[jaws-uk] Re: Disabling Dual-Monitor Support - WAS:Re: Re: jaws and ATI Radeon X550
- From: "Tristram Llewellyn" <tris-l@xxxxxxxxxx>
- To: <jaws-uk@xxxxxxxxxxxxx>
- Date: Thu, 30 Mar 2006 13:38:56 +0100
We know that with some video cards it is not a problem and you can get away
with it, but others it is not so.
Regards.
Tristram Llewellyn
Sight and Sound Technology
Technical Support
www.sightandsound.co.uk
----- Original Message -----
From: Chipmunks
To: jaws-uk@xxxxxxxxxxxxx
Sent: Thursday, March 30, 2006 12:09 PM
Subject: [jaws-uk] Re: Disabling Dual-Monitor Support - WAS:Re: Re: jaws and
ATI Radeon X550
Ah, this makes sense and I think I read about it in a Tech Support
note on FS's site the other day in which they talked about jaws
getting into a loop about installing the video hook on cards with
dual displays.
My video card (with an ATI Radion 9250) actually does have a
secondary controller show up in device manager but I have not
experienced any ill-effects thus far. As it is a low-end card, i had
not expected it to provide dual monitor support. i think I go and
disable that secondary controller just in case. this means producing
a conflict in device manager though. Any way to totally get rid off
that secondary entry?
Thanks much.
Doris
At 11:28 AM 3/30/2006 +0100, you wrote:
>This is usually card specific and if you are not experiencing
>problems then it is probably not relevant to you yet at
>least. Until quite recently dual monitor support was quite rare,
>though obtainable on uipper end video cards. Now PCI express has
>come in as a new expansion bus technology it is, and will become far
>more common issue.
>At present these dual head display cards problems for all the DCM
>based accessibility aids becuase when the new breed of graphics
>cards install they provide two graphic controllers to the operating
>system so they can access the same data model within the O/S.
>
>If you have a DCM based accessibility aid such as Jaws, but
>WindowEyes and Zoomtext can also be included here then you need to
>go into device manager under "display adaptors" and disable the
>secondary controler.
>
>Some may worry about laptops, but those I have encountered so far do
>not provide true dual monitor support in the fashion that causes
>problems, although they may well be capable of driving both internal
>flat panel and external monitor. Where such machines do exist
>disable the second controller anyway as you will still be able to
>switch between the displays if you need to but not drive them at once.
>
>As Microsoft oversee the DCM standard in consultation with the
>screen access developers, it will be a move on Microsoft's part to
>shift things so at least screen access products can work in this
>environment. I know that at least on screen access developer has
>requested this be fixed.
>
>Regards.
>
>Tristram Llewellyn
>Sight and Sound Technology
>Technical Support
>www.sightandsound.co.uk
>
> ----- Original Message -----
> From: Chipmunks
> To: jaws-uk@xxxxxxxxxxxxx
> Sent: Thursday, March 30, 2006 11:01 AM
> Subject: [jaws-uk] Disabling Dual-Monitor Support - WAS:Re: Re:
> jaws and ATI Radeon X550
>
>
> this is a new one on me. How do you disable dunal monitor support?
>
> Cheers,
>
> Doris
>
>
> At 09:16 AM 3/30/2006 +0100, you wrote:
> >This sounds like a very new model, so haven't come accross
> >it. However with Jaws 7.0 and above with dual monitor support
> >disabled it is unlikely to cause problems. Cards further up the
> >range like x600 and x800 have not been known to cause problems
especially.
> >Regards.
> >
> >Tristram Llewellyn
> >Sight and Sound Technology
> >Technical Support
> >www.sightandsound.co.uk
> >
> > ----- Original Message -----
> > From: Graham Page
> > To: jaws-uk@xxxxxxxxxxxxx
> > Sent: Wednesday, March 29, 2006 6:20 PM
> > Subject: [jaws-uk] jaws and ATI Radeon X550
> >
> >
> > Hi all.
> > I am about to upgrade my PC and am concerned to make sure that
> > the graphics card offered will work.
> > It is a radion X550 with 256MB video ram.
> > Any problem with this card? I imagine it will have dual monitor
> > support so it will be necessary to turn off support tfor the second
> > monitor. The card is fitted in the PCI Express slot.
> > Regards
> > Graham
> > Graham Page
> > Mobile: 07753 607980
> > Fax: 0870 706 2773
> > Email:
> > gpage@xxxxxxxxxxxxxx
> > MSN:
> > gabriel_mcbird@xxxxxxxxxxx
> > Skype: gabriel_mcbird
> >
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