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End of life (EOL) effective May 2010
The Matrox Parhelia DL256 is an EOL product and is no longer being manufactured or sold by Matrox. Consult your local resellers and distributors for available inventory. Customers who have deployed the Parhelia DL256 can now benefit from nearest product alternative such as the M9125 PCIe x16.

For projects with significant volume and where the EOL product is a requirement, please contact Matrox.


Matrox Parhelia DL256

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The Matrox Parhelia DL256 is a dual-link DVI multi monitor graphics card that supports up to 4MP (million pixels) of resolution (2560 x 1600).

  • Matrox DualHead for simultaneous support of one dual-link DVI monitor and one analog monitor
  • Joined graphics card mode enables an additional Matrox DualHead* or TripleHead** graphics solution to work in tandem in one system to drive up to four displays†
  • Unified Microsoft Windows 2000, Windows XP, and Windows Vista XDDM display driver for Matrox Parhelia series and Millennium P-series graphics cards
  • Monitors supported include the 30-inch Apple Cinema HD Display, the Dell 3007WFP, and the HP LP3065 Flat Panel Monitor (all at 2560 x 1600 and 1280 x 800 resolutions)
  • 64-bit, 66 MHz PCI card compatible with all PCI and PCI-X slots
  • 256 MB graphics memory
  • Matrox UltraSharp Display Output Technology
  • Hardware support for quad-buffered stereo-3D output
  • TV-output support (composite video and S-video, NTSC or PAL)
  • Multi-display, multi-card 2D/3D OpenGL and Microsoft DirectX acceleration
  • Easy-to-use Matrox PowerDesk driver interface
  • Widescreen resolution support and additional functionality via Matrox PowerRes
  • Matrox Clone to view a copy of one display on the other display
  • Matrox Multi-Display Zoom to view a portion of one display full-screen on the other display
  • Matrox PureVideo to view hardware-accelerated video playback in a video window on one display and full-screen on the other display
  • Matrox Glyph Anti-Aliasing for the hardware-accelerated smoothing of text edges
  • Global sales and technical support
  • 3-year warranty

* With Joined graphics card mode, a DualHead graphics card can only be joined with another DualHead graphics card to drive a maximum of four displays.
** TripleHead graphics cards are supported in DualHead mode only.
† Joined graphics card mode multi-display configurations can be obtained by downloading the Matrox PowerDesk-SE version 2.04 display driver and above.

Hardware included

  • Matrox Parhelia DL256 graphics card
  • DVI-to-HD15 connector adapter
  • TV-output adapter cable (composite video and S-video, 1-foot)
  • Stereo-3D connector bracket (mini DIN-3 connector)

Software included

  • Matrox display driver for Microsoft Windows NT 4.0, Windows 2000, and Windows XP*
  • Matrox PowerDesk (driver interface and utilities)

* Drivers for Windows Server 2003, Windows XP X64 (64-bit) and Windows Vista XDDM available online. For other possible operating systems, contact Matrox.

Maximum resolutions (per display)

  • Digital: 2560 x 1600
  • Analog: 2048 x 1536