Workstation 4 Setup Guide 4-9
Workstation 4 Diagnostics
Workstation 4 Diagnostics Utility
GR1.2 Features
• Support for the Revision I System Board COM 3 Muxtiplexer.
• Support for the Rear and Pole LCD based customer display.
• Updated 3M Touchware Calibration Utility that fixes the 25-point
calibration issue reported in FB04-003.
Figure 4-2: The System Information Screen (Software Platform GR 1.0)
UWS4.DLL
This file contains the Workstation 4 API, or Application Programming
Interface. POS Applications use the API to access hardware such as the Cash
Drawers, Mag Stripe Reader, and IDN Interface. The GR 1.2 platform updates
uws4.dll with many new features to support the graphics based LCD customer
display.
UWS4Power.DLL
This driver controls the power button while WinCE is running. It polls the
system board CPLD every 150 milliseconds checking for switch closures and
transitions the workstation between the various supported power management
states. In addition, applications such as the CAL call on this driver to force a
restart of the workstation during upgrade cycles. When the unit is in the
NOPOWER or SUSPEND modes, the CPLD controls the power button.
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