Supported Products:

• ATTO ExpressSAS H1208 GT
• ATTO ExpressSAS H1280 GT
• ATTO ExpressSAS H120F GT
• ATTO ExpressSAS H12F0 GT
• ATTO ExpressSAS H1244 GT

1. ATTO ConfigTool (Windows, Linux, macOS)
   1. Install the latest driver for the host adapter.
   2. Launch the ATTO ConfigTool.
   3. Expand the device list in the left pane until you see your adapter. Click on it.
   4. Click on the 'Flash' tab in the right pane.
   5. Click 'Browse' and select the flash bundle for your adapter.
   6. The 'Update' button is now available. Click it to update the adapter flash.
   7. Reboot for the new flash version to take effect.

2. ATTO vConfigTool (VMware)
   1. Install the latest driver for the host adapter.
   2. Navigate to ATTO vConfigTool in vSphere.
   3. Select 'ATTO Adapters' in the left pane.
   4. Select your adapter from the available list.
   5. Click on the 'Update Flash Bundle' action for this adapter.
   6. Click 'Browse' and select the flash bundle for your adapter.
   7. The 'Update' button is now available. Click it to update the adapter flash.
   8. Reboot your ESX-i host for the new flash version to take effect.

3. atflash CLI tool (All Operating Systems)
   1. Install the latest driver for the host adapter.
   2. Locate the atflash CLI tool installed/packaged with the driver.
   3. Run 'atflash -f [flash_bundle]' to update the flash.
   4. Reboot for the new flash version to take effect.