KONGSBERG RMP420 Communication module

After the boot software has been executed, control is transferred to the BIOS modules of VMEPROM to perform all the necessary hardware initialization of the CPU. The real-time kernel is started and the user interface of VMEPROM is invoked as the first task. The real-time clock (RTC) of the CPU board is read and the software clock of the kernel initialized. Terminal connection If a terminal is connected to the front-panel serial I/O port 1, the powerup sequence will be terminated by displaying the following two messages • the VMEPROM banner • and the VMEPROM prompt: VMEPROM is then ready to accept commands.

In case of no messages

 If the above messages do not appear, check the following: 1. Check the terminal for the setting of the baud rate and the character format. For the default port setup, see the installation section of this manual. 2. Check the cable connection between the CPU board and the terminal. 3. Check the power supply. For the power consumption of the CPU board, see table 1 “Specifications” on page 10.

Front Panel Related VMEPROM Features

 8.2.1 Reset Key Activating the reset key on the front panel causes • all programs to terminate immediately • and the processor and all I/O devices to be reset. Caution Loss of data and user program When the VMEPROM kernel is started, it overwrites the first word in the user memory after the task control block with an exit system call (XEXT). If breakpoints are defined and a user program is running when the reset key is activated, the user program will possibly be destroyed. While a program is running, only activate the reset key as a last resort when all other actions (such as pressing ^C twice or aborting the program) have failed.

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