82G33 datasheet(31/437 Pages) INTEL

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Introduction

Datasheet

Capabilities of the SDVO and Analog Display interfaces include:

• SDVO Support

⎯ SDVO ports in either single modes supported

⎯ 3x3 Built In full panel scalar

⎯ 180 degree Hardware screen rotation

⎯ Multiplexed Digital Display Channels (Supported with ADD2/MEC)

⎯ Two channels multiplexed with PCI Express* Graphics port

⎯ 225 MHz dot clock on each 12-bit interface

⎯ Supports flat panels up to 1920 x 1200 @ 60 Hz or digital CRT/HDTV at

1400 x1050 @ 85 Hz

⎯ Supports Hot-Plug and Display

⎯ Supports TMDS transmitters or TV-out encoders

⎯ ADD2/Media Expansion card utilizes PCI Express Graphics x16 connector

• Analog Display Support

⎯ 350 MHz Integrated 24-bit RAMDAC

⎯ Up to 2048x1536 @ 75 Hz refresh

⎯ Hardware Color Cursor Support

⎯ DDC2B Compliant Interface

• Dual Independent Display options with digital display

1.3.7

(G)MCH Clocking

• Differential Host clock of 200/266/333 MHz (HCLKP/HCLKN). Supports transfer

rates of 800/1066/1333 MT/s.

• Internal and External Memory clocks of 333 MHz, 400 MHz, and 533 MHz

generated from one of two (G)MCH PLLs that use the Host clock as a reference.

• The PCI Express* PLL of 100 MHz Serial Reference Clock (GCLKP/GCLKN)

generates the PCI Express core clock of 250 MHz

• Display timings are generated from display PLLs that use a 96 MHz differential

non-spread spectrum clock as a reference. Display PLLs can also use the

SDVO_TVCLKIN[+/-] from an SDVO device as a reference.

• All of the above clocks are capable of tolerating Spread Spectrum clocking.

• Host, Memory, and PCI Express Graphics PLLs and all associated internal clocks

are disabled until PWROK is asserted.

1.3.8

Thermal Sensor

(G)MCH Thermal Sensor support includes:

• Catastrophic Trip Point support for emergency clock gating for the (G)MCH at

115 °C.

• Hot Trip Point support for SMI generation between 85 °C and 105 °C.

• The minimal temperature reported by (G)MCH is 66 °C

82G33 Datasheet(PDF) 31 Page - Intel Corporation

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