Rockwell Automation 6180 Industrial Computers - Manual (Page 159)

Touchscreen Drivers and Touchscreen Drivers and Touchscreen Drivers and Touchscreen Drivers and
Utilities
Utilities Utilities Utilities
This chapter describes how to set up and use touchscreen utilities.
The touchscreen controller and software installed in your system have
been changed since the release of the v2.0 Touchscreen System User’s
Guide. Be aware of the following differences in operation:
Allen-Bradley 6180 Industrial Computers typically use interrupt level 9
(IRQ9) for the touchscreen controller hardware. By traditional PC
convention, IRQ 9 is unused by system board hardware and therefore is
made available to ISA add-in cards. However, some recent system
boards, such as Intel’s SE440BX (Seattle) motherboard, automatically
reserve IRQ 9 for system board functions (such as power management).
Because of this, the touchscreen controller hardware in your computer,
as well as the touchscreen software drivers, have been changed to
support reconfiguration of the selected IRQ. This is sometimes referred
to as “interrupt steering”.
Newer versions of the touchscreen software will auto-detect the type of
system board installed in your computer. Based on the system board’s
interrupt requirements, the software will either:
•
leave the selected interrupt at the power on configuration (IRQ 9)
•
or “steer” the interrupt to some other unused IRQ level to avoid
resource conflicts.
The IRQ configuration conforms to the following table.
System Configuration System Board Type IRQ
6180-Axxxxxxxxxxxx Advanced/ML (Marl) 9
6180-Bxxxxxxxxxxxx Advanced/ML w/MMX
(Marl MMX) 9
6180-Cxxxxxxxxxxxx PD440FX (Portland) 9
6180-Dxxxxxxxxxxxx SE440BX (Seattle) 5
For computers without a touchscreen, no IRO is selected
The following versions of the touchscreen software support the
reconfigurable interrupt feature:
•
For Windows 95/98
—#
v2.2.2 or later
Chapter Chapter Chapter Chapter
14
Chapter Objective
Touchscreen IRQ
Configuration