Linmodem-HOWTO

Sean Walbran sean(at)walbran.org and Marvin Stodolsky stodolsk(at)erols.com

1. Introduction

• 1.1 Copyright
• 1.2 Disclaimer
• 1.3 Credits
• 1.4 Updates and Corrections

2. Linmodems

• 2.1 What is a Linmodem?
• 2.2 Which Linmodem hardware is supported?
• 2.3 How can I find out if my GeeWhiz 9.8.7 Modem / Laptop has one of these chipsets?

3. General Setup and Kernel Module Issues

• 3.1 Kernel Module Support
• 3.2 Sound Support
• 3.3 ISA Plug-n-Play
• 3.4 PCI Modems
• 3.5 Module tools

4. Tips and Tricks for Precompiled Modules with different Kernel Versions

• 4.1 Fixscripting
• 4.2 Patching tty.h
• 4.3 Using a ppp.o from Kernel 2.2.14

5. Specific Chipsets and Their Drivers

• 5.1 Lucent LT
• 5.2 ESS
• 5.3 PCTel
• 5.4 Conexant/Rockwell HSF
• 5.5 Intel (formerly Ambient Technology, formerly Cirrus Logic)
• 5.6 3Com Mini-PCI

6. Troubleshooting

7. FAQ

• 7.1 I have a winmodem. Will it work under Linux?
• 7.2 I get a "device or resource busy" error.
• 7.3 I get unresolved symbols when fixscripting/insmoding.
• 7.4 My PCTel modem doesn't work.
• 7.5 The modem dials and connects fine, but then it drops the connection.
• 7.6 I get a kernel panic on closing the connection or unloading the driver.
• 7.7 Nothing seems to work. To whom can I turn for help?
• 7.8 Who wrote the driver for my winmodem, and how do I contact him/her?

8. Appendix

• 8.1 PCTel Module Parameters: Country Code