GE 68K System Benutzerhandbuch

Seite von 112
GE Energy Services
68K System Monitor
User's Guide
SWM0023 1.00  2
General
3-34
Full Release
ERASE - Flash Erase
Platform
o
CPM
o
D20
D20 Base
þ
D20 ME
D20 Base
o
D20/200
CCU Base
þ
D20/200 ME
CCU Base
þ
D25
Description
Note:
this command is available only when executing from the BootROM.  This
will be indicated by the D25A>, or the D20MEA> prompts for the D25 or
D20ME-based systems, respectively.
Use this command to perform an erase of the Flash memory region, resetting all
bytes in Flash to 0xFF in preparation for application data download.
Syntax
Below is usage and syntax information for this command
Command Format
D25:                                         erase [/d /y]
D20 ME / CCUME:                 erase [/y]
Variables
None
Parameters
/d
= erase DSP Flash
/y
= disable the verification prompts
Example
Type erase and press 
ENTER
.
Results: If you confirm the erase prompt, the command erases
the Flash EPROM.
Special
Considerations
The command prompt will return if Flash is already clear when
the erase command is invoked.  Otherwise, the command
prompts the user to confirm the Flash erase.
If you enter any response other than “y”, the command aborts
the erase.
   
!
WARNING
Executing this command modifies RTU memory and will cause operational
disruption (specifically by destroying all Flash application code).
Do not use this command unless you are prepared to perform a code download
procedure.
Use caution before proceeding.