Description:

The OTI-021 System Controller has the following components/features:

• ISA bus controller
• DRAM controller
• System address buffer
• EMS mapper
• 2x 8237 DMA controllers w/ refresh and CPU cycle arbiter
• Clock and refresh cycle generator
• supports external 82385SX cache controller
• 160-pin QFP package built on 1.2-micron process