The Director 6.x Getting Started Guide has instructions for creating a USB flash drive in order to upgrade a Director appliance to version 6.x. These instructions require access to a Linux OS or installing Cygwin on a Windows-based machine.
This article provides an alternative method for creating the USB flash drive in Windows, without needing Cygwin or access to Linux.
IMPORTANT: The utility linked in this article is a third-party utility and is not supported by Blue Coat. These instructions are provided for convenience only. Any time a disk imaging utility is used, there is a risk of data loss if you choose the incorrect target device.