Intel BLKDG43NB Product Specification - Page 21

Advanced Digital Display ADD2/MEC/ADD2+ Card, Support, 6.1.6, PCI Express x16 Graphics

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Product Description Table 4. DVI Port Status Conditions PCI Express x16 connector status No add-in card installed Non-video PCI Express x1 add-in card installed PCI Express x4, x8, or 16 add-in card installed ADD2 or MEC card installed DVI Digital (DIV-D) port status Enabled Enabled DVI Analog (DVI-A) port status(Note) Enabled Enabled Disabled Disabled Disabled Enabled Note: DVI analog output can also be converted to VGA via a DVI-VGA converter. See note below. NOTE DVI analog output can also be converted to VGA via a DVI-VGA converter. 1.6.1.5 Advanced Digital Display (ADD2/MEC/ADD2+) Card Support The GMCH routes two multiplexed SDVO ports that are each capable of driving up to a 400 MHz pixel clock to the PCI Express x16 connector. When an ADD2/MEC/ADD2+ card is detected, the Intel GMA X4500 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/ADD2+ card. An ADD2/MEC/ADD2+ 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 with DVI analog output only. ADD2/MEC/ADD2+ 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 header) 1.6.1.6 PCI Express x16 Graphics The GMCH also supports add in discrete graphics card via the PCI Express 2.0 graphics connector. • PCI Express 2.0 x16: ⎯ Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each direction (500 MB/s total). Maximum theoretical bandwidth on interface of 4 GB/s in each direction simultaneously, for an aggregate of 8 GB/s when operating in x16 mode. ⎯ Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each direction (1000 MB/s total). Maximum theoretical bandwidth on interface of 8 GB/s in each direction simultaneously, for an aggregate of 16 GB/s when operating in x16 mode. 21

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Product Description
21
Table 4.
DVI Port Status Conditions
PCI Express x16 connector status
DVI Digital (DIV-D)
port status
DVI Analog (DVI-A)
port status
(Note)
No add-in card installed
Enabled
Enabled
Non-video PCI Express x1 add-in card
installed
Enabled
Enabled
PCI Express x4, x8, or 16 add-in card
installed
Disabled
Disabled
ADD2 or MEC card installed
Disabled
Enabled
Note: DVI analog output can also be converted to VGA via a DVI-VGA converter. See note below.
±
NOTE
DVI analog output can also be converted to VGA via a DVI-VGA converter.
1.6.1.5
Advanced Digital Display (ADD2/MEC/ADD2+) Card
Support
The GMCH routes two multiplexed SDVO ports that are each capable of driving up to a
400 MHz pixel clock to the PCI Express x16 connector.
When an ADD2/MEC/ADD2+
card is detected, the Intel GMA X4500 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/ADD2+ card.
An ADD2/MEC/ADD2+ 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 with DVI analog output only.
ADD2/MEC/ADD2+ 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 header)
1.6.1.6
PCI Express x16 Graphics
The GMCH also supports add in discrete graphics card via the PCI Express 2.0 graphics
connector.
•
PCI Express 2.0 x16:
⎯
Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
direction (500 MB/s total). Maximum theoretical bandwidth on interface of
4 GB/s in each direction simultaneously, for an aggregate of 8 GB/s when
operating in x16 mode.
⎯
Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each
direction (1000 MB/s total). Maximum theoretical bandwidth on interface of
8 GB/s in each direction simultaneously, for an aggregate of 16 GB/s when
operating in x16 mode.