Instructions for upgrading a IBM PCMCIA 28.8 International Modem to 33.6 on IBM OS/2 or Windows 3.1 operating system. o NOTE: When upgraded to 33.6 firmware the International modem should be used with the 33.6 country selector software. o Expand ( unzip) file OS2UG336 BE SURE to type OS2UG336 -d to expand the sub-directories. o Upgrading is a three step operation: - Upgrading your modem with the 33.6Kbps firmware - removing the IBM PCMCIA 28.8 International Modem country selector from your system. - Installing the 33.6 country selector on your system. ______________________________________________________ 1) Upgrading your modem to 33.6 Kbps o Insert modem in PCMCIA socket o For OS/2 system, open system setup in the system folder. Double click on Plug-and-Play icon to find the com port your modem is assigned to, record the com port number. o Go to DOS, change to the directory where you downloaded the upgrade. o Execute "firmware" program, (type firmware and press enter). o Follow instructions on screen. when requested, type in the port number you recorded. o Modem will be upgraded to 33.6Kbps and set to U.S.A. country. o Later you can use the 33.6 country selector to set the modem to your country of choice. _____________________________________________________ 2) Removing the IBM 28.8 modem country selector from your system o You can use the 28.8 Country selector diskette to uninstall the 28.8 country selector. Or uninstall using standard OS/2 or Windows 3.1 procedures. o Note: New 33.6 country selector will work correctly if you do not remove the 28.8 country selector. ________________________________________________________ 3) Installing the 33.6 country selector for OS/2 o Remove and Insert modem in PCMCIA socket o Change to the directory you down loaded the upgrade. o Type "install" and press enter. o Follow the instructions to install the country selector for OS/2 o You can verify the upgrade using a terminal program by typing ati3 enter the modem will return 7852-P01 V4.0 ________________________________________________________ 3b) Installing the 33.6 country selector for Windows 3.1 o Remove and Insert modem in PCMCIA socket o Change to the directory you down loaded the upgrade. o Type "setup" and press enter. o Follow the instructions to install the country selector. o You can verify the upgrade using a terminal program by typing ati3 enter the modem will return 7852-P01 V4.0 OS/2 is a registered trademark of IBM Windows 3.1 is a trademarks or registered trademark of Microsoft Corporation.