simple 8086-based microcomputer

basic 8086 system timing

detailed SDK-86 board

SDK-86 complete schematics

address decoders

interrupts

8254

8259A

8255A

8279

8237 and 8272A

8251A

RS-232C

	RS-232C connectors
	TTL to RS-232C signal conversion
	RS-232C pin names

memory

including controllers

minimal 8086 system

displaying contents of CX register

IBM PC motherboard

credits