Pro Audio Support

Q:
My H2 is not mounting on my Macintosh with MAC OS X 10.5.x Leopard.
 
A:
The Zoom H2 will not mount as a USB Drive on MAC OS X 10.5.x Leopard unless you update to H2 Firmware version 1.2 or higher.
You may download the latest H2 firmware and read the installation instructions at Zoom's web site.

http://www.zoom.co.jp/english/download/software/h2.php