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D25 Software, Continued
D25 BootROM
BootROM software is stored in replaceable EPROM. The BootROM
contains:
• pSOS operating system software
• Device drivers to interface the pSOS with the system hardware and software
• Diagnostic tests required to verify the integrity of the D25
• The monitor interface for examining the system in a non-operational mode
• Startup code that verifies and initializes the application software
• A stand-alone system for low-level maintenance and troubleshooting.
− All of the code in the D25 BootROM is duplicated in the standard Base
application load. When the D25 is operating the BootROM applications, it
does not refer to the applications in the FLASH code, and vice versa.
Base
Applications
Standard D25 Base Applications that are present in every D25 are:
• WIN: the system database manager
• WESMAINT II+: allows an operator to examine and control data locally on the
D25 system
• 68K Monitor: low-level system maintenance and diagnostic tools
WIN
The WESDAC Interface Node (WIN) is the database manager for the D25’s
System Point Database.
The System Point Database is central to the D25 software system All data
flowing through the unit is stored in the WIN before passing on to its
destination.
WESMAINT
II+
The WESMAINT II+ is the D25’s primary maintenance and diagnostic tool.
WESMAINT can be accessed in three ways:
1. Via the serial port on the front of the D25
2. Through a modem or other serial connection to a programmed COM port
on the rear of the D25
3. Over a LAN or serial PPP connection, as a TELNET session from a
remote network station
See above: WESMAINT II+, Accessing WESMAINT II+ Using a Terminal.
Front Panel
LCD Software
Configuration
A D25 fitted with an LCD panel must be equipped with the Data Display
DTA (B062) application software to communicate with the panel.
Using SGConfig, specific D25 database input points are mapped into this
software.
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