8259A

8259A definition - computer

Known as a Programmable Interrupt Controller, it is the interrupt controller chip used in a PC. It is superseded by the 82489DX chip. See IRQ and PIC.



Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY
All other reproduction is strictly prohibited without permission from the publisher.
Copyright © 1981-2009 by Computer Language Company Inc. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.