Name: My Book Essential Edition (Green Ring) (WDG1U)
I am guessing this is a newer revision than 0901, this one uses SATA bridge (0901 contains PATA bridge).
information from http://www.abclinuxu.cz/hardware/ukladani-dat/usb/disky/western-digital-my-book-essential-wdg1u5000e
model support page http://support.wd.com/product/install.asp?groupid=101
2014-06-29 14:21:17