Working With Flash Memory; Saving Rom Templates To Nvram - 3Com Courier Reference

6-4 C 6: W
HAPTER ORKING WITH MEMORY
Working with Flash
Memory
Saving RO
Templates to NVRAM
You can reset the voice/data switch at any time (See Appendix A
S-Registers for a complete list of S32 voice/data switch functions). Yo
can also overwrite the stored command string with a new one at any
time.
4 Now, you can press the voice/data switch whenever you want the stored
command string executed
Example: Issuin
that displays the link diagnostic screen to NVRAM. Then issuing the
command to your modem will allow you to display the link
ATS32=9
diagnostic screen whenever the voice/data switch is pressed.
The Courier V.Everything modem permanently stores three configuratio
"templates," or prepared sets of commands, in Flash memory. You can
use the &Fn command to load one of the three configuration templates
from Flash memory into current memory.
To load this configuration template into current memory Command
No flow control (low performance).
Hardware flow control.
Software flow control.
Example: Sending
Control Template into RAM Memory.
DIP switch settings override AT commands at power-on. You can set DIP
switch 10 to ON and reset the Couri e r V.Everything modem to load the
&F0 settings.
All of the settings in each template are given in Appendix C, Flow Control
Templates.
For more information about hardware and software flow control, See
Chapter 12, Flow Control.
To save one of the three ROM templates to NVRAM and have it serve as
the reset default, enter
to your modem stores the command string
AT&ZC=I6
to your modem will load the Hardware Flow
AT&F1
n
AT&F &W
AT&F0
AT&F1
AT&F2