Epson EL 3S/33 Controllers, Interfaces, Parallel, Game, Clock, Video, Serial, Monitor, calendar, Diskette, Keyboard, Hard disk

Clock/	Real-time clock, calendar, and CMOS
calendar	RAM socketed on main system board with
	built-in battery backup

Controllers

Video	Trident VGA controller on main system
	board; provides resolutions up to
	1024 x 768 in 16 colors
Diskette	Controller on main system board supports
	up to two diskette drives
Hard disk	Interface on main system board supports
	up to two IDE hard disk drives with
	built-in controllers

Interfaces

Monitor	VGA interface built into system board;
	15-pin, D-shell connector
Parallel	One standard 8-bit parallel, uni-directional
	interface built into main system board;
	25-pin, D-shell connector
Serial	Two RS-232C, programmable,
	asynchronous interfaces built into main
	system board; 9-pin, D-shell connectors
Game	One 15-pin, D-shell connector
Keyboard	PS/2 compatible keyboard interface built
	into main system board; num lock setting
	selectable through SETUP; 6-pin, mini DIN
	connector

A-2 Specifications