---
name: "apio"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/apio"
---

# apio(4)

SBus Aurora pio1 driver

## NAME

**apio** – SBus Aurora pio1 driver

## SYNOPSIS

**apio\* at sbus?** **lpt\* at apio?**

## DESCRIPTION

The **apio** driver provides support for the Aurora Technologies pio1 parallel port interface, which is basically an [lpt(4)](/lpt/4.md) port with [sbus(4)](/sbus/4.md) glue logic.

## SEE ALSO

[intro(4)](/intro/4.md), [lpt(4)](/lpt/4.md), [sbus(4)](/sbus/4.md)

## HISTORY

OpenBSD support for **apio** was added in OpenBSD 3.1.

## AUTHORS

The driver was written by Jason Wright ⟨*jason@thought.net*⟩.

## BUGS

Only revision 210sj is known to work. Minor work may be necessary for other revisions of this card.