Intel DQ35MP Product Specification - Page 20

Dynamic Video Memory Technology DVMT, 6.1.3, Configuration Modes, 6.1.4, Advanced Digital

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Intel Desktop Board DQ35MP Technical Product Specification • Display ⎯ Supports analog displays up to 2048 x 1536 at 75 Hz refresh (QXGA) ⎯ Dual independent display support ⎯ DDC2B compliant interface with Advanced Digital Display 2 card or Media Expansion Card (ADD2/MEC), support for TV-out/TV-in and DVI digital display connections 1.6.1.2 Dynamic Video Memory Technology (DVMT) DVMT enables enhanced graphics and memory performance through highly efficient memory utilization. DVMT ensures the most efficient use of available system memory for maximum 2-D/3-D graphics performance. Up to 287 MB of system memory can be allocated to DVMT on systems that have 512 MB or more of total system memory installed. DVMT returns system memory back to the operating system when the additional system memory is no longer required by the graphics subsystem. DVMT will always use a minimal fixed portion of system physical memory (as set in the BIOS Setup program) for compatibility with legacy applications. An example of this would be when using VGA graphics under DOS. Once loaded, the operating system and graphics drivers allocate additional system memory to the graphics buffer as needed for performing graphics functions. NOTE The use of DVMT requires operating system driver support. 1.6.1.3 Configuration Modes The video modes supported by this board are based on the Extended Display Identification Data (EDID) modes of the monitor to which the system is connected. Standard monitors are assumed. 1.6.1.4 Advanced Digital Display (ADD2/MEC) Card Support The GMCH routes two multiplexed SDVO ports that are each capable of driving up to a 225 MHz pixel clock to the PCI Express x16 connector. When an ADD2/MEC card is detected, the Intel GMA 3100 graphics controller is enabled and the PCI Express x16 connector is configured for SDVO mode. SDVO mode enables the SDVO ports to be accessed by the ADD2/MEC card. An ADD2/MEC card can either be configured to support simultaneous display or can be configured to support dual independent display as an extended desktop configuration with different color depths and resolutions. ADD2/MEC cards can be designed to support the following configurations: • Low Voltage Differential Signaling (LVDS) • Single device operating in dual channel mode • HDTV output • HDMI support (when used with the HD Audio Link) 20

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Intel Desktop Board DQ35MP Technical Product Specification
20
•
Display
⎯
Supports analog displays up to 2048 x 1536 at 75 Hz refresh (QXGA)
⎯
Dual independent display support
⎯
DDC2B compliant interface with Advanced Digital Display 2 card or Media
Expansion Card (ADD2/MEC), support for TV-out/TV-in and DVI digital display
connections
1.6.1.2
Dynamic Video Memory Technology (DVMT)
DVMT enables enhanced graphics and memory performance through highly efficient
memory utilization.
DVMT ensures the most efficient use of available system memory
for maximum 2-D/3-D graphics performance.
Up to 287 MB of system memory can be
allocated to DVMT on systems that have 512 MB or more of total system memory
installed.
DVMT returns system memory back to the operating system when the
additional system memory is no longer required by the graphics subsystem.
DVMT will always use a minimal fixed portion of system physical memory (as set in the
BIOS Setup program) for compatibility with legacy applications.
An example of this
would be when using VGA graphics under DOS.
Once loaded, the operating system
and graphics drivers allocate additional system memory to the graphics buffer as
needed for performing graphics functions.
±
NOTE
The use of DVMT requires operating system driver support.
1.6.1.3
Configuration Modes
The video modes supported by this board are based on the Extended Display
Identification Data (EDID) modes of the monitor to which the system is connected.
Standard monitors are assumed.
1.6.1.4
Advanced Digital Display (ADD2/MEC) Card Support
The GMCH routes two multiplexed SDVO ports that are each capable of driving up to a
225 MHz pixel clock to the PCI Express x16 connector.
When an ADD2/MEC card is
detected, the Intel GMA 3100 graphics controller is enabled and the PCI Express x16
connector is configured for SDVO mode.
SDVO mode enables the SDVO ports to be
accessed by the ADD2/MEC card.
An ADD2/MEC card can either be configured to
support simultaneous display or can be configured to support dual independent display
as an extended desktop configuration with different color depths and resolutions.
ADD2/MEC cards can be designed to support the following configurations:
•
Low Voltage Differential Signaling (LVDS)
•
Single device operating in dual channel mode
•
HDTV output
•
HDMI support (when used with the HD Audio Link)