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Appendix C – Flash Wizard
MT5634ZLX, MT5634ZLXI, MT5634ZLX/FE User Guide 38
Step 6: Document and Clear Your Stored Parameters
Before you flash your modem it is important that you send the AT&W1Z command to it to clear out any
stored parameters. You should also record the parameters that are currently stored in your modem so
you can reprogram it after flashing.
1. Run your favorite terminal program.
2. In the program’s terminal window, type
AT&V and press Enter 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. Press Enter to clear your stored parameters and reset your modem to factory default.
5. Close the terminal program.
Step 7: Upgrade the Modem’s Firmware
CAUTION: 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 (Windows NT Only):
• Click Start | Settings | Control Panel, then double-click Services. Select Remote
Access Server
and click Startup.... Select Manual as the Start Up Type and click OK.
• If you are using a Fax service in NT, change its Start Up Type to Manual.
Upgrading the Modem’s Firmware Using the Flash Wizard
1. Use Windows Explorer to copy the new .Hex file (which you downloaded from the Multi-Tech web
site) to the folder in which the Flash Wizard program was installed.
2. Click
Start | Programs | Flash Wizard to start the firmware update process. The program begins by
identifying devices attached to your computer.
3. The Wizard displays a list of installed devices able to be flashed with the update. You may update
more than one device in a single procedure. Select the device(s) you’d like to update and click
Next>
to continue.
4. Next, the
Firmware Update Wizard displays current firmware version information. The top portion of the
window provides port, version and country identification for the firmware currently installed on your
device(s). The Hex File list box displays the firmware versions available for updating your modem.
a. If your modem’s firmware version number matches or is higher than the version number listed in
the Hex File list, click
Cancel to end the update process.
b. If your modem’s firmware version number is lower than the firmware version shown in the Hex
File list, continue with the update process.
Select the port for the device you are updating. Use
the list box to select the latest .Hex file version number for your country and click
Next>.
5. The Firmware Update Wizard displays a progress indicator and begins updating your device(s) with the
new firmware version. When the Wizard finishes the update, the progress indicator status changes to
Programming Complete. Click
Next> to complete the update.
6. When the update completes, the
Firmware Update Wizard displays indicating the device has been
successfully updated. Click
Finish> to close the Wizard.
7. You must restart your computer to make the firmware changes effective for your modem.
Step 8: Restore Your Parameters
Your modem has been updated. You can now open your terminal program to reprogram your modem
parameters or to confirm the update by typing
ATi in a terminal window.