Apple released an update, versioned 7.5.1, a few days ago for its Fall 2009 Time Capsule and AirPort Extreme. Time Machine is Mac OS X’s built-in backup utility that makes incremental backups of the important documents on the Mac. Hard Drive. You can use a directly connected USB drive, a Time Capsule, or an AirPort Extreme with a USB drive attached. This update is for the latter two combinations and is announced as follows:
About Time Capsule and AirPort Extreme Base Station Firmware Update 7.5.1
This update provides several fixes for the latest Time Capsule and AirPort Extreme Base Station (Late 2009) including:
- An issue with wireless performance in the 5GHz band
- An issue with creating a Guest Network in the 5GHz band
For detailed information on Firmware Updates 7.5.1, including how to install the update, please visit All about Time Capsule, AirPort Extreme, and AirPort Express base station firmware updates
It is recommended that AirPort Utility 5.5.1 or later be installed before updating to Firmware version 7.5.1.
Note: This firmware update is for late 2009 AirPort Extreme and Time Capsule only.