---
name: "ata_is_40wire"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/ata_is_40wire"
---

# ata\_is\_40wire(9)

check drive side detection

## NAME

ata\_is\_40wire - check drive side detection

## SYNOPSIS

**int ata\_is\_40wire(struct ata\_device \*** *dev***);**

## ARGUMENTS

*dev*

device

## DESCRIPTION

Perform drive side detection decoding, allowing for device vendors who can't follow the documentation.

## AUTHOR

**Jeff Garzik**

Author.

## COPYRIGHT