SiS 651

SiS 651( North Bridge Chipset ) -

Integrated VGA Solution for P4 with FSB 533

SiS651 IGUI Host Memory Controller integrates a high performance host interface for Intel Pentium 4 processor, a high performance 2D/3D Graphic Engine, a high performance memory controller, an AGP 4X interface, and SiS MuTIOL? Technology connecting w/ SiS962 MuTIOL? Media IO.

SiS651 Host Interface features the AGTL & AGTL+ compliant bus driver technology with integrated on-die termination to support Intel Pentium 4 series processors with FSB 533/400MHz. SiS651 provides a 12-level In-Order-Queue to support maximum outstanding transactions up to 12. It integrated a high performance 2D/3D Graphic Engine, Video Accelerator and Advanced Hardware Acceleration MPEGI/MPEGII Video Decoder for the Intel Pentium 4 series based PC systems. It also integrates a high performance 2.7GB/s DDR333 Memory controller to sustain the bandwidth demand from the integrated GUI or external AGP master, host processor, as well as the multi I/O masters. In addition to integrated GUI, SiS651 also can support external AGP slot with AGP 1X/2X/4X capability and Fast Write Transactions. A high bandwidth and mature SiS MuTIOL? technology is incorporated to connect SiS651 and SiS962 MuTIOL? Media I/O together. SiS MuTIOL technology is developed into three layers, the Multi-threaded I/O Link Layer delivering 1.2GB bandwidth to connect embedded DMA Master devices and external PCI masters to interface to Multi-threaded I/O Link layer, the Multi-threaded I/O Link Encoder/Decoder in SiS962 to transfer data w/ 533 MB/s bandwidth from/to Multi-threaded I/O Link layer to/from SiS651, and the Multi-threaded I/O Link Encoder/Decoder in SiS651 to transfer data w/ 533 MB/s from/to Multi-threaded I/O Link layer to/from SiS962.

PC2001 Compliance

High Performance Host Interface

- Support Intel Pentium 4 series CPU with data transfer rate of 533/ 400MHz

64 bit high performance DDR-266/333 Memory Controller

- Supports DDR333/DDR266/200 SDRAM or PC133/100 SDRAM

- Support Up to 2 un-buffer DIMM DDR333 or up to 3 un-buffered Double-sided DIMM DDR266/200

- Up to 1 GB per DIMM with max. memory size up to 3 GB

- Supports 16Mb, 64Mb, 128Mb, 256Mb, 512Mb SDRAM technology with page size from 2KB up to 16KB

- Sustains DDR SDRAM CAS Latency at options of 2, 2.5, & 3 clocks

- Programmable buffer strength optimizing performance and stability

- High performance unified memory controller optimizing the DRAM bus utilization

Integrated A.G.P. Compliant Target/66MHz Host-to-PCI Bridge

- AGP v2.0 Compliant

- Supports Additional AGP4X/2X interface and Fast Write Transaction

High throughout MuTIOL? Connect interfaced to SiS962 MuTIOL? Media I/O

- Bi-directional 16 bit data bus

- 1 GB/s performance in 133MHz x 4 mode

- Distributed arbitration strategy with enhanced mode of contiguous DMA data streaming

- Packet based, pipelining, and split transaction scheme

Dedicated Isochronous Response Queue

- Serves Isochronous downstream transfers responsive to the memory read requests originated from USB or audio/modem controllers

- Offers privilege service to guarantee minimum latency & timely delivery

High Performance & High Quality 3D Accelerator

- Built-in a high performance 256-bit 3D engine

- Built-in a high quality 3D engine

High Performance 2D Accelerator

Complete TV-OUT/Digital Flat Panel Solution

MPEG-2/1 Video Decoder

NAND Tree for Ball Connectivity Testing

702-Balls TEBGA Package

1.8V Core with Mixed 1.2V 1.5V 1.8V, 2.5V and 3.3V I/O CMOS Technology

 


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