Multibus-International

Model: SBC486/125, SBC486/150

Manufactured by: Intel Corporation

• SBC486/150 CPU Board

• IntelDX2 CPU operating at 50MHz

• SBC486/125 CPU Board

• 486 CPU operating at 25MHz

• On-chip FPU and 8KB cache with 0 Wait-State

• 82258 ADMA with 16 Byte “Blast” Mode

• One SBX connector

• LBX II Interface

• Full 32-bit Multibus II Parallel System Bus Interface

• 2 32-pin JEDEC sites pre-configured with full MSA firmware in two 27020 EPROMs

• 82530 Serial Communications Control and 2 RS232 Ports

• SBC CSM/002 Connector On-Board

The SBC486/150 contains a 486 microprocessor operating at 50MHz; the SBC486/125 contains a 486 microprocessor operating at 25MHz.  Both boards offer an immediate performance boost for current Multibus II designs, since their feature set is compatible with earlier Intel Multibus II Single Board Computers.  These CPU boards provide two serial ports based on Intel’s 82530 Serial Communications Controller, and one SBX connector, capable of supporting a  single- or double-wide, 8- or 16- bit SBX board.  An SBC CSM/002 connector provides an on-board CSM option.  The 82258 ADMA coprocessor provides 4 DMA channels.

Alternate Part Numbers: SBC486125 and SBC486150

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