FELCOM 12
G3-9
7.2 CPU-2
The program for CPU-2 on the CPU board in the communication control unit is stored
in U26 (Flash ROM), and its updating is executed from the terminal unit. Updating the
program is made as follows;
Note) U26 stores the loader program and CPU-2 program. For the program updating,
the loader program loads the CPU-2 program .
1. Quit the terminal program.
- Press [F2] key while pressing [Alt] and [Fn] keys.
2. After a message "OK to Quit System Yes/No ?" has appeared,
- place the cursor on "Yes" and press [Enter] key.
Then, the prompt "A:\FELCOM12>" will appear.
3. Insert the floppy disk containing the program for CPU-2 into the FD drive.
4. Change to "B" drive by successively pressing keys,
- [B], [:], and [Enter].
Then, the prompt "B:\>" will appear.
5. Successively pressing keys,
- [U], [P], [F], [1], [2], and [Enter], will show the following message:
"About to update FELCOM12 CPU2 software. Press 'Y' to update the software to
165-0118-lxx. If you wish to cancel, Press 'N' key."
6. - Pressing [Y] key will show the following message:
"Loader Version 6.00 Erase wait: 0 sec Write wait: 0 Wait counter=100
TARGET power ON"
7. - Turning off once and on again the communication control unit will show the
following message:
"Execute STEP 1 Execute STEP 2 xxxxxx byte transfer Now Erasing xxx
percent completed"
Note) xxx will count from 000 to 100.
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