ATTO products are not currently supported with the new Apple Silicon M1 MacBook and Mac Mini platforms. We are developing a set of universal drivers that will support both Intel and Apple Silicon Macs and hope to release them in the near future. Stay tuned for updates from ATTO on when the new drivers will arrive.

macOS driver for Celerity Fibre Channel host adapters. Download this file to your Mac and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the host adapters. It can be used from a remote system or locally via a terminal application and uses ASCII commands typed while in CLI mode.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: https://developer.apple.com/library/archive/technotes/tn2459/_index.html

Users upgrading from the 2017_12_13 firmware to the latest version should first update to the flash bundle dated 2018_01_30 before updating to the current firmware. Users may identify their current flash version by using the ATTO Config Tool or the ATTO CLI Tools.

macOS Flash Bundle file for Celerity Fibre Channel host adapters. Download this file to your Mac and use the latest version of the ATTO ConfigTool to install the firmware file to the host adapter.