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Linux ACP Modem (Mwave) mini-HOWTO

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Author: Mike Sullivan
Co-author: Paul Schroeder
Published: 2001
Language: English
Wordcount: 3,139 / 14 pg
Flesch-Kincaid Reading Ease: 59.5
LoC Category: T
Downloads: 1,400
Added to site: 2008.05.10
mnybks.net#: 20834
Origin: www.ibm.com

This document describes how to build, setup, and use the driver and user space application necessary for using the ACP (Mwave) Modem in the IBMThinkpad 600, 600E, and 770 models which include the on board ACP modem hardware. The latest version of this document can always be found at http://www.ibm.com/linux/ltc/

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| +---------------------------------------------------------------------------+

The above command should return the following for serial port 1:

+---------------------------------------------------------------------------+ |/dev/ttyS1, UART: 16550A, Port: 0x2f8, IRQ: 3 | +---------------------------------------------------------------------------+

The port and IRQ numbers should match the information placed in the syslog by the ACP module when it was loaded: kernel: Mwave Modem, UART settings IRQ 0x3 IO 0x2f8

If the information returned by setserial indicates that the UART is 'unknown' or if the IRQ and I/O resources do not match what you have in the syslog, you will need to reconfigure. Check the setserial man pages to learn how to setup the resources on your ttySx to match what appears in the syslog output.

If you have problems running setserial, you may have a resource conflict. Before using insmod mwave, check /proc/ioports and /proc/interrupts to make sure the resources

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