 PM, peter green wrote:
>
> Cedric Chang wrote:
>> I have long been addicted to using 2 monitors with my computers.
>> Recently I tried to get 3 monitors running with XP.
>> I could get two running and the 3rd board will not start.
>> I am looking around for help since I have heard that XP will support
>> 10 monitors.
>>
>> I have one on-board video output and two PCI based video cards.
>>
> Which ones are working?
>
> How modern are the cards?
>
> Which is the primary? (that is the card the bios comes up on?)
>
> are there any AGP or PCIe slots or is PCI the only option?

Sorry, I meant to add more information.
I configured the bios to initialize the PCI cards first.
The first video source is onboard the motherboard and acts as an AGP  
card
I believe.   SiS 650
The second video source is PCI.  Trident Video Accelerator 96xx
The third video source is PCI.  S3 Trio64V2

The duo of V1and V2 work.  The duo of V1 and V3 work.  The duo of V2
and V3 do not work.  So maybe I have to resolve how to get two PCI
cards working together.

Regards

Cedric



2007\11\20@205329 by Marc Nicholas

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Our traders at work generally have six (6) heads. What specifically do
you need to know?

We use Matrox cards and this is definitely something they do better than most.

-marc


On 11/20/07, Cedric Chang <.....ccKILLspamspam@spam@nope9.com> wrote:
{Quote hidden}

> -

2007\11\20@210945 by Cedric Chang

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{Quote hidden}

Thanks for the advice.
The location of the PCI video cards does not seem to present a problem.
One of the PCI cards works in the slot right next to the AGP slot  
( which is
empty )

Cedric

2007\11\21@012335 by Robert Rolf

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Cedric Chang wrote:
> Sorry, I meant to add more information.
> I configured the bios to initialize the PCI cards first.

What happens if you init the AGP first?

> The first video source is onboard the motherboard and acts as an AGP  
> card I believe.   SiS 650

More likely to behave as PCI. What does run 'msinfo32' tell you about
the display hardware? (components/display)
e.g. PNP Device ID        PCI\VEN_1002&DEV_4150&SUBSYS_47721002&REV_00\4&B5FB279&0&0008
for an ATI all-in-wonder 9600


> The second video source is PCI.  Trident Video Accelerator 96xx
> The third video source is PCI.  S3 Trio64V2
>
> The duo of V1and V2 work.  The duo of V1 and V3 work.  The duo of V2
> and V3 do not work.  So maybe I have to resolve how to get two PCI
> cards working together.

I have had no issues with getting JUST two PCI cards to work.
But I have had no end of grief trying to get S3 chipset cards to
behave with AIT, so I just tossed it. (The ATI card was far more costly
at the time).

When you disable the on board video, do you set the other PCI card
in your 'properties/settings' menu? Or in msinfo32 screen, and
in the hardware manager?
Are you running the latest update for your bios?
Have you tried using the cards together in a different motherboard?
It's the bios' responsibility to enumerate ALL the PCI devices,
and it may be brain dead and stopping after it finds the first PCI card,
so of course windows never sees the card.

Try running 'install new hardware' to force winblow to look for the second
PCI card if it doesn't show up in msinfo/device mgr (although if the bios
didn't enumerate it, it probably won't respond to a poll ).

Good luck.
May I suggest you spend $60 and buy an inexpensive dual head AGP
card to save yourself a LOT of time and effort. NOT ATI of course <G>.

Robert

2007\11\21@035325 by peter green

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> Thanks for the advice.
> The location of the PCI video cards does not seem to present a problem.
> One of the PCI cards works in the slot right next to the AGP slot  
> ( which is
> empty )
>
>  
Given the low price of dual head AGP cards I would see if you can use
one of those along with the onboard.

It sounds like you main problem is your cards are very old. my guess is
that one of the cards is acting as primary and onboard as an extra
(onboard rarely ends up as the primary). Practically any card can work
as the primary in a multi monitor setup but the card and driver have to
be specially designed to work as a secondry.


2007\11\21@143815 by Cedric Chang

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>
> On Nov 20, 2007, at 11:23 PM, Robert Rolf wrote:
>
>
> Cedric Chang wrote:
>> Sorry, I meant to add more information.
>> I configured the bios to initialize the PCI cards first.
>
> What happens if you init the AGP first?
>
>> The first video source is onboard the motherboard and acts as an AGP
>> card I believe.   SiS 650
>
> More likely to behave as PCI. What does run 'msinfo32' tell you about
> the display hardware? (components/display)
> e.g. PNP Device ID        PCI\VEN_1002&DEV_4150&SUBSYS_47721002&REV_00
> \4&B5FB279&0&0008
> for an ATI all-in-wonder 9600

Good idea   I ran 'msinfo32' .   All three cards are PCI   I have  
installed a 4th card ( AGP from Matrox )
Nope  that did not work.  Inserting an AGP card seems to turn off the  
on-board video
no matter what I try.
With no on-board video and one AGP card and two PCI cards, I still  
have the same problem.
The second PCI card does not start.
I will try another computer and then get a job shoveling snow.

Thanks to Rolf

Cedric
{Quote hidden}

> --

2007\11\21@145032 by peter green

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> Good idea   I ran 'msinfo32' .   All three cards are PCI   I have  
> installed a 4th card ( AGP from Matrox )
> Nope  that did not work.  Inserting an AGP card seems to turn off the  
> on-board video
> no matter what I try.
> With no on-board video and one AGP card and two PCI cards, I still  
> have the same problem.
>  
how about one twin head AGP card and one PCI card.

2007\11\21@151017 by Carl Denk

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Did you check the motherboard BIOS settings? There might be something
there enabling/disabling the AGP.

Cedric Chang wrote:
{Quote hidden}

>> --

2007\11\21@194745 by Herbert Graf

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On Wed, 2007-11-21 at 12:38 -0700, Cedric Chang wrote:
> Good idea   I ran 'msinfo32' .   All three cards are PCI   I have  
> installed a 4th card ( AGP from Matrox )
> Nope  that did not work.  Inserting an AGP card seems to turn off the  
> on-board video
> no matter what I try.
> With no on-board video and one AGP card and two PCI cards, I still  
> have the same problem.
> The second PCI card does not start.
> I will try another computer and then get a job shoveling snow.

Makes sense. I haven't been following the thread, but almost all
chipsets that support AGP only support ONE AGP device (otherwise they'd
need two north bridge to AGP bridges). Therefore, the installation of an
external AGP device will disable the internal AGP device. I don't see a
way around that.

TTYL

2007\11\21@201831 by peter green

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>
> Nope  that did not work.  Inserting an AGP card seems to turn off the  
> on-board video
> no matter what I try.
> With no on-board video and one AGP card and two PCI cards, I still  
> have the same problem.
> The second PCI card does not start.
>  
My guess is that one PCI card ends up as the primary (you never told us
which card is acting as the primary in your various setups). Virtually
any card can act as a primary. The onboard or AGP card ends up acting as
a secondry. The other PCI card most likely cannot act as a secondry
because either the card or it's driver does not support operating as
one. While I am having trouble finding details on your PCI cards the
manufacturers involved suggest they are pretty old.

I see two ways forward that should get you the three monitors .
1: replace the AGP card with a dual head one
2: replace the non working PCI card with a modern one.

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