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NI-VXI Software Installation and Configuration
Bus Configuration
Table 3-2 describes the characteristics of the MXIbus System Controller option available under
the Bus Configuration menu.
Characteristic
MXIbus System
Controller
VME (Non-VXI) Device Configuration
To add or modify the address space and interrupt requirements for VME devices in your system,
select the Non-VXI Device Editor from the
number or typing in the editor name. The NI-VXI software needs information about the
attributes of the VME devices so that the Resource Manager can integrate them into the system.
You can use this editor to enter configuration information for numerous VME devices. For help
with the Non-VXI Device Editor, type
Manual for more information about this editor.
When you use
vxitedit
unique pseudo-logical address for each VME device. The pseudo-logical address can be any
value between 256 and 511 inclusive. We recommend that you start with 256 for your first
device, and then give each subsequent device the next higher number. Assigning pseudo-logical
addresses to your VME devices ensures that the Resource Manager program recognizes your
VME devices when it configures your interface hardware.
You also need to enter device names, manufacturer names, model names, and other identification
information for your VME devices. The
VME-MXI in the chassis. The default logical address is 1. A16 VME devices should be
configured to occupy memory below C000h in A16 space. Be sure to configure the
parameter to instruct the Resource Manager that this particular VME device is indeed installed in
your system.
VME-SB2020/NI-VXI/Solaris Getting Started
Table 3-2. Bus Configuration Characteristics
Description
A MXIbus link must have a single device that
is responsible for MXIbus interrupt and bus
arbitration as well as bus timeouts. This device
is referred to as the MXIbus System Controller
and is always the first device in the MXIbus
daisy-chain. The SB-MXI is always designated
as the MXIbus System Controller when used in
this kit and should not be changed.
0 = Not MXIbus System Controller
1 = MXIbus System Controller
vxitedit
. Refer also to the NI-VXI Text Utilities Reference
help
to configure your non-VXI (VME) devices, be sure to specify a
Frame
3-12
main menu by entering the option
field should contain the logical address of the
© National Instruments Corporation
Chapter 3
Default Value
1
InSystem
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