http://www.ntcompatible.com/index.php Last 20 items on NT Compatible Esselbach Storyteller CMS System http://www.ntcompatible.com/BackUPS_Pro_500_c3082.html This product has been tested on the following operating systems: Windows 2000 and has a average rating of 5<br /><br />The last rating (5) has been submitted on 2000-04-01 12:00:00 by Anonymous running Windows 2000:<br />Box says Win98 only but works flawlessly in 2000. http://www.ntcompatible.com/APC_Backup-UPS_Pro_350_c2994.html This product has been tested on the following operating systems: Windows 2000 and has a average rating of 5<br /><br />The last rating (5) has been submitted on 2000-02-01 12:00:00 by Anonymous running Windows 2000:<br />Although the carton says Win<br>98 only, Win2k recognizes this USB UPS system immediately, and adds<br>native support for automatic shutdown with alarm limits, etc. Can<br>monitor the Battery's charge time, all from the Power Control Panel, no<br>additional software needed.