Intel DH57DD Product Specification - Page 19

PCI Express x16 Graphics - no video

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Product Description 1.7.1.3 Digital Visual Interface (DVI-I) The DVI-I port supports both digital and analog DVI displays. The maximum supported resolution is 1900 x 1200 (WUXGA). The DVI port is compliant with the DVI 1.0 specification. DVI analog output can also be converted to VGA using a DVI-VGA converter. Depending on the type of add-in card installed in the PCI Express x16 connector, the DVI port will behave as described in Table 5. Table 5. 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 x16 add-in card installed DVI Digital (DVI-D) Port Status Enabled Enabled DVI Analog (DVI-A) Port Status(Note) Enabled Enabled Disabled Disabled Note: DVI analog output can also be converted to VGA with a DVI-VGA converter. 1.7.1.3.1 Analog Display (VGA) The VGA port supports analog displays. The maximum supported resolution is 2048 x 1536 (QXGA). The VGA port is enabled for POST whenever a monitor is attached, regardless of the HDMI and DVI-I connector status. 1.7.2 PCI Express x16 Graphics The Intel Core i7, Intel Core i5, Intel Core i3, Intel Pentium processors, and Intel Xeon processor 3400 series processors in an LGA1156 socket support discrete add in graphics cards via the PCI Express 2.0 x16 graphics connector: • Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each direction (500 MB/s) per lane. Maximum theoretical bandwidth on interface is 8 GB/s in each direction, simultaneously, when operating in x16 mode. • Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each direction (250 MB/s) per lane. Maximum theoretical bandwidth on interface is 4 GB/s in each direction, simultaneously, when operating in x16 mode. 1.8 USB The board supports up to fourteen USB 2.0 ports through two EHCI host controllers on the PCH that allow the use of EHCI-compatible drivers. The port arrangement is as follows: • Six ports are implemented with stacked back panel connectors • Eight front panel ports are implemented with four dual-port internal headers 19

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Product Description
19
1.7.1.3
Digital Visual Interface (DVI-I)
The DVI-I port supports both digital and analog DVI displays.
The maximum
supported resolution is 1900 x 1200 (WUXGA).
The DVI port is compliant with the
DVI 1.0 specification.
DVI analog output can also be converted to VGA using a
DVI-VGA converter.
Depending on the type of add-in card installed in the PCI Express x16 connector, the
DVI port will behave as described in Table 5.
Table 5.
DVI Port Status Conditions
PCI Express x16 Connector Status
DVI Digital (DVI-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 x16 add-in card installed
Disabled
Disabled
Note: DVI analog output can also be converted to VGA with a DVI-VGA converter.
1.7.1.3.1
Analog Display (VGA)
The VGA port supports analog displays.
The maximum supported resolution is 2048 x
1536 (QXGA).
The VGA port is enabled for POST whenever a monitor is attached, regardless of the
HDMI and DVI-I connector status.
1.7.2
PCI Express x16 Graphics
The Intel Core i7, Intel Core i5, Intel Core i3, Intel Pentium processors, and Intel Xeon
processor 3400 series processors in an LGA1156 socket support discrete add in
graphics cards via the PCI Express 2.0 x16 graphics connector:
•
Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each
direction (500 MB/s) per lane.
Maximum theoretical bandwidth on interface is
8 GB/s in each direction, simultaneously, when operating in x16 mode.
•
Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
direction (250 MB/s) per lane.
Maximum theoretical bandwidth on interface is
4 GB/s in each direction, simultaneously, when operating in x16 mode.
1.8
USB
The board supports up to fourteen USB 2.0 ports through two EHCI host controllers on
the PCH that allow the use of EHCI-compatible drivers.
The port arrangement is as follows:
•
Six ports are implemented with stacked back panel connectors
•
Eight front panel ports are implemented with four dual-port internal headers