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SiS85C471 - single chip controller

Key Features

  • to allow a system, through the control of BIOS, to reduce the CPU clock frequency from 50MHz down to 0 MHz(STOP CLOCK) when the system is idle. To support the SL-Enchanced 486, M6/M7, P24D/P24T/P24C's Am486DXL/DXL2 STPCLK/SMI features, the SiS85C471 also implements the corresponding logics to support STPCLK /SMI for power saving. The SiS85C471 supports the VL-Bus.

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Datasheet Details

Part number SiS85C471
Manufacturer Silicon Integrated Systems
File Size 945.70 KB
Description single chip controller
Datasheet download datasheet SiS85C471 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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85C471 Green PC ISA-VESA Single Chip 1. 85C471 OVERVIEW 1.1 Introduction The SiS85C471 single chip controller supports Intel's 80486DX2/DX/SX/SL Enhanced, P24D/P24T/P24C CPU, Cyrix's Cx486S2 (M6/M7) CPU and AMD's Am486DXL/DXL2 CPU. The SiS85C471 is a high performance, 100% PC/AT compatible single chip controller, designed for cached/non-cached P24D/P24T/P24C, M6/M7 or 486 PC systems. The high integration of the powerful cache controller, the DRAM controller, the CPU interfaces, the bus controller, the data buffers and the peripheral controllers provides an easy and economical solution for compact board manufacturing.