Viewfinder to get even better ! :: My RISC OS :: What we make it!
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    Information: Viewfinder to get even better !

    Wednesday, December 26, 2001 - 05:57 PM, (4434 Reads)

    As a very happy user of the Viewfinder Graphics Card upgrade for RiscPC's, I was pleased at this announcement recently received from the Viewfinder mailing list.

    So far John has been busy improving the firmware with new versions appearing regularly, the firmware has been very stable since version 1.16 but that hasn't stopped John beavering away making it faster, smoother, and basically better.

    To quote John Kortink... The Viewfinder software currently supports only ATI XPert 98 AGP video cards, using chipsets collectively called 'Mach64' (Rage Pro Turbo, Rage XL and Rage Mobility).

    From the outset, Viewfinder was to support more than one AGP video card, and I'm glad to say that support for ATI cards using a newer generation of chipsets called the Rage 128 Pro
    has now sufficiently advanced to be certain that it will become available.

    Once software development is finalised, it will be possible for existing Viewfinder users to upgrade to a Rage 128 Pro equipped card. I have yet to decide on the way this upgrade will be provided, and at what cost, but it is likely to be relatively cheap.

    Currently, the ATI XPert 2000 Pro AGP video card is targeted. This card will provide at least the following improvements compared to an ATI XPert 98 card :

    • The ability to run higher spec modes, like 1920 x 1440 x 16M colours, 75 Hz. 2048 x 1536 modes are also available, with up to 16M colours, but refresh rates have not yet been fully determined due to monitor constraints. They are likely to be in the 65 Hz region.
    • 16 or 32 MB of memory instead of 8 MB, providing ample space for storage of cached sprites (e.g. the pinboard background), even in high resolution 16M colour modes.
    • More hardware acceleration performance.

    Watch this space for more details.

    John Kortink
    Windfall Engineering

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    Viewfinder to get even better ! | Log-in or register a new user account | 3 Comments
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    They do not necessarily represent the opinions of the site editor.

    Re: Viewfinder to get even better !

    (Score: 1)
    by MyRISCOS (webmaster at on Dec 28, 2001 - 09:31 PM
    (User information  | Send a message
    After being initially impressed by the Viewfinder and it's ease of use and the expansion of modes available, I'm now less impressed as mine (less than 2 weeks old) has to go back for replacement as it's now got a green / yellow hue to everything!

    CJE suggest that it's possibly a popped resistor or similar :-(

    It's like those old green screen monitors but more pastel - much like looking through green celophane :-(

    Re: Viewfinder to get even better !

    (Score: 1)
    by druck on Dec 28, 2001 - 11:00 PM
    (User information  | Send a message
    Sounds like just the thing to drive that
    Sony 24" widescreen I keep promising myself.

    But 72Hz has to be the minimum refresh for any
    modes that it is advrtised as providing, as that
    is what the EU health and safety laws stipulate
    (nothing stops you using less for your own use


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