Chapter 1
Introduction and Quick Start
©
National Instruments Corporation
1-13
Table 1-6.
VME-MXI-2 Hardware Default Settings
Hardware Component
Default Setting
A16 Base Address (U20)
Hex C040
VME-MXI-2 Intermodule
Signaling (W2)
No user-defined pin selected
MXIbus Termination
(U21 switches 3 and 4)
Automatic MXIbus termination:
switch 3 OFF; switch 4 ignored.
Configuration EEPROM
(U21 switches 1 and 2)
User-modifiable; factory settings
protected: both switches OFF.
DRAM SIMMs Installed
Per customer order
SIMM Size Configuration (S2)
OFF if SIMMS are 4 M
×
32 or
larger; ON if smaller than 4 M
×
32.
Table 1-7.
VXI/VME-MXI-2 Configuration Editor Default Settings
Editor Field
Default Setting
Logical Address
1 (set by hardware switch)
LA Selection
Set by hardware switch
Address Space
A24 *
Requested Memory
16 KB *
A16 Write Posting
Disabled
A24/A32 Write Posting
Disabled
Interlocked Mode
Disabled
VXI/VME System Controller
Auto
VXI/VME Bus Timeout Value
125
µ
s
VXI/VME Auto Retry
Disabled
VXI/VME Transfer Limit
256
VXI/VME Arbiter Type
Priority
VXI/VME Request Level
3
VXI/VME Fair Request
Enabled