OS Compatibility

Mac 10.3
No
Mac 10.4
Yes

10.4.11 and above only.

Mac 10.5
No
Mac 10.6
Yes

Support is currently only for the 32-bit kernel on 10.6 (Snow Leopard).

Mac 10.7
Yes
Windows Vista
No
Windows Vista64
No
Windows 7
Yes

Support is currently only available on Windows 7 when using the Windows Legacy FireWire driver, as explained at: http://www.focusrite.com/answerbase/en/article.php?id=1030

Windows 7 - 64bit
Yes

Support is currently only available on Windows 7 when using the Windows Legacy FireWire driver, as explained at: http://www.focusrite.com/answerbase/en/article.php?id=1030

Windows XP
Yes

Service Pack 2 and above only.

Windows XP64
Yes

Service Pack 2 and above only.

Windows 8
No
Windows 8.1
No
Windows 10
No