AT motherboard
AT motherboard
(Advanced Technology motherboard) A motherboard that follows the same design and 12x13" form factor that was in the original IBM AT. It was superseded by the Baby AT. See Baby AT motherboard and PC motherboards.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.