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 SP2 or later
  - Microsoft Windows Vista Home Premium SP2 or later
  - Microsoft Windows Vista Business SP2 or later
  - Microsoft Windows Vista Ultimate SP2 or later
  - Microsoft Windows Vista Enterprise SP2 or later
  - Microsoft Windows 7 Home Premium x32 Edition/x64 Edition
  - Microsoft Windows 7 Professional x32 Edition/x64 Edition
  - Microsoft Windows 7 Ultimate x32 Edition/x64 Edition
  
  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 (equal to USB 1.1) 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 Adaptec models:
  - AVA-2915LP (PCI bus - Adaptec)
  - AVA-2930LP (PCI bus - Adaptec)
  - REX-CB31 (Card bus - RATOC)
  
• An ISIS-compatible application or a TWAIN-compatible application that is compatible with the above operating systems.