OPTi 82C263 (SCNB Single Chip Notebook)

Description:

Overview

The information here is from a brochure that also covers the 82C463. No datasheet could be found. It is a 16-bit version of the 82C463, intended for 16bit 486SLCs (386sx bus) etc.

The OPTi SCNB 82C463 or 82C263 is the optimum single chip high performance solutions for the low power, portable computer market. They are designed to provide desktop type performance for a multitude of processors including 486SX, 486DX, 486DXZ, 486DX2, 486DLC and 386DX. Top of the line performance level allows outstanding bit-mapped windowing environments.

The 82C263 is a single chip solution for the 16 bit 486 market.

The SCNB consists of a single chip VLSI which includes: CPU, block mode DRAM, AT bus, VESA Local bus, and a state-of-the-art power management controller.

The OPTi power management options allows the OEMs maximum power savings in extremely flexible and effective power management options including SMI and sequencer approaches. The SCNB is the most advanced chip of its type in the market.

The OPTi chipset craftsmen, with their proven track record in high performance desktop AT chipsets are proud to offer the SCNB. A continuation of the OPTi tradition of excellence in PC chipsets.

Features:

  • Premium power management unit
    • 3v or 5v operation
    • Static mode processor support
    • Power management sequencer for 486/non SMI designs
    • VESA local bus support
    • Variable CPU frequencies
    • 3 operating modes: Normal, Sleep, Suspend
    • RAS before CAS and slow refresh DRAM controller
  • Full APM support
    • CPU idle back to full speed with no time
    • Modular CPU clocking to save more power
    • Extra software utility timer
  • OS and application independent power management (no device drivers needed)
  • 0 Volt suspend
  • Very low power, high speed, static 0.8u CMOS technology

Documented parts

Last updated 2019-04-30T00:00:00Z
drv No drivers available
doc No chipset documents available
chipdoc 1 chip document available
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