Thanks for the info. I also just checked the USR internal modem sa 
Villman site (I assume na yun din ang binibenta sa iba). WinModem s'ya. 
Hindi ko na pag-aaksayahan ng panahon. :) I just thought that it might 
not be a winmodem. Sayang, di hamak na mas mura kasi ang mga internal 
modems, eh.

Rafael R.Sevilla wrote:

>On Tue, Apr 30, 2002 at 05:40:10PM +0800, Andres Montiel wrote:
>
>>Tanong: puwede ba ang US Robotics internal modem sa Linux? Hindi ba ito 
>>magkakaproblema? Di ba ilag ang Linux sa internal modems?
>>
>
>It depends.  There are modems that are *real* modems that contain all of
>the dedicated (and expensive) DSP hardware needed for an actual modem's
>operation.  All external serial modems and a few internal modems (I
>believe this includes some 3Com/USR models) are of this type.  Linux has
>no problem with them.  However, the vast majority of internal modems
>(and many internal modems created by 3Com/US Robotics I suspect) are
>"soft" modems that don't have this circuitry and for the most part
>consist of only a UART and analog to digital and digital to analog
>circuits where your computer's CPU fits in between, doing the DSP work.
>These kinds of modems (which characterize some 99% of all internal
>modems you find in typical computer store) are usually almost completely
>worthless under any operating system not supported by the manufacturer,
>which probably means only Windows.
>
>In short, not all internal modems are worthless with Linux.  The vast
>majority, however, are Winmodems that require non-trivial drivers that
>simply do not exist under other operating systems.  Besides, a typical
>soft modem driver on a 56Kbps/V.90 connection would probably consume
>half the processing power of an old model Pentium II.  Any excessive
>loading on the CPU of a machine with a Winmodem would likely result in a
>significant bandwidth drop, if not a broken connection.
>


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