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D20 ME 
Quick Start Guide 

GE Power Systems 

 

Code Download – D20 ME - CCU 

Procedure:  
D20 ME - CCU 

The following steps demonstrate the serial download of a Flash code file to a 

CCU

 type of D20 ME module using the 68K Monitor. 

 

Step Action 

D20 ME - CCU Code Download 

 

Restart the D20 ME, again. 

 

As soon as messages display on the monitor, press the 

SPACEBAR

 

key within 5 seconds. 

Result:    A message displays, asking if you wish to abort the 

Flash boot. 

3   Type 

y

4   Press 

ENTER

. In the login dialog, type 

westronic 

and press

 

ENTER

then type 

rd

 and press 

ENTER

Result:  After a Welcome message, the D20MES> prompt 

displays. 

5   Type 

sp

 to suspend all processes running on the D20 ME. 

6   Type 

erase

 to clear the Flash. This will take several seconds. 

Result:  The monitor displays the messages below and then 

returns the D20MES> prompt: 

 

Erasing FLASH memory <   

 

\ Checking FLASH contents... \

 

Optional Step 1: To speed-up communication to shorten download time 

7   Type 

Baud 38400

 and press 

ENTER 

(speeds up to 230.4 Kbps, or 

lower speeds may be chosen based on ambient EMI, cable length, 
PC limits etc.) 

Result:  The communication speed of the 68K Monitor is set to 

38.4 Kbps. 

 

 

 994-0025-1.00-8 

General 

11 

 Full 

Release 

 

Summary of Contents for D20 ME

Page 1: ...g GE Power Systems D20 ME Quick Start Guide Document Number 994 0025 Version 1 00 Revision 8 Date 03 11 24 Classification General Full Release ...

Page 2: ...n purposes only Reproduction in whole or in part to create working hardware or software for other than General Electric Canada Inc products is strictly prohibited except as permitted by written license agreement with General Electric Canada Inc TRADEMARK NOTICES GE and gare trademarks and service marks of General Electric Company WESDAC is a registered trademark of General Electric Company General...

Page 3: ...E Power Systems D20 ME Quick Start Guide Contents Topic See Page D20 ME Jumper Options 4 Introduction to Downloading Flash Code 7 Code Download D20 ME D20 Base 9 Code Download D20 ME CCU 11 994 0025 1 00 8 General 3 Full Release ...

Page 4: ...e D20 ME Jumper Options D20 ME Board Layout This diagram shows the location of some of the optional jumpers and components found on the D20 ME cards Part 526 2004 and 526 2005 JP1 JP3 BootROM JP2 JP4 JP8 994 0025 1 00 8 General 4 Full Release ...

Page 5: ...OUT IN Multi Node For D20 or D200 Board Function JP1 Master Slave JP2 VME Address Bits 4 3 2 1 JP3 1 RTC SERCLOCK JP3 2 RTC BRTC Node 1 OUT IN IN IN OUT IN IN Node 2 IN IN IN OUT IN IN OUT Node 3 IN IN IN OUT OUT IN OUT Node 4 IN IN OUT IN IN IN OUT Node 5 IN IN OUT IN OUT IN OUT Node 6 IN IN OUT OUT IN IN OUT Node 7 IN IN OUT OUT OUT IN OUT Node 8 IN OUT IN IN IN IN OUT Notes Single Node is the f...

Page 6: ...ad node of a D200 both use an internal clock Non lead nodes of a D200 synchronize the clocks to the clock of the lead node Table JP4 Watchdog Enable Disable This two position jumper enables or disables the hardware Watchdog Note Never leave the Watchdog disabled during normal D20 ME operation Jumper Position Function pin 1 to 2 center Disables the hardware Watchdog JP4 Pin 1 SLOWCK Pin 3 WD pin 3 ...

Page 7: ...nstalled you need to determine the type of D20 ME module before downloading the Flash code Note The xx in the Label column is the software revision number Module Type BootROM Label D20 ME D20 Base SBU0000 xx D20 ME CCU SBU0001 xx Prerequisites for Code Download You need the following items to successfully load a Flash code file into a D20 ME module Windows PC with HyperTerminal or equivalent commu...

Page 8: ...ile For more information on upgrading from earlier versions refer to the D20 ME Processor Module Installation and Operations Guide Procedure Setup To set up the equipment for downloading code files to the D20 ME Step Action Configure and Connect PC to D20 ME 1 Connect a WESMAINT cable from the PC s COM port to the D20 ME s front panel WESMAINT serial port 2 Start Windows HyperTerminal communicatio...

Page 9: ...nfiguration file is overwritten with a default configuration The 68K Monitor is initiated 4 Press ENTER In the login dialog type westronic and press ENTER then type rd and press ENTER Result After a Welcome message the D20M prompt displays 5 Type sp to suspend all processes running on the D20 ME 6 Type erase to clear the Flash This will take several seconds Result Flash Erased is displayed when co...

Page 10: ...press ENTER to ready the D20 ME to receive the downloadable code file 11 Click Transfer Send Text File from menu bar Result A dialog box opens prompting you to locate the Down shx file that you wish to download 12 Select the correct file and click Open to start the transfer Result The file transfer may take from less than 10 minutes to over 30 minutes depending on the communication speed selected ...

Page 11: ...type westronic and press ENTER then type rd and press ENTER Result After a Welcome message the D20MES prompt displays 5 Type sp to suspend all processes running on the D20 ME 6 Type erase to clear the Flash This will take several seconds Result The monitor displays the messages below and then returns the D20MES prompt Erasing FLASH memory Checking FLASH contents Optional Step 1 To speed up communi...

Page 12: ... Code File 10 Type dl and press ENTER to ready the D20 ME to receive the downloadable code file 11 Click Transfer Send Text File from menu bar Result A dialog box opens prompting you to locate the Down shx file that you wish to download 12 Select the correct file and click Open to start the transfer Result The file transfer may take from less than 10 minutes to over 40 minutes depending on the com...

Page 13: ...cation code for each D20 ME module in a multi node system can be the same or different for one or more of the modules The download procedure is the same for a multi node system as for a single node repeat the procedure for each node Note Do not restart i e Boot the multi node system until you have finished downloading code to all the D20 ME cards 994 0025 1 00 8 General 13 Full Release ...

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