There is a new Buffalo iSCSI Hard Disk Connection Tool for all Buffalo iSCSI devices.
Just save the Attachment from the end of the page.
Release notes included to the archive file.
Name iSCSI Hard Disk Connection tool Version Ver.1.31 OS Windows 2000/XP/Vista/7 English Windows only! Model TeraStation IS Series (iSCSI HDD)
[Software description] This software is TeraStation IS Series (iSCSI HDD) utility. This tool allow to connect/disconnect TeraStation IS volume. You can also open TeraStation IS web setting screen and change IP address.
[How to use this software] 1. Double click the file you have downloaded to extract it. 2. Execute iscsitool_ins.exe to install iSCSI HDD Connection Tool.