Chapter 6 NI-VXI Configuration Utility
PCI-MXI-2 for Linux 6-20 ni.com
Figure 6-8. VXI/VME-MXI-2 Configuration Editor
LA Selection and Logical Address
You can set or modify the logical address of the VXI/VME-MXI-2 either
within the VXI/VME-MXI-2 Configuration Editor itself or with the
onboard 8-position DIP switch. To select the configuration method you
prefer, use the LA Selection controls.
The default selection is the Switch option. Notice that the Logical Address
control is inaccessible, because it would have no effect. In this option you
need to change the hardware switch setting on the VXI/VME-MXI-2 itself
if you want to change the logical address.
If you select Software for this option, you can then use the Logical
Address control to select a logical address within the range of 1 to 254. If
you use this option, the hardware switch setting has no effect and you must
use the VXI/VME-MXI-2 Configuration Editor to change the logical
address.
Address Space and Requested Memory
The VXI/VME-MXI-2 requires at least 16KB of address space in A24
space or at least 64KB in A32 space. Use the Address Space control
toselect whether you want to use A24 space or A32 space. Use the