Chapter 3
NI-VXI Software Installation and Configuration
© National Instruments Corporation
3-15
VXI-AT2000/NI-VXI MS-DOS Getting Started
Table 3-3 describes the characteristics of the options available under the Device Configuration
menu.
Table 3-3. Device Configuration Characteristics
Characteristic
Description
Default Value
Slave Mode Timeout
This field gives the maximum amount of time a
slave access to the VXI Shared RAM may hold
the PC bus. The units are in hundreds of
nanoseconds.
125
(12.5
µ
s)
Master Mode
Timeout
This field gives the maximum amount of time a
master access from the PC to the MXIbus may
wait until it has to be retried. The units are in
hundreds of nanoseconds.
50
(5.0
µ
s)
System Controller
Timeout
This field gives the maximum amount of time a
master access from the PC to the MXIbus may
be allowed to continue without being
terminated as a bus error. The units are in
hundreds of microseconds.
Note: If the MXIbus System Controller field
in the Bus Configuration Editor is set to NO,
this field is ignored.
10
(1.0 ms)
Exiting VXIEDIT and Reinitializing the Hardware
Select Exit or press the <Esc> key to quit the
VXIEDIT
program. If you changed any of the
software configuration information,
VXIEDIT
prompts you to save your changes before exiting
the configuration menu. Saving the configuration information updates the configuration files
VXILA.CFG
,
VXIBUS.CFG
,
VXIDEV.CFG
, and
DVXI.CFG
. Run
VXIINIT.EXE
to
reinitialize the hardware according to the new settings.
If you changed any of the software configuration settings from the default, record the new setting
on the VXI-AT2000 Hardware and Software Configuration Form in Appendix C.
