US Robotics Mobile Communications Corp. Customer Support Dept. ================================================================ MHZWIN95 Driver Installation Purpose ------- Use this document when you re-install your Megahertz PC Card in Windows 95. You may have made a previous, unsuccessful attempt to install your PC card and its Megahertz drivers in Windows 95. This document provides you with the steps to Getting Started, to Remove The Device, to Delete The Previous Drivers, to Re-install and to set default for 10 Base 2 coaxial cable (if required for your network). Instructions for setting up a Client for Netware is also included. Supplies -------- - Megahertz User's Reference Guide - MHZWIN95.EXE extracted on a disk - Windows 95 Installation Disks or Windows 95 setup files that exist on the hard drive. - Windows 95 Documentation Getting Started ---------------- This is the first set of steps. Follow them to get started. 1. Turn on your computer. Let Windows 95 boot completely. 2. Insert your Megahertz PC Card in a PCMCIA slot. 3. Click Start: Settings: Control Panel. 4. Double Click System. 5. When System Properties opens, choose Device Manager. Remove The Device ----------------- Here are the steps you need to remove the Megahertz PC Card from your Windows 95 environment. 1. Double click on the following hardware catagories if they exist, highlight references to your Megahertz PC card, and click on Remove: * Multi-function adapters * Modem * Network adapters * Other devices Do not restart your system at this point (You may be prompted to do so). Some areas may not allow you to Remove references to the card. When done, all references to the Megehertz PC Card should be gone from all hardware catagories. 2. Physically remove your PC card from the PCMCIA slot and leave it out until instructed to reinsert it again. 3. Close System Properties and Control Panel. Delete The Previous Drivers --------------------------- You must remove the drivers that were previously installed. Follow these steps to delete them. 1. Click Start: Programs: MS-DOS Prompt. 2. Change to the C:\WINDOWS\INF sub-directory and delete the following files: DRVDATA.BIN DRVIDX.BIN MDMMHZ.INF MFMHZ.INF NETMHZ.INF OEM?.INF SMEG*.INF 3. If you have an Ethernet Adapter, then change to C:\WINDOWS\SYSTEM directory to delete MHZC92.VXD and MHZCC.VXD, if they exist. 4. Type EXIT to return to your Windows 95 Desktop. 5. Close all applications and Shut Down. 6. If your machine does not turn power to itself off, do so when prompted. To Re-Install ------------- Follow these steps to reinstall your Megahertz PC Card. 1. Restart your computer and allow it to boot completely. 2. Once the DeskTop is open and the computer is stable, insert your PC card into the desired slot. 3. Allow Windows 95 to recognize your PC Card. 4. Insert the disk containing the extracted MHZWIN95.EXE if prompted for a "Disk provided by hardware manufacturer." 5. Windows 95 will copy the appropriate files and may prompt you for Windows 95 disks. These may also be found in the c:\windows\options\cabs directory on your hard drive. Follow any steps prompted on the screen. Restart your computer, if you are prompted to do so, with your network cable attached to the card. Known Limitations ----------------- There are presently no known limitations when using a Megahertz PC Card Data/ Fax Modem with Windows 95. PC Card Ethernet and Ethernet*Modem Limitations A. Hot swapping (removing the card without Stopping it) while connected to a network may cause Windows 95 to lock up. To prevent Windows 95 from locking, stop the PC Card before removing it. This will log you out of the network. You must reinsert the PC Card and log into the network to begin accessing network resources again. To stop the card, double click on the PC Card icon on your task bar. The PC Card (PCMCIA) Properties dialog will be displayed. Click on the PC Card you wish to remove and click on the Stop button. Windows will then notify you that it is safe to remove the PC Card from your computer. B. These drivers have not yet been certified by Microsoft. C. These drivers will not support promiscuous mode. D. Some earlier versions of the LAN-T and LAN-2 PC Card Ethernet Adapter may not be automatically recognized by Windows 95. They must be manually installed by using the Add New Hardware applet in the Windows 95 Control Panel. To manually install a LAN-T or LAN-2 PC Card Ethernet Adapter, perform the following steps: a. Open the Windows 95 Control Panel and select the Add New Hardware applet. Click Next. b. When prompted to have Windows 95 search for new hardware, select No and then click Next. c. From the list of hardware items, select Network Adapters and click Next. d. In the Select Device dialog box, click Have Disk. Make sure the Megahertz MHZWIN95 driver diskette in inserted in the computer. Select A:\ as the source and click OK. e. Select LAN-T from the list of Megahertz Network Adapters - even if you have a LAN-2 - and click OK. Windows 95 will install the necessary software. If you have a LAN-2, you will need to change the media type to 10-Base-2 as outlined in the section below. Is your connection 10 Base 2? ----------------------------- If you are using 10 Base 2, AUI or thin coaxial cable then you must change the default setting in your network configuration. Follow these steps to do this. 1. Go to Start: Settings: Control Panel: Network. 2. Choose Megahertz Adapter. 3. Click Properties: Advanced. 4. Click on the Connector Type Property, select "Thin Coax (10BASE2)" for the Value, and click on OK. 5. You will be prompted to restart. Click on Yes. Are you connecting to a Netware server? --------------------------------------- Follow these instructions if you require a connection to a Novell server. 1. Go to Start: Settings: Control Panel: Network 2. Change the Primary Network Login to "Client for Netware Networks" and click on OK 3. You will be prompted to restart. Click on Yes. ---------------------------------------------------------------- Copyright 1996 US Robotics Mobile Communications Corp. All other product names are trademarks or registered trademarks of their respective holders.