Intel DH55HC Intel Desktop Board DH55HC Technical Product Specification - Page 18

Graphics Subsystem - video card

Page 18 highlights

Intel Desktop Board DH55HC Technical Product Specification 1.7 Graphics Subsystem The board supports system graphics through either Intel Graphics Technology or a PCI Express 2.0 x16 add-in graphics card. 1.7.1 Integrated Graphics The board supports integrated graphics through the Intel® Flexible Display Interface (FDI) for processors with Intel Graphics Technology. NOTE The Intel Desktop Board DH55TC supports connectivity of up to three monitors through its diverse integrated graphics ports, however only up to two monitors can be simultaneously enabled. Environments not supported by the graphics driver (i.e., POST) can only support dual-screen display in mirrored mode, as long as one monitor is connected to the analog (VGA) port. The following table lists supported mirrored output under environments not supported by the graphics driver. + + + + Output from POST VGA DVI-D HDMI x x x x x Dual-screen display support by the supplied Windows graphics drivers allows mirrored or extended-desktop configurations using any of the three monitor interfaces. 1.7.1.1 Analog Display (VGA) The VGA port supports analog displays. The maximum supported resolution is 2048 x 1536 (QXGA) at a 75 Hz refresh rate. The VGA port is enabled for POST whenever a monitor is attached, regardless of the HDMI and DVI-D connector status. 1.7.1.2 High-Definition Multimedia Interface* (HDMI*) The HDMI port supports standard, enhanced, or high-definition video, plus multichannel digital audio on a single cable. It is compatible with all ATSC and DVB HDTV standards and supports 8-channel digital audio. The maximum supported resolution is 1920 x 1200 at 60 Hz refresh (WUXGA).The HDMI port is compliant with the HDMI 1.3 specification. The HDMI port is enabled for POST whenever a monitor is attached, regardless of the VGA and DVI-D connector status. 18

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Intel Desktop Board DH55HC Technical Product Specification
18
1.7
Graphics Subsystem
The board supports system graphics through either Intel Graphics Technology or a PCI
Express 2.0 x16 add-in graphics card.
1.7.1
Integrated Graphics
The board supports integrated graphics through the Intel
®
Flexible Display Interface
(FDI) for processors with Intel Graphics Technology.
NOTE
The Intel Desktop Board DH55TC supports connectivity of up to three monitors
through its diverse integrated graphics ports, however only up to two monitors can be
simultaneously enabled.
Environments not supported by the graphics driver (i.e.,
POST) can only support dual-screen display in mirrored mode, as long as one monitor
is connected to the analog (VGA) port.
The following table lists supported mirrored
output under environments not supported by the graphics driver.
Output from POST
VGA
DVI-D
HDMI
<VGA> + <DVI-D>
x
x
<DVI-D> + <HDMI>
x
<VGA> + <DVI-D> +
<HDMI>
x
x
Dual-screen display support by the supplied Windows graphics drivers allows mirrored
or extended-desktop configurations using any of the three monitor interfaces.
1.7.1.1
Analog Display (VGA)
The VGA port supports analog displays.
The maximum supported resolution is 2048 x
1536 (QXGA) at a 75 Hz refresh rate.
The VGA port is enabled for POST whenever a monitor is attached, regardless of the
HDMI and DVI-D connector status.
1.7.1.2
High-Definition Multimedia Interface* (HDMI*)
The HDMI port supports standard, enhanced, or high-definition video, plus multi-
channel digital audio on a single cable.
It is compatible with all ATSC and DVB HDTV
standards and supports 8-channel digital audio.
The maximum supported resolution is
1920 x 1200 at 60 Hz refresh (WUXGA).The HDMI port is compliant with the HDMI 1.3
specification.
The HDMI port is enabled for POST whenever a monitor is attached, regardless of the
VGA and DVI-D connector status.