Appendix C – Upgrading your Modem
Multi-Tech Systems, Inc. MT9234ZPX User Guide
57
Step
3:
Download
the
Upgrade
File
1. If you are not already at the MultiModem Firmware page of the Multi-Tech Web site, follow the procedure in
“Step 2: Identify the Current Firmware.”
2. Download the upgrade file for your modem by clicking its name, and save the file in a temporary folder on
your hard disk.
3. In the same section of the Web page, download the Flash Wizard utility by clicking it, and save it in the
same folder. Alternately, install the Flash wizard from the MultiModem compact disc.
Step
4:
Extract
the
Upgrade
Files
1. Install the Flash Wizard utility by double-clicking the Flash Wizard file name in Windows Explorer.
2. Extract the upgrade files by double-clicking the file name. The extracted files include a .HEX file, which
contains the upgrade data, and a Readme file.
3. Copy the upgrade .HEX file into the Flash Wizard folder, which, in a default installation, is at C:\Program
Files\MultiTech Systems\Flash Wizard\.
Step
5:
Document
and
Clear
Your
Stored
Paramenters
Before you flash your modem, you should record the parameters that are currently stored in it so you can
reprogram it after flashing. After you have recorded them, send the
AT&W1Z
command to the the modem to clear
the stored parameters.
1. Run your favorite terminal program.
2. In the program’s terminal window, type
AT&V
and press E
NTER
to list your modem’s current parameters.
3. Record your parameters by saving the screens and sending them to your printer.
4. Type
AT&W1Z
and press E
NTER
to clear your stored parameters and reset your modem to factory default.
5. Close the terminal program.
Step
6:
Upgrade
the
Modem’s
Firmware
Before you begin the following procedure, read the README.TXT file extracted from the upgrade archive file. Note
the file name for the new firmware (example: ARQG125A.HEX). Also, if you are using Windows NT, you must
disable Windows RAS and Microsoft Fax Service before upgrading the modem’s firmware. To disable RAS and
your Fax service, Click
Start
|
Settings
|
Control Panel
, and then double-click
Services
. Select
Remote Access
Server
, and then click
the
Startup
button.
Select
Manual
as the startup type, and then click
OK
. Do the same for
any fax service. Close any other programs that might be accessing the modem’s Com Port.
WARNING:
Never install an older version of firmware over a newer version. Doing this WILL DESTROY THE
FLASH PROM! If the flash PROM is destroyed, the modem must be sent in for repair.
1. Run Flash Wizard by double-clicking its icon or file name, or by selecting it from the Start menu. The
program begins by identifying devices attached to your computer.
2. Select the modem to be upgraded, and then click
Next
to proceed.
3. Select the port to be upgraded from the
Port
list, select the appropriate .HEX file from the
Hex File
list, and
then click
Next
to continue.
Note:
Do not use FLASHLDR.HEX. This file is used internally by Flash Wizard.
4. The
Progress
dialog box now displays the progress of the upgrade.
Caution:
Any disruption of the program during this stage of the upgrade can cause your modem to become
inoperable. Wait for the
Next
button to become active before proceeding.
5. When the flash upgrade is complete, the message
Programming Complete
appears. Click
Next
to
continue.
6. The
Results
dialog box appears next. Click
Finish
to exit Flash Wizard.
Note:
If you are using Windows NT, be certain to enable RAS and your fax service when the operating system
restarts.
Step
7:
Restore
Your
Parameters
Your modem has been upgrade. You can now open your terminal program to reprogram your modem parameters
or to confirm the upgrade by typing
ATI
in the terminal window and pressing E
NTER
.
