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2560 x 1440 on 2600XT?

2429 Views 3 Replies Latest reply: Dec 19, 2010 10:43 PM by Malcolm Rayfield RSS
ahar Calculating status...
Currently Being Moderated
Dec 15, 2010 9:31 AM
Hi,
I see that the maximum dual-link DVI resolution for the ATi 2600XT is 2560 x 1600 (16:10). Can anyone confirm that a monitor with a 16:9 2560 x 1440 resolution would work with this card? I realise the Apple 27" display is ruled out due to lack of DisplayPort on that card.
Thanks
Mac Pro (Early 2008), Mac OS X (10.5.8)
  • Malcolm Rayfield Level 7 Level 7 (28,070 points)
    Currently Being Moderated
    Dec 15, 2010 3:44 PM (in response to ahar)
    I realise the Apple 27" display is ruled out due to lack of DisplayPort on that card.

    There is an adapter available:
    <http://www.atlona.com/Atlona-Dual-Link-DVI-to-Mini-DisplayPort-Converter-USB-Po wered.html>
    but it won't help if the card doesn't support the resolution. In any case, you could replace your card with a much better one for not much more than the cost of the adapter:
    <http://store.apple.com/us/product/MC742ZM/A?fnode=MTY1NDA5OQ&mco=MTg2OTU0NzM>
    Mac Pro (Early 2008), Mac OS X (10.6.5), iPhone 3GS 4.2.1
  • Lauren Bish Calculating status...
    Currently Being Moderated
    Dec 19, 2010 10:31 PM (in response to ahar)
    My system:


    Chipset Model: *+ATI Radeon HD 2600+*
    Type: GPU
    Bus: PCIe
    Slot: Slot-1
    PCIe Lane Width: x16
    VRAM (Total): 256 MB
    Vendor: ATI (0x1002)
    Device ID: 0x9588
    Revision ID: 0x0000
    ROM Revision: 113-B1480A-252
    EFI Driver Version: 01.00.252
    Displays:
    Display:
    *+Resolution: 2560 x 1600 @ 60 Hz+*
    Pixel Depth: 32-Bit Color (ARGB8888)
    Main Display: Yes
    Mirror: Off
    Online: Yes
    Rotation: Supported
    DELL E248WFP:
    Resolution: 1200 x 1920 @ 60 Hz
    Pixel Depth: 32-Bit Color (ARGB8888)
    Mirror: Off
    Online: Yes
    Rotation: 90

    I don't see 2560x1440 listed as a resolution my 30" monitor supports, but I don't know why the vid card wouldn't since it easily supports the higher resolution.
    Mac Pro (early 2008) - 8 core, 18 GB RAM, Mac OS X (10.6.4)
  • Malcolm Rayfield Level 7 Level 7 (28,070 points)
    Currently Being Moderated
    Dec 19, 2010 10:43 PM (in response to Lauren Bish)
    The ATI Radeon HD 2600 was designed before the 2560x1440 display, so it may not support that resolution, even though it does support higher resolutions. If it doesn't it may be possible to force the desired resolution with SwitchResX
    <http://www.madrau.com/indexSRX4.html>
    or DisplayConfigX
    <http://www.3dexpress.de/>
    Mac Pro (Early 2008), Mac OS X (10.6.5), iPhone 3GS 4.2.1

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