Motorola 660AV manual Two rail and tab sets at

Take Apart		Internal Chassis and Speaker - 31
		tabs at the front of the unit,
	Internal Chassis	two rail and tab sets at the
		sides of the unit, support
		posts at the back of the
		chassis, and hidden brackets
		that slide into the bottom
		cover.
		1 Press up on one of the
		front tabs while lifting
		the support post.
		2 Repeat this step on the
		other side until the
		internal chassis slides
		easily toward the back
		of the computer.
		3 Press down and slide the
		chassis toward the back