68K System Monitor

User's Guide

GE Energy Services

RTB - Return To BootROM

Platform

Description

o CPM o D20

o D20 ME

o D20/200

o D20/200 ME

þ D25

D20 Base

D20 Base

CCU Base

CCU Base

 

Use this command to place the device in System Service Mode. When you issue the command, the system stops executing out of the FLASH region, and it activates the BootROM operating system.

The primary use of this mode is for the downloading of FLASH application software to the RTU.

Syntax

Below is usage and syntax information for this command

 

 

 

 

 

 

 

 

Command Format

rtb

 

 

 

 

 

 

 

 

Variables

None

 

 

 

 

 

 

 

 

Parameters

None

 

 

 

 

 

 

 

 

Example

At the monitor prompt, type rtb and press ENTER.

 

 

 

 

Results: The system returns to BootROM operation mode.

 

 

 

 

 

 

 

 

Special

The system halts and deletes all applications currently

 

 

 

Considerations

executing on the RTU when it activates the BootROM

 

 

 

 

operating system.

 

 

 

 

 

 

 

 

 

 

 

General

SWM0023-1.00 -2

Full Release

3-61

 

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GE 68K System manual RTB Return To BootROM