National Instruments MXI Series Getting Started page 45

© National Instruments Corporation
user-configured half of the EEPROM becomes corrupted in such a way that
the VXI-MXI-2 boots to an unusable state.
The Change Factory Configuration switch (switch 3 of U35) lets you
change the factory-default configuration settings by permitting writes to the
factory settings section of the EEPROM. This switch serves as a safety
measure and should not be needed under normal circumstances. When this
switch is off (its default setting) the factory configuration of the EEPROM
is protected, so any writes to the factory area will be ignored. The factory
area is protected regardless of the setting of switch 4 of U35.
Figure 3-10 shows the configuration settings for EEPROM operation.
The settings of switches 1 and 2 have no effect on EEPROM configuration.
Restore Factory Configuration
Change Factory Configuration
Automatic MXIbus Termination
a. Boot from User Configuration (Factory Configuration Protected) (Default)
Restore Factory Configuration
Change Factory Configuration
Automatic MXIbus Termination
b. Boot from Factory Configuration (Factory Configuration Protected)
Restore Factory Configuration
Change Factory Configuration
Automatic MXIbus Termination
c. Boot from User Configuration (Factory Configuration Unprotected)
Restore Factory Configuration
Change Factory Configuration
Automatic MXIbus Termination
d. Boot from Factory Configuration (Factory Configuration Unprotected)
Chapter 3 VXI-MXI-2 Configuration and Installation
Terminate MXIbus
Terminate MXIbus
Terminate MXIbus
Terminate MXIbus
Figure 3-10. EEPROM Operation
3-15
U35
No Yes
No Yes
Yes No
Yes No
U35
No Yes
No Yes
Yes No
Yes No
U35
No Yes
No Yes
Yes No
Yes No
U35
No Yes
No Yes
Yes No
Yes No
PCI-MXI-2 for Linux