Intel Embedded Intel486 Hardware Reference Manual page 171

Peripheral Subsystem
Chapter Contents
7.1 Peripheral/Processor Bus Interface ....................................... 7-1
7.2 Basic Peripheral Subsystem ................................................7-17
7.3 I/O Cycles ...........................................................................7-29
7.4 Differences Between the Intel486™ DX Processor Family
and Intel386™ Processors...................................................7-33
7.5 Interfacing to x86 Peripherals .............................................7-34
7.6 Intel486™ Processor LAN Controller Interface .................7-38
7