VLSI VL82C486 (Single-Chip 486)
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VLSI VL82C486 (SC486 Controller)
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Overview

Single Chip version of VL82C486 Chipset that does not use either VL82C144 or VL82C425 Chips

  • Entry for the C486/C114 non-cached version here.
  • Entry for the C486/C425/C114 cached version here.

The VL82C486 is a Single-Chip High Performance Controller for 486- and 486SX/487SX- based PC/AT systems. It supports 64MB RAM.

The VL82C486 includes the dual 82C37A DMA controllers, dual 82C59A programmable interrupt controllers, 82C54 programmable interval timer, 82284 clock and ready gener- ator, 82288 bus controller and the logic for address/data bus control, memory control, shutdown, refresh generation and refresh/DMA arbitration.

Last updated 2024-12-22T20:17:22Z
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