Scanning speeds are lower if your computer's USB interface is not compatible with Hi-Speed USB 2.0. Use a computer that is equipped with USB that is compatible with Hi-Speed USB 2.0 as standard.

The following system requirements must be met to use this scanner:

• One of the following operating systems
  - Microsoft Windows 2000 Professional SP4 or later
  - Microsoft Windows XP Professional SP3 or later
  - Microsoft Windows XP Home Edition SP3 or later
  - Microsoft Windows XP Professional x64 Edition SP2 or later
  - Microsoft Windows Vista Home Basic, Home Premium, Business, Ultimate or Enterprise SP1 or later (32- and 64-bit versions)
  
• A computer that meets the following specifications:
  - CPU: Celeron M (1.4 GHz or faster)
  - Memory: 512 MB or more
  - Hard disk: 1 GB or more available space
  - Interface: USB port present as standard equipment on the computer (Hi-Speed USB 2.0) or SCSI expansion card
  - Monitor: Resolution of 1024 x 768 (XGA) or better
  
• When using a SCSI expansion card, select one of the following recommended models:
  - AVA-2915LP (Adaptec)
  - AVA-2930LP (Adaptec)
  - REX-CB31 (Ratoc Systems)
  
• An ISIS-compatible application or a TWAIN-compatible application that is compatible with the above operating systems.