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OPOS Releases

Significant Dates and Releases

1994/08 Initial concept meeting.  
1995/01 First technical meeting.  
1995/06 First public demonstration at Retail Systems '95.  
1995/12 OPOS 1.0  
1996/03 OPOS 1.01 (Superceded 1.0.)
1996/04 OPOS 1.1
  • New device category: POS Keyboard.
  • Significant enhancements: POS Printer.
1997/06 OPOS 1.2
  • New device categories: Cash Changer, Tone Indicator.
  • Significant enhancements: POS Keyboard.
1998/03 OPOS 1.3
  • New device categories: Bump Bar, Fiscal Printer, PIN Pad, Remote Order Display.
  • Significant enhancements: Scale.
  • All: Added support for power reporting.
1998/10 OPOS 1.4 (602 KB)
  • New device category: CAT (Credit Authorization Terminal).
2000/09 OPOS 1.5 (1.0 MB)
  • New device categories: Point Card Reader/Writer, POS Power.
  • Significant enhancements: POS Printer, Cash Changer.
2001/07 OPOS 1.6 (1.1 MB)
OPOS 1.6 (PDF) (2.1 MB)
  • Enhancements: Fiscal Printer, Line Display.
    Beginning with the 1.7 release, only the UnifiedPOS document is released. Separate OPOS and JavaPOS documents are no longer maintained. See the UnifiedPOS page.

Downloadable Files and Additional Information

Some of the older OPOS documentation releases are available by clicking on the links above.

For further details, see:

  • Microsoft's site. Search for retail industry information: here.
  • The web sites of participating OPOS vendors.
Last updated: 2009-12-31


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