Name: Intel DQ77MK
Brand: Intel
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Intel Desktop Board DQ77MK Technical Product Specification

1.5 Intel

Q77 Express Chipset

Intel Q77 Express Chipset with Intel Flexible Display Interconnect (Intel FDI) and

Direct Media Interface (DMI) interconnect provides interfaces to the processor and the

display, USB, SATA, LPC, LAN, and PCI Express interfaces. The Intel Q77 Express

Chipset is a centralized controller for the board’s I/O paths.

For information about Refer to

The Intel Q77 chipset

http://www.intel.com/products/desktop/chipsets/index.htm

Resources used by the chipset Chapter 2

1.5.1 Direct Media Interface (DMI)

Direct Media Interface (DMI) is the chip-to-chip connection between the processor and

PCH. This high-speed interface integrates advanced priority-based servicing allowing

for concurrent traffic and true isochronous transfer capabilities.

1.5.2 Display Interfaces

Display is divided between the processor and the PCH. The processor houses the

memory interface, display planes, and pipes while the PCH has transcoder and display

interface or ports.

The PCH receives the display data over Intel FDI and transcodes the data as per the

display technology protocol and sends the data through the display interface.

1.5.2.1 Intel

Flexible Display Interconnect (Intel

FDI)

Intel FDI connects the display engine in the processor with the display interfaces on

the PCH. The display data from the frame buffer is processed in the display engine of

the processor and sent to the PCH over the Intel FDI where it is transcoded as per the

display protocol and driven to the display monitor.

1.5.2.2 Digital Visual Interface (DVI-D)

The DVI-D port supports only digital DVI displays. The maximum supported resolution

is 1920 x 1200 at 60 Hz refresh (WUXGA). The DVI-D port is compliant with the

DVI 1.0 specification.

1.5.2.3 Digital Visual Interface (DVI-I)

The DVI-I port supports both digital and analog DVI displays. The maximum supported

resolution is 1920 x 1200 at 60 Hz refresh (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 4.

Intel DQ77MK User Manual

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