Introduction
16 Datasheet, Volume 1
• 64-bit downstream address format, but the processor never generates an address
above 64 GB (Bits 63:36 will always be zeros)
• 64-bit upstream address format, but the processor responds to upstream read
transactions to addresses above 64 GB (addresses where any of Bits 63:36 are
nonzero) with an Unsupported Request response. Upstream write transactions to
addresses above 64 GB will be dropped.
• Supports the following traffic types to or from the PCH
—DMI -> DRAM
— DMI -> processor core (Virtual Legacy Wires (VLWs), Resetwarn, or MSIs only)
— Processor core -> DMI
• APIC and MSI interrupt messaging support
— Message Signaled Interrupt (MSI and MSI-X) messages
• Downstream SMI, SCI and SERR error indication
• Legacy support for ISA regime protocol (PHOLD/PHOLDA) required for parallel port
DMA, floppy drive, and LPC bus masters
• DC coupling – no capacitors between the processor and the PCH
• Polarity inversion
• PCH end-to-end lane reversal across the link
• Supports Half Swing “low-power/low-voltage”
1.2.4 Platform Environment Control Interface (PECI)
The PECI is a one-wire interface that provides a communication channel between a
PECI client (the processor) and a PECI master. The processors support the PECI 3.0
Specification.
1.2.5 Processor Graphics
• The Processor Graphics contains a refresh of the sixth generation graphics core
enabling substantial gains in performance and lower power consumption. Up to 12
EU Support.
• Next Generation Intel Clear Video Technology HD support is a collection of video
playback and enhancement features that improve the end user’s viewing
experience.
— Encode/transcode HD content
— Playback of high definition content including Blu-ray Disc*
— Superior image quality with sharper, more colorful images
— Playback of Blu-ray disc S3D content using HDMI (V.1.4 with 3D)
• DirectX* Video Acceleration (DXVA) support for accelerating video processing
— Full AVC/VC1/MPEG2 HW Decode
• Advanced Scheduler 2.0, 1.0, XPDM support
• Windows* 7, XP, Windows Vista*, OSX, Linux OS Support
• DX10.1, DX10, DX9 support
•OGL 3.0 support
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