IOAPIC(4)             OpenBSD Programmer's Manual (AMD64)            IOAPIC(4)

NAME
     ioapic - I/O Advanced Programmable Interrupt Controller

SYNOPSIS
     ioapic0 at mainbus0

DESCRIPTION
     ioapic is an I/O Advanced Programmable Interrupt Controller (APIC).  It
     provides interrupt management for systems with multiple I/O subsystems
     and can distribute interrupts across multiple processors.

SEE ALSO
     intro(4)

STANDARDS
     ioapic is based on Intel's 82093AA I/O Advanced Programmable Interrupt
     Controller (I/O APIC) specification.

HISTORY
     The ioapic driver first appeared in OpenBSD 3.5.

AUTHORS
     The ioapic driver was written by Bill Sommerfield.

OpenBSD 4.7                      May 31, 2007                                1
