... port Operating system: Windows 98/SE, Windows ME, 2000, XP and Mac OS9.1 Drivers: Only Windows 98/SE needs ... Operating Humidity: 20% - 90% Storage Humidity: 20% - 93% Supports boot-up: USB-ZIP and USB-HDD Additional service for promotional USBs ... functions as customers requests, such as: preload data , autorun start, encryption disk, encryption files, hide and lock files/data, hidden/locked partition ...