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85C471 Datasheet - Silicon Integrated Systems

85C471 single chip controller

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 controlle.

85C471 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 suppor

85C471 Datasheet (945.70 KB)

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Datasheet Details

Part number:

85C471

Manufacturer:

Silicon Integrated Systems

File Size:

945.70 KB

Description:

Single chip controller.

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