Description:

Overview

This is a radical departure from the Model 80 Type 1 & 2 motherboard. It was built around the Intel 385 Cache Controller. It includes two Intel 8259A-2.

Documented parts

• IBM 23F3001
• IBM 57X4111
• IBM 72X8299 (I/O controller)
• IBM 90X8134 (DMA)
• Intel 8042AH (Keyboard Controller)
• Intel 82385 (32-bit Cache Controller for 80386)
• Motorola MC146818AP (Real-Time Clock + RAM) (known as: Motorola MC146818AC [Real-Time Clock + RAM], Motorola MC146818AL [Real-Time Clock + RAM], Motorola MC146818AF [Real-Time Clock + RAM], Motorola MC146818AFN [Real-Time Clock + RAM], Motorola MC146818AS [Real-Time Clock + RAM])
• VLSI VL82C114 (Combination I/O)