Western Digital My Book Thunderbolt Duo User Manual - Page 7

MY BOOK THUNDERBOLT DUO USER MANUAL Operating System Compatibility Your My Book Thunderbolt Duo dual-drive storage device and WD Drive Utilities software are compatible with the following Mac OS X 10.6.8 or later operating systems on Thunderbolt technology-enabled computers: • Snow Leopard™ • Lion Compatibility can vary, depending on hardware configuration and operating system. For highest performance and reliability, always install the latest software update. Go to the Apple menu and select Software Update. Disk Drive Formats Your My Book Thunderbolt Duo dual-drive storage device is initially formatted with HFS+J partitions and configured as a striped RAID disk array (RAID 0). In the RAID configurations, both drives are formatted with a single HFS+J partition for Mac OS X operating systems. In the JBOD configuration, each drive can be reformatted as either: • HFS+J for Mac computers • exFAT for running Windows operating systems on Mac computers Note: Older Windows operating systems might need a patch from Microsoft to recognize the exFAT format. (See http://support.microsoft.com/?kbid=955704.) Physical Description As shown in Figure 2, the My Book Thunderbolt Duo dual-drive storage device has: • A power/activity LED indicator on the front • The power connector, Thunderbolt ports, and a security slot on the back Thunderbolt Ports Kensington® Security Slot Power/Activity LED Power Connector Front View Figure 2. Front and Rear Views of Your My Book Thunderbolt Duo Dual-drive Storage Device Rear View ABOUT YOUR WD STORAGE DEVICE - 3