[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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