Multi-Tech Systems MT5634ZLXE-T, MT5634ZLX 2 COM Port and IRQ Conflicts, Windows 95/98

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MultiMobile User Guide

by the server. If the Frame type can not be accepted by the server, edit NET.CFG to change the Frame type at the client site, or add the Frame type which can be accepted at the server site.

COM Port and IRQ Conflicts

If you have isolated the problem to an IRQ or COM port conflict, refer to the following sections for resolving IRQ and COM port conflicts in Windows 3.1x, Windows 95, Windows 98, or WindowsNT.

Windows 3.1x

To look for COM port or IRQ conflicts in Windows 3.1x, select File Run in Program Manager, type MSD, and click Enter. Then select Mouse, COM Ports, and IRQ Status and note the addresses and IRQs that are in use. If you find an IRQ conflict, note which IRQs are not being used, then change one of the conflicting devices to use one of the unused IRQs. If you find an address conflict, change the address of one of the conflicting devices.

To change a port address or IRQ in Windows 3.1x, double-click the Control Panel icon, then the Ports icon. Click on the port you want to change, click Settings, click Advanced, and select the new port address and/or interrupt. If you wish to use COM3 or COM4, note that COM3 shares an IRQ with COM1, as does COM4 with COM2, so you should change their IRQs to unused ones, if possible.

Windows 95/98

Windows 95/98 provides a complete "Plug n' Play" System that will automatically recognize and configure most PC Cards.

As Multifunction PC Cards put a heavy demand on a system's resources, please resolve all system conflicts, errors, and Windows 95 issues before installing the MT5634ZLX/E.

Windows NT 3.51 and NT 4.0

Windows NT provides support for PC Card (PCMCIA) compatibile systems. Do not run any of the MT5634ZLX/E install programs as they are unnecessary for the NT environment. Multifunction PC Cards put a heavy demand on a system's resources. Please resolve all system conflicts, errors, and Windows NT issues before installing the MT5634ZLX/E.

Note: running Windows NT 4.0 with Service Pack 1 may cause some portable PCs to hang up on Shutdown or Restart. If this occurs, please update to Service Pack 3 (or higher).

Additional References

The World Wide Web is an excellent source of information about modems in general and modem installation, configuration, and troubleshooting in particular. The following Web sites are good places to start:

•Costmo’s Other Resources Page: http://modems.rosenet.net/or/

•Curt’s High Speed Modem Page: http://elaine.teleport.com/~curt/modems.html

•Data Communications FAQ: http://www.best.com/~malch/comfaq.html

•The PC Guide:

http://www.pcguide.com

•Multi-Tech Systems, Inc.: http://www.multitech.com/

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Contents Models MT5634ZLX/E and MT5634ZLX/E-T/2 User GuideUser Guide Revision DescriptionContents EMC, Safety and Terminal Directive Compliance IndexIntroduction and Description Introduction Product DescriptionMultiMobile User Guide Technical Specifications Features System Requirements MultiMobile User Guide Quick Start Safety Warning Telecom UnpackingMT5634ZLX/E Installation Installing Driver and Modem Software Windows 98 InstallationQuick Start MT5634ZLX/E Windows 95 Installation Click My Computer Control Panel and double-clickModems MT5634ZLX/E Installation in NT Windows NT 4.0 InstallationPre-installation Instructions Open My Computer Control Panel NetworkMT5634ZLX/E Modem configuration for NT Click Have Disk Quick Start MT5634ZLX/E Windows NT 3.51 Installation · TCP/IP Artisoft Lantastic 6.0 Installation Novell NetWare InstallationFor Non-Windows 95/98/NT Systems MS LAN Manager Installation PROTOCOL.INIPacket Driver Installation Windows for Workgroups 3.11 InstallationSelect Enhanced mode NDIS3 for.... then click OK Understanding AT Commands Using Windows 95/98/NT HyperTerminal ProgramBasic Modem Operation Dialing and Answering Techniques MT5634ZLX/E AT Commands, S-Registers and Result Codes How To Use AT Commands AT&K3H0EnterAT Commands, S-Registers, and Result Codes Basic AT Commands Speaker off during dialing and on until carrier present AT Commands, S-Registers, and Result Codes Remote digital loopback test, in normal mode MT5634ZLX/E Result Codes Terse Verbose DescriptionRegisters MT5634ZLX/E MT5634ZLX/E MT5634ZLX/E Remote Configuration Basic Procedure SetupChanging the Setup Password Remote Configuration Changing the Remote Escape CharacterMT5634ZLX/E Troubleshooting Modem Goes Off-Hook and Disables the Telephone Line Modem Does Not Auto-Answer the PhoneCharacters on the Screen Are Doubled Modem Loses the Connection When in Use Troubleshooting No Text Appears on the Screen in Data ModeNo Text Appears on the Screen When in Command Mode Communications Software Dials, but FailsModem Gets Random Errors in Transmitted Data ConnectSelect Properties Select Drivers in Properties Installing The Win 95 Driver Over SystemSoft CardWorksEnabling The MT5634ZLX/E Select Use Plug and PlayWindows 95/98 COM Port and IRQ ConflictsWindows Windows NT 3.51 and NTAppendices Appendix a Regulatory Compliance Class B Statement FCC PartIndustry Canada FCC Part 68 Telecom AppendicesFAX Branding Statement Canadian Limitations NoticeEMC, Safety and Terminal Directive Compliance Commission Decision CTR21New Zealand Telecom Warning Notice Troubleshooting Appendix B V.90 SupportIntroduction Appendix C Comprehensive Driver Notes Introduction Lmndisnif Drivername LMNDIS$NDIS2 Driver for Windows for Workgroups ODI Driver for Workgroups Appendix D Warranty, Service, and Technical Support Limited WarrantyOnline Warranty Registration If you know the file name Technical SupportMulti-Tech BBS If you don’t know the file nameAbout the MultiMobile SoftGSM Cellular Upgrade About the InternetAbout Ordering Accessories SupplyNet Online Ordering InstructionsAppendix E Uninstalling in Windows 98/95/NT Index IndexMultiMobileUSB User Guide
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