Intel ® Flexible Display Interface; Intel Flexible Display Interface (Intel Fdi); Display Pipes; Display Ports - Intel BX80623I32100 Datasheet

2.4.2.1.4 Video Graphics Array (VGA)
VGA is used for boot, safe mode, legacy games, etc. It can be changed by an
application without OS/driver notification, due to legacy requirements.
2.4.2.2

Display Pipes

The display pipe blends and synchronizes pixel data received from one or more display
planes and adds the timing of the display output device upon which the image is
displayed. This is clocked by the Display Reference clock inputs.
The display pipes A and B operate independently of each other at the rate of 1 pixel per
clock. They can attach to any of the display ports. Each pipe sends display data to the
PCH over the Intel Flexible Display Interface (Intel FDI).
2.4.2.3

Display Ports

The display ports consist of output logic and pins that transmit the display data to the
associated encoding logic and send the data to the display device (that is, LVDS,
HDMI*, DVI, SDVO, and so on). All display interfaces connecting external displays are
now repartitioned and driven from the PCH.
®
2.4.3 Intel
The Intel Flexible Display Interface (Intel
traffic from the Processor Graphics controller to the PCH display I/Os. Intel
supports two independent channels—one for pipe A and one for pipe B.
• Each channel has four transmit (Tx) differential pairs used for transporting pixel
and framing data from the display engine.
• Each channel has one single-ended LineSync and one FrameSync input (1-V CMOS
signaling).
• One display interrupt line input (1-V CMOS signaling).
®
• Intel
bandwidth requirements.
• Common 100-MHz reference clock.
• Each channel transports at a rate of 2.7 Gbps.
• PCH supports end-to-end lane reversal across both channels (no reversal support
required in the processor).
2.4.4

Multi-Graphics Controller Multi-Monitor Support

The processor supports simultaneous use of the Processor Graphics Controller (GT) and
a x16 PCI Express Graphics (PEG) device.
The processor supports a maximum of 2 displays connected to the PEG card in parallel
with up to 2 displays connected to the PCH.
Note: When supporting Multi Graphics controllers Multi-Monitors, "drag and drop" between
monitors and the 2x8 PEG is not supported.
32
Flexible Display Interface (Intel
FDI may dynamically scalable down to 2X or 1X based on actual display
®
FDI)
®
FDI) is a proprietary link for carrying display
Interfaces
®
FDI
Datasheet, Volume 1