IOAPIC(4) | Device Drivers Manual (i386) | 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.

May 31, 2007 | Debian