WOODWARD 5466-061 Servo drive

The ENV command allows you to interactively view and configure all Bug operational parameters that are kept in Battery Backed Up RAM (BBRAM), also known as Non-Volatile RAM (NVRAM). The operational parameters are saved in NVRAM and used whenever power is lost. Any time the Bug uses a parameter from NVRAM, the NVRAM contents are first tested by checksum to insure the integrity of the NVRAM contents. In the instance of BBRAM checksum failure, certain default values are assumed as stated below. The bug operational parameters (which are kept in NVRAM) are not initialized automatically on power-up/warm reset. It is up to the Bug user to invoke the ENV command. Once the ENV command is invoked and executed without error, Bug default and/or user modified parameters are loaded into NVRAM along with checksum data. The operational parameters that have been modified will not be in effect until a reset/power-up condition.

If the ENV command is invoked with no options on the command line

you are prompted to configure all operational parameters. If the ENV command is invoked with the option D, ROM defaults will be loaded into NVRAM.Use both the Global Control and Status Register (GCSR) in the VMEchip2, and the Multiprocessor Control Register (MPCR) in shared RAM, methods to pass and start execution of cross-loaded program.Negate VMEbus SYSFAIL after successful completion or entrance into the bug command monitor.This is the time in seconds that the Auto Boot sequence will delay before starting the boot. The purpose for the delay is to allow you the option of stopping the boot by use of the Break key. The time value is from 0 through 255 seconds.You may specify a string (filename) which is passed on to the code being booted. Maximum length is 16 characters. Default is the null string.

ROMboot is attempted at powerup only. 

ROM Boot Enable search of VMEbus [Y/N] N VMEbus address space will not be accessed by ROMboot. ROM Boot Abort Delay 0 This is the time in seconds that the ROMboot sequence will delay before starting the boot. The purpose for the delay is to allow you the option of stopping the boot by use of the Break key. The time value is from 0 through 255 seconds. ROM Boot Direct Starting Address FF800000 First location tested when the Bug searches for a ROMboot Module. ROM Boot Direct Ending Address FFBFFFFC Last location tested when the Bug searches for a ROMboot Module. Network Auto Boot Enable [Y/N] N Network Auto Boot function is disabled. Network Auto Boot at power-up only [Y/N] Y Network Auto Boot is attempted at power-up reset only

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